N-Acetyl-DL-homocysteine Thiolactone

Name: N-Acetyl-DL-homocysteine Thiolactone
Brand: Vaqora Chemicals
SKU: VQ-047811

About N-Acetyl-DL-homocysteine Thiolactone

N-Acetyl-DL-homocysteine Thiolactone is an impurity of Citiolone carrying the CAS registry number 17896-21-8. Its molecular formula is C6H9NO2S and its molecular weight is 159.21 g/mol. Its systematic (IUPAC) name is N-(2-oxothiolan-3-yl)acetamide. Common synonyms include citiolone and Acetamide, N-(tetrahydro-2-oxo-3-thienyl)-.

The product is provided as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. It carries the GHS signal word “Danger” with 1 hazard statement. Review the Safety Data Sheet before use.

This Citiolone impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. It is used across pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, N-Acetyl-DL-homocysteine Thiolactone is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

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

Industries

Related to Citiolone

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

Citiolone impurities

Specifications & identifiers

Chemical identifiers
Product name	N-Acetyl-DL-homocysteine Thiolactone
Catalogue No.	VQ-047811
CAS Number	17896-21-8
IUPAC name	N-(2-oxothiolan-3-yl)acetamide
Molecular formula	C₆H₉NO₂S
Molecular weight	159.21 g/mol
Exact mass	159.0354
Grade	Reference Standard
HSN code	38229090
InChIKey	NRFJZTXWLKPZAV-UHFFFAOYSA-N
SMILES	CC(=O)NC1CCSC1=O
PubChem CID	14520

Physical properties
Physical form	Solid
LogP (XLogP3)	-0.3
H-bond donors / acceptors	1 / 3
TPSA	71.5 Å²
Synonyms	citiolone, Acetamide, N-(tetrahydro-2-oxo-3-thienyl)-, N-Acetylhomocysteine thiolactone, cythiolone, DL-N-Acetylhomocysteine thiolactone, Thioxidrene, N-(2-Oxotetrahydrothiophen-3-yl)acetamide, 3-Acetamidotetrahydro-2-thiophenone, N-Acetylhmocysteinethiolactone, BO 714, 2-Acetamido-4-mercaptobutyric acid gamma-thiolactone, N-Acetylhomocysteinthiolakton

Safety & hazard information (GHS)

Toxic

Signal word: Danger

Hazard statements

H301Toxic if swallowed

Precautionary statements: P264, P270, P301 + P316, P321, P330, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

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 N-Acetyl-DL-homocysteine Thiolactone?

The CAS Registry Number of N-Acetyl-DL-homocysteine Thiolactone is 17896-21-8. It is also known as citiolone, Acetamide, N-(tetrahydro-2-oxo-3-thienyl)-, N-Acetylhomocysteine thiolactone.

What is the molecular formula and molecular weight of N-Acetyl-DL-homocysteine Thiolactone?

N-Acetyl-DL-homocysteine Thiolactone has the molecular formula C6H9NO2S and a molecular weight of 159.21 g/mol. Its IUPAC name is N-(2-oxothiolan-3-yl)acetamide.

What is N-Acetyl-DL-homocysteine Thiolactone used for?

N-Acetyl-DL-homocysteine Thiolactone is supplied as a characterised reference material related to Citiolone. 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 N-Acetyl-DL-homocysteine Thiolactone can I order?

We supply N-Acetyl-DL-homocysteine Thiolactone 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 N-Acetyl-DL-homocysteine Thiolactone?

Yes. Every lot of N-Acetyl-DL-homocysteine Thiolactone 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 N-Acetyl-DL-homocysteine Thiolactone be shipped internationally?

Yes. N-Acetyl-DL-homocysteine Thiolactone is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.