4-[(4-Methoxyphenyl)sulfanyl]-3-methyl-[1,2]oxazolo[5,4-d]pyrimidine CAS 478045-21-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 478045-21-5 |
| Molecular Formula | C13H11N3O2S |
| Molecular Weight | 273.31 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-[(4-Methoxyphenyl)sulfanyl]-3-methyl-[1,2]oxazolo[5,4-d]pyrimidine (CAS 478045-21-5) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C13H11N3O2S. Molecular weight: 273.31 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C13H11N3O2S |
| Molecular Weight | 273.31 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Methoxyphenyl Standards
- 3-(N-(3-methoxyphenyl)sulfamoyl)-2-methylpropanoic acid (CAS 1018528-60-3)
- N-(3-methoxyphenyl)-N-(methylsulfonyl)-L-alanine (CAS 1049810-59-4)
- 4-(3-Methoxyphenyl)-2-(methylthio)-6-oxo-1,6-dihydropyrimidine-5-carbonitrile (CAS 128640-73-3)
- 1-(4-Methoxyphenyl)-6-(methylthio)-4-oxo-1,4-dihydropyrimidine-5-carbonitrile (CAS 950272-26-1)
- 2-(2-Methoxyphenyl)-7-methyl-5H-[1,3,4]thiadiazolo[3,2-a]pyrimidin-5-one (CAS 81516-39-4)
- 4-{[(4-Methoxyphenyl)sulfonyl]amino}butanoic acid (CAS 81242-26-4)
- 7-(3-Methoxyphenyl)-2-methylthiazolo[4,5-d]pyridazin-4-ol (CAS 941868-58-2)
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Recommended Standards
- 4-[(1-Methoxypropan-2-yl)sulfamoyl]benzoic acid (CAS 790681-75-3)
- 4-[(4-methylphenyl)sulfanyl]-3-nitrobenzaldehyde (CAS 270262-89-0)
- 4-(Dimethylamino)-N,N-dimethyl-3-nitrobenzenesulfonamide (CAS 81676-66-6)
- 1,2-Didecyldisulfane (CAS 10496-18-1)
- (2E,3E)-1-(4-Chlorophenyl)-3-hydrazinylidene-2-[2-(4-methylphenyl)hydrazin-1-ylidene]propan-1-one (CAS 338414-47-4)
- 5,7-Diphenylfuro[3,4-d]pyridazine (CAS 89449-72-9)
- 1-Bromo-2-naphthonitrile (CAS 20176-08-3)
- 4,4'-Bis(bromomethyl)-2,2'-bipyridine (CAS 134457-14-0)
- N-(2-methoxyphenyl)-2-(3-methyl-5-(trifluoromethyl)-1H-pyrazol-1-yl)thiazole-4-carboxamide (CAS 955963-21-0)
- Semaglutide impurity 62 (CAS CATO-C4X-222662)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com