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API Process Intermediates & Related Compounds

S-Allyl-L-cysteine

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Order S-Allyl-L-cysteine (CAS 21593-77-1) online at Zemixal. Request a quote with price, lead time and documents. Catalogue no. ZX-033662.

Pack sizes
S-Allyl-L-cysteine chemical structure
CAS number21593-77-1
FormulaC6H11NO2S
Molar mass161.22 g/mol
Physical formSolid
InChIKeyZFAHNWWNDFHPOH-YFKPBYRVSA-N
IUPAC name(2R)-2-amino-3-prop-2-enylsulfanylpropanoic acid

About S-Allyl-L-cysteine

S-Allyl-L-cysteine sits in our API Process Intermediates & Related Compounds section and ships worldwide from stock or short lead time. Key data: CAS 21593-77-1, formula C6H11NO2S and molar mass 161.22 g/mol. It is handled as a solid.

Common uses in the lab and plant

  • API route development
  • Impurity fate & purge studies
  • Analytical method development
  • Fine chemical synthesis

Handling and storage

Hazard communication follows GHS (Warning: H317). Our SDS lists exposure controls and first-aid measures.

Order it in 10 mg, 25 mg, 50 mg and 100 mg packs or ask for a bulk quotation. Each lot travels with a batch certificate of analysis and a 16-section SDS. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Reference standards for Cysteine

See every impurity, metabolite and related compound we list for this API.

Cysteine standards

Typical uses

  • API route development
  • Impurity fate & purge studies
  • Analytical method development
  • Fine chemical synthesis

Applications

Pharmaceutical Manufacturing and QCResearch Labs and Universities

Specifications and identifiers

Specifications of S-Allyl-L-cysteine
Product nameS-Allyl-L-cysteine
Catalogue numberZX-033662
CAS number21593-77-1
IUPAC name(2R)-2-amino-3-prop-2-enylsulfanylpropanoic acid
Molecular formulaC6H11NO2S
Molar mass161.22 g/mol
Exact mass161.051
Physical formSolid
XLogP3-2.1
H-bond donors / acceptors2 / 4
Topological polar surface area88.6 Ų
InChIKeyZFAHNWWNDFHPOH-YFKPBYRVSA-N
SMILESC=CCSC[C@@H](C(=O)O)N
PubChem CID9793905
SynonymsS-Allylcysteine, S-Allyl cysteine, L-Cysteine, S-2-propenyl-, (2R)-2-azaniumyl-3-prop-2-enylsulfanylpropanoate, 2-amino-3-(prop-2-en-1-ylsulfanyl)propanoic acid, (R)-3-(Allylthio)-2-aminopropanoic acid, allyl-cysteine, S-prop-2-en-1-yl-L-cysteine, S-2-propenyl-L-cysteine, allylcysteine, L-Cysteine, S-2-propen-1-yl, H-Cys(Allyl)-OH

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

GHS07 Irritant or harmful
Irritant or harmful

Signal word Warning

  • H317May cause an allergic skin reaction

Precautionary statements P261, P272, P280, P302 + P352, P321, P333 + P317, P362 + P364, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of S-Allyl-L-cysteine
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about S-Allyl-L-cysteine

Which CAS number identifies S-Allyl-L-cysteine?
S-Allyl-L-cysteine is registered under CAS 21593-77-1. You may also see it listed as S-Allylcysteine, S-Allyl cysteine, L-Cysteine, S-2-propenyl-. Our catalogue number for this item is ZX-033662.
What are the formula and molar mass of S-Allyl-L-cysteine?
For S-Allyl-L-cysteine, its formula is C6H11NO2S and its molar mass is 161.22 g/mol. The systematic (IUPAC) name is (2R)-2-amino-3-prop-2-enylsulfanylpropanoic acid. InChIKey ZFAHNWWNDFHPOH-YFKPBYRVSA-N lets you match it in any structure database.
How is S-Allyl-L-cysteine used in pharmaceutical QC?
S-Allyl-L-cysteine is a characterised reference material linked to Cysteine. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.
What grade and pack sizes are available for S-Allyl-L-cysteine?
The grade and assay are confirmed on the quotation and the batch COA. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with S-Allyl-L-cysteine?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship S-Allyl-L-cysteine to my country?
Yes. Because S-Allyl-L-cysteine is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

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