Standard:company standard. Main assay is not less than 98.0%, Related substance is not more than 2.0%.

Introduction: It is made of APT and Met, is one kind of biological active molecule, It can be used in the therapy of depression, arthritis, chronic hepatitis and cholestasia; moreover, it can be used in the preventation of liver cancer, or relieve the poisoning of chemicals, alcohol and cancer to liver, improve the curing of wound and growth of cartilage tissue; it also can adjust the function of nerve centre system.

Packing:5Kg/drum, 10Kg/drum, 25Kg/drum

Product Name: S-Adenosyl-Methionine 1,4-Butanedisulfonate SAMe SD4 29908-03-0, 101020-79-5

ITEMS	SPECIFICATION
Appearance	Almost white powder, hygroscopic, soluble in water
Identification	Positive
Acid Value	1.5 ~ 2.5
Clarity and Color of solution	Not more intensely colored than reference solution Y1
Heavy Metals	≤10.0ppm
Water	≤3.0%
Endotoxin	≤0.3EU/mg
Microbiological	≤1000CFU/g
S-adenosyl-L-Homocystein	≤0.5%
Methithioadenosine	≤1.0%
Adenine	≤0.5%
Related Substance	The sum area of unknown impurities must be not more than 1.5 times of reference solution main peak's (1.5%)
(S,S) Isomer	≥65.0%
Butanedisulfonate(on dry basis)	46.0~ 49.0%
Ademetionine(on dry basis)	50.0 ~ 53.0%
Total Content(on dry basis)	≥97.5%

1kg/drum, 25kg/carton 

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The production, managerment follows strictly ISO9001:2000 regulation. On 21 Dec 2007, the company obtained the ISO certificate issued by CCIC.