Chemical-Suppliers
The independent directory of chemicals and chemical suppliers and producers.
BuyersGuideChem
BGC » Chemicals A-Z » 3-Aminophthal hydrazide
pr

3-Aminophthal hydrazide

BGC Id:912235880276
CAS No:521-31-3
Synonyms:
Molecular Formula:C8H7N3O2
Molecular Weight:177.16
EINECS:208-309-4
Structural Formula

Verified providers in 2025

The following 18 notable providers have been checked and can be recommended.
Chemical-Suppliers
Zehao Industry
Appearance Off-white to light yellow powder
Assay(HPLC)% ≥ 98.0
Loss on drying % ≤ 8.0
Chemical-Suppliers
Leap Chem
Molecular Formula: C8H7N3O2 Molecular Weight: 177.16 Hazard Symbols: Xi,Xn WGKGermany: 3 HS Code: 29339990

The last intensive check and update was carried out on 2025/09/17.

Identify

CAS:
521-31-3
EINECS:
208-309-4
Molecular Formula:
C8H7N3O2
MDL:
MFCD00006890

Properties

Molecular Weight:
177.16 g·mol−1
Density:
~1.4 g/cm3 (Predicted)
Melting point:
325-330 °C
Boiling point:
467.05 °C (Predicted)

Suppliers

Suzhou Advshine Biopharm Co Ltd

Тип компании: Producer
We are one research based New & Hi-Tech custom synthesis manufacturer headquartered in Suzhou, China, leaded by three PhD founders in line of Biological Stains, Dyes and Indicators, Diagnostic Reagents, Biochemicals, Pharmaceuticals, Specialty Chemicals. Since its foundation in 1998, we have been offering a wide range of custom manufacturing services from pilot scale process development to commercial scale manufacturing on a partnership basis. SUZHOU ADVSHINE BIOPHARM CO LTD ...
страна: P.R.China   телефон: +86 512 68246939   факс: +86 512 68258994

Senzhuo Industry Co.,Ltd

страна: P.R.China
телефон: +86-15165036020
факс: +86-88902568
Senzhuo Industry Co., Ltd. (“Senzhuo”) established in 2009, 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. Senzhuo industy Co.,Ltd factory located in both Zhangqiu industrial zone and Jiangshu industrial zone. Sales office in Jinan city ...

OPQ Chemical Co., Ltd

OPQ Chemical is a high tech enterprise,located in China Spring city(Jinan).Mainly engages in the development and production of phenolic and quinones,additive agents, dying stuffs, and pesticide intermediates,and also has been involved in other fine chemicals,cosmetic raw materials etc.And actively practices the business philosophy of "MY heart, let you feel more assured". Мы поставщик Dodecyltrimethylammonium chloride. OPQ has international advanced production technology and equipment, the company's marketing network thro ...
Тип компании: Producer
страна: P.R.China
телефон: +86-17615852982

Xi'an Taicheng Chem Co., Ltd

Тип компании: Producer
Xi'an Taicheng Chemco, Ltd is a international company specialized in R&D, Production and Sales in Pharmacetical raw material, nutritional, cosmetic and biochemical products. Xi'an Taicheng Chem Co., Ltd является продавцом Roxithromycin. Founded in 2006, with rapidly development, now we have one herb extracts plant, one chemical plant (synthetci products) and a lab.
страна: P.R.China   телефон: +86-29-85439295   факс: +86-29-85439295

Unilong Industry Co.,Ltd

Тип компании: Bulk chemical producer
страна: P.R.China
телефон: +86-15668417750
факс: +86-531-55690079
Мы поставляем нашу Diphenylacetonitrile химический продукт.

Shandong Ench Chemical Co.,Ltd

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. Мы продаем Magnesium L-threonate также. We manufacture our products in strict accordance with ISO9001: 2000 quality management system during the whole entire ...
Тип компании: Producer
страна: P.R.China
телефон: +86-13869131854
факс: +86 531-8637666

Sancai Industry Co.,Ltd.

Тип компании: Leading producer
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. Мы предоставляем Bisphenyl A bis (diphenyl phosphate) BDP также. We have established the global marketing network, independent research center, testing center, and key ...
страна: P.R.China   телефон: +86-531-88913079   факс: +86-531-88913079

Shandong Minglang Chemical Co., Ltd

Тип компании: Producer
страна: P.R.China
телефон: +86-13220566916
факс: +86 531 58990167
Minglang Chemical is owned by Minglang Group,is a large manufacturer of fine chemicals and cosmetic materials that integrates R&D,production and sales together.It is located in the east of the Nanwang Economic Development District in Linzi,and the west of it is Qilu Petroleum Chemical Group,the east of it is Zijiang Road and the transportation is convenient.The enterprise covers an area of 9,000 square meters and the building area can be 3,200 square meters. (R)-(+)-3-chloro 1-phenyl-1-propanol tributyltin также подан Shandong Minglang Chemical Co., Ltd. In recent years,t ...

