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6-Amino-4-hydroxynaphthalene-2-sulfonic acid

BGC Id:440543752420
CAS No:90-51-7
Synonyms:yacid ; galmarine(silymarine soluble) ; 7-amino-1-naphthol-3-sulfonicaci ; 2-amino-8-napthol-6-sulfonic acid ; gamma acid ; 2-amino-8-naphthol-6-sulfonic acid ; c.i.developer3 ; 6-amino-4-naphthol-2-sulfonic acid ; aminonaphtholsulfonicacidgamma ; 7-amino-1-naphthol-3-sulfonic acid
Molecular Formula:C10H9NO4S
Molecular Weight:239.25
EINECS:202-000-8
Structural Formula

Verified providers in 2026

The following 5 notable providers have been checked and can be recommended.
Chemical-Suppliers
Win-Win Chemical
Purity : 0.98 Chemical Formula : C10H9NO4S Molecular Weight (g/mol) : 239.25 Delivery time : 5Day(s) Application : For R&D

Chemical-Suppliers
Leap Chem
Molecular Formula: C10H9NO4S Molecular Weight: 239.25 Hazard Symbols: C UN Number: UN 2585 8/PG 3 WGKGermany: 1

The last intensive check and update was carried out on 2026/06/11.

Identify

Synonyms:
yacid ; galmarine(silymarine soluble) ; 7-amino-1-naphthol-3-sulfonicaci ; 2-amino-8-napthol-6-sulfonic acid ; gamma acid ; 2-amino-8-naphthol-6-sulfonic acid ; c.i.developer3 ; 6-amino-4-naphthol-2-sulfonic acid ; aminonaphtholsulfonicacidgamma ; 7-amino-1-naphthol-3-sulfonic acid
CAS:
90-51-7
EINECS:
202-000-8
Molecular Formula:
C10H9NO4S
MDL:
MFCD00003973
SMILES:
C1=CC(=C(C=C1S(=O)(=O)O)N)N

Properties

Molecular Weight:
239.25 g·mol−1
download Download Molfile for :
6-Amino-​4-​hydroxy-2-naphthalenesulfonic Acid

Suppliers

Lori Industry Co., Ltd

Company type: Bulk chemical producer
Lori industry Co., Ltd was established in 2002 years. It is a large-scale manufacturer integrating R&D, produce and sales. Amberlite(R) ira-410 will be also provided by us. 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, ...
Country: P.R.China   Phone: +86-13011713125   Telefax: +86-13011713125

Win-Win Chemical Co., Limited

Company type: Bulk chemical supplier
Country: P.R.China
Phone: +86-577-64498589
Telefax: +86-577-56994596
Established in 2007, Win-Win chemical CO., Ltd was set up by Professor of Zhejiang University, Wenzhou University and Shanghai Science and Technology University which is located in Longwan Industry District, Wenzhou, China. We have high-tech research capability, and advanced production and inspecting equipment. We are especially engaged in customize production of aromatic fluoride compounds, chiral building blocks, and heterocyclic compounds. We are seller of 2'-Chloroacetophenone. We can provide our customers with ...

Xingrui Industry Co., Limited

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. We sell 2,5-di-tert-Butylhydroquinone as well. 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 chemi ...
Company type: Leading producer
Country: P.R.China
Phone: +86-531-88980365
Telefax: +86-531-88980365

Leap Chem Co., Ltd

Company type: 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 ...
Country: P.R.China   Phone: +852-30606658  

BuGuCh & Partners

Company type: Producer
Country: Germany
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 ...

Safety Information

Hazard Classes:
Risk Codes:
34 (R)
Safety Codes:
26-27-28-36/37/39-45 (S)
WGK Germany:
1
RID / ADR:
UN 2585 8 / PG 3
RTECS:
QK1295250

What other providers are available for CAS 90-51-7?

In addition to the providers presented here for 6-Amino-4-hydroxynaphthalene-2-sulfonic acid with the CAS number 90-51-7, there are other 30 providers with slightly different product names available for this CAS number.

Wuhan PharmChem Co., LTD. | Sancai Industry Co.,Ltd. | Shandong Lanhai Industry Co.,Ltd. | Zehao Industry Co., Ltd. | BIOZOL Diagnostica Vertrieb GmbH +6 additional providers that we know from the past
Hangzhou Meite Industry Co., Ltd (Hangzhou Meite Chemical Co., Ltd) | Dayang Chem (Hangzhou) Co.,Ltd. | Shandong SanYoung Industry Co., Ltd | Xiamen Equation Chemical Co.,Ltd | BuGuCh & Partners +8 additional providers that we know from the past
+5 additional providers that we know from the past




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