China S-Adenosyl-L-Methionine Disulfate Tosylate (SAMe) USP Standard, Find details about China Health Care, Raw Materials from S-Adenosyl-L-Methionine Disulfate Tosylate (SAMe) USP Standard
Analytical Items | Standard | |
Appearance | Almost white powder, Soluble in water | |
Identification | 1) Chemical reaction | |
2) IR:consistent with the spectrum obtained with reference substance | ||
3) HPLC:the retention time of a major peak meets the 1.0-2.0 | ||
Acid value | 1.0-2.0 | |
Clarity and color of solution | Not more intensely colored than reference solution Y2 | |
Heavy metals | ≤ 10ppm | |
Water | ≤ 2.5% | |
S-adenosyl-L-Homocysteine | ≤ 0.5% | |
Methylthioadenosine | ≤ 2.0% | |
Adenine | ≤ 0.5% | |
Total Yeasts and Molds | ≤ 100cfu/g | |
Total bacterial count | ≤ 1000cfu/g | |
(S,S)Isomer | ≥ 60.0% | |
Endotoxin | ≤ 0.3EU/mg | |
P-toluenesulfonati cacid | 21.0%~24.0% (basis on dried) | |
Sulfates | 23.5%~26.5% (basis on dried) | |
Ademetionine | ≥ 49.5% (basis on dried) | |
Residue on Ignition | ≤ 0.5% | |
Total content | ≥ 96.0% |