N-Acetyl-L-cysteine, USP

Name: N-Acetyl-L-cysteine, USP
Brand: Vaqora Chemicals
SKU: VQ-046738

About N-Acetyl-L-cysteine, USP

Listed under CAS 616-91-1, N-Acetyl-L-cysteine is an amino acid derivative available from Vaqora Chemicals (USP grade). With the molecular formula C5H9NO3S, it has a molar mass of 163.2 g/mol. The IUPAC name is (2R)-2-acetamido-3-sulfanylpropanoic acid. It is also known as acetylcysteine or N-Acetylcysteine.

Keep the container tightly sealed and store it in a cool, dry area. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

Key uses span peptide synthesis, cell culture media and biochemical research. Typical end-use sectors are academic and industrial research and diagnostics and biotechnology.

Available in 5 g, 10 g, 25 g and 100 g packs, N-Acetyl-L-cysteine is dispatched with a Certificate of Analysis (COA) to destinations worldwide. SDS and detailed specification sheets can be requested with your quotation.

Typical applications

Peptide synthesis
Cell culture media
Biochemical research

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	N-Acetyl-L-cysteine, USP
Catalogue No.	VQ-046738
CAS Number	616-91-1
IUPAC name	(2R)-2-acetamido-3-sulfanylpropanoic acid
Molecular formula	C₅H₉NO₃S
Molecular weight	163.2 g/mol
Exact mass	163.0303
Grade	USP
HSN code	29309040
InChIKey	PWKSKIMOESPYIA-BYPYZUCNSA-N
SMILES	CC(=O)N[C@@H](CS)C(=O)O
PubChem CID	12035

Physical properties
Physical form	Other
LogP (XLogP3)	0.4
H-bond donors / acceptors	3 / 4
TPSA	67.4 Å²
Synonyms	acetylcysteine, 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-

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H319Causes serious eye irritation

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

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

Other grades of CAS 616-91-1

Biochemistry

N-Acetyl-L-cysteine, 99% (90% pass through 20 mesh)

CAS: 616-91-1
Formula: C₅H₉NO₃S
MW: 163.2 g/mol

VQ-002159

Biochemistry

N-Acetyl-L-cysteine, 99% (90% pass through 80 mesh)

CAS: 616-91-1
Formula: C₅H₉NO₃S
MW: 163.2 g/mol

VQ-002160

BP/USP/EP / Cell Cult…

N-Acetyl-L-cysteine, BP/USP/EP, cell culture tested

CAS: 616-91-1
Formula: C₅H₉NO₃S
MW: 163.2 g/mol

VQ-046076

Cell Culture

N-Acetyl-L-cysteine, cell culture tested

CAS: 616-91-1
Formula: C₅H₉NO₃S
MW: 163.2 g/mol

VQ-046346

Molecular Biology

N-Acetyl-L-cysteine, for molecular biology, ≥99%

CAS: 616-91-1
Formula: C₅H₉NO₃S
MW: 163.2 g/mol

VQ-002161

Frequently asked questions

What is the CAS number of N-Acetyl-L-cysteine, USP?

The CAS Registry Number of N-Acetyl-L-cysteine, USP is 616-91-1. It is also known as acetylcysteine, N-Acetylcysteine, mercapturic acid.

What is the molecular formula and molecular weight of N-Acetyl-L-cysteine, USP?

N-Acetyl-L-cysteine, USP has the molecular formula C5H9NO3S and a molecular weight of 163.2 g/mol. Its IUPAC name is (2R)-2-acetamido-3-sulfanylpropanoic acid.

Which grade and pack sizes of N-Acetyl-L-cysteine, USP can I order?

We supply N-Acetyl-L-cysteine, USP in USP grade, in 5 g, 10 g, 25 g, 100 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with N-Acetyl-L-cysteine, USP?

Yes. Every lot of N-Acetyl-L-cysteine, USP 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 N-Acetyl-L-cysteine, USP be shipped internationally?

Yes. N-Acetyl-L-cysteine, USP 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.