Ropivacaine Impurity 19 CAS 1817657-89-8
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 1817657-89-8 |
| Molecular Formula | C12H18N2O2 |
| Molecular Weight | 222.28 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Ropivacaine Impurity 19 (CAS 1817657-89-8) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C12H18N2O2. Molecular weight: 222.28 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C12H18N2O2 |
| Molecular Weight | 222.28 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Nitrogen Atoms | 2 |
Related Ropivacaine Standards
- Ropivacaine Impurity 24 (CAS 36588-46-2)
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- Ropivacaine impurity 30 (CAS CATO-C4X-175330)
- Ropivacaine EP Impurity B (CAS 27262-40-4)
- Ropivacaine Impurity 20 (CAS CATO-C4X-175320)
- Ropivacaine Impurity 32 (CAS 99552-32-6)
- Ropivacaine Impurity 36 (CAS 780736-98-3)
- Ropivacaine Impurity 37 (CAS 1583238-33-8)
Recommended Standards
- Oxymetazoline Impurity 19 (CAS 1895424-66-4)
- Propofol Impurity 61 (CAS CATO-C4X-147361)
- Butylphthalide Impurity 48 (CAS 952413-01-3)
- Clofarabine Impurity 8 (CAS CATO-C4X-15938)
- Halometasone Impurity 9 (CAS CATO-C4X-14469)
- 8-(2-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl]amino}ethyl)-2,4,5,8,10-pentaazatricyclo[7.4.0.0^{2,6}]trideca-1(9),3,5,10,12-pentaen-7-one (CAS 338412-01-4)
- 5,6-Dibromo-N-methyl-1h-indole-3-carboxamide (CAS 1424507-07-2)
- 3-Bromo-5-methylsulfanylpyridine (CAS 142137-18-6)
- (R)-2-(((benzyloxy)carbonyl)amino)-3-(3-fluorophenyl)propanoic acid (CAS 49759-66-2)
- Semaglutide Impurity 185 (CAS CATO-C4X-2226185)
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