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Amino Acids & Derivatives

N-Acetyl-L-cysteine, USP

USPAvailable on request

Order N-Acetyl-L-cysteine, USP (CAS 616-91-1) online at Zemixal. Lab and bulk packs, batch COA, fast global delivery. Quotes within one business day.

Pack sizes
N-Acetyl-L-cysteine, USP chemical structure
CAS number616-91-1
FormulaC5H9NO3S
Molar mass163.2 g/mol
HS code29309040
InChIKeyPWKSKIMOESPYIA-BYPYZUCNSA-N
IUPAC name(2R)-2-acetamido-3-sulfanylpropanoic acid

About N-Acetyl-L-cysteine, USP

N-Acetyl-L-cysteine, USP is part of the Zemixal amino Acids & Derivatives range. Key data (USP): CAS 616-91-1, formula C5H9NO3S and molar mass 163.2 g/mol.

Where it is used

  • Peptide synthesis
  • Cell culture media
  • Biochemical research

Handling and storage

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

Order it in 5 g, 10 g, 25 g and 100 g packs or ask for a bulk quotation. Every shipment includes a batch certificate of analysis and a 16-section SDS. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Typical uses

  • Peptide synthesis
  • Cell culture media
  • Biochemical research

Applications

Diagnostics, Life Science and BiotechResearch Labs and Universities

Grade guides

USP Grade (United States Pharmacopeia)

Specifications and identifiers

Specifications of N-Acetyl-L-cysteine, USP
Product nameN-Acetyl-L-cysteine, USP
Catalogue numberZX-038217
CAS number616-91-1
IUPAC name(2R)-2-acetamido-3-sulfanylpropanoic acid
Molecular formulaC5H9NO3S
Molar mass163.2 g/mol
Exact mass163.0303
GradeUSP
XLogP30.4
H-bond donors / acceptors3 / 4
Topological polar surface area67.4 Ų
HS code29309040
InChIKeyPWKSKIMOESPYIA-BYPYZUCNSA-N
SMILESCC(=O)N[C@@H](CS)C(=O)O
PubChem CID12035
Synonymsacetylcysteine, N-Acetylcysteine, mercapturic acid, L-Acetylcysteine, Fluimucetin, N-Acetyl cysteine, Syntemucol, Neo-fluimucil, L-Cysteine, N-acetyl-, Mucolyticum-Lappe, N-Acetyl-3-mercaptoalanine, Cysteine, N-acetyl-, L-

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, USP
5 gQuoted on request
10 gQuoted on request
25 gQuoted on request
100 gQuoted 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, USP

Which CAS number identifies N-Acetyl-L-cysteine, USP?
N-Acetyl-L-cysteine, USP is registered under CAS 616-91-1. You may also see it listed as acetylcysteine, N-Acetylcysteine, mercapturic acid. Our catalogue number for this item is ZX-038217.
What are the formula and molar mass of N-Acetyl-L-cysteine, USP?
For N-Acetyl-L-cysteine, USP, its formula is C5H9NO3S and its molar mass is 163.2 g/mol. The systematic (IUPAC) name is (2R)-2-acetamido-3-sulfanylpropanoic acid. InChIKey PWKSKIMOESPYIA-BYPYZUCNSA-N lets you match it in any structure database.
What grade and pack sizes are available for N-Acetyl-L-cysteine, USP?
This listing is USP grade. Standard packs are 5 g, 10 g, 25 g, 100 g. Larger quantities and custom packing can be quoted on request.
Which documents come with N-Acetyl-L-cysteine, USP?
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, USP to my country?
Yes. Because N-Acetyl-L-cysteine, USP 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.

Other grades with CAS 616-91-1

All 6 grades

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