(S)-5-(3-Methylisoxazol-5-yl)pyrrolidin-2-one CAS 163849-08-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 163849-08-9 |
| Molecular Formula | C8H10N2O2 |
| Molecular Weight | 166.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
(S)-5-(3-Methylisoxazol-5-yl)pyrrolidin-2-one (CAS 163849-08-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C8H10N2O2. Molecular weight: 166.18 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C8H10N2O2 |
| Molecular Weight | 166.18 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2003 |
| Nitrogen Atoms | 2 |
Recommended Standards
- 4,6-Dimethyl-2-nitroaniline (CAS 1635-84-3)
- 3,5-Dimethyl-6,7-dihydroisoxazolo[4,5-c]pyridin-4(5H)-one (CAS 164223-46-5)
- N-(2-hydroxyethyl)picolinamide (CAS 16347-06-1)
- 1-(1,5-Dimethyl-1h-pyrazol-4-yl)-N-((tetrahydrofuran-2-yl)methyl)methanamine (CAS 1183665-45-3)
- 2-(4-Bromo-1H-pyrazol-3-yl)ethan-1-ol (CAS 1784625-70-2)
- 3-(7-Methoxy-1H-indazol-3-yl)propanoic acid (CAS 639084-09-6)
- N-(2,4-Dimethoxyphenyl)benzofuro[3,2-d]pyrimidin-4-amine (CAS 847379-79-7)
- 5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1-((2-(trimethylsilyl)ethoxy)methyl)-1H-pyrazole (CAS 903550-12-9)
- 1-[4-(bromomethyl)phenyl]pyrrolidine hydrobromide (CAS 1803588-83-1)
- Semaglutide Impurity 143 (CAS CATO-C4X-2226143)
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