DL-Homocysteine

Name: DL-Homocysteine
Brand: Vaqora Chemicals
SKU: VQ-031398

About DL-Homocysteine

DL-Homocysteine (CAS 454-29-5) is an impurity of Erdosteine offered by Vaqora Chemicals. With the molecular formula C4H9NO2S, it has a molar mass of 135.19 g/mol. Its systematic (IUPAC) name is 2-amino-4-sulfanylbutanoic acid. Alternative names: Erdosteine D L-Homocysteine and Homocysteine, dl-.

It is supplied as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. Handle it with standard laboratory precautions and appropriate personal protective equipment.

This Erdosteine impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

We offer DL-Homocysteine in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

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

Industries

Related to Erdosteine

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

Erdosteine impurities

Specifications & identifiers

Chemical identifiers
Product name	DL-Homocysteine
Catalogue No.	VQ-031398
CAS Number	454-29-5
IUPAC name	2-amino-4-sulfanylbutanoic acid
Molecular formula	C₄H₉NO₂S
Molecular weight	135.19 g/mol
Exact mass	135.0354
Grade	Reference Standard
HSN code	38229090
InChIKey	FFFHZYDWPBMWHY-UHFFFAOYSA-N
SMILES	C(CS)C(C(=O)O)N
PubChem CID	778

Physical properties
Physical form	Solid
LogP (XLogP3)	-3.4
H-bond donors / acceptors	3 / 4
TPSA	64.3 Å²
Synonyms	Erdosteine D L-Homocysteine, Homocysteine, dl-, (+-)-Homocysteine, USAF B-12, DL-2-Amino-4-mercaptobutyric acid, Butyric acid, 2-amino-4-mercapto-, DL-, 2-azaniumyl-4-sulfanylbutanoate, 2-Amino-4-mercaptobutanoic acid, (+/-)-Homocysteine, H-DL-HoCys-OH, DL-Homocysteine (free base)

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 DL-Homocysteine?

The CAS Registry Number of DL-Homocysteine is 454-29-5. It is also known as Erdosteine D L-Homocysteine, Homocysteine, dl-, (+-)-Homocysteine.

What is the molecular formula and molecular weight of DL-Homocysteine?

DL-Homocysteine has the molecular formula C4H9NO2S and a molecular weight of 135.19 g/mol. Its IUPAC name is 2-amino-4-sulfanylbutanoic acid.

What is DL-Homocysteine used for?

DL-Homocysteine is supplied as a characterised reference material related to Erdosteine. 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 DL-Homocysteine can I order?

We supply DL-Homocysteine 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 DL-Homocysteine?

Yes. Every lot of DL-Homocysteine 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 DL-Homocysteine be shipped internationally?

Yes. We export DL-Homocysteine worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.