3-Bromo-2,3-dihydro-4H-benzo[h]chromen-4-one CAS 93416-98-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 93416-98-9 |
| Molecular Formula | C13H9BrO2 |
| Molecular Weight | 277.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 3-Bromo-2,3-dihydro-4H-benzo[h]chromen-4-one (CAS 93416-98-9), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C13H9BrO2. Molecular weight: 277.11 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C13H9BrO2 |
| Molecular Weight | 277.11 g/mol |
| Appearance | Pale yellow to 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1983 |
| Halogen Content | Br-containing |
Related Bromo Standards
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- 2-Bromo-1,4-bis(methoxymethoxy)benzene (CAS 131136-47-5)
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- 3-Bromo-5-(3,3-difluoropyrrolidin-1-ylmethyl)-pyridine (CAS 1428065-38-6)
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Recommended Standards
- 3'-Bromo-[1,1'-biphenyl]-4-carboxylic acid (CAS 5737-83-7)
- 3-Bromo-4,5,6-trimethoxy-2-methylphenol (CAS 918799-14-1)
- 2'-Bromo-[1,1'-biphenyl]-4-carboxylic acid (CAS 3808-94-4)
- 5-Bromo-2,3-dichloro-4-trifluoromethylpyridine (CAS 1349716-36-4)
- 4-(Difluoromethyl)-5-fluoro-6-(hydroxymethyl)pyridin-2-ol (CAS 1804701-62-9)
- 1-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)-3-morpholinopropan-1-one hydrochloride (CAS 22310-85-6)
- 1-(1-(Difluoromethyl)-1H-pyrazol-5-yl)-N-((1-ethyl-1H-pyrazol-4-yl)methyl)methanamine hydrochloride (CAS 1855939-03-5)
- [(2-bromoethoxy)methyl]cyclobutane (CAS 1909326-00-6)
- Disopyramide-D14 Tosylate (CAS 1216989-88-6)
- Semaglutide impurity 37 (CAS CATO-C4X-222637)
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 13829788188 / jacky.chen@cato-chem.com