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(S)-(-)-3-Acetylthio-2-methylpropionic Acid

Reference StandardAvailable on request

Buy (S)-(-)-3-Acetylthio-2-methylpropionic Acid (CAS 76497-39-7) from Zemixal. Lab and bulk packs, batch COA, fast global delivery.

Pack sizes
(S)-(-)-3-Acetylthio-2-methylpropionic Acid chemical structure
CAS number76497-39-7
FormulaC6H10O3S
Molar mass162.21 g/mol
Physical formSolid
HS code38229090
InChIKeyVFVHNRJEYQGRGE-SCSAIBSYSA-N
IUPAC name(2S)-3-acetylsulfanyl-2-methylpropanoic acid

About (S)-(-)-3-Acetylthio-2-methylpropionic Acid

Zemixal lists (S)-(-)-3-Acetylthio-2-methylpropionic Acid for laboratories that identify, quantify or control Captopril and its related substances. Key data (Reference Standard): CAS 76497-39-7, formula C6H10O3S and molar mass 162.21 g/mol. It is handled as a solid.

Typical applications

  • Analytical method development
  • Method validation (AMV)
  • QC release testing
  • ANDA / DMF filings

Storage and safety notes

Hazard communication follows GHS (Danger: H314 and H318). Our SDS lists exposure controls and first-aid measures.

Available as 10 mg, 25 mg, 50 mg and 100 mg. Larger or split packs can be arranged. You receive a certificate of analysis with characterisation data with each order. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Reference standards for Captopril

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

Captopril standards

Typical uses

  • Analytical method development
  • Method validation (AMV)
  • QC release testing
  • ANDA / DMF filings

Applications

Specifications and identifiers

Specifications of (S)-(-)-3-Acetylthio-2-methylpropionic Acid
Product name(S)-(-)-3-Acetylthio-2-methylpropionic Acid
Catalogue numberZX-023744
CAS number76497-39-7
IUPAC name(2S)-3-acetylsulfanyl-2-methylpropanoic acid
Molecular formulaC6H10O3S
Molar mass162.21 g/mol
Exact mass162.0351
GradeReference Standard
Physical formSolid
XLogP30.7
H-bond donors / acceptors1 / 4
Topological polar surface area79.7 Ų
HS code38229090
InChIKeyVFVHNRJEYQGRGE-SCSAIBSYSA-N
SMILESC[C@H](CSC(=O)C)C(=O)O
PubChem CID2724506
SynonymsD-beta-Acetylthioisobutyric acid, (S)-3-(Acetylthio)-2-methylpropanoic acid, (2S)-3-(Acetylthio)-2-methylpropanoic Acid, (2S)-3-(acetylsulfanyl)-2-methylpropanoic acid, (2S)-3-acetylthio-2-methylpropionic acid, D-(-)-3-Acetylthio-2-methylpropionic acid, Propanoic acid, 3-(acetylthio)-2-methyl-, (2S)-, Captopril RC 6, (S)-beta-(Acetylmercapto)isobutyric acid, D-3-Acetylthio-2-methylpropionic acid

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

Safety and GHS hazards

GHS05 Corrosive
Corrosive

Signal word Danger

  • H314Causes severe skin burns and eye damage
  • H318Causes serious eye damage

Precautionary statements P260, P264, P264 + P265, P280, P301 + P330 + P331, P302 + P361 + P354, P304 + P340, P305 + P354 + P338, P316, P317, P321, P363, P405, 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)-(-)-3-Acetylthio-2-methylpropionic Acid
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)-(-)-3-Acetylthio-2-methylpropionic Acid

Which CAS number identifies (S)-(-)-3-Acetylthio-2-methylpropionic Acid?
(S)-(-)-3-Acetylthio-2-methylpropionic Acid is registered under CAS 76497-39-7. You may also see it listed as D-beta-Acetylthioisobutyric acid, (S)-3-(Acetylthio)-2-methylpropanoic acid, (2S)-3-(Acetylthio)-2-methylpropanoic Acid. Our catalogue number for this item is ZX-023744.
What are the formula and molar mass of (S)-(-)-3-Acetylthio-2-methylpropionic Acid?
For (S)-(-)-3-Acetylthio-2-methylpropionic Acid, its formula is C6H10O3S and its molar mass is 162.21 g/mol. The systematic (IUPAC) name is (2S)-3-acetylsulfanyl-2-methylpropanoic acid. InChIKey VFVHNRJEYQGRGE-SCSAIBSYSA-N lets you match it in any structure database.
How is (S)-(-)-3-Acetylthio-2-methylpropionic Acid used in pharmaceutical QC?
(S)-(-)-3-Acetylthio-2-methylpropionic Acid is a characterised reference material linked to Captopril. 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)-(-)-3-Acetylthio-2-methylpropionic Acid?
This listing is Reference Standard grade. 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)-(-)-3-Acetylthio-2-methylpropionic Acid?
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)-(-)-3-Acetylthio-2-methylpropionic Acid to my country?
Yes. Because (S)-(-)-3-Acetylthio-2-methylpropionic Acid 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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