2-(Benzylthio)-4-(p-tolyloxy)thieno[3,2-d]pyrimidine CAS 478067-49-1
| CAS No. | 478067-49-1 |
| Molecular Formula | C20H16N2OS2 |
| Molecular Weight | 364.48 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-(Benzylthio)-4-(p-tolyloxy)thieno[3,2-d]pyrimidine (CAS 478067-49-1), molecular formula C20H16N2OS2 and molecular weight 364.48 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 2-(Benzylthio)-4-(p-tolyloxy)thieno[3,2-d]pyrimidine (C20H16N2OS2) contains a steroid core, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 14.0, corresponding to approximately 14 ring(s) or double-bond equivalent(s). With a molecular weight of 364.48 g/mol, it falls into the moderately-high-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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), 2-(Benzylthio)-4-(p-tolyloxy)thieno[3,2-d]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 | C20H16N2OS2 |
| Molecular Weight | 364.48 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 2 |
Related Benzylthio Standards
- 2-(Benzylthio)-4-(4-ethoxyphenyl)-6-oxo-1,4,5,6-tetrahydropyridine-3-carbonitrile (CAS 327170-20-7)
- 1-Benzyl-2-(benzylthio)-5,6-dihydro-1H-imidazo[4,5-d]pyridazine-4,7-dione (CAS 3434-18-2)
- 2-(Benzylthio)-5-((3-chlorobenzyl)thio)-1,3,4-thiadiazole (CAS 477332-71-1)
- (2-(Benzylthio)-4,5-dihydro-1H-imidazol-1-yl)(5-bromofuran-2-yl)methanone (CAS 851864-62-5)
- 2-(Benzylthio)-1-(2,4-dichloro-5-methoxyphenyl)-1H-imidazole (CAS 338967-09-2)
- 4-Benzyl-3-(benzylthio)-5-(thiophen-2-yl)-4h-1,2,4-triazole (CAS 139614-68-9)
- (R)-3-(Benzylthio)-2-(4-methylphenylsulfonamido)propanoic acid (CAS 4703-36-0)
- 2-(Benzylthio)-N-(3-(2-phenyl-1H-imidazol-1-yl)propyl)acetamide (CAS 1421471-78-4)
Recommended Standards
- 2-(Allylthio)-4-(o-tolyloxy)benzo[4,5]thieno[3,2-d]pyrimidine (CAS 478030-08-9)
- 2,2'-(2-Chloro-1,3-phenylene)bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolane) (CAS 2762233-91-8)
- 2-(4-Methoxyphenyl)-5-(4-octylphenyl)-1,3,4-oxadiazole (CAS 821782-01-8)
- 2-Mercapto-3-phenethyl-5-phenylthieno[2,3-d]pyrimidin-4(3h)-one (CAS 730976-55-3)
- 3-Methoxy-N-[4-(4-methylpiperazin-1-yl)phenyl]benzamide (CAS 689746-67-6)
- (dimethylamino)thiourea (CAS 2289-53-4)
- Phloroglucinol Impurity 33 (CAS 824-46-4)
- 5-(tert-Butyl)-4-chloro-1H-pyrazol-3-amine (CAS 110086-11-8)
- 5-cyano-3-methyl-1-benzothiophene-2-sulfonyl chloride (CAS 1030857-85-2)
- 5-Bromo-1-methyl-1H-indole-3-carbaldehyde (CAS 10102-94-0)
- Atracurium Impurity 44 (CAS CATO-C4X-185044)
- (3,4-Dichlorophenyl)(2-(pyrrolidin-1-ylmethyl)phenyl)methanone (CAS 898774-99-7)
- Ipratropium bromide monohydrate (CAS 66985-17-9)
- ([D?]Val?·1?)-C-Peptide (human) (CAS 1802078-41-6)
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