4-Oxo-3-(3-(trifluoromethyl)phenyl)-3,4-dihydrophthalazine-1-carboxylic acid CAS 339021-26-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 339021-26-0 |
| Molecular Formula | C16H9F3N2O3 |
| Molecular Weight | 334.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Oxo-3-(3-(trifluoromethyl)phenyl)-3,4-dihydrophthalazine-1-carboxylic acid (CAS 339021-26-0) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C16H9F3N2O3. Molecular weight: 334.25 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C16H9F3N2O3 |
| Molecular Weight | 334.25 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 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
Related Oxo Standards
- 2-(3-(2-(Trifluoromethyl)phenyl)-1,2,4-oxadiazol-5-yl)benzoic acid (CAS 1707567-31-4)
- 2-(3-(4-(Trifluoromethyl)phenyl)-1,2,4-oxadiazol-5-yl)benzoic acid (CAS 1708400-81-0)
- 2-(3-(3-(Trifluoromethyl)phenyl)-1,2,4-oxadiazol-5-yl)benzoic acid (CAS 1710344-35-6)
- 3-(Trifluoromethyl)phenyl 6-(1H-1,2,4-triazol-1-yl)pyridine-3-carboxylate (CAS 400079-25-6)
- 4-(3-(4-(Trifluoromethyl)phenyl)-1,2,4-oxadiazol-5-yl)benzoic acid (CAS 480390-88-3)
- Methyl 2-(((trifluoromethyl)sulfonyl)oxy)-1-naphthoate (CAS 200573-11-1)
- Methyl 6-(((trifluoromethyl)sulfonyl)oxy)-1-naphthoate (CAS 255050-65-8)
- 6-(Trifluoromethyl)-N-[3-(trifluoromethyl)phenyl]pyridine-3-carboxamide (CAS 1092346-26-3)
Recommended Standards
- 5-(Benzyloxy)-4-bromo-2-(tert-butyl)aniline (CAS 2802468-19-3)
- 5-Bromo-2-[4-(tert-pentyl)phenoxy]phenylamine (CAS 946786-86-3)
- 3-(4-Fluorophenyl)-5-((phenylselanyl)methyl)-4,5-dihydroisoxazole (CAS 833462-37-6)
- 2-[(5-Amino-1H-1,2,4-triazol-3-yl)sulfanyl]-acetonitrile (CAS 338751-47-6)
- cis-1-amino-3-hydroxy-3-methylcyclobutane-1-carboxylic acid hydrochloride (CAS 1909288-04-5)
- 2-Aminoethyl carbamate hydrochloride (CAS 73711-22-5)
- 1-benzyl-2-methyl-1,2,3,4-tetrahydroquinoxaline hydrochloride (CAS 1607258-21-8)
- tert-Butyl spiro[2.5]octan-6-ylcarbamate (CAS 1256256-52-6)
- 4-Chloro-N-hydrazinocarbonylmethyl-N-methyl-benzenesulfonamide (CAS 565192-26-9)
- Semaglutide Impurity 143 (CAS CATO-C4X-2226143)
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