16-Bromo-13-ethyl-3-methoxygona-1,3,5(10)-trien-17-one Cyclic 1,2-Ethanediyl Acetal CAS 171035-03-3
| CAS No. | 171035-03-3 |
| Molecular Formula | C22H29BrO3 |
| Molecular Weight | 421.37 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 16-Bromo-13-ethyl-3-methoxygona-1,3,5(10)-trien-17-one Cyclic 1,2-Ethanediyl Acetal under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
16-Bromo-13-ethyl-3-methoxygona-1,3,5(10)-trien-17-one Cyclic 1,2-Ethanediyl Acetal (CAS 171035-03-3) is a high-purity analytical reference standard with the molecular formula C22H29BrO3 and a molecular weight of 421.37 g/mol.
Based on its molecular formula C22H29BrO3, 16-Bromo-13-ethyl-3-methoxygona-1,3,5(10)-trien-17-one Cyclic 1,2-Ethanediyl Acetal contains a steroid core, a hydroxyl group, an ether linkage, bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 421.37 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C22H29BrO3 |
| Molecular Weight | 421.37 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at room temperature, 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2005 |
| Halogen Content | Br-containing |
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- n,n-Dimethyl-3-(piperidin-3-yl)propan-1-amine (CAS 122373-84-6)
- Ethyl 2-((5-(p-tolyl)-1,3,4-oxadiazol-2-yl)thio)acetate (CAS 84160-40-7)
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- Celecoxib Impurity 60 (CAS CATO-C4X-104360)
- 4,5-Dichloro-2-(methylsulfonyl)pyrimidine (CAS 1803805-58-4)
- (3-Amino-5-chlorophenyl)methanol (CAS 79944-63-1)
- Tirzepatide Impurity 21 X TFA Salt (CAS CATO-C4X-324021)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com