Tech Serve Solutions

DL-Cysteine

CAS 3374-22-9HSCH2CH(NH2)COOHChemical Synthesis

DL-Cysteine (CAS 3374-22-9), molecular formula HSCH2CH(NH2)COOH, 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
(±)-2-Amino-3-mercaptopropionic acid
DL-Cysteine
Amino Acid DerivativesChemical BiologyChemical SynthesisCysteine/CystinePeptide Chemistry
01 /Properties
Molecular weight121.16
Linear formulaHSCH2CH(NH2)COOH
Assay≥95% (RT)
Melting point225 °C (dec.)(lit.)~225 °C
02 /Safety & handling
Harmful / irritant
Harmful / irritant
Warning

Hazard statements

  • H302Harmful if swallowed
Protective equipmentdust mask type N95 (US), Eyeshields, Gloves
Water hazard class (WGK, DE)3
Hazard codes (EU)Xn
Risk statements (R)22

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

03 /Identifiers & registry
CAS number
3374-22-9
MDL number
MFCD00004881
Beilstein registry
1721406
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 DL-Cysteine?

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DL-Cysteine (CAS 3374-22-9), molecular formula HSCH2CH(NH2)COOH, is a high-purity chemical supplied by Tech Serve Solutions for chemical synthesis applications, to USP, BP and EP standards.

What grades of DL-Cysteine does Tech Serve Solutions supply?

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Tech Serve Solutions supplies DL-Cysteine 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 DL-Cysteine?

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DL-Cysteine has CAS number 3374-22-9 and molecular formula HSCH2CH(NH2)COOH. Full specifications appear in the table above and in the Certificate of Analysis.

What is the typical minimum order quantity and lead time for DL-Cysteine?

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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 DL-Cysteine 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 DL-Cysteine be stored?

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Store DL-Cysteine 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 DL-Cysteine used for?

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DL-Cysteine 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 DL-Cysteine?

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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 DL-Cysteine in a specific grade or volume?

Request a quote