D-Methionine sulfoxide

Name: D-Methionine sulfoxide
Brand: Vaqora Chemicals
SKU: VQ-049709

About D-Methionine sulfoxide

D-Methionine sulfoxide (CAS 21056-56-4) is a metabolite or degradation product of Methionine offered by Vaqora Chemicals. Its molecular formula is C5H11NO3S and its molecular weight is 165.21 g/mol. The IUPAC name is (2R)-2-amino-4-methylsulfinylbutanoic acid. Alternative names: methionine sulfoxide, (2R)- and D-methionine S-oxide.

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. Handle it with standard laboratory precautions and appropriate personal protective equipment.

It is used in metabolite identification, stability-indicating method development and impurity profiling of Methionine, as well as in QC testing and ANDA/DMF documentation. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

We offer D-Methionine sulfoxide in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Metabolite identification
Stability-indicating methods
Impurity profiling

Industries

Related to Methionine

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

Methionine impurities

Specifications & identifiers

Chemical identifiers
Product name	D-Methionine sulfoxide
Catalogue No.	VQ-049709
CAS Number	21056-56-4
IUPAC name	(2R)-2-amino-4-methylsulfinylbutanoic acid
Molecular formula	C₅H₁₁NO₃S
Molecular weight	165.21 g/mol
Exact mass	165.046
Grade	Reference Standard
HSN code	38229090
InChIKey	QEFRNWWLZKMPFJ-CQIZIWTCSA-N
SMILES	CS(=O)CC[C@H](C(=O)O)N
PubChem CID	148508

Physical properties
Physical form	Solid
LogP (XLogP3)	-4.1
H-bond donors / acceptors	2 / 5
TPSA	99.6 Å²
Synonyms	methionine sulfoxide, (2R)-, D-methionine S-oxide, D-Methionine, S-oxide, (2R)-2-amino-4-(methylsulfinyl)butanoic acid, (2R)-2-amino-4-methanesulfinylbutanoic acid, L-2-Amino-4-(methylsulfinyl)butanoic acid, (2R)-2-amino-4-methylsulfinyl-butanoic acid, (2R)-2-Amino-4-(methanesulfinyl)butanoic acid

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 D-Methionine sulfoxide?

The CAS Registry Number of D-Methionine sulfoxide is 21056-56-4. It is also known as methionine sulfoxide, (2R)-, D-methionine S-oxide, D-Methionine, S-oxide.

What is the molecular formula and molecular weight of D-Methionine sulfoxide?

D-Methionine sulfoxide has the molecular formula C5H11NO3S and a molecular weight of 165.21 g/mol. Its IUPAC name is (2R)-2-amino-4-methylsulfinylbutanoic acid.

What is D-Methionine sulfoxide used for?

D-Methionine sulfoxide 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 D-Methionine sulfoxide can I order?

We supply D-Methionine sulfoxide 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 D-Methionine sulfoxide?

Yes. Every lot of D-Methionine sulfoxide 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 D-Methionine sulfoxide be shipped internationally?

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