N'-(3-chloro-5-(trifluoromethyl)pyridin-2-yl)-3-(4-chlorophenyl)-4-oxo-3,4-dihydrophthalazine-1-carbohydrazide CAS 338978-24-8
| CAS No. | 338978-24-8 |
| Molecular Formula | C21H12Cl2F3N5O2 |
| Molecular Weight | 494.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 494.25 g/mol gives N'-(3-chloro-5-(trifluoromethyl)pyridin-2-yl)-3-(4-chlorophenyl)-4-oxo-3,4-dihydrophthalazine-1-carbohydrazide distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies N'-(3-chloro-5-(trifluoromethyl)pyridin-2-yl)-3-(4-chlorophenyl)-4-oxo-3,4-dihydrophthalazine-1-carbohydrazide (CAS 338978-24-8), a certified reference material (molecular formula C21H12Cl2F3N5O2, MW 494.25 g/mol) for analytical method development and quality control.
Based on its molecular formula C21H12Cl2F3N5O2, N'-(3-chloro-5-(trifluoromethyl)pyridin-2-yl)-3-(4-chlorophenyl)-4-oxo-3,4-dihydrophthalazine-1-carbohydrazide contains a steroid core, an amide group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 494.25 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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 N'-(3-chloro-5-(trifluoromethyl)pyridin-2-yl)-3-(4-chlorophenyl)-4-oxo-3,4-dihydrophthalazine-1-carbohydrazide 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 | C21H12Cl2F3N5O2 |
| Molecular Weight | 494.25 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 5 |
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Recommended Standards
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- 3-[5-(Pyrrolidin-3-yl)-1,2,4-oxadiazol-3-yl]pyridine hydrochloride (CAS 1638612-44-8)
- Mifepristone Impurity 12 (CAS 84371-64-2)
- 2-(2-Acetyl-5-methoxyphenoxy)acetic acid (CAS 29048-57-5)
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- Terbinafine impurity 39 (CAS CATO-C4X-133839)
- (1-Methylpiperidin-3-yl)methanol (CAS 230294-57-2)
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Why CATO?
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