4,5-Dimethyl-2-(thiophen-2-yl)oxazole 3-oxide CAS 37151-22-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 37151-22-7 |
| Molecular Formula | C9H9NO2S |
| Molecular Weight | 195.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4,5-Dimethyl-2-(thiophen-2-yl)oxazole 3-oxide (CAS 37151-22-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C9H9NO2S. Molecular weight: 195.24 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C9H9NO2S |
| Molecular Weight | 195.24 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1967 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 4-(Methylsulfonyl) phenylacetonitrile (CAS 25025-07-4)
- 4,6-Dimethoxythieno[2,3-b]pyridine (CAS 99429-87-5)
- 4-(Ethylsulfonyl)benzonitrile (CAS 409112-19-2)
- 1-Oxo-1-phenylbutan-2-yl 6-methyl-2-(p-tolyl)quinoline-4-carboxylate (CAS 355429-77-5)
- Thieno[3,2- d]pyrimidine (CAS 272-68-4)
- 2-Amino-3-hydroxynonanoic acid (CAS 50730-85-3)
- Ethyl 5-bromo-2-isopropylthiazole-4-carboxylate (CAS 848555-51-1)
- 2-(2-Oxo-2,3-dihydro-1H-benzo[d]imidazol-1-yl)acetonitrile (CAS 161469-09-6)
- [(2-Chloro-5-fluorophenyl)methyl]diethylamine hydrochloride (CAS 1881288-85-2)
- Semaglutide Impurity 13 (CAS CATO-C4X-222613)
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