6-(2-Phenylpyrazolo[1,5-a]pyridin-3-yl)pyridazin-3(2H)-one CAS 131185-06-3
| CAS No. | 131185-06-3 |
| Molecular Formula | C17H12N4O |
| Molecular Weight | 288.30 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
6-(2-Phenylpyrazolo[1,5-a]pyridin-3-yl)pyridazin-3(2H)-one (CAS 131185-06-3) is a high-purity analytical reference standard with the molecular formula C17H12N4O and a molecular weight of 288.30 g/mol.
Structurally, 6-(2-Phenylpyrazolo[1,5-a]pyridin-3-yl)pyridazin-3(2H)-one (C17H12N4O) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 14.0, corresponding to approximately 14 ring(s) or double-bond equivalent(s). With a molecular weight of 288.30 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), 6-(2-Phenylpyrazolo[1,5-a]pyridin-3-yl)pyridazin-3(2H)-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 | C17H12N4O |
| Molecular Weight | 288.30 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1994 |
| Nitrogen Atoms | 4 |
Related Phenylpyrazolo Standards
- 5-(2-Phenylpyrazolo[1,5-a]pyridin-3-yl)pyridin-2(1H)-one (CAS 131185-46-1)
- 3-(3-Phenylpyrazolo[1,5-a]pyrimidin-7-yl)aniline (CAS 931998-17-3)
- 1-(2-Phenylpyrazolo[1,5-a]pyrazin-4-yl)pyrrolidin-3-amine (CAS 1338657-15-0)
- 1-{2-methyl-7-phenylpyrazolo[1,5-a]pyrimidin-6-yl}-1H-1,2,4-triazole (CAS 478078-16-9)
- 3-(2-Methyl-3-phenylpyrazolo[1,5-a]pyrimidin-7-yl)aniline (CAS 932240-90-9)
- Ethyl 5-phenylpyrazolo[1,5-a]pyridine-3-carboxylate (CAS 99446-40-9)
- 1-(4-(2-Phenylpyrazolo[1,5-a]pyrimidin-7-yl)phenyl)ethanone (CAS 825633-29-2)
- (8-Phenylpyrazolo[5,1-c][1,2,4]triazin-3-yl)(p-tolyl)methanone (CAS 1338687-81-2)
Recommended Standards
- 1,6-Diphenyl-1H-pyrazolo[3,4-d]pyrimidin-4(5H)-one (CAS 130925-67-6)
- 5-[3-(1-Naphthyloxy)phenyl]-2H-tetrazole (CAS 1314406-47-7)
- 5-[2-(2-Naphthyloxy)phenyl]-2H-tetrazole (CAS 1305320-61-9)
- 4-(2-([1,2,4]Triazolo[4,3-a]pyridin-3-yl)pyrrolidin-1-yl)-4-oxobutanoic acid (CAS 1322604-95-4)
- (5,6,7,8-Tetrahydroimidazo[1,2-a]pyridin-2-yl)methanamine (CAS 1240528-83-9)
- 4-[methyl(phenyl)amino]benzaldehyde (CAS 55489-38-8)
- 3-(1'-Methyl-5-(trifluoromethyl)-1'h,2h-[3,4'-bipyrazol]-2-yl)propanenitrile (CAS 1006461-64-8)
- rel-2-(2,2,5-Trimethyl-1,3-dioxolan-4-yl)pyridin-4-amine (CAS 2879234-14-5)
- 3-(Methylamino)-2,3-dihydro-1H-indene-5-carboxylic acid (CAS 1780458-94-7)
- Omadacycline Impurity 47 (CAS CATO-C4X-285747)
- 4,5-Dichlorophthalic anhydride (CAS 942-06-3)
- 3,6-Difluoroisoquinoline (CAS 2385647-77-6)
- 4-Chloro-1-cyclopentyl-1,2-dihydro-3h-pyrazol-3-imine dihydrochloride (CAS 1431963-80-2)
- (Tyr?)-C-Peptide (dog) (CAS 101135-67-5)
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