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BGC » Chemicals A-Z » Pyridine-3-sulfonic acid
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Pyridine-3-sulfonic acid

BGC Id:730223549367
CAS No:636-73-7
Synonyms:3-pyridinesulfonic acid ; -pyridinesulfonic acid ; 3-pyridinesulfonic ; pyridinesulfonic aci ; beta-sulfopyridine ; 3-pyridylsulphonicacid ; pyridine-3-sulfonic acid ; 3-sulfopyridine ; 3-pyridylsulfonicacid ; 3-pyridinesulphonic acid
Molecular Formula:C5H5NO3S
Molecular Weight:159.16
EINECS:211-265-9
Structural Formula

The most competitive supplier in 2026

The following 12 notable providers have been checked and can be recommended.
Chemical-Suppliers
Molekula
Molecular Weight : 159.16 Formula : C5H5NO3S HS Code : 2933399990 Categories : Building Blocks,Organics,Pyridines
Chemical-Suppliers
BLD Pharmatech
Smile code: O=S(C1=CC=CN=C1)(O)=O MDL Number: MFCD00006381 Purity : 97% Available in stock: 4435 g

The last intensive check and update was carried out on 2026/04/12.

Identify

Synonyms:
3-pyridinesulfonic acid ; -pyridinesulfonic acid ; 3-pyridinesulfonic ; pyridinesulfonic aci ; beta-sulfopyridine ; 3-pyridylsulphonicacid ; pyridine-3-sulfonic acid ; 3-sulfopyridine ; 3-pyridylsulfonicacid ; 3-pyridinesulphonic acid
CAS:
636-73-7
EINECS:
211-265-9
Molecular Formula:
C5H5NO3S
MDL:
MFCD00006381

Properties

Molecular Weight:
159.16 g·mol−1
Melting point:
>300 °C(lit.)

Suppliers

Alcatraz Chemicals

Company type: Leading producer
Alcatraz Chemicals was established at Vadodara , India in 1985 .We are an ISO 9001:2008 & 14001 : 2004 certified company and are following it's stringent quality management system with great emphasis on environment protection by ensuring that we have high yield in our process reactions with minimal waste generation and maximum recycling of resources . Our core strength in manufacturing is the field of Sulfonations and production of Mono , Di and Tri Sulfonic Acids . We have t ...
Country: India   Phone: +91 7433813484   Telefax: +91 265 2353920

IBIS Chemie International

Company type: Leading producer
Country: India
Phone: +91 22-22001993
Telefax: +91 22-22088450
Maker and exporter since 1982 from India of API's,pharmaceutical intermediates and pigment intermediates. Most of our items have enduse in pharmaceuticals,API's,flavour/fragrance enduse,textiles, etc. For over 34 yrs, Ibis has been building our reputation as a leading maker and exporter of chemicals from India. The cornerstone of our reputation is integrity. We provide 4-Chloro-o-phenylenediamine as well. Our integrity is our greatest strength. It is our balance sheet, it defines us to ourselves, our customers and to t ...

Simagchem Corporation

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. Simagchem Corporation also offers Eptaplatin.
Company type: Bulk chemical producer
Country: P.R.China
Phone: +86 592 2680 277
Telefax: +86 592 2680 237

Xiamen Hisunny Chemical Co., Ltd.

Company type: Leading producer
Hisunny Chemical is a leading manufacturer and supplier of chemicals in China. We provide Ethoxycarbonyl acetyl chloride as well. 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!
Country: P.R.China   Phone: +86-592-3327115   Telefax: +86-592-5823596

Sancai Industry Co.,Ltd.

Company type: Leading producer
Country: P.R.China
Phone: +86-531-88913079
Telefax: +86-531-88913079
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 ...

