L-Cystine

CAS No.: 56-89-3
Standard: AJI, USP, in-house

Function and application: It is mainly used in biochemical research, medicine for various alopecia, food seasoning, etc
Packaging: 25kg/bag(drum), others as required
MOQ：25kg
Shelf life: two years

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[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[[Product parameters, parameters]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]]

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CAS 号:

56-89-3

Specification:

L-Cystine	AJI92	USP28	In-house
Appearance	White crystalline or crystalline powder	White crystalline or crystalline powder	White crystalline or crystalline powder
Specific rotation	-215º~-225º	-215º~-225º	-215º~-225º
State of solution	≥98.0%	---	≥90.0%
Chloride(as Cl)	≤0.02%	≤0.05%	≤0.10%
Sulfate(SO4)	≤0.02%	≤0.04%	≤ 0.02%
铵盐	≤0.02%	---	---
Iron(Fe)	≤10ppm	≤30ppm	≤ 20ppm
Heavy metal (Pb)	≤10ppm	≤10ppm	≤ 10ppm
Arsenic(AS₂O₃)	≤1.0ppm	≤1.5ppm	≤ 1.0ppm
Loss on drying	≤0.20%	≤0.20%	≤ 0.20%
Residue on ignition	≤0.10%	≤0.40%	≤ 0.10%
pH	5.0~6.5	5.0~6.5	5.0~6.5
Assay	98.5%~101.5%	98.5~101.5%	98.5%~101.5%
Other amino acids	---	Conforms	Conforms

CONTACT US

Shijiazhuang Haitian Amino Acid Co., Ltd.

TEL：+86-311-88908111
FAX：+86-311-88901888
EMAIL：sales@aminoacidchem.com
ADD：Shijiazhuang City, Hebei,P. R. China.

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