Tacrolimus 3-(2-(4-hydroxy-3-methoxycyclohexyl)-1-methylethenyl)-14,16-dimethoxy-9,10,12, CAS:109581-93-3
Production name | Tacrolimus |
CAS No. | 109581-93-3 |
Appearance | White crystalline powder |
Molecular Formula | C44H71NO13 |
Molecular Weight | 822.033 |
Assay | 99% |
Items | Specifications | Result |
Appearance | White or almost white crystalline powder | Conform |
Identification | IR HPLC |
Conform Conform |
Water | 1.6% to 3.0% Max | 2.2% |
Residue on Ignition | 0.2% Max | 0.02% |
Heavy Metals | 20 PPM Max | Conform |
Ascomucin | 0.8% Max | 0.68% |
Related Substances | Dihydrotacrolimus 0.6% Max Total Impurities 1.5% Max |
0.46% 0.17% |
Residual Solvents | Aceton 2000PPM Max Ethanol 2000PPM Max |
Not Detected Not Detected |
Assay (dried basis) | 98% to 102% | 99.1% |
Conclusion | Conform with the Standards |
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