Changzhou Comwin Fine Chemicals Co., Ltd.
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Items | Specification | Appearance | White crystalline powder | Related Substances (%) | Ordinary impurity, TLC: NMT 1.0% Guanine NMT 0.7% | Water | NMT 0.25% | Related substance | Related compound A NMT 0.1% Any other impurity NMT 0.08% Total impurity NMT 0.5% | Residual solvents | Tetrahydrofuran NMT 720ppm Ethyl acetate NMT 5000ppm | Assay (%) | 98.0%~102.0% | Standard | USP42 |
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