6-Bromopyridazin-3(2H)-one CAS 51355-94-3
| CAS No. | 51355-94-3 |
| Molecular Formula | C4H3BrN2O |
| Molecular Weight | 174.98 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 6-Bromopyridazin-3(2H)-one under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
6-Bromopyridazin-3(2H)-one (CAS 51355-94-3) is a high-purity analytical reference standard with the molecular formula C4H3BrN2O and a molecular weight of 174.98 g/mol.
Based on its molecular formula C4H3BrN2O, 6-Bromopyridazin-3(2H)-one contains an amide group, a hydroxyl group, an ether linkage, bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 174.98 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C4H3BrN2O |
| Molecular Weight | 174.98 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| 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.) | 1971 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
Related Bromopyridazin Standards
- 5-Bromopyridazin-4-ol (CAS 1784428-43-8)
- 6-Bromopyridazin-4-ol (CAS 1956385-67-3)
- 4-Bromopyridazin-3(2H)-one (CAS 22626-56-8)
- 5-Bromopyridazin-3(2H)-one (CAS 67264-08-8)
- 4-Bromopyridazin-3-amine (CAS 1353101-33-3)
- 6-Bromopyridazin-4-amine (CAS 1379294-26-4)
- 3-Bromopyridazin-4-amine (CAS 55928-84-2)
- 5-Bromopyridazin-4-amine (CAS 55928-90-0)
Recommended Standards
- 5-Bromopyrimidine 1-oxide (CAS 36529-69-8)
- Furan-2-carbonyl bromide (CAS 58777-49-4)
- 5-Bromopyrimidin-2-ol (CAS 214290-49-0)
- 5-Bromofuran-3-carbaldehyde (CAS 63387-54-2)
- 2,4,6-tribromo-5-(trifluoromethyl)benzene-1,3-diamine (CAS 646989-62-0)
- Methyl 4-(2-oxoethyl)cyclohexane-1-carboxylate (CAS 1779506-65-8)
- 5-(Chloromethyl)-1-(3,4-difluorophenyl)-1h-tetrazole (CAS 941867-81-8)
- (5-(4-(methylsulfonyl)phenyl)-1H-imidazol-2-yl)methanamine (CAS 1156711-36-2)
- Dotinurad Impurity 19 (CAS CATO-C4X-249419)
- N-Benzyl N-Demethyl Trimebutine (CAS 1329834-94-7)
- 1-(6-aminopyridin-3-yl)ethan-1-one (CAS 19828-20-7)
- 4,4'-(6-Methylpyrimidine-2,4-diyl)dimorpholine (CAS 52026-44-5)
- 2,2,4-Trimethyl-6-trityl-1,2-dihydroquinoline (CAS 121983-02-6)
- Semaglutide impurity 84 (CAS CATO-C4X-222684)
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 18665070610 / Nicole.chen@cato-chem.com