2-Chloropyrido[2,3-d]pyridazin-5(6H)-one CAS 1447958-87-3
| CAS No. | 1447958-87-3 |
| Molecular Formula | C7H4ClN3O |
| Molecular Weight | 181.58 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 2-Chloropyrido[2,3-d]pyridazin-5(6H)-one.
CATO supplies 2-Chloropyrido[2,3-d]pyridazin-5(6H)-one (CAS 1447958-87-3), a certified reference material (molecular formula C7H4ClN3O, MW 181.58 g/mol) for analytical method development and quality control.
Based on its molecular formula C7H4ClN3O, 2-Chloropyrido[2,3-d]pyridazin-5(6H)-one contains an amide group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 181.58 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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), 2-Chloropyrido[2,3-d]pyridazin-5(6H)-one 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 | C7H4ClN3O |
| Molecular Weight | 181.58 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1992 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related Chloropyrido Standards
- 6-Chloropyrido[2,3-b]pyrazin-3(4H)-one (CAS 1350925-21-1)
- 2-Chloropyrido[4,3-d]pyrimidin-5(6H)-one (CAS 1393570-12-1)
- 4-Chloropyrido[2,3-d]pyridazin-5(6H)-one (CAS 1433204-20-6)
- 2-Chloropyrido[3,4-d]pyrimidin-4(3H)-one (CAS 1437435-10-3)
- 3-Chloropyrido[2,3-d]pyridazin-5(6H)-one (CAS 1447949-70-3)
- 5-Chloropyrido[3,4-b]pyrazin-2(1H)-one (CAS 1600511-79-2)
- 8-Chloropyrido[2,3-b]pyrazin-6(5H)-one (CAS 1613289-27-2)
- 7-Chloropyrido[4,3-d]pyrimidin-4(3H)-one (CAS 1650574-62-1)
Recommended Standards
- Benzo[d]oxazole-5-carbonyl chloride (CAS 15026-76-3)
- 3-chloro-5H-pyrrolo[2,3-b]pyrazine-7-carbaldehyde (CAS 1515147-28-0)
- 6-Chloroimidazo[1,2-b]pyridazine-3-carbaldehyde (CAS 154578-26-4)
- 2-Chloro-3-(1H-tetrazol-1-yl)pyridine (CAS 1428234-42-7)
- sodium 2-(3,4,5-trihydroxybenzoyloxy)acetate (CAS 1909320-07-5)
- Poly[[2,5-bis(2-hexyldecyl)-2,3,5,6-tetrahydro-3,6-dioxopyrrolo[3,4-c]pyrrole-1,4-diyl]-alt-[3',3''-dimethyl-2,2':5',2''-terthiophene]-5,5''-diyl] (CAS 1429119-71-0)
- (3,4-Dimethoxyphenyl)(3-iodophenyl)methanone (CAS 951891-92-2)
- alpha-Methyl-2-furanethanol (CAS 66040-54-8)
- 6-Fluoro-2-hydroxyquinoline-3-carboxylic acid (CAS 938378-09-7)
- n-((1-(2,2-Difluoroethyl)-5-methyl-1h-pyrazol-4-yl)methyl)cyclopropanamine (CAS 1170869-32-5)
- Methyl 3-(2-(cyclopropanecarboxamido)phenoxy)thiophene-2-carboxylate (CAS 900018-83-9)
- Ethyl hex-2-ynoate (CAS 16205-90-6)
- 1099597-75-7 2-Chloro-5-(trifluoromethyl)pyridine-3-carbonyl chloride DTXSID00653378 (CAS 1099597-75-7)
- Tirzepatide Impurity 61 (CAS CATO-C4X-324061)
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