5-(1-(3-Chloro-5-(trifluoromethyl)pyridin-2-yl)-1H-pyrazol-5-yl)-1-(4-chlorophenyl)-3-(4-fluorobenzyl)pyrimidine-2,4(1H,3H)-dione CAS 321534-68-3
| CAS No. | 321534-68-3 |
| Molecular Formula | C26H15Cl2F4N5O2 |
| Molecular Weight | 576.33 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C26H15Cl2F4N5O2, 5-(1-(3-Chloro-5-(trifluoromethyl)pyridin-2-yl)-1H-pyrazol-5-yl)-1-(4-chlorophenyl)-3-(4-fluorobenzyl)pyrimidine-2,4(1H,3H)-dione 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 576.33 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
5-(1-(3-Chloro-5-(trifluoromethyl)pyridin-2-yl)-1H-pyrazol-5-yl)-1-(4-chlorophenyl)-3-(4-fluorobenzyl)pyrimidine-2,4(1H,3H)-dione (CAS 321534-68-3), molecular formula C26H15Cl2F4N5O2 and molecular weight 576.33 g/mol, is a CATO reference standard with documented purity and traceability.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures 5-(1-(3-Chloro-5-(trifluoromethyl)pyridin-2-yl)-1H-pyrazol-5-yl)-1-(4-chlorophenyl)-3-(4-fluorobenzyl)pyrimidine-2,4(1H,3H)-dione 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 | C26H15Cl2F4N5O2 |
| Molecular Weight | 576.33 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) | 19.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 5 |
Related Chloro Standards
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Recommended Standards
- 1-[(2,4-Dichlorophenyl)methyl]-3-(1-{1-[(2,4-dichlorophenyl)methyl]-1H-indol-3-yl}ethenyl)-1H-indole (CAS 338777-63-2)
- 2,4-Dibromo-6-[(E)-[[(1R,2R)-2-(isoindolin-2-yl)-1,2-diphenylethyl]imino]methyl]phenol (CAS 1420042-07-4)
- Iopamidol Impurity 31 (CAS CATO-C4X-145031)
- Thorin, indicator for sulfate titration (CAS 3688-92-4)
- 4-(4-Fluorophenyl)-2,3-dihydro-1,3-thiazol-2-one (CAS 834885-06-2)
- 1-Ethylpiperidin-3-amine hydrochloride (CAS 1391054-17-3)
- 1-Bromo-4-[(4-fluorobutyl)sulfanyl]benzene (CAS 885267-12-9)
- Imatinib Impurity 18 (CAS 112696-91-0)
- (6-(5-Bromo-2-methoxyphenyl)pyridin-3-yl)methanol (CAS 887974-72-3)
- [5-fluoro-2-(4-methylpiperazin-1-yl)phenyl]methanamine (CAS 1096817-40-1)
- Chaetomellic Acid B Anhydride (CAS 84306-79-6)
- 5,6,7,8-Tetrahydroquinoline-8-sulfonyl chloride (CAS 1509874-24-1)
- 3-(2-Chloro-5-(trifluoromethyl)phenyl)pyridine (CAS 4393-94-6)
- (Ser(PO3H2)202,Thr(PO3H2)205)-Tau Peptide (194-213) trifluoroacetate salt (CAS 2022956-55-2)
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