1-(Tetrahydro-2H-pyran-2-yl)-1H-pyrazole-5-boronic acid pinacol ester
Also known as: 1-(Tetrahydropyran-2-yl)-1H-pyrazole-5-boronic acid pinacol ester, 1-(oxan-2-yl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole, 1-(tetrahydro-2H-pyran-2-yl)-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole, Pinacol 1-(Oxan-2-yl)-5-pyrazole-boronate, 1-tetrahydropyran-1H-pyrazolylboronic ester, 1-THP-Pyrazole-5-boronic acid pinacol ester, 1-(2-Tetrahydropyranyl)-1H-pyrazole-5-boronic acid pinacol ester
1-(Tetrahydro-2H-pyran-2-yl)-1H-pyrazole-5-boronic acid pinacol ester (CAS 903550-26-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C14H23BN2O3 and a molecular weight of 278.16 g/mol. Key properties include a melting point of 76 °C, a boiling point of 413.8±35.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 204.1±25.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 903550-26-5
- Jingsj CID
- J-1960303-3
- Molecular Formula
- C14H23BN2O3
- Molecular Weight
- 278.16 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 76 °C |
|---|---|
| Boiling Point | 413.8±35.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 204.1±25.9 °C |
| Exact Mass | 278.180176 |
| PSA | 45.51000 |
| LogP | 1.88140 |
| Vapor Pressure | 0.0±0.9 mmHg at 25°C |
| Refractive Index | 1.545 |
Customs & Trade Information
| HS Code | 2934999090 |
|---|---|
| Summary | 2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of 1-(Tetrahydro-2H-pyran-2-yl)-1H-pyrazole-5-boronic acid pinacol ester?
The CAS number of 1-(Tetrahydro-2H-pyran-2-yl)-1H-pyrazole-5-boronic acid pinacol ester is 903550-26-5.
What are the molecular formula and molecular weight of 1-(Tetrahydro-2H-pyran-2-yl)-1H-pyrazole-5-boronic acid pinacol ester?
1-(Tetrahydro-2H-pyran-2-yl)-1H-pyrazole-5-boronic acid pinacol ester has molecular formula C14H23BN2O3 and molecular weight 278.16 g/mol.
What are the upstream and downstream products of 1-(Tetrahydro-2H-pyran-2-yl)-1H-pyrazole-5-boronic acid pinacol ester?
For 1-(Tetrahydro-2H-pyran-2-yl)-1H-pyrazole-5-boronic acid pinacol ester, Upstream Products: 2,3-Dimethyl-2,3-butanediol, 1-(Tetrahydro-2H-pyran-2-yl)-1H-pyrazole, Triisopropyl borate; Downstream Products: 1-(Tetrahydro-2H-pyran-2-yl)-1H-pyrazole.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1-(Tetrahydro-2H-pyran-2-yl)-1H-pyrazole-5-boronic acid pinacol ester (CAS 903550-26-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1960303-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.