| Synonyms |
N, N-Diethyl Urea N-(3-Acetyl-4-Hydroxy Phenyl) |
Molecular Formula
|
C13H18N2O3 |
| Molecular Weight |
250.13 |
| CAS Number |
79881-89-3 |
| S. No. |
Test |
Specification |
| 1 |
Description |
A pale yellow to light brown crystalline powder |
| 2 |
Solubility |
Soluble in acetone,chloroform,benzene and insoluble in water |
| 3 |
Identification by IR |
IR spectrum of sample should be similar to in-house standard. |
| 4 |
Loss on drying
|
Not more than 1.0% |
| 5 |
Melting range in degree centrigrade |
140 - 142 |
| 6 |
Sulphated ash |
Not more than 0.2% |
| 7 |
Related impurities by HPLC |
|
| a) Individual impurity |
Not more than 1.0% |
| b) Total impurity |
Not more than 1.5% |
| 8 |
Purity by HPLC |
Not less than 98.5% |
| 9 |
End use |
Intermediate for Celiprolol |
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