BGC » Chemicals A-Z » Coumarin-6-sulfonyl chloride

Identify Suppliers 2026 Properties Safty ☰

Identify Suppliers 2026 Properties Safty

Coumarin-6-sulfonyl chloride

BGC Id:	432359802345
CAS No:	10543-42-7
Synonyms:	2-oxo-2h-1-benzopyran-6-sulfonyl chloride, 6-cs-cl ; cbi-bb zero/008202 ; 2-oxo-2h-chromene-6-sulfonyl chloride ; timtec-bb sbb002796 ; coumarin-6-sulphonyl chloride ; 2-oxo-2h-chromene-6-sulphonyl chloride ; coumarin-6-sulfonyl chloride ; 6-cs-cl ; 2-oxo-2h-chromene-6-sulphonyl chloride, 6-(chlorosulphonyl)coumarin ; 2-oxo-2h-1-benzopyran-6-sulfonyl chloride
Molecular Formula:	C9H5ClO4S
Molecular Weight:	244.65
EINECS:

2026 - The most valued supplier

The following 3 notable providers have been checked and can be recommended.

Dayang Chem

Xiamen Equation Chemical

Leap Chem

Molecular Formula: C9H5ClO4S Molecular Weight: 244.65 Hazard Symbols: C UN Number: UN 3261 8/PG 2 WGKGermany: 3

What other providers are available for CAS 10543-42-7?

The last intensive check and update was carried out on 2026/03/01.

Identify

Synonyms:

2-oxo-2h-1-benzopyran-6-sulfonyl chloride, 6-cs-cl ; cbi-bb zero/008202 ; 2-oxo-2h-chromene-6-sulfonyl chloride ; timtec-bb sbb002796 ; coumarin-6-sulphonyl chloride ; 2-oxo-2h-chromene-6-sulphonyl chloride ; coumarin-6-sulfonyl chloride ; 6-cs-cl ; 2-oxo-2h-chromene-6-sulphonyl chloride, 6-(chlorosulphonyl)coumarin ; 2-oxo-2h-1-benzopyran-6-sulfonyl chloride

CAS:

10543-42-7

EINECS:

Molecular Formula:

C9H5ClO4S

MDL:

MFCD01941320

SMILES:

CC1([C@@H](N2C(S1)[C@@H](C2=O)NC(=O)[C@@H](C3=CC=CC=C3)N)C(=O)O)C.O.O.O

Properties

Molecular Weight:

244.65 g·mol−1

Melting point:

110-113

Suppliers

Dayang Chem (Hangzhou) Co.,Ltd.

Company type: Leading producer

Hangzhou DayangChem 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 sell 7-Acetyl-5,8-dihydroxy-4-isopropyl-1-methylbicyclo[4.3.0]nonane as well. We expect to cooperate with more partners in ...

Country: P.R.China Phone: +86-571-88938639 Telefax: +86-571-8893-8652

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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. Xiamen Equation Chemical Co.,Ltd also offers R-1-Boc-3-Fluoropyrrolidine. We are committed to provide experienced high quality product and JIT performance to benefit our customers.

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Leap Chem Co., Ltd

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. We are seller of Ethyl-4-bromobutyrate. 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 ...

Company type: Bulk and laboratory supplier

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

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Safety Information

Hazard Symbols: C

Europe standard Hazard pictograms, code and definition

Hazard Classes:

Risk Codes:

34 (R)

Safety Codes:

26-36/37/39-45 (S)

WGK Germany:

RID / ADR:

UN 3261 8 / PG 2

What other providers are available for CAS 10543-42-7?

In addition to the providers presented here for Coumarin-6-sulfonyl chloride with the CAS number 10543-42-7, there are other 4 providers with slightly different product names available for this CAS number.

2-Oxo-2H-Chromene-6-sulfonyl chloride

BIOZOL Diagnostica Vertrieb GmbH | BuGuCh & Partners +2 additional providers that we know from the past