N-Acetyl-L-cysteine, for molecular biology, ≥… 616-91-1

Name: N-Acetyl-L-cysteine, for molecular biology, ≥99%
Brand: Vaqora Chemicals
SKU: VQ-002161

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

Vaqora Chemicals supplies N-Acetyl-L-cysteine (Molecular Biology grade), an amino acid derivative registered under CAS number 616-91-1 with a typical assay of ≥99%. Its molecular formula is C5H9NO3S and its molecular weight is 163.2 g/mol. Its systematic (IUPAC) name is (2R)-2-acetamido-3-sulfanylpropanoic acid. Common synonyms include LNAC and NAC.

It is supplied as a white to off-white powder. Key physical data: a melting point of 106-108 °C. Store sealed in a dry, well-ventilated location away from incompatible materials. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

Typical applications include peptide synthesis, cell culture media, biochemical research and pharmaceutical synthesis. It is used across academic and industrial research and diagnostics and biotechnology.

Vaqora Chemicals supplies N-Acetyl-L-cysteine in 10 g, 100 g, 1 kg and 25 kg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

Peptide synthesis
Cell culture media
Biochemical research
Pharmaceutical synthesis

Industries

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	N-Acetyl-L-cysteine, for molecular biology, ≥99%
Catalogue No.	VQ-002161
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	Molecular Biology
Purity / assay	≥99%
HSN code	29309040
InChIKey	PWKSKIMOESPYIA-BYPYZUCNSA-N
SMILES	CC(=O)N[C@@H](CS)C(=O)O
PubChem CID	12035

Physical properties
Physical form	Powder
Appearance	White to off-white powder
Melting point	106-108 °C
LogP (XLogP3)	0.4
H-bond donors / acceptors	3 / 4
TPSA	67.4 Å²
Synonyms	LNAC, NAC, acetylcysteine, N-Acetylcysteine, mercapturic acid, L-Acetylcysteine, Fluimucetin, N-Acetyl cysteine, Syntemucol, Neo-fluimucil, L-Cysteine, N-acetyl-, Mucolyticum-Lappe

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

USP

N-Acetyl-L-cysteine, USP

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

VQ-046738

Frequently asked questions

What is the CAS number of N-Acetyl-L-cysteine, for molecular biology, ≥99%?

The CAS Registry Number of N-Acetyl-L-cysteine, for molecular biology, ≥99% is 616-91-1. It is also known as LNAC, NAC, acetylcysteine.

What is the molecular formula and molecular weight of N-Acetyl-L-cysteine, for molecular biology, ≥99%?

N-Acetyl-L-cysteine, for molecular biology, ≥99% 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, for molecular biology, ≥99% can I order?

We supply N-Acetyl-L-cysteine, for molecular biology, ≥99% in Molecular Biology (≥99%) grade, in 10 g, 100 g, 1 kg, 25 kg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with N-Acetyl-L-cysteine, for molecular biology, ≥99%?

Yes. Every lot of N-Acetyl-L-cysteine, for molecular biology, ≥99% 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, for molecular biology, ≥99% be shipped internationally?

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