Short Description:
CAS Number: 30516-87-1
Molecular Formula: C10H13N5O4
Standard: USP32
Package: 25kg/drum
Description:
CAS Number: 30516-87-1
Molecular Formula: C10H13N5O4
Standard: USP32
Package: 25kg/drum
| ITEM | LIMIT |
| Appearance | A white or almost white crystalline powder |
| Identification | By HPLC |
| Specific rotation | +60.5° ~ +63.0° |
| Solubility | Freely soluble in Methanol; soluble in ethanol and sparingly soluble in water |
| Water | NMT 1.0% |
| Related substances (HPLC) | Thymine |
| NMT 2.0% | |
| 3-chloro-3-deoxythymidine | NMT 1.0% |
| Total impurities | NMT 3.0% |
| Related substances (TLC) | |
| Triphenylmethanol | NMT 0.5% |
| Other single impurity | NMT 0.5% |
| Total impurities | NMT 3.0% |
| Heavy Metals | NMT 20ppm |
| Loss on drying | NMT 0.5% |
| OVI/Residual solvent | |
| Toluene | NMT 0.006% |
| Methanol | NMT 0.06% |
| Ethyl acetate | NMT 0.10% |
| DMSO | NMT 0.05% |
| Residue on ignition | NMT 0.25% |
| Assay | 97.0% ~ 102.0% (dried basis) |