Hangzhou Zhongqi Chem Co., Ltd

Located in Hangzhou National Hi-Tech Industrial Development Zone, zhongqichem is a technical company mainly focus on the Custom synthesis, manufacturing, sales of chemicals to various industries. Additionally 2',3,5-Trifluoro-4''-propyl-[1,1':4',1''-terphenyl]-4-ol is supplied by us. Our advantage : 1.We do not simply provide chemicals , we provide chemical solutions and expertise; 2.We have trained, highly effective team to solve the problem at the first time; 3.Our QMS (quality management system) ensures the product quality strictly; 4.Strong research and deve ...
Company type: Leading producer
Country: P.R.China
Phone: +86-571-86976032
Telefax: +86-571-86972162

Shandong SanYoung Industry 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. We sell Pyrene as well. Our company has a large number of customers with good reputation at home and abroad, ...
Country: P.R.China   Phone: +86 155-64526813   Telefax: +86 531-56897532

Xiamen Equation Chemical Co.,Ltd

Company type: Bulk chemical producer
Country: P.R.China
Phone: +86 592 6515854
Telefax: +86 592 6515854
Welcome to Equation chemical, your reliable partner in China as an important supplier of bulk specialty chemicals for industry & life science. We are supplier of Abarelix acetate. We are committed to provide experienced high quality product and JIT performance to benefit our customers.

Molekula GmbH

Molekula supplies speciality chemicals and biochemicals to the fine chemical, research and diagnostic community. Our core competence is in the area of heterocycles for combinatorial chemistry, small building blocks for discovery and large scale synthesis for pilot teams and production. In the field of biochemicals, Molekula is a major supplier of key reabents used in the area of diagnostics, microbiology and biotechnology.
Company type: Trading company
Country: Germany
Phone: +49 (0) 89 360 900 900
Telefax: +49 (0) 89 360 900 901

BLD Pharmatech Ltd

Company type: Supplier
Founded in 2014 and headquartered in Shanghai, China, BLD Pharmatech Ltd. with more than 600,000 items, scale up manufacture and custom services is a leading manufacturer and supplier of diversified research chemicals in the industry. BLD Pharmatech Ltd is a seller of 9-((3aR,4S,6R,6aR)-6-(Aminomethyl)-2,2-dimethyl-tetrahydrofuro[3,4-d][1,3]dioxol-4-yl)-9H-purin-6-amine. Our considerable stock of a wide range of laboratory chemicals, from heterocycles, boron acids, amino acids, metal catalysts to chiral compounds, is ready for worldwide shipping. The ISO certifications and DUNS registration are our testimonie ...
Country: P.R.China   Phone: +86-21-61629022   Telefax: +86-21-50201702

BIOZOL Diagnostica Vertrieb GmbH

Company type: Supplier of chemical products
Country: Germany
Phone: +49-871-966346-0
Telefax: +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. 4-Formyl-3-methylphenylboronic acid will be also provided by us. 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 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 ...
Company type: Producer
Country: Germany

Safety Information

Hazard Classes:
8
Risk Codes:
34-22 (R)
Safety Codes:
26-36/37/39-45-27 (S)
WGK Germany:
3
RID / ADR:
UN 2585 8 / PG 3
RTECS:
UT7920000

What other providers are available for CAS 636-73-7?

In addition to the providers presented here for Pyridine-3-sulfonic acid with the CAS number 636-73-7, there are other 46 providers with slightly different product names available for this CAS number.

Wuhan PharmChem Co., LTD. | Hangzhou Meite Industry Co., Ltd (Hangzhou Meite Chemical Co., Ltd) | Finetech Industry Limited | Dayang Chem (Hangzhou) Co.,Ltd. | Nantong Xindao Biotech Ltd | Capot Chemical Co., Ltd. | Hangzhou Lingrui Chemical Co., Ltd. | Xingrui Industry Co., Limited | AK Scientific, Inc. | Leap Chem Co., Ltd | BuGuCh & Partners +34 additional providers that we know from the past
+1 additional providers that we know from the past




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