6-Bromopyridazine-4-carboxylic acid CAS 1402665-33-1
| CAS No. | 1402665-33-1 |
| Molecular Formula | C5H3BrN2O2 |
| Molecular Weight | 202.99 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 6-Bromopyridazine-4-carboxylic acid (CAS 1402665-33-1), a certified reference material (molecular formula C5H3BrN2O2, MW 202.99 g/mol) for analytical method development and quality control.
6-Bromopyridazine-4-carboxylic acid (C5H3BrN2O2) contains an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution. It is notably hygroscopic, halogen substitution raises its density and boiling point, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C5H3BrN2O2 |
| Molecular Weight | 202.99 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 sealed and dry, 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; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1991 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
Related Bromopyridazine Standards
- 5-Bromopyridazine-4-carboxylic acid (CAS 1807215-47-9)
- 6-bromopyridazine-3-carboxylic acid (CAS 65202-51-9)
- 6-Bromopyridazine-3-carboxamide (CAS 1421313-70-3)
- 4-Bromopyridazine-3,6-diol (CAS 43068-41-3)
- 4-Bromopyridazine-3,6-diol (CAS 15456-86-7)
- methyl 5-bromopyridazine-3-carboxylate (CAS 1256826-30-8)
- Methyl 6-Bromopyridazine-3-carboxylate (CAS 65202-52-0)
- 3-Bromopyridazine-3-carbaldehyde (CAS 1797102-23-8)
Recommended Standards
- 2-Bromopyrimidine-5-carboxylic acid (CAS 1224885-47-5)
- 4-Bromopyrimidine-5-carboxylic acid (CAS 1522059-70-6)
- 2-Bromopyrimidine-4-carboxylic Acid (CAS 1211515-50-2)
- 6-Bromopyrimidine-4-carboxylic acid (CAS 1555494-28-4)
- 6-Iodo-5-methoxynicotinic acid (CAS 1956366-51-0)
- 2-Octyl-2,3-dihydrobenzofuran-5-ol (CAS 172083-58-8)
- 5,5-bis(propan-2-yl)imidazolidine-2,4-dione (CAS 52532-01-1)
- 1-(4-Fluorophenyl)-5-(trifluoromethyl)-1h-1,2,3-triazole-4-carboxylic acid (CAS 1221725-96-7)
- 4-Bromo-2-(dimethylphosphoryl)benzonitrile (CAS 2287315-21-1)
- 2-Methyl-1,3-dioxolane-2-propanoic Acid (CAS 4388-57-2)
- Tert-butyl (2-amino-6-bromophenyl)carbamate (CAS 1017781-88-2)
- 2-Amino-7-(dimethylamino)-4-(3-(trifluoromethyl)phenyl)-4H-chromene-3-carbonitrile (CAS 331859-86-0)
- Zinc(II) (R,Z)-12-hydroxyoctadec-9-enoate (CAS 13040-19-2)
- Insulin Degludec Impurity 9 (CAS CATO-C4X-21579)
Why CATO?
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