Tech Serve Solutions

D-Ethionine

CAS 535-32-0C2H5SCH2CH2CH(NH2)CO2HChemical Synthesis

D-Ethionine (CAS 535-32-0), molecular formula C2H5SCH2CH2CH(NH2)CO2H, 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
D-2-Amino-4-(ethylthio)butyric acid
D-Ethionine
Chemical BiologyChemical SynthesisCysteine DerivativesPeptide Chemistry
01 /Properties
Molecular weight163.24
Linear formulaC2H5SCH2CH2CH(NH2)CO2H
Assay98%
Optical activity[α]22/D −21°, c = 1 in 1 M HCl
Melting point278 °C (dec.)(lit.)
02 /Safety & handling
Harmful / irritant
Harmful / irritant
Warning

Hazard statements

  • H315Causes skin irritation
  • H319Causes serious eye irritation
  • H335May cause respiratory irritation

Precautionary statements

  • P261Avoid breathing dust, fume, gas or vapours
  • P305IF IN EYES
Protective equipmentdust mask type N95 (US), Eyeshields, Gloves
Water hazard class (WGK, DE)3
Hazard codes (EU)Xi
Risk statements (R)36/37/38
Safety statements (S)26

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

03 /Identifiers & registry
CAS number
535-32-0
MDL number
MFCD00063101
PubChem substance
24853119
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 D-Ethionine?

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D-Ethionine (CAS 535-32-0), molecular formula C2H5SCH2CH2CH(NH2)CO2H, is a high-purity chemical supplied by Tech Serve Solutions for chemical synthesis applications, to USP, BP and EP standards.

What grades of D-Ethionine does Tech Serve Solutions supply?

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Tech Serve Solutions supplies D-Ethionine 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 D-Ethionine?

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D-Ethionine has CAS number 535-32-0 and molecular formula C2H5SCH2CH2CH(NH2)CO2H. Full specifications appear in the table above and in the Certificate of Analysis.

What is the typical minimum order quantity and lead time for D-Ethionine?

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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 D-Ethionine 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 D-Ethionine be stored?

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Store D-Ethionine 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 D-Ethionine used for?

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D-Ethionine 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 D-Ethionine?

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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 D-Ethionine in a specific grade or volume?

Request a quote