Tech Serve Solutions

2-Sulfobenzoic acid cyclic anhydride

CAS 81-08-3C7H4O4SCell Biology

2-Sulfobenzoic acid cyclic anhydride (CAS 81-08-3), molecular formula C7H4O4S, is a high-purity chemical supplied by Tech Serve Solutions for cell biology applications, to pharmacopoeia specification (USP, BP, EP). Every batch is tested and ships with a Certificate of Analysis; MSDS and technical data sheets are available on request. Tech Serve Solutions has supplied laboratory reagents, fine chemicals and pharmaceutical intermediates worldwide since 1998.

IUPAC
2,1-Benzoxathiol-3-one-1,1-dioxide
2-Sulfobenzoic acid cyclic anhydride
Cell BiologyHematology and HistologyStains & DyesA to ZStains and Dyes
01 /Properties
Molecular weight184.17
Empirical formulaC7H4O4S
Assay90%
Boiling point184-186 °C/18 mmHg(lit.)
Solubilitymethanol: soluble50 mg/mL
02 /Safety & handling
Protective equipmentEyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter
Water hazard class (WGK, DE)3

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

03 /Identifiers & registry
CAS number
81-08-3
MDL number
MFCD00005879
PubChem substance
24851504
Beilstein registry
139893
04 /Quality & supply

Documentation

Supplied to USP, BP and EP standards. Every batch ships with a Certificate of Analysis (assay, identity, purity); MSDS and technical data sheets are available on request.

Supply & logistics

Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.

05 /Frequently asked questions

What is 2-Sulfobenzoic acid cyclic anhydride?

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2-Sulfobenzoic acid cyclic anhydride (CAS 81-08-3), molecular formula C7H4O4S, is a high-purity chemical supplied by Tech Serve Solutions for cell biology applications, to USP, BP and EP standards.

What grades of 2-Sulfobenzoic acid cyclic anhydride does Tech Serve Solutions supply?

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Tech Serve Solutions supplies 2-Sulfobenzoic acid cyclic anhydride in USP, BP, EP and reagent/AR grades. Custom specifications for nutraceutical or specialty pharmaceutical applications are available — contact our technical sales team.

What is the CAS number and molecular formula of 2-Sulfobenzoic acid cyclic anhydride?

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2-Sulfobenzoic acid cyclic anhydride has CAS number 81-08-3 and molecular formula C7H4O4S. Full specifications appear in the table above and in the Certificate of Analysis.

What is the typical minimum order quantity and lead time for 2-Sulfobenzoic acid cyclic anhydride?

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Sample quantities are available for technical evaluation; bulk MOQ depends on grade and packaging. In-stock material typically ships in 7–10 working days; custom-spec orders take 3–4 weeks. Tech Serve Solutions ships worldwide with full export documentation.

Do you provide a Certificate of Analysis (CoA) with each shipment?

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Yes. Every batch of 2-Sulfobenzoic acid cyclic anhydride ships with a Certificate of Analysis covering assay, identity and purity tests, plus pharmacopoeia conformance where applicable. MSDS and TDS documents are available on request before order placement.

How should 2-Sulfobenzoic acid cyclic anhydride be stored?

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Store 2-Sulfobenzoic acid cyclic anhydride in its original sealed container in a cool, dry place away from direct sunlight and incompatible materials, in line with the storage guidance on the Safety Data Sheet. Reseal between dispensings.

What is 2-Sulfobenzoic acid cyclic anhydride used for?

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2-Sulfobenzoic acid cyclic anhydride is used in cell biology applications across pharmaceutical, research and industrial settings. Our technical team can advise on suitability for your specific process.

How do I request a quote for 2-Sulfobenzoic acid cyclic anhydride?

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Request a quote with your required grade, quantity and destination via https://www.techservesolutions.in/contact or email info@techservesolutions.in. We respond with specifications, a Certificate of Analysis and pricing.

Need 2-Sulfobenzoic acid cyclic anhydride in a specific grade or volume?

Request a quote