Urapidil Impurity 29 CAS 21103-25-3
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 21103-25-3 |
| Molecular Formula | C14H19N3O |
| Molecular Weight | 245.32 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Urapidil Impurity 29 (CAS 21103-25-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C14H19N3O. Molecular weight: 245.32 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C14H19N3O |
| Molecular Weight | 245.32 g/mol |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1963 |
| Nitrogen Atoms | 3 |
Related Urapidil Standards
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Recommended Standards
- Propranolol Impurity 8 (CAS 2111-24-2)
- (S)-2,5-diamino-N-((S)-4,5-diamino-5-oxopentyl)pentanamide (CAS CATO-C4X-253627)
- Venlafaxine Impurity 34 (CAS 93413-76-4)
- Brexpiprazole impurity 104 (CAS CATO-C4X-1131104)
- Olmesartan impurity 104 (CAS 2163824-95-9)
- 2-(m-Tolyl)-1,2,4-triazine-3,5(2H,4H)-dione (CAS 55784-52-6)
- 3-Bromo-2-chloro-5-(trifluoromethyl)acetophenone (CAS 1807042-85-8)
- 4-bromo-3-(chlorosulfonyl)-5-methylbenzoic acid (CAS 849333-58-0)
- Ethyl 4,5-bis(4-methoxyphenyl)thiazole-2-carboxylate (CAS 130717-61-2)
- Semaglutide impurity 32 (CAS CATO-C4X-222632)
Why CATO?
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