9-Bromo-16α,17-epoxy-11β-hydroxyprogesterone CAS 110053-24-2
| CAS No. | 110053-24-2 |
| Molecular Formula | C21H27BrO4 |
| Molecular Weight | 423.34 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to a flavonoid core, a hydroxyl group, an ether linkage, bromine substitution, 9-Bromo-16α,17-epoxy-11β-hydroxyprogesterone is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 423.34 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
9-Bromo-16α,17-epoxy-11β-hydroxyprogesterone (CAS 110053-24-2) is a high-purity analytical reference standard with the molecular formula C21H27BrO4 and a molecular weight of 423.34 g/mol.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), 9-Bromo-16α,17-epoxy-11β-hydroxyprogesterone meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C21H27BrO4 |
| Molecular Weight | 423.34 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.) | 1988 |
| Halogen Content | Br-containing |
Related Bromo Standards
- 1-{4'-Bromo-[1,1'-biphenyl]-4-sulfonamido}cyclopentane-1-carboxamide (CAS 1253528-21-0)
- 4-Bromo-2,5-dimethoxy-N-(3-morpholinopropyl)benzenesulfonamide (CAS 898647-75-1)
- 4-((3-Bromo-4-hydroxy-5-methoxybenzylidene)amino)-3-(2-fluorophenyl)-1H-1,2,4-triazole-5(4H)-thione (CAS 677738-00-0)
- 4-((3-Bromo-4-hydroxy-5-methoxybenzylidene)amino)-3-(4-fluorophenyl)-1H-1,2,4-triazole-5(4H)-thione (CAS 578718-42-0)
- 2-Bromo-1,3-bis(3,4-dimethoxyphenyl)propane-1,3-dione (CAS 832738-21-3)
- 1-Bromo-10,12-pentacosadiyne (CAS 94598-32-0)
- 2-(3-((4-Bromo-2-chlorophenoxy)methyl)phenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 2246646-61-5)
- 3-Bromo-7-(5-(2,4-dichlorophenyl)furan-2-yl)-2-methylpyrazolo[1,5-a]pyrimidine (CAS 865657-81-4)
Recommended Standards
- Baclofen Impurity 67 (CAS CATO-C4X-101267)
- [4-[Bis(diethoxyphosphoryl)methyl]phenyl] carbamate (CAS 117758-87-9)
- 5-methylnaphthalene-1-carboxylic acid (CAS 4527-60-0)
- 4-[1-[4-(2-Bromoethoxy)phenyl]-2-phenyl-1-buten-1-yl]phenol (CAS 147323-02-2)
- 1189891-99-3 N-Acetyl Sulfamethazine-d4 (CAS 1189891-99-3)
- 6-Chloro-2-(4-isopropoxyphenyl)quinoline-4-carbonyl chloride (CAS 1160263-39-7)
- 2,3-Dihydrobenzo[b][1,4]dioxine-2-carbaldehyde (CAS 64179-67-5)
- tert-Butyl (3-Oxopyrazolidin-4-yl)carbamate (CAS 106693-44-1)
- 1-(Difluoromethyl)-2-fluoro-3-iodobenzene (CAS 1261479-13-3)
- Methyl 7-amino-2-naphthoate (CAS 812690-23-6)
- 5-methyl-3H,4H-pyrrolo[2,1-f][1,2,4]triazin-4-one (CAS 529508-54-1)
- Cefotaxime Impurity 63 (CAS CATO-C4X-120163)
- Ethyl 5-methyl-4-oxohexanoate (CAS 54857-48-6)
- SV40 Nuclear Transport Signal Peptide Analog (CAS 104914-40-1)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com