Urapidil Impurity 73 CAS 21236-97-5
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 21236-97-5 |
| Molecular Formula | C5H7N3O2 |
| Molecular Weight | 141.13 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Urapidil Impurity 73 (CAS 21236-97-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C5H7N3O2. Molecular weight: 141.13 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C5H7N3O2 |
| Molecular Weight | 141.13 g/mol |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1963 |
| Nitrogen Atoms | 3 |
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- 2-Amino-N-[3-(dimethylamino)propyl]acetamidedihydrochloride (CAS 1220029-29-7)
- ([13C6]Leu14)-Glucagon (1-29) (human, rat, porcine) trifluoroacetate salt (CAS 1802078-39-2)
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