4,5-Dichloro-2-(4-fluorobenzyl)pyridazin-3(2H)-one CAS 307508-07-2
| CAS No. | 307508-07-2 |
| Molecular Formula | C11H7Cl2FN2O |
| Molecular Weight | 273.09 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.
4,5-Dichloro-2-(4-fluorobenzyl)pyridazin-3(2H)-one (CAS 307508-07-2), molecular formula C11H7Cl2FN2O and molecular weight 273.09 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of 4,5-Dichloro-2-(4-fluorobenzyl)pyridazin-3(2H)-one (C11H7Cl2FN2O) is characterized by a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution. In reversed-phase chromatography, its retention is governed primarily by its high hydrophobicity (logP), which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
As a certified reference material (CRM), 4,5-Dichloro-2-(4-fluorobenzyl)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 | C11H7Cl2FN2O |
| Molecular Weight | 273.09 g/mol |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 2 |
Related Dichloro Standards
- 3,5-Dichloro-6-(3-fluorophenyl)-1-methylpyrazin-2(1H)-one (CAS 1269529-93-2)
- 3,5-Dichloro-6-(4-fluorophenyl)-1-methylpyrazin-2(1H)-one (CAS 1269530-80-4)
- 3,5-Dichloro-6-(2-fluorophenyl)-1-methylpyrazin-2(1H)-one (CAS 1269533-60-9)
- 4,5-Dichloro-2-(2-fluorobenzyl)pyridazin-3(2h)-one (CAS 175135-46-3)
- 2-(4,5-Dichloro-1H-imidazol-1-yl)-1-(4-fluorophenyl)ethan-1-one (CAS 866151-51-1)
- 4,6-Dichloro-N-(4-fluorobenzyl)-1,3,5-triazin-2-amine (CAS 546140-76-5)
- 2-((4,6-Dichloro-1,3,5-triazin-2-yl)amino)ethanesulfonic acid (CAS 21369-77-7)
- 2,4-Dichloro-7-methoxy-3-nitroquinoline (CAS 1447961-41-2)
Recommended Standards
- 3-Cyano-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzoic acid (CAS 2377611-13-5)
- 4-Chloro-2-(5-chloro-2-fluorophenyl)-5-methoxypyrimidine (CAS 674793-47-6)
- 7-(Tetramethyl-1,3,2-dioxaborolan-2-yl)-2,3-dihydro-1H-indole-2,3-dione (CAS 2281899-15-6)
- (4-Fluoro-3-(pyrrolidin-1-ylsulfonyl)phenyl)boronic acid (CAS 1704121-54-9)
- 1,1,2,2-Tetramethoxycyclohexane (CAS 163125-34-6)
- 2-(2,2-Dimethyl-4-(pyridin-2-yl)tetrahydro-2H-pyran-4-yl)ethanamine hydrochloride (CAS 1956378-93-0)
- N,N-Dibenzylmethacrylamide (CAS 57625-30-6)
- 6-(Aminomethyl)-2,3-dihydro-1H,5H-pyrido[3,2,1-ij]quinolin-5-one hydrochloride (CAS 1881322-03-7)
- 4-Ethynylthiophene-2-carbonitrile (CAS 859809-16-8)
- Methyl 6-(1-cyanopentan-3-yl)picolinate (CAS 1956331-08-0)
- 2-Bromo-4-nitroanisole (CAS 5197-28-4)
- 5-Amino-1H-pyrrolo[2,3-b]pyridin-2(3H)-one (CAS 869371-00-6)
- 1-(2-Methyl-6-(pyrrolidin-1-yl)pyridin-3-yl)propan-1-one (CAS 1355224-84-8)
- [D-Phe22]Semaglutide (CAS CATO-C4X-2226222)
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