Methionine EP Impurity B

Name: Methionine EP Impurity B
Brand: Vaqora Chemicals
SKU: VQ-023088

About Methionine EP Impurity B

Listed under CAS 7314-32-1, Methionine EP Impurity B is a pharmacopeial impurity of Methionine available from Vaqora Chemicals. Formula C5H11NO4S, molecular weight 181.21 g/mol. Systematically, it is named (2S)-2-amino-4-methylsulfonylbutanoic acid. Alternative names: L-Methionine Sulfone and Methionine - Impurity B.

It is supplied as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. Handle it with standard laboratory precautions and appropriate personal protective equipment.

As a characterised impurity of Methionine, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, Methionine EP Impurity B is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

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

Industries

Related to Methionine

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

Methionine impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Methionine EP Impurity B
Catalogue No.	VQ-023088
CAS Number	7314-32-1
IUPAC name	(2S)-2-amino-4-methylsulfonylbutanoic acid
Molecular formula	C₅H₁₁NO₄S
Molecular weight	181.21 g/mol
Exact mass	181.0409
Grade	Reference Standard
HSN code	38229090
InChIKey	UCUNFLYVYCGDHP-BYPYZUCNSA-N
SMILES	CS(=O)(=O)CC[C@@H](C(=O)O)N
PubChem CID	445282

Physical properties
Physical form	Solid
LogP (XLogP3)	-3.1
H-bond donors / acceptors	2 / 5
TPSA	106 Å²
Synonyms	L-Methionine Sulfone, Methionine - Impurity B, Methionine sulfone, (S)-2-Amino-4-(methylsulfonyl)butanoic acid, L-2-Amino-4-(methylsulfonyl)butanoic acid, (S)-Amino-4-(methylsulphonyl)butyric acid, (2S)-2-amino-4-(methylsulfonyl)butanoic acid, (2S)-2-amino-4-methanesulfonylbutanoic acid, (2S)-2-azaniumyl-4-(methanesulfonyl)butanoate, (2S)-2-amino-4-methylsulfonyl-butanoic acid, Butanoic acid, 2-amino-4-(methylsulfonyl)-, (2S)-, (2S)-2-Amino-4-(methylsulfonyl)butanoic Acid (L-Methionine Sulfone)

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 EP Impurity B?

The CAS Registry Number of Methionine EP Impurity B is 7314-32-1. It is also known as L-Methionine Sulfone, Methionine - Impurity B, Methionine sulfone.

What is the molecular formula and molecular weight of Methionine EP Impurity B?

Methionine EP Impurity B has the molecular formula C5H11NO4S and a molecular weight of 181.21 g/mol. Its IUPAC name is (2S)-2-amino-4-methylsulfonylbutanoic acid.

What is Methionine EP Impurity B used for?

Methionine EP Impurity B 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 EP Impurity B can I order?

We supply Methionine EP Impurity B 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 EP Impurity B?

Yes. Every lot of Methionine EP Impurity B 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 EP Impurity B be shipped internationally?

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