DL-Methionine Sulfoxide

Name: DL-Methionine Sulfoxide
Brand: Zemixal
SKU: ZX-039422

Reference StandardAvailable on request

Buy DL-Methionine Sulfoxide (CAS 62697-73-8) from Zemixal: C5H11NO3S, COA and SDS with every lot, worldwide shipping. Catalogue no. ZX-039422.

Pack sizes

DL-Methionine Sulfoxide chemical structure

CAS number62697-73-8

FormulaC₅H₁₁NO₃S

Molar mass165.21 g/mol

Physical formSolid

HS code38229090

InChIKeyQEFRNWWLZKMPFJ-UHFFFAOYSA-N

IUPAC name2-amino-4-methylsulfinylbutanoic acid

About DL-Methionine Sulfoxide

DL-Methionine Sulfoxide belongs to the Methionine reference-standard family in the Zemixal catalogue. Identity at a glance (Reference Standard): CAS 62697-73-8, formula C5H11NO3S and molar mass 165.21 g/mol. It is handled as a solid.

Where it is used

Metabolite identification
Stability-indicating methods
Impurity profiling

Storage and safety notes

It carries the GHS signal word Warning (H315, H319 and H335), so wear gloves and eye protection and work with good ventilation.

Order it in 10 mg, 25 mg, 50 mg and 100 mg packs or ask for a bulk quotation. Each lot travels with a certificate of analysis with characterisation data. Request pricing online and we confirm availability, documentation and freight to your country.

Reference standards for Methionine

See every impurity, metabolite and related compound we list for this API.

Methionine standards

Typical uses

Metabolite identification
Stability-indicating methods
Impurity profiling

Applications

Pharmaceutical Manufacturing and QC Research Labs and Universities

Specifications and identifiers

Specifications of DL-Methionine Sulfoxide
Product name	DL-Methionine Sulfoxide
Catalogue number	ZX-039422
CAS number	62697-73-8
IUPAC name	2-amino-4-methylsulfinylbutanoic acid
Molecular formula	C₅H₁₁NO₃S
Molar mass	165.21 g/mol
Exact mass	165.046
Grade	Reference Standard
Physical form	Solid
XLogP3	-4.1
H-bond donors / acceptors	2 / 5
Topological polar surface area	99.6 Å²
HS code	38229090
InChIKey	QEFRNWWLZKMPFJ-UHFFFAOYSA-N
SMILES	CS(=O)CCC(C(=O)O)N
PubChem CID	847
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

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

Irritant or harmful

Signal word Warning

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 summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of DL-Methionine Sulfoxide
10 mg	Quoted on request
25 mg	Quoted on request
50 mg	Quoted on request
100 mg	Quoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about DL-Methionine Sulfoxide

Which CAS number identifies DL-Methionine Sulfoxide?

DL-Methionine Sulfoxide is registered under CAS 62697-73-8. You may also see it listed as methionine sulfoxide, dl-, Methionine, S-oxide, 2-Amino-4-(methylsulfinyl)butyric acid. Our catalogue number for this item is ZX-039422.

What are the formula and molar mass of DL-Methionine Sulfoxide?

For DL-Methionine Sulfoxide, its formula is C5H11NO3S and its molar mass is 165.21 g/mol. The systematic (IUPAC) name is 2-amino-4-methylsulfinylbutanoic acid. InChIKey QEFRNWWLZKMPFJ-UHFFFAOYSA-N lets you match it in any structure database.

How is DL-Methionine Sulfoxide used in pharmaceutical QC?

DL-Methionine Sulfoxide is a characterised reference material linked to Methionine. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.

What grade and pack sizes are available for DL-Methionine Sulfoxide?

This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.

Which documents come with DL-Methionine Sulfoxide?

Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.

Can Zemixal ship DL-Methionine Sulfoxide to my country?

Yes. Because DL-Methionine Sulfoxide is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

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