(S)-S-(3-Chloro-2-methyl-3-oxopropyl) ethanet… 69570-39-4

Name: (S)-S-(3-Chloro-2-methyl-3-oxopropyl) ethanethioate
Brand: Vaqora Chemicals
SKU: VQ-024761

About (S)-S-(3-Chloro-2-methyl-3-oxopropyl) ethanethioate

(S)-S-(3-Chloro-2-methyl-3-oxopropyl) ethanethioate (CAS 69570-39-4) is an impurity of Captopril offered by Vaqora Chemicals. The compound has the formula C6H9ClO2S, corresponding to a molecular weight of 180.65 g/mol. Systematically, it is named S-[(2S)-3-chloro-2-methyl-3-oxopropyl] ethanethioate. Alternative names: 3-Acetylthio-2-(S)-methylpropanoyl chloride and (2S)-3-acetylthio-2-methylpropionyl chloride.

It is supplied as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. Good laboratory practice and suitable PPE are recommended during handling.

This Captopril impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

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

Industries

Related to Captopril

View every impurity, metabolite and intermediate we list for Captopril.

Captopril impurities

Specifications & identifiers

Chemical identifiers
Product name	(S)-S-(3-Chloro-2-methyl-3-oxopropyl) ethanethioate
Catalogue No.	VQ-024761
CAS Number	69570-39-4
IUPAC name	S-[(2S)-3-chloro-2-methyl-3-oxopropyl] ethanethioate
Molecular formula	C₆H₉ClO₂S
Molecular weight	180.65 g/mol
Exact mass	180.0012
Grade	Reference Standard
HSN code	38229090
InChIKey	LUDPWTHDXSOXDX-BYPYZUCNSA-N
SMILES	C[C@@H](CSC(=O)C)C(=O)Cl
PubChem CID	10954137

Physical properties
Physical form	Solid
LogP (XLogP3)	1.7
H-bond donors / acceptors	0 / 3
TPSA	59.4 Å²
Synonyms	S-(3-Chloro-2-methyl-3-oxopropyl) (S)-ethanethioate, 3-Acetylthio-2-(S)-methylpropanoyl chloride, (2S)-3-acetylthio-2-methylpropionyl chloride, 3-(acetylthio)-2(s)-methylpropionyl chloride, (S)-(-)-3-acetylthio-2-methylpropionyl chloride

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of (S)-S-(3-Chloro-2-methyl-3-oxopropyl) ethanethioate?

The CAS Registry Number of (S)-S-(3-Chloro-2-methyl-3-oxopropyl) ethanethioate is 69570-39-4. It is also known as S-(3-Chloro-2-methyl-3-oxopropyl) (S)-ethanethioate, 3-Acetylthio-2-(S)-methylpropanoyl chloride, (2S)-3-acetylthio-2-methylpropionyl chloride.

What is the molecular formula and molecular weight of (S)-S-(3-Chloro-2-methyl-3-oxopropyl) ethanethioate?

(S)-S-(3-Chloro-2-methyl-3-oxopropyl) ethanethioate has the molecular formula C6H9ClO2S and a molecular weight of 180.65 g/mol. Its IUPAC name is S-[(2S)-3-chloro-2-methyl-3-oxopropyl] ethanethioate.

What is (S)-S-(3-Chloro-2-methyl-3-oxopropyl) ethanethioate used for?

(S)-S-(3-Chloro-2-methyl-3-oxopropyl) ethanethioate is supplied as a characterised reference material related to Captopril. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of (S)-S-(3-Chloro-2-methyl-3-oxopropyl) ethanethioate can I order?

We supply (S)-S-(3-Chloro-2-methyl-3-oxopropyl) ethanethioate in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with (S)-S-(3-Chloro-2-methyl-3-oxopropyl) ethanethioate?

Yes. Every lot of (S)-S-(3-Chloro-2-methyl-3-oxopropyl) ethanethioate is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can (S)-S-(3-Chloro-2-methyl-3-oxopropyl) ethanethioate be shipped internationally?

Yes. We export (S)-S-(3-Chloro-2-methyl-3-oxopropyl) ethanethioate worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.