2-[1-(6-chloropyridazin-3-yl)-5-oxo-4,5-dihydro-1h-pyrazol-3-yl]acetic acid CAS 1094331-75-5
| CAS No. | 1094331-75-5 |
| Molecular Formula | C9H7ClN4O3 |
| Molecular Weight | 254.63 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 254.63 g/mol gives 2-[1-(6-chloropyridazin-3-yl)-5-oxo-4,5-dihydro-1h-pyrazol-3-yl]acetic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2-[1-(6-chloropyridazin-3-yl)-5-oxo-4,5-dihydro-1h-pyrazol-3-yl]acetic acid (CAS 1094331-75-5) is a high-purity analytical reference standard with the molecular formula C9H7ClN4O3 and a molecular weight of 254.63 g/mol.
The molecular framework of 2-[1-(6-chloropyridazin-3-yl)-5-oxo-4,5-dihydro-1h-pyrazol-3-yl]acetic acid (C9H7ClN4O3) is characterized by a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. 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), 2-[1-(6-chloropyridazin-3-yl)-5-oxo-4,5-dihydro-1h-pyrazol-3-yl]acetic acid 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 | C9H7ClN4O3 |
| Molecular Weight | 254.63 g/mol |
| Appearance | Pale yellow to 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 |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 4 |
Related chloropyridazin Standards
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- 5-(6-Chloropyridazin-3-yl)-4,5,6,7-tetrahydrothieno[3,2-c]pyridine (CAS 1094223-56-9)
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Recommended Standards
- 6-Chloro-7-methoxy-2-oxo-2H-chromene-3-carboxylic acid (CAS 704882-50-8)
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- 6-chloro-4-(difluoromethyl)-8-oxa-3,5-diazatricyclo[7.4.0.0²,⁷]trideca-1(13),2,4,6,9,11-hexaene (CAS 2866218-02-0)
- Methyl 2-(3-chloro-2-nitrophenyl)-2-cyanoacetate (CAS 127500-23-6)
- 3-[1-hydroxy-3-oxo-5-(3-prop-2-ynoxypropyl)isoindolin-2-yl]piperidine-2,6-dione (CAS 2589697-93-6)
- 3-Chloro-5-(trifluoromethyl)benzaldehyde (CAS 477535-43-6)
- 4-Chloro-2-(methoxycarbonyl)anisole (CAS 33924-48-0)
- 2,4,6-tris(4-methoxyphenyl)pyrylium tetrafluoroborate 580-34-7 (CAS 580-34-7)
- 2-(Difluoromethyl)-6-iodo-3-methylpyridine-5-carboxamide (CAS 1805609-22-6)
- 3,5-Dimethylbenzoic-d9 Acid (CAS 1335014-65-7)
- 3,4-Bis(benzyloxy)phenyl formate (CAS 189082-97-1)
- (2E)-3-(4-Bromophenyl)-1-(3,4-dichlorophenyl)prop-2-en-1-one (CAS 1208985-98-1)
- BPA Impurity 5 (CAS CATO-C4X-31395)
- D-Glu3-Tirzepatide (CAS CATO-CPTD788927)
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