Business Type:Trading Company
Product Certification&
Enterprise Certification
Country: China (Mainland)
Business Type:Trading Company
CAS NO.101020-79-5
A(1-2)Kilogram
Item |
Specifications |
Results |
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Appearance |
White or kind of white powder |
White powder |
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Identification |
IR |
The infrared spectra of samples shall be the same reference substance |
Conforms |
|
UV |
Have the largest at the wavelength of 258 nm absorption, at the wavelength of 227 nm with minimum absorption |
Conforms |
||
HPLC |
Record chromatograph chart under the content determination, the main peak retention time samples should is consistent with the reference substance |
Conforms |
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Clarity and color of solution |
Should clarify the colorless, such as turbidity, compared with 1 turbidity standard solution, shall be stronger: such as color, compared with yellow 2 standard colorimetric solution, shall be deeper |
Conforms |
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Specific rotation |
+28°~+34° |
+30.4° |
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Moisture |
≤3.0% |
2.40% |
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PH(0.4% aqueous solution) |
1.8~2.5 |
2.33 |
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Ignition residue |
≤0.1%(injection);≤0.2%(profess to convinced) |
0.05% |
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Heavy metal |
≤10ppm |
<10ppm |
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SAMe content(In anhydride,HPLC) |
50.0%-54.0% |
51.6% |
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Related substances |
Adenine |
≤0.5% |
0.01% |
|
5'-DEOXY-S-ADENOSYL-L-HOMOCYSTEINE |
≤0.5% |
<0.01% |
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Methylthioadenosine |
≤0.5% |
0.08% |
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IP-5 |
≤1.5% |
0.75% |
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Other individual impurity |
≤0.1% |
0.04% |
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Other impurities total |
≤1.0% |
0.13% |
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Total impurities |
≤2.5% |
0.97% |
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(S, S) - isomer |
60.0%~75.0% |
68.4% |
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1, 4 - succinic acid (with no water meter, IC) |
46.0~49.0% |
46.5% |
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Total content |
≥97.0% |
98.1% |
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Bacterial endotoxin |
≤0.25EU/mg (injection) |
<0.25EU/mg |
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Microbial limit test |
Total bacterial count |
≤200CFU/g |
20 CFU/g |
|
Yeast and Mold |
≤100CFU/g |
28 CFU/g |
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Escherichia coli |
Not detected |
Conforms |
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Conclusion |
The results conforms with enterprise standards |