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Supply High Purity 99% CAS 22457-89-2 Benfotiamine Powder | ||
Product Name | Benfotiamine | |
CAS No. | 22457-89-2 | |
MF | C19H23N4O6PS | |
EINECS No. | 245-013-4 |
Test Item | Analysis Specification | Result | |
Description | White to almost white crystal | White to almost white crystal | |
Identification | A: IR spectra shows the similarity between sample and standard B: The retention time of the major peak corresponds with it of the reference standard | Complies Complies | |
Solution color and clearness | Colorless to pale-yellow clear solution | Complies | |
Chlorides | Not more than 0.053% | <0.053% | |
Sulphate | Not more than 0.011% | <0.011% | |
Loss on drying | Not more than 1.5% | 0.66% | |
Heavy metals | Not more than 0.002% | <0.002% | |
Related Substances | TMP :Not more than 0.15% Benzoic acid :not more than0.1% Amide: not more than 0.40% Single unknown impurity: not more than0.1% Thiamine: not more than0.1% Total impurities: Not more than 1.5% | <0.025% No detectable 0.06% 0.08% No detectable 0.33% | |
Residual solvents | Dichloromethane: not more than 600ppm Isopropanol: not more than300ppm | No detectable 64ppm | |
Microbial limits | Total bacteria: not more than100cfu/g Yeast and mould: not more than50cfu/g Escherichia coli: no detectable | <10 cfu/g <10 cfu/g No detectable | |
Assay(Dry Basis) | 98.0%~102.0% | 99.2% | |
Conclusion | Complies with company Standard. |
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