4-(4-Chlorophenyl)-2-methyl-1,2-dihydrophthalazine CAS 20072-48-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 20072-48-4 |
| Molecular Formula | C15H13ClN2 |
| Molecular Weight | 256.73 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-(4-Chlorophenyl)-2-methyl-1,2-dihydrophthalazine (CAS 20072-48-4) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C15H13ClN2. Molecular weight: 256.73 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C15H13ClN2 |
| Molecular Weight | 256.73 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1962 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Chlorophenyl Standards
- (2E)-1-(3-Chlorophenyl)-3-(2-methylphenyl)prop-2-en-1-one (CAS 1002182-79-7)
- (2-(4-Chlorophenyl)indolizin-1-yl)methanamine (CAS 1017157-84-4)
- 2-(4-Chlorophenyl)-5,6-dimethyl-1H-benzo[d]imidazole (CAS 1078708-79-8)
- (2-(4-Chlorophenyl)indolizin-3-yl)methanamine (CAS 1176689-43-2)
- 1-(2-Chlorophenyl)-3-(2-hydroxy-2-methylbutyl)urea (CAS 1241029-68-4)
- (2E)-1-(2-Chlorophenyl)-3-(3-methylphenyl)prop-2-en-1-one (CAS 1354942-01-0)
- (2E)-1-(2-Chlorophenyl)-3-(2-methylphenyl)prop-2-en-1-one (CAS 1354942-26-9)
- 1-(3-Chlorophenyl)-3-(1-hydroxypentan-3-yl)urea (CAS 1355503-49-9)
Recommended Standards
- 3-Chloro-2-[2-(4-morpholinyl)ethoxy]phenylamine (CAS 946727-33-9)
- 4-Butoxy-3-chloro-5-ethoxybenzaldehyde (CAS 832674-19-8)
- 3-Benzyl-4-chloro-2-methyl-1H-pyrrolo[3,2-c]pyridine (CAS 878232-93-0)
- 5-Bromo-3-methyl-2-(pyrrolidin-3-yloxy)pyridine (CAS 1289269-60-8)
- N-(5-(N,N-Dimethylsulfamoyl)-2-methylphenyl)-2-(methylthio)nicotinamide (CAS 785812-18-2)
- 2-((tert-Butoxycarbonyl)amino)-4-oxo-4-phenylbutanoic acid (CAS 75162-02-6)
- 2-amino-3-[(2-pyridin-2-ylethyl)thio]propanoic acid 99247-32-2 (CAS 99247-32-2)
- 1-(4-Amino-2-fluorophenyl)-4-piperidinol (CAS 873537-51-0)
- ((1S,5S)-2-(DImethylamino)bicyclo[3.1.0]hexan-1-yl)methanol (CAS 2852766-25-5)
- endo-Arg30-Semaglutide (CAS CATO-C4X-2226281)
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 13829788188 / jacky.chen@cato-chem.com