H&Z Industry Co.,Ltd

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. Мы поставляем нашу Phenethyl chloride химический продукт.
страна: P.R.China
телефон: +86 13583185792
факс: +86 531 88905468

Lori Industry Co., Ltd

Тип компании: Bulk chemical producer
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 . Lori Industry Co., Ltd является продавцом L-Sulforaphene. 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, ...
страна: P.R.China   телефон: +86-13011713125   факс: +86-13011713125

Zehao Industry Co., Ltd.

страна: P.R.China
телефон: +86-531-88909322
факс: +86-531-88909322
The Shepherd Chemical Company was founded in Norwood, Ohio, in 1916. We are a fourth-generation company and a custom manufacturer of Inorganic Metal Salts and Organic Metal Compounds to the global marketplace. Мы продавцом 2,3,6-Trimethylquinoxaline. Our long-standing success is built upon technical expertise, supplier reliability, and customer relationships. Our goal is to supply the marketplace with high quality metal compounds as standard or customized products. Our capabilities are comprised of our manufacturi ...

Nantong Xindao Biotech Ltd

XINDAO is a world leading biochemical company formed by a professional team.The company specializes in the production, development and sales of animal health, crop science, nutrition and health care, skin care raw materials, fine chemicals and other products. Nantong Xindao Biotech Ltd также предлагает Benzoic acid. At present, more than 300 kinds of products can be mass produced, which are widely used in chemical industry, health, agriculture, animal husbandry, biochemical research and other high-end fields. XINDAO pays attention ...
Тип компании: Leading producer
страна: P.R.China
телефон: +86 19033786557

Capot Chemical Co., Ltd.

Тип компании: Leading producer
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. 5-Bromo-2-(difluoromethoxy)benzoic acid methyl ester также будут предоставлены нами. We are certified to the ISO 9001:2000 Standards, have a safety management syste ...
страна: P.R.China   телефон: +86-571-85586718   факс: +86-571-85864795

Shandong SanYoung Industry Co., Ltd

страна: P.R.China
телефон: +86 155-64526813
факс: +86 531-56897532
Shandong SanYoung Industry Co., Ltd is a scientific and technological company specializing in research and development, cooperative production and sales of chemical products. Мы поставляем нашу 3-Isochromanone химический продукт. 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, ...

Skyrun Industrial 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. Skyrun Industrial Co., Ltd. является продавцом (-)-bis-((S)-1-(ethoxycarbonyl)ethyl) fumarate. Our working range can be start from small amount in research stage to big bulk for industrial produc ...
Тип компании: Leading producer
страна: P.R.China
телефон: +86-576-84015261
факс: +86-576-84015261

Leap Chem Co., Ltd

Тип компании: Bulk and laboratory supplier
LEAPChem, a specialized fine chemicals supplier for research, development and production. LEAPChem provides nearly 50,000 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 pharmac ...
страна: P.R.China   телефон: +852-30606658  

BIOZOL Diagnostica Vertrieb GmbH

Тип компании: Supplier of chemical products
страна: Germany
телефон: +49-871-966346-0
факс: +49-871-966346-13
Chemos®, a subsidiary of BIOZOL Diagnostica Vertrieb GmbH, 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. Мы поставляем нашу 4-Methyl-DL-tryptophan химический продукт. 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 qua ...

BuGuCh & Partners

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 chemi ...
Тип компании: Producer
страна: Germany

What other providers are available for CAS 521-31-3?

In addition to the providers presented here for 3-Aminophthal hydrazide with the CAS number 521-31-3, there are other 66 providers with slightly different product names available for this CAS number.

VUOS - Vyzkumny ustav organickych syntez a.s. | Alchimica s.r.o. | Wuhan PharmChem Co., LTD. | Xi'an Taicheng Chem Co., Ltd | Shandong Lanhai Industry Co.,Ltd. | Xingrui Industry Co., Limited | Hangzhou Zhongqi Chem Co., Ltd | Nantong Xindao Biotech Ltd | Hangzhou Lingrui Chemical Co., Ltd. | AK Scientific, Inc. +28 additional providers that we know from the past
VUOS - Vyzkumny ustav organickych syntez a.s. | Hangzhou Meite Industry Co., Ltd (Hangzhou Meite Chemical Co., Ltd) +5 additional providers that we know from the past
Hangzhou Zhongqi Chem Co., Ltd | Hangzhou Trylead Chemical Technology Co., Ltd. | BLD Pharmatech Ltd +13 additional providers that we know from the past
+3 additional providers that we know from the past




Chemical-Suppliers
© Copyright 1996 to 2025 by Netvertise GmbH. All rights reserved. Reproduction of any materials from the site is strictly forbidden without permission.