4,4'-oxydiphthalic anhydride

Xiamen Aeco Chemical Industrial Co., Ltd(Short as Aecochem)

An ISO 9001:2015 Certified Company
Your Partner in China, a Professional chemical raw material supplier, our main products including the Epxoy Chemical ,Petro Chemical,Pharma Intermediate,Fine Chemicas and Life Science etc.

We consists a team of professional analytical department,complete QC&QA under strict SOPs, experienced sale and after-sale service, efficient logistic support, one-stop service is our great advantage, to benefit for our clients, like BASF, CHEMO, Brenntag, ASR ,Evonik, Merck and etc.

High Quality is Guaranteed
Large-capacity Production to Help You Control Costs

We,Aecochem always be there for you.

Vision: Become a professional Chemical Supplier!
Mission: Create value for customers through Providing products and services!

For more information, contact our English-speaking representatives today.

Send an inquiry on 4,4'-oxydiphthalic anhydride to Aecochem Corp.

AK Scientific provides fine chemicals and advanced intermediates to our customers worldwide. Currently, we have over 16.000 in stock, ready to ship products, at our California warehouse and this number is increasing weekly. All these products are stocked in multiple, convenient, sizes to fit your specific needs. Purchases are shipped on the same day your order is placed (before 4PM, Pacific Time) to ensure on-time delivery.
AK Scientific products can be searched by Name (or partial name, keyword), Catalog, CAS, and MFCD# on the website. Our website is updated frequently to add new products and to incorporate customer feedback.

Aside from product packaging and pricing, the AK Scientific website provides additional information, such as physical properties and safety advice.

We are committed to keeping all our products in stock for immediate delivery.

Bulk Products

The majority of our products are available in bulk quantities. Inquiries for larger amounts are always welcome.

On time delivery, Competitive prices, Guaranteed quality, Real-time project communication.

Send an inquiry on 4,4'-oxydiphthalic anhydride to AK Scientific, Inc.

Founded in 2011, Amadis Chemical Company Limited is an innovative manufacturer of chemical products and technical service providers. Our business includes sales, manufacture, and service covering building block, key intermediate and API, especially for the service of process development, pilot scale and manufacture with high quality.
Our core products include: Carbohydrates, Nucleosides, Nucleotides, Phosphoramidites,APIS and Pharmaceutical intermediates.
We obtained the certification of ISO9001:2008 (international quality management system certification). With strict internal management, we can provide high quality product, which are exported to the United States, Europe and Japan, etc.
We have excellent talents with rich experience in the areas of research, production and quality control. Meanwhile, the company has advanced equipments to help to deliver high quality production and service.
We also have a number of sales with rich experience in international trade , who can provide good customer experiences.In order to ensure the quality of products, a comprehensive testing and analysis will be provided to our customers.
We will provide our customers with first-class products and services by strengthening internal management and expanding the business market.


Send an inquiry on 4,4'-oxydiphthalic anhydride to Amadis Chemical Company Limited

Our company BECKMANN-KENKO GmbH is a joint venture between Beckmann Chemikalien KG in Germany founded in 1977 and Kenko Corporation in Japan founded in 1965.
We are a young and ambitious import/export company. Acting independently and on behalf of a selected number of internationally renowned principals, we resource and market speciality chemicals. Located in Bassum, Germany we also have our own office in Shanghai, China and warehouse facilities of 3000 square meters within the port of Bremen - which include the permission to store all kinds of dangerous goods - as well as rented warehouse facilities in New Jersey/USA and Shanghai/China. This gives us a strong qualification for supply just in time.
BECKMANN-KENKO GmbH earned its respect in speciality chemical trade by treating the customers' inquiries / requirements confidential and unique. Our company established the basis to tailor our worldwide sourcing and marketing strength to our partners' needs and collaborate with them to come up to convincing solutions. We cooperate with a number of research institutes and different universities. With these strong supports we have commercialized series of fine and specialty chemicals according to our customers’ requirements.
We can offer chemicals for various fields of application:
- Plastic Additives
- Antioxidants
- Catalysts
- Solvents
- Food Additives and ingredients
- Pharmaceuticals and Intermediates
- Colours, dyes and intermediates
- Agrochemicals
- Cosmecticals
- Flavours and fragrances
You are welcome to have a look at our catalogue of fine specialty chemicals and if you have any special demands please feel free to contact us.

