21-Bromo-2,3,5,6,8,9,11,12,14,15,17,18-dodecahydrobenzo[b][1,4,7,10,13,16,19]heptaoxacyclohenicosine CAS 120434-44-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 120434-44-8 |
| Molecular Formula | C18H27BrO7 |
| Molecular Weight | 435.31 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
21-Bromo-2,3,5,6,8,9,11,12,14,15,17,18-dodecahydrobenzo[b][1,4,7,10,13,16,19]heptaoxacyclohenicosine (CAS 120434-44-8) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C18H27BrO7. Molecular weight: 435.31 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C18H27BrO7 |
| Molecular Weight | 435.31 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at room temperature, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Halogen Content | Br-containing |
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- 2-Bromo-N-(3-(5,7-dimethylbenzo[d]oxazol-2-yl)-2-methylphenyl)benzamide (CAS 590395-78-1)
- Methyl 3-bromo-5-(((trifluoromethyl)sulfonyl)oxy)-4-(trimethylsilyl)benzoate (CAS 1242069-32-4)
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Recommended Standards
- Melphalan Impurity 26 (CAS CATO-C4X-198826)
- (S)-Benzyl 3-(5-bromopyridin-2-yl)-2-((tert-butoxycarbonyl)amino)propanoate (CAS 1263377-53-2)
- Baclofen Impurity 69 (CAS CATO-C4X-101269)
- 5-Cyano-2-hydroxybenzoic acid (CAS 10435-57-1)
- Benzyl ((1-((S)-2-amino-3-methylbutanoyl)pyrrolidin-2-yl)methyl)(isopropyl)carbamate (CAS 1354033-44-5)
- (R)-3-((((9H-fluoren-9-yl)methoxy)carbonyl)amino)-2-([1,1'-biphenyl]-2-ylmethyl)propanoic acid (CAS 1260587-16-3)
- 2-(3,4-Dichlorophenyl)-2-(methylamino)acetic acid (CAS 1218475-73-0)
- 5-(Aminomethyl)-1,2-oxazole-3-carboxamide (CAS 740783-92-0)
- 3-Ethyltetrahydro-2h-pyran-3-carbonitrile (CAS 1693580-31-2)
- Semaglutide impurity 276 (CAS CATO-C4X-2226276)
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