methyl 5-bromo-1-methyl-6-oxo-pyridazine-3-carboxylate CAS 2091689-28-8
| CAS No. | 2091689-28-8 |
| Molecular Formula | C7H11BrN2O3 |
| Molecular Weight | 251.08 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 251.08 g/mol gives methyl 5-bromo-1-methyl-6-oxo-pyridazine-3-carboxylate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
methyl 5-bromo-1-methyl-6-oxo-pyridazine-3-carboxylate (CAS 2091689-28-8), molecular formula C7H11BrN2O3 and molecular weight 251.08 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, methyl 5-bromo-1-methyl-6-oxo-pyridazine-3-carboxylate (C7H11BrN2O3) contains an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 3.0, corresponding to approximately 3 ring(s) or double-bond equivalent(s). With a molecular weight of 251.08 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), methyl 5-bromo-1-methyl-6-oxo-pyridazine-3-carboxylate meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C7H11BrN2O3 |
| Molecular Weight | 251.08 g/mol |
| Appearance | 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 methanol, ethanol, DMSO, water |
| 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1997 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
Related methyl Standards
- 4-Bromo-2-naphthoic Acid (CAS 1013-80-5)
- 5-Bromo-2-naphthoic Acid (CAS 1013-83-8)
- 2-Bromo-3-(pyridin-2-yloxy)pyridine (CAS 1065484-62-9)
- 5-Bromo-2h-[1,2'-bipyridin]-2-one (CAS 109822-11-9)
- 4-Bromo-2-(1h-imidazol-1-yl)benzaldehyde (CAS 1099630-02-0)
- 4-Bromo-2-(1h-pyrazol-1-yl)benzaldehyde (CAS 1152645-08-3)
- (4-Bromo-1H-pyrazol-1-yl)(phenyl)methanone (CAS 116228-39-8)
- 4-(4-Bromo-1H-pyrazol-1-yl)benzaldehyde (CAS 1174064-63-1)
Recommended Standards
- 9-Bromo-4H-benzo[b]imidazo[1,2-d][1,4]oxazine (CAS 2387597-42-2)
- N-(4-Bromobenzylidene)-4H-1,2,4-triazol-4-amine (CAS 32787-79-4)
- 8-Bromo-2-naphthoic acid (CAS 5043-21-0)
- 5'-Bromo-[2,3'-bipyridin]-6'(1'H)-one (CAS 381233-79-0)
- Ethyl 6-bromo-4-methoxypyrazolo[1,5-a]pyridine-3-carboxylate (CAS 1207557-35-4)
- 2-Chloro-5-(chloromethyl)-3-(difluoromethyl)pyridin-4-ol (CAS 1806929-58-7)
- 5-((4-(3-Methylbutanamido)phenyl)amino)-5-oxopentanoic acid (CAS 940214-39-1)
- (+/-)-1,1,1-Trifluoro-2-phenylbutane (CAS 90794-17-5)
- Ethyl 4-(methoxymethyl)benzoate (CAS 227948-38-1)
- 2-(5-Amino-3-(4-fluorophenyl)-1H-pyrazol-1-yl)-6-methylpyrimidin-4(3H)-one (CAS 1416346-85-4)
- 2-Bromo-6-(ethylamino)benzonitrile (CAS 1365272-62-3)
- 3'-Fluoro-2,4'-dimethyl-[1,1'-biphenyl]-4-carboxylic acid (CAS 1261939-39-2)
- Morpholine-4-carboximidamide sulfate (CAS 88497-68-1)
- Insulin Pork(≥27 USP units/mg) (CAS 12584-58-6)
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