2-{4-[1-(3-methylbenzoyl)-1H-pyrazol-3-yl]phenoxy}pyrimidine CAS 321998-89-4
| CAS No. | 321998-89-4 |
| Molecular Formula | C21H16N4O2 |
| Molecular Weight | 356.38 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-{4-[1-(3-methylbenzoyl)-1H-pyrazol-3-yl]phenoxy}pyrimidine (CAS 321998-89-4), molecular formula C21H16N4O2 and molecular weight 356.38 g/mol, is a CATO reference standard with documented purity and traceability.
2-{4-[1-(3-methylbenzoyl)-1H-pyrazol-3-yl]phenoxy}pyrimidine (C21H16N4O2) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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 2-{4-[1-(3-methylbenzoyl)-1H-pyrazol-3-yl]phenoxy}pyrimidine 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 | C21H16N4O2 |
| Molecular Weight | 356.38 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| 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 |
| Degree of Unsaturation (DBE) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 4 |
Related methylbenzoyl Standards
- 3-(1-(4-Methylbenzoyl)-1H-pyrazol-3-yl)-1-phenylpyridazin-4(1H)-one (CAS 318497-97-1)
- 4-(2-Methylbenzoyl)-N-(3-morpholinopropyl)-1H-pyrrole-2-carboxamide (CAS 439120-76-0)
- 4-(4-Methylbenzoyl)-N-(3-morpholinopropyl)-1H-pyrrole-2-carboxamide (CAS 439111-63-4)
- 3-(3-(2-Methylbenzoyl)-1H-pyrrolo[2,3-b]pyridin-4-yl)benzamide (CAS 858119-01-4)
- 4-(3-(2-Methylbenzoyl)-1H-pyrrolo[2,3-b]pyridin-4-yl)benzamide (CAS 858118-61-3)
- 4-(3-(2-Methylbenzoyl)-1H-pyrrolo[2,3-b]pyridin-5-yl)benzamide (CAS 858118-23-7)
- N'-(3-methylbenzoyl)thieno[2,3-b]quinoline-2-carbohydrazide (CAS 478079-53-7)
- N'-(4-methylbenzoyl)thieno[2,3-b]quinoline-2-carbohydrazide (CAS 478079-40-2)
Recommended Standards
- 2,6-Bis(4-azidobenzylidene)cyclohexanone (wetted with ca. 30% Water) (unit weight on dry weight basis) [Research for Photosensitive Material] (CAS 20237-98-3)
- 2-Benzyl-4-phenylphthalazin-1(2H)-one (CAS 3306-73-8)
- 2,2'-Disulfanediylbis(isoindoline-1,3-dione) (CAS 7764-30-9)
- 2-Methyl-N-(3-(trifluoromethyl)phenyl)-1-oxa-4-azaspiro[4.6]Undecane-4-carboxamide (CAS 866156-67-4)
- 2-((2-((2,4-Dichloro-5-(prop-2-yn-1-yloxy)phenyl)amino)-2-oxoethyl)thio)acetic acid (CAS 339099-42-2)
- 4-Hydroxy-2-iodo-6-(trifluoromethyl)pyridine (CAS 1227574-61-9)
- N-(thiazol-2-ylmethyl)thiophene-2-carboxamide (CAS 1329038-92-7)
- 1,4-Dibromo-2,5-bis(dibromomethyl)benzene (CAS 36711-69-0)
- 1,4-Dibenzyl-1,4-diazepan-6-ol (CAS 389062-84-4)
- Bbr-34384 (CAS 438244-41-8)
- 3-Cyclopropoxy-5-isopropylpyridine-4-sulfonamide (CAS 1243479-39-1)
- 4-Nitro-D-phenylalanine monohydrate (CAS 444777-67-7)
- 3-Methylazepan-4-one hydrochloride (CAS 56515-23-2)
- Semaglutide Impurity 183 (CAS 159541-28-3)
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