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Stable Isotope Labelled Standards (Deuterated, 13C, 15N)

N-Acetyl-L-Cysteine-d3

Reference StandardAvailable on request

N-Acetyl-L-Cysteine-d3 (CAS 131685-11-5) supplier Zemixal. Lab and bulk packs, batch COA, fast global delivery. Catalogue no. ZX-027882.

Pack sizes
N-Acetyl-L-Cysteine-d3 chemical structure
CAS number131685-11-5
FormulaC5H9NO3S
Molar mass166.22 g/mol
Physical formSolid
HS code38229090
InChIKeyPWKSKIMOESPYIA-OSIBIXDNSA-N
IUPAC name(2R)-3-sulfanyl-2-[(2,2,2-trideuterioacetyl)amino]propanoic acid

About N-Acetyl-L-Cysteine-d3

N-Acetyl-L-Cysteine-d3 is supplied by Zemixal as a characterised reference material for Acetylcysteine analysis. Identity at a glance (Reference Standard): CAS 131685-11-5, formula C5H9NO3S and molar mass 166.22 g/mol. It is handled as a solid.

Typical applications

  • LC-MS/MS internal standard
  • Bioanalytical quantitation
  • Pharmacokinetic studies

Safe handling

It carries the GHS signal word Warning (H319), 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. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Reference standards for Acetylcysteine

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

Acetylcysteine standards

Typical uses

  • LC-MS/MS internal standard
  • Bioanalytical quantitation
  • Pharmacokinetic studies

Applications

Pharmaceutical Manufacturing and QCResearch Labs and Universities

Grade guides

Deuterated and Stable-Isotope-Labelled Compounds

Specifications and identifiers

Specifications of N-Acetyl-L-Cysteine-d3
Product nameN-Acetyl-L-Cysteine-d3
Catalogue numberZX-027882
CAS number131685-11-5
IUPAC name(2R)-3-sulfanyl-2-[(2,2,2-trideuterioacetyl)amino]propanoic acid
Molecular formulaC5H9NO3S
Molar mass166.22 g/mol
Exact mass166.0491
GradeReference Standard
Physical formSolid
XLogP30.4
H-bond donors / acceptors3 / 4
Topological polar surface area67.4 Ų
HS code38229090
InChIKeyPWKSKIMOESPYIA-OSIBIXDNSA-N
SMILES[2H]C([2H])([2H])C(=O)N[C@@H](CS)C(=O)O
PubChem CID54211755
SynonymsAcetylcysteine-D3, (2R)-3-sulfanyl-2-((2,2,2-trideuterioacetyl)amino)propanoic acid, N-Acetyl-d3-L-cysteine, L-Cysteine, N-(acetyl-d3)- (9CI), N-Acetylcysteine-d3, (acetyl-d3)-L-cysteine, N-trideuteroacetyl-l-cysteine, TMID-1053

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

Safety and GHS hazards

GHS07 Irritant or harmful
Irritant or harmful

Signal word Warning

  • H319Causes serious eye irritation

Precautionary statements P264 + P265, P280, P305 + P351 + P338, P337 + P317

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 N-Acetyl-L-Cysteine-d3
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request

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

Questions about N-Acetyl-L-Cysteine-d3

Which CAS number identifies N-Acetyl-L-Cysteine-d3?
N-Acetyl-L-Cysteine-d3 is registered under CAS 131685-11-5. You may also see it listed as Acetylcysteine-D3, (2R)-3-sulfanyl-2-((2,2,2-trideuterioacetyl)amino)propanoic acid, N-Acetyl-d3-L-cysteine. Our catalogue number for this item is ZX-027882.
What are the formula and molar mass of N-Acetyl-L-Cysteine-d3?
For N-Acetyl-L-Cysteine-d3, its formula is C5H9NO3S and its molar mass is 166.22 g/mol. The systematic (IUPAC) name is (2R)-3-sulfanyl-2-[(2,2,2-trideuterioacetyl)amino]propanoic acid. InChIKey PWKSKIMOESPYIA-OSIBIXDNSA-N lets you match it in any structure database.
How is N-Acetyl-L-Cysteine-d3 used in pharmaceutical QC?
N-Acetyl-L-Cysteine-d3 is a characterised reference material linked to Acetylcysteine. 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 N-Acetyl-L-Cysteine-d3?
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 N-Acetyl-L-Cysteine-d3?
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 N-Acetyl-L-Cysteine-d3 to my country?
Yes. Because N-Acetyl-L-Cysteine-d3 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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