DL-Methionine Sulfoxide

Name: DL-Methionine Sulfoxide
Brand: Vaqora Chemicals
SKU: VQ-049067

About DL-Methionine Sulfoxide

Vaqora Chemicals supplies DL-Methionine Sulfoxide, a metabolite or degradation product of Methionine registered under CAS number 62697-73-8. The compound has the formula C5H11NO3S, corresponding to a molecular weight of 165.21 g/mol. The IUPAC name is 2-amino-4-methylsulfinylbutanoic acid. It is also known as methionine sulfoxide, dl- or Methionine, S-oxide.

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. It carries the GHS signal word “Warning” with 3 hazard statements. Review the Safety Data Sheet before use.

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.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, DL-Methionine Sulfoxide is dispatched with a Certificate of Analysis (COA) to destinations 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	DL-Methionine Sulfoxide
Catalogue No.	VQ-049067
CAS Number	62697-73-8
IUPAC name	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-UHFFFAOYSA-N
SMILES	CS(=O)CCC(C(=O)O)N
PubChem CID	847

Physical properties
Physical form	Solid
LogP (XLogP3)	-4.1
H-bond donors / acceptors	2 / 5
TPSA	99.6 Å²
Synonyms	methionine sulfoxide, dl-, Methionine, S-oxide, 2-Amino-4-(methylsulfinyl)butyric acid, 2-Amino-4-(methylsulphinyl)butyric acid, 2-amino-4-methylsulfinyl-butanoic acid, (1)-2-Amino-4-(methylsulphinyl)butyric acid, L-methionine-S-sulfoxide, dl-methionine sulphoxide, (S)-2-Amino-4-((R)-methylsulfinyl)butanoic acid, H-DL-Met(O)-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 DL-Methionine Sulfoxide?

The CAS Registry Number of DL-Methionine Sulfoxide is 62697-73-8. It is also known as methionine sulfoxide, dl-, Methionine, S-oxide, 2-Amino-4-(methylsulfinyl)butyric acid.

What is the molecular formula and molecular weight of DL-Methionine Sulfoxide?

DL-Methionine Sulfoxide has the molecular formula C5H11NO3S and a molecular weight of 165.21 g/mol. Its IUPAC name is 2-amino-4-methylsulfinylbutanoic acid.

What is DL-Methionine Sulfoxide used for?

DL-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 DL-Methionine Sulfoxide can I order?

We supply DL-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 DL-Methionine Sulfoxide?

Yes. Every lot of DL-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 DL-Methionine Sulfoxide be shipped internationally?

Yes. DL-Methionine Sulfoxide 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.