methyl 5-(1,3,5-trimethyl-1H-pyrazol-4-yl)isoxazole-3-carboxylate CAS 1001519-19-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1001519-19-2 |
| Molecular Formula | C11H13N3O3 |
| Molecular Weight | 235.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
methyl 5-(1,3,5-trimethyl-1H-pyrazol-4-yl)isoxazole-3-carboxylate (CAS 1001519-19-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C11H13N3O3. Molecular weight: 235.24 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C11H13N3O3 |
| Molecular Weight | 235.24 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Nitrogen Atoms | 3 |
Related methyl Standards
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Recommended Standards
- methyl 5-(1-ethyl-3-methyl-1H-pyrazol-4-yl)isoxazole-3-carboxylate (CAS 1001519-14-7)
- 1-Ethyl-3-methyl-4-((4-nitro-1H-pyrazol-1-yl)methyl)-1H-pyrazole (CAS 1004644-27-2)
- 5-(1-Ethyl-3-methyl-1h-pyrazol-4-yl)isoxazole-3-carbohydrazide (CAS 1001519-07-8)
- 2-(1h-Imidazol-1-yl)pyridin-3-amine dihydrochloride (CAS 1171804-01-5)
- 3-(2-Bromoethyl)-2,3-dihydro-1,3-benzoxazol-2-one (CAS 27170-93-0)
- 2-(4-Amino-3,5-dimethyl-1h-pyrazol-1-yl)acetamide (CAS 1152950-63-4)
- Ethyl 2-oxo-2-(1-oxo-1,2,3,4-tetrahydronaphthalen-2-yl)acetate (CAS 58199-07-8)
- 3-((M-tolyloxy)methyl)piperidine (CAS 693764-34-0)
- 2-(Dihydro-2H-thiopyran-4(3H)-ylidene)malononitrile (CAS 62702-80-1)
- Semaglutide Impurity 161 (x TFA Salt) (CAS CATO-C4X-2226161)
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