Send an inquiry on 4,4'-oxydiphthalic anhydride to Beckmann-Kenko GmbH

We, BuGuCh & Partners, are an international acting and innovative company, leading in developing and manufacturing.

We operates major facilities in North America, Europe and the Pacific Rim, as well as facilities in China, Japan and Saudi Arabia operated through joint ventures.

We maintain independently or are partners of some production sites in Europe, Asia and South America. Our global network is a strength.

Our products range from natural gas, oil and basic chemical products through innovative intermediates to specialties, high value-added chemicals, crop protection products and pharmaceuticals.

Send an inquiry on 4,4'-oxydiphthalic anhydride to BuGuCh & Partners

CABB Group is a leading fine chemical custom manufacturer of starting materials, advanced intermediates and active ingredients. With approximately 1,100 employees and six production sites in Europe, Asia and the USA, we generate annual sales of about half a billion euros. The company is headquartered in Sulzbach am Taunus, Germany. CABB is a highly dedicated supplier and strategic partner to leading companies in the agrochemical, electronics and healthcare sectors; one of the world’s leading providers of high-purity monochloroacetic acid; and a producer of fine chemical intermediates for customers throughout the industry.

CABB’s portfolio of fine chemicals leverages our core competence in custom manufacturing. These products find use in a variety of complex synthesis and formulation projects. Customers rely upon our exacting specifications for multiple downstream applications.

All products are available on a made-to-order or made-to-demand basis, combining our manufacturing expertise with those of our collaborative sourcing partners. Customers are welcome to provide forecasts and delivery schedules for an easy buying experience. Purchasing options include:

• Specifications matched to your particular process
• Packaging customized to your batch size and manufacturing environment
• Logistics services for delivery to any global location


Send an inquiry on 4,4'-oxydiphthalic anhydride to CABB GmbH

Welcome to Capotchem
• Established in 1996 ,Capot Chemical Co.,Ltd is a fine organics manufacturing facility which located in Hangzhou,P.R.China. We produce a wide range of organics, especially fluorine, boronic acids, amino acids, unnatural amino acids, peptide, cross linkers, organocatalysts, chiral building blocks, heterocyclic compounds and other active pharmaceutical ingredients compounds. We are certified to the ISO 9001:2000 Standards, have a safety management system in place, and adhere to the responsible care programme. Capotchem has established a global network of thousands of customers from many research centers, Pharmaceutical companys and chemical factorys in the USA,Europe,Japan...

• We have a lot of superexcellence Professionals who have got immense experience in similar line manage both manufacturing and quality control, have excellent production equipment and the best quality of control laboratory to verify the final product.Capotchem offers building blocks, and research chemicals that are optimized for drug discovery using chemic informatics-based design, We have the ability to provide a few grams of product or a few kilograms, even hundreds of kilograms of the products. In addition,We also provide custom synthesis outsourcing, in-house custom chemistry, and proprietary design services.

• Our credo is committed to the adoption of different products, reliable quality, competitive prices and quality service to create value for customers.

Send an inquiry on 4,4'-oxydiphthalic anhydride to Capot Chemical Co., Ltd.

Carbone scientific is located in London, UK. We are mainly engaged in the marketing development, R&D, technical support and service. Carbone scientific provides fine chemicals, pharmaceutical intermediates, and active pharmaceutical ingredients to the global marketplaces. Our aim is to make those most popular products available to these pharmaceutical and biotech companies, research organizations and university labs worldwide.

Our online catalogue has already listed over 50,000 products and over 15000 products in stock. Any customers could be easily to select any products from our online catalogue for creating purchase orders. The very competitive price and lead time information are available for you after you register at our web site
Send an inquiry on 4,4'-oxydiphthalic anhydride to Carbone Scientific Co., Ltd.

Chriskev distributes a ful line of high quality dianhydrides and diamines and other specialty monomers.
Send an inquiry on 4,4'-oxydiphthalic anhydride to Chriskev Company, Inc.

