5-(Benzenesulfonyl)-4-(3,4-dichlorophenyl)-2-(pyridin-2-yl)pyrimidine CAS 339107-70-9
| CAS No. | 339107-70-9 |
| Molecular Formula | C21H13Cl2N3O2S |
| Molecular Weight | 442.32 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-(Benzenesulfonyl)-4-(3,4-dichlorophenyl)-2-(pyridin-2-yl)pyrimidine (CAS 339107-70-9), molecular formula C21H13Cl2N3O2S and molecular weight 442.32 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution, 5-(Benzenesulfonyl)-4-(3,4-dichlorophenyl)-2-(pyridin-2-yl)pyrimidine is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 442.32 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 5-(Benzenesulfonyl)-4-(3,4-dichlorophenyl)-2-(pyridin-2-yl)pyrimidine 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.
Physical & Chemical Properties
| Molecular Formula | C21H13Cl2N3O2S |
| Molecular Weight | 442.32 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 | 3 |
| Sulfur Atoms | 1 |
Related Benzenesulfonyl Standards
- 5-(Benzenesulfonyl)-4-(2,4-dichlorophenyl)-2-(pyridin-3-yl)pyrimidine (CAS 339108-13-3)
- 5-(Benzenesulfonyl)-4-(3,4-dichlorophenyl)-2-(pyridin-3-yl)pyrimidine (CAS 339107-68-5)
- 5-(Benzenesulfonyl)-4-(3,4-dichlorophenyl)-2-(pyridin-4-yl)pyrimidine (CAS 339107-66-3)
- 3-(Benzenesulfonyl)-6,8-dibromoquinolin-2-amine (CAS 866019-19-4)
- 4-(Benzenesulfonyl)-2-[(4-methylphenyl)methanesulfonyl]-5,6,7,8-tetrahydroquinazoline (CAS 478067-50-4)
- 5-(Benzenesulfonyl)-4-(2,4-dichlorophenyl)-2-phenylpyrimidine (CAS 339108-15-5)
- 3-(Benzenesulfonyl)-6,8-dibromo-2H-chromen-2-one (CAS 1351804-74-4)
- 3-(Benzenesulfonyl)-N-(2-methoxy-5-methylphenyl)-[1,2,3]triazolo[1,5-a]quinazolin-5-amine (CAS 866811-47-4)
Recommended Standards
- 2-[6-(pyrrolidin-1-yl)-2,4-bis(trifluoromethyl)imidazo[1,2-a]1,8-naphthyridin-8-yl]-1,3,4-oxadiazole (CAS 1431424-65-5)
- N-(3,5-bis(trifluoromethyl)phenyl)-6-hydroxy-4-oxo-1,2-dihydro-4H-pyrrolo[3,2,1-ij]quinoline-5-carboxamide (CAS 477859-93-1)
- n-(2,5-Dichlorophenyl)-2-mercapto-4-oxo-3-phenyl-3,4-dihydroquinazoline-7-carboxamide (CAS 885458-61-7)
- 1-[3-(trifluoromethoxy)phenyl]-3-{5-[2-(trifluoromethoxy)phenyl]-2-furyl}prop-2-en-1-one (CAS 259196-58-2)
- (S)-3-iodo-6-methyl-1,4,6,7-tetrahydropyrano[4,3-c]pyrazole (CAS 2329572-90-7)
- 2-(Difluoromethyl)-3-iodo-4-nitropyridine-5-sulfonyl chloride (CAS 1807147-48-3)
- (R)-2-Fluoromandelic acid (CAS 32222-48-3)
- 1-(2,2,2-Trifluoroethyl)-4,5,6,7-tetrahydro-1h-pyrazolo[4,3-c]pyridine hydrochloride (CAS 2680614-96-2)
- (1R,2S)-1-((tert-butoxycarbonyl)amino)-2-phenylcyclopropane-1-carboxylic acid (CAS 244205-60-5)
- 1-O-tert-Butyldimethylsilyl 2-azido-2-deoxy-β-D-glucopyranoside, 98% (CAS 99049-65-7)
- 1-[2-(Dimethylamino)ethyl]-1H-pyrazol-3-amine (CAS 1067900-22-4)
- 3-[4-(Pyrrolidin-1-ylsulfonyl)phenyl]-propanoic acid (CAS 871544-58-0)
- 4-Bromo-2-methyl-3-pyridinecarboxylic Acid Methy Ester (CAS 1374664-86-4)
- Protein Kinase C (alpha) Peptide (CAS 159939-84-1)
Why CATO?
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