N-Acetyl-L-Cysteine USP

Synonyms

LNAC, NAC, N – Acetyl Cysteine

Technical Data

CAS Number: 616-91-1
Molecular Formula: HSCH2CH(NHCOCH3)CO2H
Molecular Weight: 163.19
Beilstein Registry Number: 1724426
EC Number: 210-498-3

FabriChem Specifications

ITEMSPECIFICATIONS
AppearanceWhite crystals or crystalline powder
Identification (IR)Compares to Standard
Assay98.5 – 101.0%
Specific Rotation [ α ]D25+21.0 ~ +27.0
State of Solution (Transmittance)Clear and Colorless
98.0% Min.
Chloride (Cl)0.04% Max.
Ammonium (NH4)0.02% Max.
Sulfate (SO4)0.030% Max.
Iron (Fe)20 ppm Max.
Loss on Drying0.5% Max.
Residue on Ignition (Sulfated)0.2% Max.
pH2.0 – 2.8
Heavy Metals (Pb)10 ppm Max.
Arsenic (as As2O3)1 ppm Max.
Lead3.7 ppm Max.
Microbiology:
Total Plate Count1,000 CFU/g Max.
Yeast/Mold100 CFU/g Max.
E. ColiNegative
SalmonellaNegative
ColiformsNegative

Molecular Structure

n-acetyl-l-cysteine-usp-structure

About

N-Acetyl-L-Cysteine is an anti-oxidant and mucolytic agent. N-Acetyl-L-Cysteine increases cellular pools of free radical scavengers.

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