Dayang Chem (Hangzhou) Co.,Ltd. is a comprehensive entity which specializes in development, production and trade of pharmaceutical, agrochemical and dyestuff intermediates as well as some special type reagents. We have an own factory and share enterprises. We act also as agent of many chemical factories and promote their products to the international market at very competitive price.
We take "Credi first, Clients supreme" as our aim. We expect to cooperate with more partners in the world by providing superior quality chemicals and best service.

Send an inquiry on 4,4'-oxydiphthalic anhydride to Dayang Chem (Hangzhou) Co.,Ltd.

[February 12, 2020 - Evonik acquired Wilshire Technologies Inc.]

WILSHIRE TECHNOLOGIES, Inc., is a leader in innovative process chemistry and development, producing value-added reactants, reagents and intermediates at significant cost-savings to our customers. We offer the chemical community a broad range of organic chemicals -- each backed by extensive technical information and service support - as well as custom syntheses -- kilogram to tons -- tailored to our clients' specific needs.


Send an inquiry on 4,4'-oxydiphthalic anhydride to Evonik ( formerly Wilshire Technologies, Inc. )

Established in 2010, located in Hangzhou Qinglan science park, lingruichem is a technical company mainly focus on the Custom synthesis, manufacturing, sales of chemicals to various industries. In our R&D centre, we have a staff of skilled and experienced research chemists. This has enabled us to meet the special requirements of our customers and it has enabled us to provide quality products at competitive prices.
Lingrui’s credo is committed to your reliable business partner, reliable quality, competitive prices and superior service, If you are interested in any of our products or would like to discuss a custom order, please feel free to contact us. We are looking forward to forming successful business relationships with new clients around the world in the near future !

Send an inquiry on 4,4'-oxydiphthalic anhydride to Hangzhou Lingrui Chemical Co., Ltd.

Hangzhou Meite Industry Co., Ltd. is an international high-tech enterprise founded in 1998, specialized in R&D and manufacture on intermediates, medicines, agrochemical, dyestuff, flavor, fragrance, cosmetic, natural extracts series products.

We have an efficient R&D centre, get a strong technical support from Zhejiang University of Technology and Institute of Chemistry, Wuhan Branch, Chinese Academy of Sciences. Our factory Hangzhou Meite Chemical Co.,Ltd. is located in Fine Chemical Industrial Zone of Shangyu Hangzhou Gulf. In 2009, we established another factory at the industrial park in Tian Town, Wuxue city, Hubei province.

Considering our long-term development, we are always making innovations on technology, management, system and culture, keeping innovation on product mix adjustment is ever committed by all staff of Meite, we can research and synthesize many especial products according to customer requirement, providing the best product, considerate service and fast shipment is our aim , "Quality first, Credit first, Customer first" is the tenet by all staff of Meite !

We appreciate and cherish every chance to cooperate with you and your company !

Send an inquiry on 4,4'-oxydiphthalic anhydride to Hangzhou Meite Industry Co., Ltd (Hangzhou Meite Chemical Co., Ltd)

Hangzhou Verychem Science And Technology Co. Ltd. is a technology based company located in the city of Hangzhou, combined with and technologically directed by Zhejiang Industry University and Shengyang Pharmaceutical College. Though Verychem is a young company, but it's a booming company with dynamic vigor and prosperous prospect. Verychem develops and manufactures latest pharmaceuticals, special fine chemicals and some of the developed projects have been technologically transferred to cooperated plants, forming one-up production scales.

Credit First, Quality First and Customer First is its forever motto. Verychem persons are willing to service for and make friends with everyone from the world, and here sincerely wish the world become more peaceful, with more health, and better.
Send an inquiry on 4,4'-oxydiphthalic anhydride to Hangzhou Verychem Science & Technology Co., Ltd.

