Glutathione EP Impurity D

Name: Glutathione EP Impurity D
Brand: Vaqora Chemicals
SKU: VQ-026011

About Glutathione EP Impurity D

Listed under CAS 636-58-8, Glutathione EP Impurity D is a pharmacopeial impurity of Glutathione available from Vaqora Chemicals. With the molecular formula C8H14N2O5S, it has a molar mass of 250.27 g/mol. The IUPAC name is (2S)-2-amino-5-[[(1R)-1-carboxy-2-sulfanylethyl]amino]-5-oxopentanoic acid. Common synonyms include Glutathione - Impurity D and gamma-glutamylcysteine.

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 “Warning” with 3 hazard statements. Review the Safety Data Sheet before use.

This Glutathione impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies Glutathione EP Impurity D in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Pharmacopeial method verification
Impurity profiling
QC release testing
ANDA / DMF filings

Industries

Related to Glutathione

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

Glutathione impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Glutathione EP Impurity D
Catalogue No.	VQ-026011
CAS Number	636-58-8
IUPAC name	(2S)-2-amino-5-[[(1R)-1-carboxy-2-sulfanylethyl]amino]-5-oxopentanoic acid
Molecular formula	C₈H₁₄N₂O₅S
Molecular weight	250.27 g/mol
Exact mass	250.0623
Grade	Reference Standard
HSN code	38229090
InChIKey	RITKHVBHSGLULN-WHFBIAKZSA-N
SMILES	C(CC(=O)N[C@@H](CS)C(=O)O)[C@@H](C(=O)O)N
PubChem CID	123938

Physical properties
Physical form	Solid
LogP (XLogP3)	-3.8
H-bond donors / acceptors	5 / 7
TPSA	131 Å²
Synonyms	Glutathione - Impurity D, gamma-glutamylcysteine, gamma-Glu-cys, gamma-L-glutamyl-L-cysteine, L-gamma-glutamyl-L-cysteine, L-gamma-glutamylcysteine, 5-L-Glutamyl-L-cysteine, Glu(-Cys), (2S)-2-amino-4-{[(1R)-1-carboxy-2-sulfanylethyl]carbamoyl}butanoic acid, (2S)-2-amino-4-(((1R)-1-carboxy-2-sulfanylethyl)carbamoyl)butanoic acid, (2S)-2-amino-5-(((1R)-1-carboxy-2-sulfanylethyl)amino)-5-oxopentanoic acid, h-gamma-glu-cys-oh

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, 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 Glutathione EP Impurity D?

The CAS Registry Number of Glutathione EP Impurity D is 636-58-8. It is also known as Glutathione - Impurity D, gamma-glutamylcysteine, gamma-Glu-cys.

What is the molecular formula and molecular weight of Glutathione EP Impurity D?

Glutathione EP Impurity D has the molecular formula C8H14N2O5S and a molecular weight of 250.27 g/mol. Its IUPAC name is (2S)-2-amino-5-[[(1R)-1-carboxy-2-sulfanylethyl]amino]-5-oxopentanoic acid.

What is Glutathione EP Impurity D used for?

Glutathione EP Impurity D is supplied as a characterised reference material related to Glutathione. 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 Glutathione EP Impurity D can I order?

We supply Glutathione EP Impurity D 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 Glutathione EP Impurity D?

Yes. Every lot of Glutathione EP Impurity D 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 Glutathione EP Impurity D be shipped internationally?

Yes. Glutathione EP Impurity D 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.