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VAQORACHEMICALS
API ImpuritiesReference StandardAvailable on request

(S)-2-Acetamido-4-(methylsulfonyl)Butanoic acid

Synonyms: N-acetylmethionine sulfone · (2S)-2-acetamido-4-methanesulfonylbutanoic acid · n-acetyl-l-methionine sulfone · (2S)-2-acetamido-4-(methylsulfonyl)butanoic acid

CAS No.134870-73-8
FormulaC7H13NO5S
Mol. weight223.25
Catalogue No.VQ-045103
PurityReference Standard
HSN38229090

(S)-2-Acetamido-4-(methylsulfonyl)Butanoic acid (CAS 134870-73-8) – Methionine impurity standard. C7H13NO5S, MW 223.25. With COA, ships worldwide.

Pack sizesPrice on quotation · bulk available
10 mg
25 mg
50 mg
100 mg
Bulk / custom pack · kg to MT
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Batch COA with every lot
16-section GHS SDS
Export to 120+ countries
DG-compliant packing

About (S)-2-Acetamido-4-(methylsulfonyl)Butanoic acid

(S)-2-Acetamido-4-(methylsulfonyl)Butanoic acid (CAS 134870-73-8) is an impurity of Methionine offered by Vaqora Chemicals. The compound has the formula C7H13NO5S, corresponding to a molecular weight of 223.25 g/mol. Systematically, it is named (2S)-2-acetamido-4-methylsulfonylbutanoic acid. Common synonyms include N-acetylmethionine sulfone and n-acetyl-l-methionine sulfone.

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

Pharmaceutical QC and development laboratories use this impurity standard of Methionine to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. Buyers come mainly from 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(S)-2-Acetamido-4-(methylsulfonyl)Butanoic acid
Catalogue No.VQ-045103
CAS Number134870-73-8
IUPAC name(2S)-2-acetamido-4-methylsulfonylbutanoic acid
Molecular formulaC7H13NO5S
Molecular weight223.25 g/mol
Exact mass223.0514
GradeReference Standard
HSN code38229090
InChIKeyIVORICMEPQUECP-LURJTMIESA-N
SMILESCC(=O)N[C@@H](CCS(=O)(=O)C)C(=O)O
PubChem CID15703351
Physical properties
Physical formSolid
LogP (XLogP3)-1.1
H-bond donors / acceptors2 / 5
TPSA109 Ų
SynonymsN-acetylmethionine sulfone, (2S)-2-acetamido-4-methanesulfonylbutanoic acid, n-acetyl-l-methionine sulfone, (2S)-2-acetamido-4-(methylsulfonyl)butanoic acid, (2S)-2-acetamido-4-(methanesulfonyl)butanoic acid

Documents

Frequently asked questions

What is the CAS number of (S)-2-Acetamido-4-(methylsulfonyl)Butanoic acid?

The CAS Registry Number of (S)-2-Acetamido-4-(methylsulfonyl)Butanoic acid is 134870-73-8. It is also known as N-acetylmethionine sulfone, (2S)-2-acetamido-4-methanesulfonylbutanoic acid, n-acetyl-l-methionine sulfone.

What is the molecular formula and molecular weight of (S)-2-Acetamido-4-(methylsulfonyl)Butanoic acid?

(S)-2-Acetamido-4-(methylsulfonyl)Butanoic acid has the molecular formula C7H13NO5S and a molecular weight of 223.25 g/mol. Its IUPAC name is (2S)-2-acetamido-4-methylsulfonylbutanoic acid.

What is (S)-2-Acetamido-4-(methylsulfonyl)Butanoic acid used for?

(S)-2-Acetamido-4-(methylsulfonyl)Butanoic acid 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 (S)-2-Acetamido-4-(methylsulfonyl)Butanoic acid can I order?

We supply (S)-2-Acetamido-4-(methylsulfonyl)Butanoic acid 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 (S)-2-Acetamido-4-(methylsulfonyl)Butanoic acid?

Yes. Every lot of (S)-2-Acetamido-4-(methylsulfonyl)Butanoic acid 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 (S)-2-Acetamido-4-(methylsulfonyl)Butanoic acid be shipped internationally?

Yes. We export (S)-2-Acetamido-4-(methylsulfonyl)Butanoic acid worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.

Enquire about (S)-2-Acetamido-4-(methylsulfonyl)Butanoic acid

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Why buyers choose Vaqora

  • Batch-traceable lots with COA
  • R&D packs to multi-tonne supply
  • IATA / IMDG dangerous-goods packing
  • EXW, FOB, CIF, DAP Incoterms
  • Custom synthesis & sourcing
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