Tech Serve Solutions

DL-Cystine

CAS 923-32-0HOOCCH(NH2)CH2SSCH2CH(NH2)COOHBiochemicals & Reagents

DL-Cystine (CAS 923-32-0), molecular formula HOOCCH(NH2)CH2SSCH2CH(NH2)COOH, is a high-purity chemical supplied by Tech Serve Solutions for biochemicals & reagents 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
(±)-3,3′-Dithiobis(2-aminopropionicacid)
DL-Cystine
Amino AcidsBiochemicals and Reagents
01 /Properties
Molecular weight240.30
Linear formulaHOOCCH(NH2)CH2SSCH2CH(NH2)COOH
Solubility1 M HCl: soluble
Melting point227 °C (dec.)(lit.)
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
923-32-0
MDL number
MFCD00084652
PubChem substance
24893084
Beilstein registry
1728095
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-Cystine?

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DL-Cystine (CAS 923-32-0), molecular formula HOOCCH(NH2)CH2SSCH2CH(NH2)COOH, is a high-purity chemical supplied by Tech Serve Solutions for biochemicals & reagents applications, to USP, BP and EP standards.

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

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Tech Serve Solutions supplies DL-Cystine 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-Cystine?

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DL-Cystine has CAS number 923-32-0 and molecular formula HOOCCH(NH2)CH2SSCH2CH(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-Cystine?

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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-Cystine 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-Cystine be stored?

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Store DL-Cystine 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-Cystine used for?

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DL-Cystine is used in biochemicals & reagents 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-Cystine?

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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-Cystine in a specific grade or volume?

Request a quote