N-Acetyl-L-cysteine, 99% (90% pass through 20… 616-91-1

Name: N-Acetyl-L-cysteine, 99% (90% pass through 20 mesh)
Brand: Vaqora Chemicals
SKU: VQ-002159

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

Listed under CAS 616-91-1, N-Acetyl-L-cysteine is an amino acid derivative available from Vaqora Chemicals (Biochemistry grade) at a purity of ≥99%. Formula C5H9NO3S, molecular weight 163.2 g/mol. Its systematic (IUPAC) name is (2R)-2-acetamido-3-sulfanylpropanoic acid. It is also known as LNAC or NAC.

The material typically appears as a white to almost white to off-white powder or crystalline powder. Key physical data: a melting point of 106~110 °C. Store in a tightly closed container in a cool, dry and well-ventilated place. It carries the GHS signal word “Warning” with 1 hazard statement. Review the Safety Data Sheet before use.

Typical applications include peptide synthesis, cell culture media, biochemical research and pharmaceutical synthesis. Buyers come mainly from academic and industrial research and diagnostics and biotechnology.

We offer N-Acetyl-L-cysteine in 10 g, 25 g, 100 g and 5 x 1 kg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Peptide synthesis
Cell culture media
Biochemical research
Pharmaceutical synthesis

Industries

Specifications & identifiers

Chemical identifiers
Product name	N-Acetyl-L-cysteine, 99% (90% pass through 20 mesh)
Catalogue No.	VQ-002159
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	Biochemistry
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 almost white to off-white powder or crystalline powder
Melting point	106~110 °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 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

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, 99% (90% pass through 20 mesh)?

The CAS Registry Number of N-Acetyl-L-cysteine, 99% (90% pass through 20 mesh) 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, 99% (90% pass through 20 mesh)?

N-Acetyl-L-cysteine, 99% (90% pass through 20 mesh) 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, 99% (90% pass through 20 mesh) can I order?

We supply N-Acetyl-L-cysteine, 99% (90% pass through 20 mesh) in Biochemistry (≥99%) grade, in 10 g, 25 g, 100 g, 5 x 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, 99% (90% pass through 20 mesh)?

Yes. Every lot of N-Acetyl-L-cysteine, 99% (90% pass through 20 mesh) 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, 99% (90% pass through 20 mesh) be shipped internationally?

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