4-Amino-5-chloro-2-(4-(trifluoromethyl)phenyl)pyridazin-3(2H)-one CAS 923027-45-6
| CAS No. | 923027-45-6 |
| Molecular Formula | C11H7ClF3N3O |
| Molecular Weight | 289.64 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 4-Amino-5-chloro-2-(4-(trifluoromethyl)phenyl)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.
4-Amino-5-chloro-2-(4-(trifluoromethyl)phenyl)pyridazin-3(2H)-one (CAS 923027-45-6), molecular formula C11H7ClF3N3O and molecular weight 289.64 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution, 4-Amino-5-chloro-2-(4-(trifluoromethyl)phenyl)pyridazin-3(2H)-one is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 289.64 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.
Physical & Chemical Properties
| Molecular Formula | C11H7ClF3N3O |
| Molecular Weight | 289.64 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| 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.) | 1987 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 3 |
Related Amino Standards
- 5-Amino-4-chloro-2-(4-(trifluoromethyl)phenyl)pyridazin-3(2H)-one (CAS 24181-95-1)
- 2-Amino-5-chloro-α-(2-cyclopropylethynyl)-α-(trifluoromethyl)benzenemethanol (CAS 168834-43-3)
- (7-Amino-2,3-dihydrobenzo[b][1,4]dioxin-6-yl)(2-chlorophenyl)methanone (CAS 164526-16-3)
- (7-Amino-2,3-dihydrobenzo[b][1,4]dioxin-6-yl)(3-chlorophenyl)methanone (CAS 878969-60-9)
- (7-Amino-2,3-dihydrobenzo[b][1,4]dioxin-6-yl)(4-chlorophenyl)methanone (CAS 696628-26-9)
- 2-Amino-5-(4-chlorophenyl)-5-[(furan-2-yl)methyl]-4,5-dihydro-1H-imidazol-4-one (CAS 1354916-27-0)
- (Z)-[Amino(4-aminophenyl)methylidene]amino 4-chlorobenzoate (CAS 1373237-01-4)
- 4-Amino-5-(2-chloroethyl)-1-((2R,4S,5R)-4-hydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)pyrimidin-2(1H)-one (CAS 90301-75-0)
Recommended Standards
- 4-{[(4-chlorophenyl)amino]methylidene}-3-(trifluoromethyl)-4,5-dihydro-1H-pyrazol-5-one (CAS 339020-99-4)
- 5-(4-Chlorophenyl)-2-(trifluoromethyl)furan-3-carboxamide (CAS 2197053-72-6)
- 4-{[(3-chlorophenyl)amino]methylidene}-3-(trifluoromethyl)-4,5-dihydro-1H-pyrazol-5-one (CAS 339020-98-3)
- 4-{[(2-chlorophenyl)amino]methylidene}-3-(trifluoromethyl)-4,5-dihydro-1H-pyrazol-5-one (CAS 339020-97-2)
- Ethyl-2,2,2-d3 Alcohol (CAS 1759-87-1)
- Ethyl 3-(3-Chloro-2-nitrophenyl)propanoate (CAS 1803762-08-4)
- Ethyl 5-(tert-butylthio)-2,2-dimethyl-4-oxopentanoate (CAS 136558-13-9)
- 5-(((4-Bromobenzyl)sulfinyl)methyl)-4-ethyl-4H-1,2,4-triazole-3-thiol (CAS 344274-71-1)
- N-(3-Hydroxy-4-(hydroxymethyl)cyclopentyl)thiophene-2-carboxamide (CAS 1421516-69-9)
- Eupalinilide B (CAS 757202-08-7)
- 1-(2-Chlorophenyl)-2-(pyrrolidin-1-yl)ethan-1-one hydrochloride (CAS 1049747-91-2)
- Methyl (R)-4-((5R,8R,9S,10S,12S,13R,14S,17R)-12-hydroxy-10,13-dimethyl-3-oxohexadecahydro-1H-cyclopenta[a]phenanthren-17-yl)pentanoate (CAS 10538-58-6)
- 3-(3-Isopropyl-1,2,4-oxadiazol-5-yl)pyridin-2-amine (CAS 1431728-92-5)
- Semaglutide Impurity 138 (CAS CATO-C4X-2226138)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com