pyromellitic dianhydride

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 pyromellitic dianhydride to AK Scientific, Inc.

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 pyromellitic dianhydride 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 pyromellitic dianhydride to CABB GmbH

Chemos® is a leading supplier of ready to use solutions for the lab and chemical industry. We are producing reagents and standards for the analytical lab and supplying raw materials for the chemical and pharmaceutical industry. The base of our solutions are a portfolio of ~ 200.000 raw materials where ~ 50.000 are already available for R+D ready to order in our shop. We are supplying and producing lab quantities from tiny quantities up to 100 metric tons for worldwide shipping.

We are the specialist when you require complete new raw materials or hard to find products with a dedicated specification. Through our network of custom manufacturing companies and our own customizing capabilities, we could offer raw materials and ready to use solutions as requested. Our extended service portfolio around product supply and documentation like safety data sheet service is a unique combination and our offer to you.

Chemos® Solutions through service is the base of our activities. We are a service provider with manufacturing capabilities. We continue where other will stop since more than 24 years. Take advantage from our experience and contact us.

Chemos® is a registered trademark of Chemos GmbH&Co.KG.

Send an inquiry on pyromellitic dianhydride to Chemos GmbH & Co. KG

Daicel Chemical Industries, Ltd. (Daicel) is a big global chemical manufacturer in Japan. Its consolidated sales is over ,2 billion.

"Solutions For Chiral Processes" is one of our goals in the custom manufacturing area. Chiral column separation services, using our CSP (CHIRALCEL and CHIRALPAK), Biotransformation, Diketene derivatives, and peptide synthesis are examples of our expertise.
Send an inquiry on pyromellitic dianhydride to Daicel Chemical Industries, Ltd.

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 pyromellitic dianhydride to Dayang Chem (Hangzhou) Co.,Ltd.

A manufacturer of organic and inorganic iodine derivatives since 1931, Deepwater Chemicals is back integrated into iodine supply through affiliated companies. Our capabilities include custom synthesis of organic compounds including, but not limited to, iodine derivatives. Deepwater is one of the largest Methyl Iodide producers and supplies small volumes to bulk quantities globally. DWC is a leading producer of TPP-based catalysts used in the Epoxy Resin Coating Industry.
Send an inquiry on pyromellitic dianhydride to Deepwater Chemicals, Inc.

H&Z Industry Co.,Ltd is a large reliable and professional manufacturer of chemical materials and pharmaceutical intermediate. With about 10 years experiences in this field, now we are a capable provider of customized product, and we can provide gram level to ton level of products.

What we can give to customers:
thoughtful services, high-quality products, competitive price,

Looking forward building long-term cooperative relationships with our business partners.

Send an inquiry on pyromellitic dianhydride to H&Z Industry Co.,Ltd

INNOCHEM is an ISO 9001 certified company specialized in the worldwide marketing of chemical specialties for a wide range of industries. From our offices in Belgium, France, Germany, the Netherlands and USA and through our network of contacts in the Far East we are serving our customers with high quality sourcing at competitive prices.
Send an inquiry on pyromellitic dianhydride to INNOCHEM

KHBoddin GmbH the innovative and dynamic partner the future-oriented and global procurement and marketing of important raw materials for our business partners.

Since 1991 business focus is guided by sustainability, passion and measurable success..

We constantly endeavour to offer services beyond the frontiers of conventional business.

Fields of activities in alphabetic order:

• Agro-chemical raw materials


• Animal feed additives


• Basic chemical raw materials


• Chemical raw materials


• Food additives


• Interim products chemical & pharma


• Pet food additives

Over 90% of the company's revenue is generated in business with consumers, also supplied from central warehouses close to the customers and consequently the function of the enterprise for the individual partner has increasingly changed to that of a highly efficient service centre.

Send an inquiry on pyromellitic dianhydride to KHBoddin GmbH

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 pyromellitic dianhydride to Leap Chem Co., Ltd

Lori industry Co., Ltd was established in 2002 years. It is a large-scale manufacturer integrating R&D, produce and sales. Our products mainly cover fine chemicals, organic intermediates, biological buffers, agricultural fertilizers and other chemicals .

