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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

tipologia di azienda: 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 ...
Nazione: P.R.China   telefono: +86 512 68246939   Fax: +86 512 68258994

Senzhuo Industry Co.,Ltd

Nazione: P.R.China
telefono: +86-15165036020
Fax: +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". Siamo fornitore di Dodecyltrimethylammonium chloride. OPQ has international advanced production technology and equipment, the company's marketing network thro ...
tipologia di azienda: Producer
Nazione: P.R.China
telefono: +86-17615852982

Xi'an Taicheng Chem Co., Ltd

tipologia di azienda: 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 è un venditore di Roxithromycin. Founded in 2006, with rapidly development, now we have one herb extracts plant, one chemical plant (synthetci products) and a lab.
Nazione: P.R.China   telefono: +86-29-85439295   Fax: +86-29-85439295

Unilong Industry Co.,Ltd

tipologia di azienda: Bulk chemical producer
Nazione: P.R.China
telefono: +86-15668417750
Fax: +86-531-55690079
Forniamo il nostro prodotto chimico Diphenylacetonitrile.

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. Vendiamo Magnesium L-threonate pure. We manufacture our products in strict accordance with ISO9001: 2000 quality management system during the whole entire ...
tipologia di azienda: Producer
Nazione: P.R.China
telefono: +86-13869131854
Fax: +86 531-8637666

Sancai Industry Co.,Ltd.

tipologia di azienda: 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. Forniamo Bisphenyl A bis (diphenyl phosphate) BDP pure. We have established the global marketing network, independent research center, testing center, and key ...
Nazione: P.R.China   telefono: +86-531-88913079   Fax: +86-531-88913079

Shandong Minglang Chemical Co., Ltd

tipologia di azienda: Producer
Nazione: P.R.China
telefono: +86-13220566916
Fax: +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 è anche servita da 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. Forniamo il nostro prodotto chimico Phenethyl chloride.
Nazione: P.R.China
telefono: +86 13583185792
Fax: +86 531 88905468

Lori Industry Co., Ltd

tipologia di azienda: 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 è un venditore di 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, ...
Nazione: P.R.China   telefono: +86-13011713125   Fax: +86-13011713125

Zehao Industry Co., Ltd.

Nazione: P.R.China
telefono: +86-531-88909322
Fax: +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. Siamo venditore di 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 offre anche 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 ...
tipologia di azienda: Leading producer
Nazione: P.R.China
telefono: +86 19033786557

Capot Chemical Co., Ltd.

tipologia di azienda: 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 sarà fornito anche da noi. We are certified to the ISO 9001:2000 Standards, have a safety management syste ...
Nazione: P.R.China   telefono: +86-571-85586718   Fax: +86-571-85864795

Shandong SanYoung Industry Co., Ltd

Nazione: P.R.China
telefono: +86 155-64526813
Fax: +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. Forniamo il nostro prodotto chimico 3-Isochromanone. 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. è un venditore di (-)-bis-((S)-1-(ethoxycarbonyl)ethyl) fumarate. Our working range can be start from small amount in research stage to big bulk for industrial produc ...
tipologia di azienda: Leading producer
Nazione: P.R.China
telefono: +86-576-84015261
Fax: +86-576-84015261

Leap Chem Co., Ltd

tipologia di azienda: 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 ...
Nazione: P.R.China   telefono: +852-30606658  

BIOZOL Diagnostica Vertrieb GmbH

tipologia di azienda: Supplier of chemical products
Nazione: Germany
telefono: +49-871-966346-0
Fax: +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. Forniamo il nostro prodotto chimico 4-Methyl-DL-tryptophan. 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 ...
tipologia di azienda: Producer
Nazione: 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




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