
N-Acetyl-L-Cysteine CAS 616-91-1
Identification
CAS Number
616-91-1
Name
N-Acetyl-L-Cysteine
Synonyms
DL-N-Acetylcysteine
2-(acetylamino)-3-sulfanylpropanoic acid
2-(Acetylamino)-3-sulfanylpropansäure [German]
7218-04-4 [RN]
Acetylcysteine [BAN] [INN] [USAN] [Wiki]
acide 2-(acétylamino)-3-sulfanylpropanoïque [French]
Cysteine, N-acetyl- [ACD/Index Name]
N-ACETYL-3-MERCAPTOALANINE
N-Acetylcystein [German] [ACD/IUPAC Name]
N-Acetylcysteine [ACD/IUPAC Name]
N-Acétylcystéine [French] [ACD/IUPAC Name]
N-Acetyl-D-cysteine [ACD/IUPAC Name]
(S)-2-Acetamido-3-mercaptopropanoic acid
(Z)-N-(1-Hydroxyethylidene)cysteine [ACD/IUPAC Name]
210-498-3 [EINECS]
247-470-5 [EINECS]
26117-28-2 [RN]
2-Acetamido-3-mercaptopropanoic acid
2-acetamido-3-sulfanylpropanoic acid
2-Acetamido-3-sulfanyl-propanoic acid
2-Acetylamino-3-mercapto-propionic acid
616-91-1 [RN]
63664-54-0 [RN]
acetilcisteína [Portuguese]
Brunac
CPD1G-185
DB06151
Fabrol
Fluatox
Fluimicil Infantil
Fluprowit
Inspir
L-Cysteine, N-acetyl-,
MFCD00004880 [MDL number]
MFCD00151956 [MDL number]
Muco sanigen
Mucocedyl
Mucofilin
Mucolator
Mucolyticum
Mucolyticum Lappe
Mucret
N-acetyl cysteine
N-Acetyl-cysteine
N-acetyl-DL-cysteine
NAC-TB
Neo-fluimucil
Tixair
Untitled Document-83
WLN: SH1YVQMV1 -L
SMILES
CC(=O)NC(CS)C(=O)O
StdInChI
InChI=1S/C5H9NO3S/c1-3(7)6-4(2-10)5(8)9/h4,10H,2H2,1H3,(H,6,7)(H,8,9)
StdInChIKey
PWKSKIMOESPYIA-UHFFFAOYSA-N
Molecular Formula
HSCH2CH(NHCOCH3)CO2H
Molecular Weight
163.19
EINECS
210-498-3
Beilstein Registry Number
1724426
MDL Number
MFCD00004880
Properties
Appearance
White crystals or crystalline powder
Melting Point
106-108 °C (lit.)
Safety Data
RIDADR
NONH for all modes of transport
WGK Germany
2
Specifications and Other Information of Our N-Acetyl-L-Cysteine CAS 616-91-1
Identification Methods
HNMR, HPLC
Assay
98.0%~102.0%
Specific Optical Rotation
+21.0o ~ +27.0o
Heavy Metals
≤10ppm
Loss on Drying
≤1.0%
Residue on Ignition
≤0.5%
pH Value
2.0~2.8
Shelf Life
2 years
Storage
Store at 2-8℃ and away from light
Known Application
N-Acetylcysteine is used as a sputum dissolving agent and an antidote for acetaminophen, arsenic and mercury poisoning. It can also protect the liver against the toxic effects of alcohol and reduce the toxic side effects of cancer drugs.