DL-Homocystine-3,3,3`,3`,4,4,4`,4`-D8

Name: DL-Homocystine-3,3,3`,3`,4,4,4`,4`-D8
Brand: Vaqora Chemicals
SKU: VQ-052430

About DL-Homocystine-3,3,3`,3`,4,4,4`,4`-D8

Vaqora Chemicals supplies DL-Homocystine-3,3,3`,3`,4,4,4`,4`-D8, a stable isotope labelled standard registered under CAS number 108641-82-3. With the molecular formula C8H16N2O4S2, it has a molar mass of 276.4 g/mol. Systematically, it is named 2-amino-4-[(3-amino-3-carboxy-1,1,2,2-tetradeuteriopropyl)disulfanyl]-3,3,4,4-tetradeuteriobutanoic acid. Alternative names: homocystine-d8 and TMID-0875.

The product is provided as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. It carries the GHS signal word “Warning” with 1 hazard statement. Review the Safety Data Sheet before use.

This isotope-labelled compound is used as an internal standard for LC-MS and LC-MS/MS quantitation in bioanalytical, pharmacokinetic and impurity studies. Buyers come mainly from 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

LC-MS/MS internal standard
Bioanalytical quantitation
Pharmacokinetic studies

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	DL-Homocystine-3,3,3`,3`,4,4,4`,4`-D8
Catalogue No.	VQ-052430
CAS Number	108641-82-3
IUPAC name	2-amino-4-[(3-amino-3-carboxy-1,1,2,2-tetradeuteriopropyl)disulfanyl]-3,3,4,4-tetradeuteriobutanoic acid
Molecular formula	C₈H₁₆N₂O₄S₂
Molecular weight	276.4 g/mol
Exact mass	276.1054
Grade	Reference Standard
HSN code	38229090
InChIKey	ZTVZLYBCZNMWCF-SVYQBANQSA-N
SMILES	[2H]C([2H])(C(C(=O)O)N)C([2H])([2H])SSC([2H])([2H])C([2H])([2H])C(C(=O)O)N
PubChem CID	11265862

Physical properties
Physical form	Solid
LogP (XLogP3)	-5.6
H-bond donors / acceptors	4 / 8
TPSA	177 Å²

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H319Causes serious eye irritation

Precautionary statements: P264 + P265, P280, P305 + P351 + P338, P337 + P317

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 DL-Homocystine-3,3,3`,3`,4,4,4`,4`-D8?

The CAS Registry Number of DL-Homocystine-3,3,3`,3`,4,4,4`,4`-D8 is 108641-82-3. It is also known as homocystine-d8, TMID-0875.

What is the molecular formula and molecular weight of DL-Homocystine-3,3,3`,3`,4,4,4`,4`-D8?

DL-Homocystine-3,3,3`,3`,4,4,4`,4`-D8 has the molecular formula C8H16N2O4S2 and a molecular weight of 276.4 g/mol. Its IUPAC name is 2-amino-4-[(3-amino-3-carboxy-1,1,2,2-tetradeuteriopropyl)disulfanyl]-3,3,4,4-tetradeuteriobutanoic acid.

Which grade and pack sizes of DL-Homocystine-3,3,3`,3`,4,4,4`,4`-D8 can I order?

We supply DL-Homocystine-3,3,3`,3`,4,4,4`,4`-D8 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-Homocystine-3,3,3`,3`,4,4,4`,4`-D8?

Yes. Every lot of DL-Homocystine-3,3,3`,3`,4,4,4`,4`-D8 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-Homocystine-3,3,3`,3`,4,4,4`,4`-D8 be shipped internationally?

Yes. DL-Homocystine-3,3,3`,3`,4,4,4`,4`-D8 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.