Pharmaceutical grade amino acids L-Cysteine Hydrochloride Monohydrate USP27

Brief Description
CAS No.: 7048-04-6 MF: C3H8ClNO2S.H2O EINECS No.: 200-157-7
Place of Origin: Hubei China (Mainland) Type: Anesthetic Agents, Antibiotic and Antimic... Grade Standard: Cosmetic Grade, Feed Grade, Foo...
Usage: Animal Pharmaceuticals Brand Name: Soleado Purity: 99.4%
Delivery Terms & Packaging
Packaging Detail:25kg/drum
Delivery Detail:7days
Specifications
Pharmaceutical grade amino acids L-Cysteine Hydrochloride Monohydrate USP27

1.Assay:99.4%
2.Synonyms:Cysteine,hydrochloride, monohydrate, L- (8CI)
3.CAS NO:7048-04-6

Item

Specification(USP27)

Result

Description

White crystals or crystalline Powder.

Strongly acid taste.,Very soluble in water.

conforms

Identification

Compare the infrared absorption spectrum of the sample with that of the standard by

potassium bromide disc method.

conforms

Specific rotation [α]25D

+5.7to+6.8°

+5.8°

Sulfate(SO4)

Not more than 0.03%

Not more than 0.01%

Iron(Fe)

Not more than 0.003%

Not more than 0.003%

Heavy metals(Pb)

Not more than 0.0015%

Not more than 0.0010%

Loss on drying

8.0to12.0%

11.5%

Residue on ignition(sulfated)

Not more than 0.4%

0.1%

O.V.I.

Meets the requirements

Meets the requirements

Assay

98.5to101.5%

99.4%

Chromatographic purity

Not more than 0.5% of any individual impurity is found

Not more than 2.0%of total impurities is found

Match