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Cytosine
| Molecular formula: | C4H5N3O |
| Molecular weight: | 111.11 |
| CAS NO.: | 71-30-7 |
| Structure formula: | |
| Description: | white or almost white crystalline powder |
| Loss on drying: | ≤0.5% |
| Residue on ignition: | ≤0.1% |
| Heavy metals: | ≤10ppm |
| Assay(HPLC): | ≥99.0% |
| Packing: | 25kg/ barrel |
| Complies with Tianfeng Standard | |
| Storage: | Keep dry, stable at room temperature |