(3-(4-Chlorophenyl)-5,6-dihydropyridazin-1(4H)-yl)(4-methoxyphenyl)methanone CAS 199166-18-2
| CAS No. | 199166-18-2 |
| Molecular Formula | C18H17ClN2O2 |
| Molecular Weight | 328.79 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 (3-(4-Chlorophenyl)-5,6-dihydropyridazin-1(4H)-yl)(4-methoxyphenyl)methanone.
(3-(4-Chlorophenyl)-5,6-dihydropyridazin-1(4H)-yl)(4-methoxyphenyl)methanone (CAS 199166-18-2), molecular formula C18H17ClN2O2 and molecular weight 328.79 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution, (3-(4-Chlorophenyl)-5,6-dihydropyridazin-1(4H)-yl)(4-methoxyphenyl)methanone is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 328.79 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures (3-(4-Chlorophenyl)-5,6-dihydropyridazin-1(4H)-yl)(4-methoxyphenyl)methanone under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C18H17ClN2O2 |
| Molecular Weight | 328.79 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2013 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Chlorophenyl Standards
- (3-(4-Chlorophenyl)-5,6-dihydropyridazin-1(4H)-yl)(3-methoxyphenyl)methanone (CAS 339100-13-9)
- {[(4-chlorophenyl)methyl]sulfamoyl}[(2-fluorophenyl)methyl]amine (CAS 337924-38-6)
- 2'-(4-Chlorophenyl)-3,4-dihydro-1H-spiro[naphthalene-2,5'-[1,3]dioxan]-1-one (CAS 338418-41-0)
- Ethyl 1-(4-chlorophenyl)-5-phenyl-4,5-dihydro-1H-pyrazole-3-carboxylate (CAS 861151-22-6)
- Ethyl 7-(4-chlorophenyl)-2,4-dimethylpyrrolo[1,2-a]pyrimidine-8-carboxylate (CAS 338406-13-6)
- 2-[4-(4-chlorophenyl)piperazin-1-yl]-4-methoxypyridine-3-carbonitrile 339016-80-7 7M-049 (CAS 339016-80-7)
- N1-(2-Chlorophenyl)-N2-((3-methoxytetrahydrothiophen-3-yl)methyl)oxalamide (CAS 1448136-97-7)
- 2-{[(4-chlorophenyl)methyl]sulfanyl}-5-[(E)-2-phenylethenyl]-1,3,4-oxadiazole (CAS 1164556-35-7)
Recommended Standards
- (4-Benzoylpiperazin-1-yl)(3-chlorophenyl)methanone (CAS 708981-95-7)
- 4-((6-((3-Chloropropanoyl)oxy)hexyl)oxy)benzoic acid (CAS 182922-18-5)
- Methyl ((S)-1-((S)-2-(5-chloro-1H-imidazol-2-yl)pyrrolidin-1-yl)-3-methyl-1-oxobutan-2-yl)carbamate (CAS 1713286-26-0)
- 1,3-Bis(1,1-dimethylethyl) 2-(2-chloro-3-pyridinyl)imidodicarbonate (CAS 749265-07-4)
- 1015AF 2-Amino-N-(3-methoxyphenyl)-6-tert-pentyl-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxamide 865419-00-7 C21H28N2O2S (CAS 865419-00-7)
- Calcium 2-oxopentanedioate xhydrate (CAS 402726-78-7)
- 2-((tert-Butoxycarbonyl)amino)-4-methyl-3-phenylpentanoic acid (CAS 2145602-51-1)
- 6-methyl-1H,2H,3H-pyrido[2,3-b][1,4]oxazin-2-one (CAS 1198153-91-1)
- 6-Azaspiro[3.4]Octan-2-amine (CAS 1420849-80-4)
- 4-Nitro-2-(2-(pyridin-2-yl)ethyl)isoindolin-1-one (CAS 882747-49-1)
- 3-Methoxy-2-methylisonicotinaldehyde (CAS 1211589-76-2)
- N-(4-Iodophenyl)glycine (CAS 13370-63-3)
- (R)-2-Hydroxyhexadecanoic acid (CAS 16452-51-0)
- Crustacean Cardioactive Peptide (CAS 107090-96-0)
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