5-Bromo-4-chloropyrimidine CAS 56181-39-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 56181-39-6 |
| Molecular Formula | C4H2BrClN2 |
| Molecular Weight | 193.43 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 5-Bromo-4-chloropyrimidine (CAS 56181-39-6), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C4H2BrClN2. Molecular weight: 193.43 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C4H2BrClN2 |
| Molecular Weight | 193.43 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.) | 1973 |
| Halogen Content | Cl/Br-containing |
| Nitrogen Atoms | 2 |
Related Bromo Standards
- 2-bromo-3-chloro-pyrazine (CAS 1206250-01-2)
- 2-Bromo-5-chloropyrimidine (CAS 124405-67-0)
- 4-Bromo-5-chloropyrimidine (CAS 1261628-82-3)
- 4-Bromo-6-chloropyrimidine (CAS 126401-90-9)
- 4-Bromo-3-chloropyridazine (CAS 1393545-85-1)
- 2-Bromo-5-chloropyrazine (CAS 912773-21-8)
- 3-Bromo-6-chloropyridazine (CAS 89089-18-9)
- 4-Bromo-2-chloropyrimidine (CAS 885702-34-1)
Recommended Standards
- 5-Bromo-2-chloropyrimidine (CAS 32779-36-5)
- (2-chloro-5-methoxy-4-pyridyl)boronic acid (CAS 1072945-98-2)
- (6-chloro-2-methoxy-3-pyridyl)boronic acid (CAS 1072946-50-9)
- (4-(((tert-Butyldiphenylsilyl)oxy)methyl)phenyl)methanol (CAS 146952-73-0)
- 3-(5-Bromo-3-methyl-1H-pyrazolo[3,4-b]pyridin-1-yl)tetrahydrothiophene 1,1-dioxide (CAS 1016857-76-3)
- 7'-Chloro-2',3'-dihydro-1'H-spiro[cyclopropane-1,4'-[2,6]naphthyridin]-1'-one (CAS 2851437-76-6)
- 2-{[(5-bromo-3-methylpyridin-2-yl)amino]methyl}-6-methoxyphenol (CAS 298217-68-2)
- 1,3-Thiazole-4-carboxylic acid hydrochloride (CAS 397867-89-9)
- (2R,5R)-5-Hydroxy-1,2-piperidinedicarboxylic acid2-methyl 1-benzylester (CAS 797801-68-4)
- Semaglutide Impurity 166 (CAS 1395881-03-4)
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