Tech Serve Solutions

Phenylmethanesulfonyl chloride

CAS 1939-99-7C7H7ClO2SChemical Synthesis

Phenylmethanesulfonyl chloride (CAS 1939-99-7), molecular formula C7H7ClO2S, is a high-purity chemical supplied by Tech Serve Solutions for chemical synthesis 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
α-Toluenesulfonyl chloride
Phenylmethanesulfonyl chloride
Building BlocksChemical SynthesisOrganic Building BlocksSulfonyl HalidesSulfur Compounds
01 /Properties
Molecular weight190.65
Empirical formulaC7H7ClO2S
Assay98%
Melting point92-94 °C(lit.)
02 /Safety & handling
Corrosive
Corrosive
Danger

Hazard statements

  • H314Causes severe skin burns and eye damage

Precautionary statements

  • P280Wear protective gloves, clothing and eye/face protection
  • P305IF IN EYES
  • P310Immediately call a POISON CENTER or doctor
Protective equipmentEyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges
Transport (UN / ADR)UN 3261 8 / PGII
Water hazard class (WGK, DE)3
Hazard codes (EU)C
Risk statements (R)34
Safety statements (S)26-36/37/39-45

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

03 /Identifiers & registry
CAS number
1939-99-7
MDL number
MFCD00007455
Beilstein registry
972806
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 Phenylmethanesulfonyl chloride?

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Phenylmethanesulfonyl chloride (CAS 1939-99-7), molecular formula C7H7ClO2S, is a high-purity chemical supplied by Tech Serve Solutions for chemical synthesis applications, to USP, BP and EP standards.

What grades of Phenylmethanesulfonyl chloride does Tech Serve Solutions supply?

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Tech Serve Solutions supplies Phenylmethanesulfonyl chloride 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 Phenylmethanesulfonyl chloride?

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Phenylmethanesulfonyl chloride has CAS number 1939-99-7 and molecular formula C7H7ClO2S. Full specifications appear in the table above and in the Certificate of Analysis.

What is the typical minimum order quantity and lead time for Phenylmethanesulfonyl chloride?

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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 Phenylmethanesulfonyl chloride 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 Phenylmethanesulfonyl chloride be stored?

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Store Phenylmethanesulfonyl chloride 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 Phenylmethanesulfonyl chloride used for?

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Phenylmethanesulfonyl chloride is used in chemical synthesis 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 Phenylmethanesulfonyl chloride?

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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 Phenylmethanesulfonyl chloride in a specific grade or volume?

Request a quote