4-(4-Chloro-2-methylphenoxy)-5-(4-methylbenzenesulfonyl)-2-phenylpyrimidine CAS 478247-32-4
| CAS No. | 478247-32-4 |
| Molecular Formula | C24H19ClN2O3S |
| Molecular Weight | 450.94 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 4-(4-Chloro-2-methylphenoxy)-5-(4-methylbenzenesulfonyl)-2-phenylpyrimidine meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
4-(4-Chloro-2-methylphenoxy)-5-(4-methylbenzenesulfonyl)-2-phenylpyrimidine (CAS 478247-32-4) is a high-purity analytical reference standard with the molecular formula C24H19ClN2O3S and a molecular weight of 450.94 g/mol.
Structurally, 4-(4-Chloro-2-methylphenoxy)-5-(4-methylbenzenesulfonyl)-2-phenylpyrimidine (C24H19ClN2O3S) contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 16.0, corresponding to approximately 16 ring(s) or double-bond equivalent(s). With a molecular weight of 450.94 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
Physical & Chemical Properties
| Molecular Formula | C24H19ClN2O3S |
| Molecular Weight | 450.94 g/mol |
| 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 | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Chloro Standards
- 2-Chloro-5-{[4-(thiophene-2-sulfonyl)piperazin-1-yl]sulfonyl}benzoic acid (CAS 742118-92-9)
- N-(3-Chloro-4-methylphenyl)-2-((5-(4-hydroxyphenyl)-4-phenyl-4H-1,2,4-triazol-3-yl)thio)acetamide (CAS 332881-79-5)
- 4-Chloro-N-(4-(N-phenethylsulfamoyl)phenyl)benzenesulfonamide (CAS 606922-74-1)
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- 2-(4-(5-Chloro-2-methylphenyl)piperazin-1-yl)-7-(p-tolyl)thieno[3,2-d]pyrimidin-4(3H)-one (CAS 1226457-45-9)
- 2-[4-(5-Chloro-2-methylphenyl)piperazin-1-yl]-7-(3-methylphenyl)-3H,4H-thieno[3,2-d]pyrimidin-4-one (CAS 1242862-86-7)
- N-(5-chloro-2-methoxyphenyl)-2-((N-cyclohexyl-4-methylphenyl)sulfonamido)acetamide (CAS 332163-17-4)
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Recommended Standards
- 4-((4-(Benzyloxy)-3-methoxybenzylidene)amino)-3-(2-chlorophenyl)-1H-1,2,4-triazole-5(4H)-thione (CAS 478253-92-8)
- N-(4-chlorophenyl)-2-((5-(2-methoxyphenyl)-4-phenyl-4H-1,2,4-triazol-3-yl)thio)acetamide (CAS 482652-85-7)
- 2-(Benzyl(methyl)amino)-2-oxoethyl 2-(5-chlorothiophen-2-yl)quinoline-4-carboxylate (CAS 785705-71-7)
- Ticagrelor Impurity 112 (CAS CATO-C4X-1093112)
- 3-Bromo-4-propoxyphenylacetic Acid (CAS 1511318-54-9)
- 2,5-(Dimethoxy-d6)-4-iodophenethylamine Hydrochloride 951400-09-2 (CAS 951400-09-2)
- Broussonin A (CAS 73731-87-0)
- Dimethyl-carbamic acid 4-(2-dimethylamino-5-trifluoromethyl-pyridin-3-yl)-phenyl ester (CAS 1311278-89-3)
- 2-((4-(Trifluoromethoxy)phenyl)amino)thiazole-4-carboxylic acid (CAS 855531-22-5)
- 4-Methyl-2-(phenoxymethyl)thiazole-5-carboxylic acid (CAS 35535-10-5)
- 4-ethyloxolan-3-one (CAS 1505778-50-6)
- 2-(4-Bromophenyl)-2-methylpropionitrile (CAS 101184-73-0)
- (5E)-5-(2-Fluorobenzylidene)-2-mercapto-3-phenyl-3,5-dihydro-4H-imidazol-4-one (CAS 324073-82-7)
- Semaglutide Impurity 8 (CAS CATO-C4X-22268)
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