5-Methylpyridine-3-boronic acid
Also known as: 5-Methyl-3-pyridineboronic acid, (5-Methylpyridin-3-yl)boronic acid, (5-Methyl-3-pyridinyl)boronic acid, Boronic acid, B-(5-methyl-3-pyridinyl)-, Boronic acid, (5-methyl-3-pyridinyl)- (9CI)
5-Methylpyridine-3-boronic acid (CAS 173999-18-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H8BNO2 and a molecular weight of 136.944 g/mol. Key properties include a boiling point of 331.9±44.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 154.5±28.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 173999-18-3
- Jingsj CID
- J-1309178-6
- Molecular Formula
- C6H8BNO2
- Molecular Weight
- 136.944 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 331.9±44.0 °C at 760 mmHg |
|---|---|
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 154.5±28.4 °C |
| Exact Mass | 137.064804 |
| PSA | 53.35000 |
| LogP | 0.56 |
| