5-Methoxy-4-[(4-methoxyphenyl)sulfanyl]-2-({[3-(trifluoromethyl)phenyl]methyl}sulfanyl)pyrimidine CAS 339276-05-0
| CAS No. | 339276-05-0 |
| Molecular Formula | C20H17F3N2O2S2 |
| Molecular Weight | 438.49 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 5-Methoxy-4-[(4-methoxyphenyl)sulfanyl]-2-({[3-(trifluoromethyl)phenyl]methyl}sulfanyl)pyrimidine (CAS 339276-05-0), a certified reference material (molecular formula C20H17F3N2O2S2, MW 438.49 g/mol) for analytical method development and quality control.
Structurally, 5-Methoxy-4-[(4-methoxyphenyl)sulfanyl]-2-({[3-(trifluoromethyl)phenyl]methyl}sulfanyl)pyrimidine (C20H17F3N2O2S2) contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, fluorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 12.0, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 438.49 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).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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.
Physical & Chemical Properties
| Molecular Formula | C20H17F3N2O2S2 |
| Molecular Weight | 438.49 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 2 |
Related Methoxy Standards
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- (E)-2-{3-methoxy-4-[(4-methoxyphenyl)methoxy]phenyl}-N-(4-methylphenyl)ethene-1-sulfonamide (CAS 339105-06-5)
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Recommended Standards
- 3-[(2-Fluorophenyl)methyl]-16,19-dimethoxy-3,21-diazapentacyclo[11.8.0.0^{2,10}.0^{4,9}.0^{15,20}]henicosa-1(21),2(10),4(9),5,7,13,15(20),16,18-nonaene (CAS 860787-08-2)
- Topiramate EP Impurity B (CAS 876403-98-4)
- Phenyl 2,4,6-Tri-O-acetyl-3-O-allyl-1-thio-β-D-glucopyranoside (CAS 197005-22-4)
- 2-(Phenylimino)-N-(5-(m-tolyl)-1,3,4-thiadiazol-2-yl)-2H-chromene-3-carboxamide (CAS 1261027-42-2)
- tert-Butyl 3-(2,4-dimethoxyphenyl)-3-hydroxyazetidine-1-carboxylate (CAS 1693957-21-9)
- N-(2-((4-chlorophenyl)thio)ethyl)-3,4,5-trimethoxybenzamide (CAS 339113-23-4)
- 2-Cyclobutyl-3H-imidazo[4,5-c]pyridine (CAS 119628-86-3)
- (S)-2-(2-Bromophenyl)-2-((tert-butoxycarbonyl)amino)acetic acid (CAS 1228547-87-2)
- Beclometasone Impurity 48 (CAS CATO-C4X-147448)
- Benzyl 6-(benzylcarbamoyl)-4-(trifluoromethyl)pyridine-2-carboxylate (CAS 1211775-60-8)
- 4-Cyclopropoxy-3-methoxy-2-nitropyridine (CAS 1243455-21-1)
- tert-Butyl 3-amino-6,7-dihydroisoxazolo[4,3-c]pyridine-5(4H)-carboxylate (CAS 1503686-08-5)
- Adipic Dihydrazide (CAS 1071-93-8)
- Semaglutide impurity 61 (CAS CATO-C4X-222661)
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