3-Ethyl-1-(tetrahydro-2H-pyran-2-yl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole CAS 959755-76-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 959755-76-1 |
| Molecular Formula | C16H27BN2O3 |
| Molecular Weight | 306.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Ethyl-1-(tetrahydro-2H-pyran-2-yl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole (CAS 959755-76-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C16H27BN2O3. Molecular weight: 306.21 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C16H27BN2O3 |
| Molecular Weight | 306.21 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 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) | 4.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 2 |
Related Ethyl Standards
- 3,5-Bis((tetrahydro-2H-pyran-2-yl)oxy)benzaldehyde (CAS 268232-54-8)
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- 2-((tetrahydro-2H-pyran-4-yl)oxy)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine (CAS 910036-98-5)
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Recommended Standards
- 3,5-Dimethyl-1-(tetrahydro-2H-pyran-4-yl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole (CAS 2246602-45-7)
- 4-(2,4-Dichlorophenyl)-2-phenylthiazole (CAS 866152-39-8)
- 2-[(E)-2-(2,4-Dichlorophenyl)ethenyl]-1,3-benzothiazole (CAS 338417-04-2)
- 9-(Trifluoromethyl)-1,2,3,4-tetrahydro-5H-[1,4]diazepino[6,5-c]quinolin-5-one (CAS 1255779-28-2)
- 4-Isopropyl-1h-pyrrole-3-carboxylic acid (CAS 874496-74-9)
- Cilastatin Impurity 15 Sodium salt (CAS CATO-C4X-196015)
- 4-Bromo-5-methylpicolinohydrazide (CAS 1823346-34-4)
- 3-Amino-4,5-dihydroxyhexanal (CAS 19196-51-1)
- 6-Cyclopropyl-4-(trifluoromethyl)benzofuran-2-carboxylic acid (CAS 2768105-68-4)
- Semaglutide impurity 104(Fmoc-D-His-Aib) (CAS 2171211-18-8)
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