4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)isoxazole 4-Isoxazoleboronic acid pinacol ester 928664-98-6 Isoxazol-4-ylboronic acid pinacol ester CAS 928664-98-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 928664-98-6 |
| Molecular Formula | C9H18BNO3 |
| Molecular Weight | 199.06 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)isoxazole 4-Isoxazoleboronic acid pinacol ester 928664-98-6 Isoxazol-4-ylboronic acid pinacol ester (CAS 928664-98-6), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C9H18BNO3. Molecular weight: 199.06 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C9H18BNO3 |
| Molecular Weight | 199.06 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 1.5 |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 1 |
Related Tetramethyl Standards
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Recommended Standards
- 4-(DIMETHYLCARBAMOYL)PHENYLBORONIC ACID 4-(N,N-DIMETHYLAMINOCARBONYL)BENZENE BORONIC ACID 4-(N,N-DIMETHYLCARBAMOYL)PHENYLBORONIC ACID 405520-68-5 BC000386 (CAS 405520-68-5)
- 3-Bromotetrahydrothiophene-1,1-dioxide (CAS 14008-53-8)
- 3-(bromomethyl)thietane 1,1-dioxide (CAS 1785550-68-6)
- (E)-4-butoxybenzaldehyde oxime (CAS 61096-86-4)
- N-(m-tolyl)benzamide (CAS 582-77-4)
- 1-(2-Ethoxyphenyl)-5-oxopyrrolidine-2-carboxamide (CAS 4108-13-8)
- 2-(1-(Oxazolo[4,5-b]pyridin-2-yl)piperidin-3-yl)acetic acid (CAS 1035840-21-1)
- 1-Indanone-5-carboxylic acid, 97% (CAS 3470-45-9)
- 2-(2-Acetyl-4-chlorophenoxy)propanoic acid (CAS 1250300-24-3)
- [γ-Glu]15 Semaglutide (CAS CATO-C4X-222690)
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