| Specification |
|
| Name |
Warfarin Sodium USP. (3-(a-Acetonylbenzyl) -4-hydroxycoumarin Sodium Salt) |
| Formula |
C19H15NaO4 |
| CAS NO. |
[129-06-6] |
| M.Wt |
330.31 |
| Description |
Crystalline Clathrate |
| Identification |
i) By IR Spectra
ii) By MR 157°-167°c,melting range not to exceed 4°C |
| pH |
7.2 – 8.3 (1% solution in Water) |
| Water ,by KF |
NMT 0.3% |
| Heavy metals |
NMT 0.001% |
| Absorbance in Alkaline Solution(1in20) |
NMT 0.1 at 385nm |
| |
| Purity by HPLC |
|
| i) Individual Impurity |
NMT 0.3% |
| ii)Total Impurities |
NMT 1.0% |
| Assay by HPLC |
97.0 – 102.0% |
| IPA Content by GC |
8.0 - 8.5% |
