DL-Homocysteine-d4

Name: DL-Homocysteine-d4
Brand: Vaqora Chemicals
SKU: VQ-041247

About DL-Homocysteine-d4

DL-Homocysteine-d4 (CAS 416845-90-4) is a stable isotope labelled standard offered by Vaqora Chemicals. Formula C4H9NO2S, molecular weight 139.21 g/mol. Systematically, it is named 2-amino-3,3,4,4-tetradeuterio-4-sulfanylbutanoic acid. Alternative names: Homocysteine D4 and homocysteine-3,3,4,4-d4.

It is supplied as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. Good laboratory practice and suitable PPE are recommended during handling.

This isotope-labelled compound is used as an internal standard for LC-MS and LC-MS/MS quantitation in bioanalytical, pharmacokinetic and impurity studies. It is used across 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. SDS and detailed specification sheets can be requested with your quotation.

Typical applications

LC-MS/MS internal standard
Bioanalytical quantitation
Pharmacokinetic studies

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	DL-Homocysteine-d4
Catalogue No.	VQ-041247
CAS Number	416845-90-4
IUPAC name	2-amino-3,3,4,4-tetradeuterio-4-sulfanylbutanoic acid
Molecular formula	C₄H₉NO₂S
Molecular weight	139.21 g/mol
Exact mass	139.0605
Grade	Reference Standard
HSN code	38229090
InChIKey	FFFHZYDWPBMWHY-LNLMKGTHSA-N
SMILES	[2H]C([2H])(C(C(=O)O)N)C([2H])([2H])S
PubChem CID	89852651

Physical properties
Physical form	Solid
LogP (XLogP3)	-3.4
H-bond donors / acceptors	3 / 4
TPSA	64.3 Å²

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-d4?

The CAS Registry Number of DL-Homocysteine-d4 is 416845-90-4. It is also known as Homocysteine D4, homocysteine-3,3,4,4-d4, TMID-0121.

What is the molecular formula and molecular weight of DL-Homocysteine-d4?

DL-Homocysteine-d4 has the molecular formula C4H9NO2S and a molecular weight of 139.21 g/mol. Its IUPAC name is 2-amino-3,3,4,4-tetradeuterio-4-sulfanylbutanoic acid.

Which grade and pack sizes of DL-Homocysteine-d4 can I order?

We supply DL-Homocysteine-d4 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-d4?

Yes. Every lot of DL-Homocysteine-d4 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-d4 be shipped internationally?

Yes. We export DL-Homocysteine-d4 worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.