Home    Food Additives    N-acetyl-L-cysteine powder USP CP antioxidant cas 616-91-1
虎杖提取物白藜芦醇-白藜芦醇

N-acetyl-L-cysteine powder USP CP antioxidant cas 616-91-1

n-acetyl-l-cysteine usp

N-acetyl-L-cysteine powder USP  CP antioxidant cas 616-91-1

The N-acetyl derivative of CYSTEINE. It is used as a mucolytic agent to reduce the viscosity of mucous secretions. It has also been shown to have antiviral effects in patients with HIV due to inhibition of viral stimulation by reactive oxygen intermediates.

Application

N-Acetyl-L-cysteine has been used to suppress oxygen-dependent hydroxyurea sensitivity in Saccharomyces cerevisiae.[1] It has also been used as an antioxidant for the treatment of C2C12 murine myoblasts

Items

 Specifications

 

Appearance

White crystals or crystalline powder

Identification

 

Meets the requirements

Assay

98.0~102.0%

Residue on ignition

≤0.5%

Heavy metals(Pb)

≤10ppm

 

25

Specific rotation [α]D

+21°~+27°

pH 

2.0~2.8

Loss on drying

≤1.0%

.

Molecular Formula: C5H9NO3S

Chemical Name: N-acetyl-L-(+)-cysteine

Molecular Weight: 163.191

EINECS: 210-498-3CAS # 616-91-1, N-Acetyl-cysteine, N-Acetyl-L-(+)-cysteine

 

 

Characteristics: White crystals or crystalline powder. Freely soluble in water, soluble in ehanol, Practically insoluble ether.

Packaging and Storage: 25kg/drum. Preserve in well-closed containers, at controlled room temperature.

Recommended limit:1 Year

assay   ≥99% (TLC)
form   powder
mp   106-108 °C (lit.)
solubility   H2O: 100 mg/mL (with heating)
storage temp.   2-8°C
本网站由阿里云提供云计算及安全服务 Powered by CloudDream