4,5-Dibromo-1H-pyrazole-3-carbaldehyde CAS 1934271-86-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1934271-86-9 |
| Molecular Formula | C4H2Br2N2O |
| Molecular Weight | 253.88 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 4,5-Dibromo-1H-pyrazole-3-carbaldehyde (CAS 1934271-86-9), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C4H2Br2N2O. Molecular weight: 253.88 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C4H2Br2N2O |
| Molecular Weight | 253.88 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1996 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
Related Dibromo Standards
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- 3,5-Dibromo-2H-pyran-2-one (CAS 19978-41-7)
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Recommended Standards
- (Z)-4-Bromo-5-(bromomethylene)furan-2(5H)-one (CAS 247167-54-0)
- 5,6-Dibromopyrimidin-2(1H)-one (CAS 1023812-18-1)
- 3,4-Dibromofuran-2-carbaldehyde (CAS 32460-03-0)
- Relebactam Impurity 143 (CAS CATO-C4X-2144143)
- 1-(6-(5-Aminopyrazin-2-yl)pyridin-3-yl)cyclobutanecarbonitrile (CAS 1369513-84-7)
- N-(4-Methoxyphenyl)-2-oxo-1,2-dihydroquinoline-3-carboxamide (CAS 62033-70-9)
- Ethyl 2-methyl-[1,1'-biphenyl]-3-carboxylate (CAS 1256482-06-0)
- N1-(4-Cyclopropyl-6-(trifluoromethyl)pyrimidin-2-yl)ethane-1,2-diamine (CAS 869950-19-6)
- N-((1-Benzylpiperidin-4-yl)methyl)-2-chloro-N-methylacetamide (CAS 1353965-88-4)
- Cholecystokinin Octapeptide (1-3) (desulfated) H-Asp-Tyr-Met-OH (CAS 121880-94-2)
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