Methionine Impurity D

Name: Methionine Impurity D
Brand: Vaqora Chemicals
SKU: VQ-043597

About Methionine Impurity D

Methionine Impurity D (CAS 1879009-96-7) is an impurity of Methionine offered by Vaqora Chemicals. With the molecular formula C12H22N2O4S2, it has a molar mass of 322.4 g/mol. The IUPAC name is (2R)-2-[[(2S)-2-acetamido-4-methylsulfanylbutanoyl]amino]-4-methylsulfanylbutanoic acid. Common synonyms include Methionine EP Impurity D and acetyl-L-methionyl-D-methionine.

It is supplied as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. Good laboratory practice and suitable PPE are recommended during handling.

This Methionine impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. Typical end-use sectors are 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

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

Industries

Related to Methionine

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

Methionine impurities

Specifications & identifiers

Chemical identifiers
Product name	Methionine Impurity D
Catalogue No.	VQ-043597
CAS Number	1879009-96-7
IUPAC name	(2R)-2-[[(2S)-2-acetamido-4-methylsulfanylbutanoyl]amino]-4-methylsulfanylbutanoic acid
Molecular formula	C₁₂H₂₂N₂O₄S₂
Molecular weight	322.4 g/mol
Exact mass	322.1021
Grade	Reference Standard
HSN code	38229090
InChIKey	VIVKXFPMQBCQAC-VHSXEESVSA-N
SMILES	CC(=O)N[C@@H](CCSC)C(=O)N[C@H](CCSC)C(=O)O
PubChem CID	146019311

Physical properties
Physical form	Solid
H-bond donors / acceptors	3 / 6
TPSA	146 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 Methionine Impurity D?

The CAS Registry Number of Methionine Impurity D is 1879009-96-7. It is also known as Methionine EP Impurity D, acetyl-L-methionyl-D-methionine, N-Acetyl-L-methionyl-D-methionine.

What is the molecular formula and molecular weight of Methionine Impurity D?

Methionine Impurity D has the molecular formula C12H22N2O4S2 and a molecular weight of 322.4 g/mol. Its IUPAC name is (2R)-2-[[(2S)-2-acetamido-4-methylsulfanylbutanoyl]amino]-4-methylsulfanylbutanoic acid.

What is Methionine Impurity D used for?

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

We supply Methionine 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 Methionine Impurity D?

Yes. Every lot of Methionine 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 Methionine Impurity D be shipped internationally?

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