LEAPChem, a specialized fine chemicals supplier for research, development and production.
LEAPChem provides nearly 5,000 rare and innovative chemical products to support the evolving needs of our customers in research & bulk manufacturing activities.
As a highly customer-oriented enterprise, we are committed to providing high-quality customer services and products to our global customers in a cost-effective and efficient manner.
Our client list includes many major pharmaceutical and science companies, universities, research institutions and chemical catalogue companies.
Methodology: Sound and Stable;Active and Innovative.
Attitude: Conscientious; Ingenious.
Goals: Customer’s Satisfaction
We regard client’s success as our success.
At LEAPChem we strive to be the preferred supplier for efficiency increasing and cost lowering in your Research&Production.
To achieve this strategic vision, we always push ourself to exceed our customer's requirement. By focusing 'Beyond Your Expectation' we continually expand our product line, enhance our systematic management and human resources.
Welcome to contact us and we look forward to becoming your preferred partner.


Send an inquiry on 4,4'-oxydiphthalic anhydride to Leap Chem Co., Ltd

Refine Chemical Co.,Ltd. is a manufacturer and exporter for chemical material. We have diversified activities in R&D, application development, production, sales and also trading. Our factory was established in September of year 2000 with total area 150,000 square meters, we specialize in the business of organic intermediate, daily chemical, chemical additive, and fine chemicals. Our company has passed ISO9001, ISO14001 quality and environmental management system certification.

With the increasing of export business, our exporting company was established in the year of 2015. In the past 7 years since its establishment, we have won many high-quality customers ranked high in the industry with high-quality products, first-class services and most competitive prices. Our products are exported to Japan, South Korea, Europe, the United States, South America, Southeast Asian countries, and have been highly praised by customers.

We also have an international procurement team to engage in procurement of chemical engineering materials in China for international companies. Based on our considerate service and strict quality management procedure, we have assisted many foreign large-scale companies in completing the procurement of various chemical engineering products, and got high evaluation.

We will be always committed to becoming the best choice for customers in chemical industry
Send an inquiry on 4,4'-oxydiphthalic anhydride to Refine Chemical Co.,Ltd.

Sancai Industry is involved in supplying of fine chemicals, food and nutrition,personal care, medical intermediate etc, We can also customize chemicals for our customers.Taking advantage of innovative technology and excellent talents and through over 15 years of development,We have stabled good relation with clients in and abroad.

In order to be competitive on the market. We have established the global marketing network, independent research center, testing center, and key product manufacturing plant. Our plants all produce the products in strict accordance with ISO9001: 2000 quality management syste. Best quality product is the root of our survival.

We take “Honesty,Unity,Innovation,Progressive”as our business spirits.“Reliable quality and excellent service” is our commitment to every customer, We are always dedicated to provide customers with what they need reliable products and quality services. “Win-win cooperation”is our goal to get with our clients. We insist on taking “SC” as a brand for the chemical leader.
Send an inquiry on 4,4'-oxydiphthalic anhydride to Sancai Industry Co.,Ltd.

Santa Cruz Biotechnology, Inc. now offers over 140,000 specialty biochemicals under our ChemCruz™ brand.

Santa Cruz Biotechnology, Inc. is focused on the ongoing development of research reagents. It is our goal to continue to offer the broadest range of reagents in the field. We also provide superior, innovative primary antibodies and support products.


Send an inquiry on 4,4'-oxydiphthalic anhydride to Santa Cruz Biotechnology, Inc.

Shandong Ench Chemical Co.Ltd is a professional manufacturers and supplier in the world ,the main product include chemical pharmaceuticals and intermediates, food and feed additives, herbal extracts, agrochemicals and fine chemicals etc.
It is a privet-owned enterprise and located in Zhangqiu industrial park, We believe that quality is the life of our company. We manufacture our products in strict accordance with ISO9001: 2000 quality management system during the whole entire production process.
With great efforts and hard work all over the years, we have now become a quite influential company in China's chemical supplier, we have built a perfect sale service system, products are exported to Europe, North and South America, the Middle East and Asia Pacific and other five continents and scale the forefront in the nation, won good international reputation.
Send an inquiry on 4,4'-oxydiphthalic anhydride to Shandong Ench Chemical Co.,Ltd

Shandong SanYoung Industry Co., Ltd is a scientific and technological company specializing in research and development, cooperative production and sales of chemical products. The company's main products include: photoinitiator; light stabilizer; polymer retardant; ultraviolet absorbent; fine chemical products and pharmaceutical intermediates, we can also customize chemicals for our customers. Our company has a large number of customers with good reputation at home and abroad, and maintains good cooperative relations with them. The company's market includes the United States, European Union countries, Japan, South Korea, India, Thailand, Canada and other countries.
Welcome to your inquiry. Hope to have chance to give you our best support.

