N-Acetyl-L-cysteine

SIAL/A7250 - Sigma Grade, ≥99% (TLC), powder

Synonym: LNAC; NAC

CAS Number: 616-91-1
Empirical Formula (Hill Notation): C₅H₉NO₃S
Molecular Weight: 163.19
EC Number: 210-498-3
MDL Number: MFCD00004880
Linear Formula: HSCH₂CH(NHCOCH₃)CO₂H
Product Type: Chemical

Catalog Number	PKG Qty.	Price


45-A7250-5G	5 g	$40.50 1/EA	Add To Favorites
45-A7250-10G	10 g	$46.70 1/EA	Add To Favorites
45-A7250-25G	25 g	$80.00 1/EA	Add To Favorites
45-A7250-50G	50 g	$143.00 1/EA	Add To Favorites
45-A7250-100G	100 g	$226.00 1/EA	Add To Favorites
45-A7250-500G	500 g	$786.00 1/EA	Add To Favorites
45-A7250-1KG	1 kg	$1040.00 1/EA	Add To Favorites

This picture is provided solely for illustration purposes. Optical properties of the actual product may deviate. Relevant product information is printed on labeled products and other accompanying or available information material.

This image depicts SKU: A7250-100G

Properties
Descriptions
Safety Info.
Basic Data

application(s)	cell analysis
assay	≥99% (TLC)
color	white to off-white
form	powder
grade	Sigma Grade
InChI	1S/C5H9NO3S/c1-3(7)6-4(2-10)5(8)9/h4,10H,2H2,1H3,(H,6,7)(H,8,9)/t4-/m0/s1
InChI key	PWKSKIMOESPYIA-BYPYZUCNSA-N
mp	106-108 °C (lit.)
Quality Level	200
SMILES string	CC(=O)N[C@@H](CS)C(O)=O
solubility	H₂O: 100 mg/mL (with heating)
storage temp.	2-8°C

Application:	N-Acetyl-L-cysteine has been used to suppress oxygen-dependent hydroxyurea sensitivity in Saccharomyces cerevisiae. It has also been used as an antioxidant for the treatment of C2C12 murine myoblasts.
Biochem/physiol Actions:	Antioxidant and mucolytic agent. Increases cellular pools of free radical scavengers. Reported to prevent apoptosis in neuronal cells but induce apoptosis in smooth muscle cells. Inhibits HIV replication. May serve as a substrate for microsomal glutathione transferase.
Packaging:	1 kg in poly bottle
Packaging:	5, 10, 25, 50, 100, 500 g in poly bottle

Symbol	GHS07
Signal word	Warning
Hazard statements	H319
Precautionary statements	P264 - P280 - P305 + P351 + P338 - P337 + P313
RIDADR	NONH for all modes of transport
WGK Germany	WGK 2
Flash Point(F)	Not applicable
Flash Point(C)	Not applicable

Purity	≥99% (TLC)
mp	106-108 °C (lit.)
Storage Temp.	2-8°C
UNSPSC	12352209

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