N-乙酰-L-半胱氨酸 N-Acetyl-L-Cysteine 616-91-1

INCI名称：

乙酰半胱氨酸

英文名称：

ACETYL CYSTEINE

CAS号：

616-91-1

HS编码

2930909099

化学式：

C₅H₉NO₃S

分子量：

163.20

中文别名：

N-乙酰-L-半胱氨酸;

N-乙酰基-L-半胱氨酸;

N-乙酰半胱氨酸

英文别名：

N-ACETYL-L-CYSTEINE

N-acetyl-L-cysteine;

N-acetyl-(R)-cysteine;

Naaxia;

ACETYL-D-E;

(R)-2-Acetamido-3-mercaptopropanoic acid;

AC-ASP-GLU H2O;

N-Acetyl-cysteine;

N-acetylcycteine;

Isospaglumic acid;

NAAGA;

L-N-acetyl-cysteine;

AC-ASP-GLU-OH;

Acetylcysteine;

(2R)-2-acetylamino-2-carboxyethanethiol;

N-acetyl-L-aspartyl-L-glutamate;

N-acetyl-L-aspartyl-L-glutamic acid;

AC-ASP-GLU;

SPAGLUMIC ACID;

N-acetyl-aspartatylglutamate;

N-Acetyl-L-Cysteine;

NAAG

指    标

Specification

标  准

Standard

外观 Appearance

白色或类白色结晶性粉末White or almost white crystalline powder

溶液外观

Appearance of the Solution

透明无色至浅黄色Transparent colorless to light yellow

pH值 pH value

2.0~2.8

比旋度 Specification Rotation

+21.0°~+27.0°

熔点 Melting Point

104～110℃

干燥失重 Loss on Drying

≤1.0%

灼烧残渣 Residue on Ignition

≤0.5%

氯化物Chloride

≤10ppm

硫酸盐sulfate

≤10ppm

重金属（铅） Heavy metal(Lead)

≤10ppm

铁盐 Ironic Salt

≤10ppm

含量 Assay(drying basis)

98.0~102.0%

微生物检测 Microbial Test

总菌数 Total Aerobic

≤1000cfu/g

霉菌和酵母 Yeast ＆ Mold

≤100cfu/g

大肠杆菌 E.coli

Negative

沙门氏菌 Salmonella

Negative

Package: In 25Kg net per fiber drum, inner polythene bags. We can provide the packing as per your request.