Tetrabenazine Impurity C82 CAS 149183-89-1
| CAS No. | 149183-89-1 |
| Molecular Formula | C18H25NO3 |
| Molecular Weight | 303.40 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Tetrabenazine Impurity C82 (CAS 149183-89-1) is a certified pharmaceutical impurity reference standard with the molecular formula C18H25NO3 and a molecular weight of 303.40 g/mol.
Structurally, Tetrabenazine Impurity C82 (C18H25NO3) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 303.40 g/mol, it falls into the moderately-high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for quantitative analysis by HPLC, GC, LC-MS/MS, or GC-MS as an external calibration standard; it can also be used for spiked-recovery experiments, LOD/LOQ determination, and LC-MS/MS multiple-reaction-monitoring (MRM) calibration.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C18H25NO3 |
| Molecular Weight | 303.40 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; 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.) | 1999 |
| Nitrogen Atoms | 1 |
Related Tetrabenazine Standards
- Tetrabenazine Impurity 48 (CAS 1214267-46-5)
- Tetrabenazine Impurity 1 (CAS 1065193-59-0)
- Tetrabenazine Impurity 31-D3 (CAS CATO-C4X-274831)
- Tetrabenazine Impurity 32-D3 (CAS CATO-C4X-274832)
- Tetrabenazine Impurity 8 (CAS 2624055-86-1)
- Tetrabenazine Impurity C1327 (CAS 1556098-48-6)
- Tetrabenazine Impurity C298 (CAS 100322-43-8)
- Tetrabenazine Impurity C49 (CAS 1381929-92-5)
Recommended Standards
- (E)-1-Phenyl-4-((E)-1,3,3-trimethylindolin-2-ylidene)but-2-en-1-one (CAS 14575-25-8)
- (1R,2S)-2-(Benzylamino)-1,2-diphenylethan-1-ol (CAS 153322-11-3)
- N-(3-(Furan-3-yl)-3-hydroxypropyl)adamantane-1-carboxamide (CAS 1428379-35-4)
- (1S,2R)-2-(Benzylamino)-1,2-diphenylethan-1-ol (CAS 153322-12-4)
- Teduglutide Impurity 2 (CAS CATO-C4X-23642)
- Oseltamivir Impurity 72 (CAS CATO-C4X-172072)
- Azilsartan Impurity N4 (CAS 146897-17-8)
- Ethyl N-(3,4,5,6-tetrahydro-2H-azepin-7-yl)-glycinate (CAS 1174374-29-8)
- 5-(4-Bromophenyl)-1-phenyl-1h-imidazole-2-thiol (CAS 1105189-61-4)
- Methyl 3-(2,6-dichlorophenyl)-5-(1-(4-fluorophenyl)-3-(trifluoromethyl)-1H-pyrazol-4-yl)isoxazole-4-carboxylate (CAS 321571-24-8)
- 4-(6-{[(4-chlorophenyl)sulfanyl]methyl}-2-methylpyrimidin-4-yl)morpholine (CAS 477866-84-5)
- Tert-butyl 4-hydroxy-4-(hydroxymethyl)-2,2-dimethylpiperidine-1-carboxylate (CAS 2387594-69-4)
- 5-(((Tert-butoxycarbonyl)amino)methyl)-2'-methyl-[1,1'-biphenyl]-2-carboxylic acid (CAS 817585-98-1)
- Uremic Pentapeptide (CAS 71494-20-7)
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