Among them, the sales proportion of organic chemicals and agricultural fertilizers is at the forefront of the domestic market. From 2013 to 2022 years, through cooperation with foreign trade companies, customers visitation, Participating in international exhibitions and other forms, the international export volume is increasinga lot day by day.

Based on our equipment and on our quality control we offer custom manufacturing based on secrecy agreements, e Custom research is offered to a certain degree, as well. Please let us have your inquiry.



Send an inquiry on pyromellitic dianhydride to Lori Industry 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 pyromellitic dianhydride 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 pyromellitic dianhydride to Santa Cruz Biotechnology, Inc.

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 pyromellitic dianhydride to Shandong SanYoung Industry Co., Ltd

Your partner in China for chemicals business.
Expertize in supplies and sources of fine, specialty, pharmaceutical chemicals and intermediates.
WE offer high quality products and JIT services with instant market intelligence in China, custom synthesis in our 3 production sites, famous principals as Brenntag, Univar,S inopec, Grace, Petrobras, DKSH, Formitex, Evonik, Merck, TCI, Sanofi, Chemo with creditable reputation and business cooperation.


Send an inquiry on pyromellitic dianhydride to Simagchem Corporation

Founded in 1995, TIANJIN ZHONGXIN CHEMTECH CO.,LTD. (ZX CHEMTECH) has been striving to meet the requirements of customers through an understanding of their individual needs, providing high quality products and value-added services, sourcing for a wide range of chemicals for various clients worldwide. Based on a quick response and strong emphasis on customer satisfaction, with an experienced team of professionals, ZX CHEMTECH has grown quickly to become a one stop solution and service provider for many partners in the world.

Supported by R&D professionals and production bases located in GuangXi, ShangHai, JiangSu and ZheJiang provinces in China, working under an ISO9001 certified management system, ZX CHEMTECH has maintained a steady annual growth and this trend is forecasted to continue in the foreseeable future with the enough confidence coming from the fact that ZX CHEMTECH has become a conglomerate company in:

* Fuel and Refinery Additives
* Polyurethane (PU) Industry and UV Photoinitiators
* Fine and Specialty Chemicals
* Cutsom Synthesis and Pharmaceutical Intermediates

Over the years, a reputation for excellence both as a domestic and global supplier has been established steadily.

In order to offer a world class and high efficient customer service, the overseas offices in South Africa, the United States, Brazil and Russia were established separately since 2002, other concerns are also under the planning. In the meantime, to double-ensure that all products reach our customers in a good fashion and maximum efficiency, some logistics centers at main Chinese ports such as Shanghai, Tianjin, Shenzhen, Guangzhou and Qingdao were set up. ZX CHEMTECH owns the strong basis and support for the stable development.

Now we are confident and proud to say: Working with ZX CHEMTECH, you will save time and money, you will get what you need. For more information on how ZX CHEMTECH 's specialist team can serve you, Please contact freely,Wish to be your reliable partner!
Send an inquiry on pyromellitic dianhydride to Tianjin Zhongxin Chemtech Co., Ltd.

Unilong Industry Co.,Ltd. is a growing high-tech chemical enterprise, and located in Zibo Zhangdian chemical industrial park of Shandong province. Now Unilong company already is a world leading professional manufacturer and distributor for fine chemicals materials.

With the development of society, more and more people pay more attention to environmental health.In recent years, we are engaging to expand new materials field and also set up a researching team, particularly for the fields of nutrition, health/daily care chemical materials.

We sincerely hope our first-class quality, professional service and various products composition will be the strongest backup for all our valuable customers.
Send an inquiry on pyromellitic dianhydride to Unilong Industry Co.,Ltd

Welcome to Equation chemical, your reliable partner in China as an important supplier of bulk specialty chemicals for industry & life science. We are committed to provide experienced high quality product and JIT performance to benefit our customers.
Send an inquiry on pyromellitic dianhydride to Xiamen Equation Chemical Co.,Ltd

Zehao Industry Co., Ltd. (“Zehao”) established in 2010, is a key chemical manufacturer and supplier in China. We are engaged in supply high quality pharmaceuticals and intermediates, food and feed additives, herbal extracts, agrochemicals and fine chemicals etc. We also customize high value-added chemicals and intermediates for the customer.

Send an inquiry on pyromellitic dianhydride to Zehao Industry Co., Ltd.