4-Bromo-5,6-dihydro-2H-pyran-3-carboxaldehyde CAS 904744-54-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 904744-54-3 |
| Molecular Formula | C6H7BrO2 |
| Molecular Weight | 191.02 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Bromo-5,6-dihydro-2H-pyran-3-carboxaldehyde (CAS 904744-54-3) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C6H7BrO2. Molecular weight: 191.02 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C6H7BrO2 |
| Molecular Weight | 191.02 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep tightly closed to prevent evaporation |
| 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Br-containing |
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Recommended Standards
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- (6-Chloro-4-(trifluoromethyl)pyridin-2-yl)methanamine (CAS 862120-77-2)
- 3,5-dimethoxyphenyl 2,4,6-trimethoxybenzoate (CAS CATO-C3D-25796)
- Ethyl (1-amino-2,4-dioxo-1,2,3,4-tetrahydropyrimidine-5-carbonyl)carbamate (CAS 400077-88-5)
- Galanin Message Associated Peptide (44-59) amide (CAS 125455-59-6)
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