Send an inquiry on 4,4'-oxydiphthalic anhydride to Shandong SanYoung Industry Co., Ltd

Shandong Xingshun New Material Co., Ltd. was founded in 1996. It is a chemical enterprise which adopts technology innovation as the driving force with service globalization. The company is committed to the development of fine chemicals and pharmaceutical intermediates, with the scaled experimental base and all kinds of chemical experiment equipment. The company has 120 employees. The company implements modern management system, also gets ISO9001:2008 Quality Managements System Certification and ISO14001:2004 Environment System Certification, provides customers good products and services.

The company is committed to research, develop, produce and sale fine chemicals and pharmaceutical intermediates. The company is the leading producer of 1-Chloromethyl Naphthalene in China, with main products of N-Methyl-1-naphthalenemethyl amine, 6-Bromo-2-naphthoic acid, 4-Bromophthalic anhydride, Chloromethyl styrene(VBC) and VBC derived products, such as (N,N-Dimethylaminomethyl)styrene, 4-vinylbenzylglycidy ether, Trimethyl(vinylbenzyl)ammonium chloride, etc.. The company has a professional production, strict quality management and inspection system, complete daily sewage treatment facility which capacity reaches 3000 tons per day. The products meets requirement of high-end international market, exported to the United States, Japan, Europe, South Korea, Taiwan, etc.

The company follows the people-oriented belief as foundation and integrity management as guidance, replying on high quality, reasonable price and excellent service, to create a better tomorrow together with customers!


The company follows the people-oriented belief as foundation and integrity management as guidance, replying on high quality, reasonable price and excellent service, to create a better tomorrow together with customers!

Send an inquiry on 4,4'-oxydiphthalic anhydride to Shandong Xingshun New Material Co., Ltd.

Skyrun Industrial Co.Limited, established in 2003, a state-controlled company (By Skyrun Corp. & High Hope) in China, specializing in developing, producing and handing raw pharmaceutical material and intermediates. We have expanded a compositive entity from initially only as a small manufacturer. We have extensive knowledge of domestic and international pharmaceutical markets. Our working range can be start from small amount in research stage to big bulk for industrial production.
Send an inquiry on 4,4'-oxydiphthalic anhydride to Skyrun Industrial Co., Ltd.

SYNTHON Chemicals is a producer and distributor of fine chemicals and specialities. With 1600 square meters of laboratories, warehouses and offices SYNTHON supplies the industry with organic intermediates and final products in quantities from a few grams up to several hundred kilograms.

A highly skilled team of chemists and technicians is able to develop multi-step procedures from laboratory to pilot plant scale.

Send an inquiry on 4,4'-oxydiphthalic anhydride to Synthon-Chemicals GmbH & Co. KG

Hisunny Chemical is a leading manufacturer and supplier of chemicals in China. We develop producing and selling high quality intermediates, Fine chemicals and Specialty Chemicals.

We could give you:

1.Best quality in your requirement
2.Competitive price in China market
3.mature Technical support
4.Professional logistic support

All we want is win-win business. Send yr. inquiries, you will get it!


Send an inquiry on 4,4'-oxydiphthalic anhydride to Xiamen Hisunny Chemical Co., Ltd.

Xingrui Industry CO., LTD. is a professional manufacturing enterprise integrating R&D, production and sales. The products involved fine chemicals, pharmaceutical intermediates, dye intermediates, cosmetic raw materials and so on. The company is ranked among the outstanding producers in the fine chemical industry.

Xingrui Industry always strive to be the most reliable partner of our customers, and strive to build a customer-trusted, socially respected, world-class fine chemical production enterprise!

Xingrui Industry, trustworthy! Look forward to working with you hand in hand to create brilliant!
Send an inquiry on 4,4'-oxydiphthalic anhydride to Xingrui Industry Co., Limited