3-Bromo-6-methyl-2H-chromen-2-one CAS 20875-75-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 20875-75-6 |
| Molecular Formula | C10H7BrO2 |
| Molecular Weight | 239.07 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Bromo-6-methyl-2H-chromen-2-one (CAS 20875-75-6) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C10H7BrO2. Molecular weight: 239.07 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C10H7BrO2 |
| Molecular Weight | 239.07 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1962 |
| Halogen Content | Br-containing |
Related Bromo Standards
- 6-Bromo-7-methyl-1h-indazole-3-carbaldehyde (CAS 1000340-73-7)
- 4-Bromo-7-methyl-2H-indazole-3-carbaldehyde (CAS 1000340-81-7)
- 1-(4-Bromo-1H-pyrrolo[2,3-b]pyridin-1-yl)ethanone (CAS 1000340-84-0)
- 5-Bromo-6-methyl-7H-pyrrolo[2,3-b]pyridine-3-carbaldehyde (CAS 1000343-91-8)
- 5-(4-Bromo-2-methylphenyl)-1H-tetrazole (CAS 1007128-19-9)
- 1-{6-bromo-1H-pyrrolo[2,3-b]pyridin-3-yl}ethan-1-one (CAS 1011711-60-6)
- 5-bromo-2-(1H-1,2,4-triazol-1-yl)aniline (CAS 1016809-06-5)
- 7-Bromo-3-methylquinoxalin-2(1H)-one (CAS 103095-19-8)
Recommended Standards
- 3-Bromo-6-methoxy-1,8-naphthyridine (CAS 2225879-19-4)
- 3-Bromo-8-methoxy-1,5-naphthyridine (CAS 97267-63-5)
- 3-Bromo-4-(2-propynyloxy)benzaldehyde (CAS 428487-30-3)
- 1-Oxo-2,3-dihydro-1H-indene-5-carbaldehyde (CAS 1187196-52-6)
- 2-Methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1,3,4-thiadiazole (CAS 1234706-95-6)
- N-(3-Bromobenzyl)-2-chloro-N-methylacetamide (CAS 1183805-29-9)
- 2-((2,5-Dimethylbenzyl)thio)-3-(4-methoxyphenyl)-5,6,7,8-tetrahydrobenzo[4,5]thieno[2,3-d]pyrimidin-4(3H)-one (CAS 477328-99-7)
- 3,4-Dichlorobenzylisocyanide (CAS 602262-86-2)
- 1-(4-Fluoropyridin-3-yl)cyclopropan-1-amine (CAS 1060809-47-3)
- (Met(O)2?)-Glucagon (1-29) (human, rat, porcine) (CAS 75217-63-9)
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 13829788188 / jacky.chen@cato-chem.com