5-(Benzenesulfonyl)-2-phenyl-4-(pyrrolidin-1-yl)pyrimidine CAS 478067-73-1
| CAS No. | 478067-73-1 |
| Molecular Formula | C20H19N3O2S |
| Molecular Weight | 365.45 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
5-(Benzenesulfonyl)-2-phenyl-4-(pyrrolidin-1-yl)pyrimidine (CAS 478067-73-1), molecular formula C20H19N3O2S and molecular weight 365.45 g/mol, is a CATO reference standard with documented purity and traceability.
5-(Benzenesulfonyl)-2-phenyl-4-(pyrrolidin-1-yl)pyrimidine (C20H19N3O2S) contains a steroid core, an amide group, a sulfone 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. 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.
Physical & Chemical Properties
| Molecular Formula | C20H19N3O2S |
| Molecular Weight | 365.45 g/mol |
| 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Benzenesulfonyl Standards
- 1-(Benzenesulfonyl)-4-bromo-1H-pyrrolo[2,3-b]pyridine-2-carbaldehyde (CAS 942920-59-4)
- (2Z)-2-(Benzenesulfonyl)-3-[(3-chlorophenyl)amino]-3-(methylsulfanyl)prop-2-enenitrile (CAS 1025268-52-3)
- 2-[1-(Benzenesulfonyl)piperidine-4-carbonyl]cyclohexane-1,3-dione (CAS 478041-51-9)
- (E)-[4-(Benzenesulfonyl)butan-2-ylidene][(4-nitrophenyl)methoxy]amine (CAS 306979-45-3)
- Methyl 1-(benzenesulfonyl)-5-nitro-1H-pyrrolo[2,3-b]pyridine-3-carboxylate (CAS 858340-91-7)
- 4-[(Benzenesulfonyl)methyl]-2-methyl-6-[(4-methylphenyl)sulfanyl]pyrimidine (CAS 338960-47-7)
- N'-[1-(Benzenesulfonyl)piperidin-4-ylidene]-4-methylbenzohydrazide (CAS 478248-23-6)
- 1-(Benzenesulfonyl)-3-bromo-6-chloro-1H-pyrrolo[2,3-b]pyridine (CAS 1638761-42-8)
Recommended Standards
- 4-Benzyloxy-2-(2'-carbomethoxy)thiophenylaniline (CAS 329217-05-2)
- 6-([1,4'-Bipiperidin]-1'-ylsulfonyl)-1H-benzo[d][1,2,3]triazol-1-ol (CAS 227471-63-8)
- 3-Phenyl-4-tosyl-3,4-dihydro-2H-benzo[b][1,4]oxazine (CAS 478048-63-4)
- 8-Methoxy-3-methyl-2-((2-methylbenzyl)thio)-3,5-dihydro-4H-pyrimido[5,4-b]indol-4-one (CAS 887208-30-2)
- 2-(5-Chlorothiophen-2-yl)-6-ethylquinoline-4-carboxylic acid (CAS 862654-38-4)
- 3-(Hydrazinylmethyl)pyridine dihydrochloride (CAS 6978-97-8)
- 2-(6-Hydroxy-naphthalen-2-yl)-propionic acid methyl ester (CAS 61495-42-9)
- [4-methyl-2-(morpholin-4-yl)phenyl]methanamine (CAS 1248247-52-0)
- Ornidazole Impurity 22 (CAS 74550-92-8)
- 9-Benzyl-9-azabicyclo[3.3.1]nonan-3-one hydrochloride (CAS 2291-59-0)
- 4-(4-Methylpiperazin-1-yl)-2-(pyridin-3-yl)quinoline (CAS 133671-62-2)
- 2-(4-Oxo-4,5-dihydro-1,2,5-oxadiazol-3-yl)acetic acid (CAS 3201-54-5)
- 4-((1h-Benzo[d]imidazol-2-yl)thio)cyclohexan-1-amine (CAS 1273959-75-3)
- Semaglutide Impurity 192 (CAS CATO-C4X-2226192)
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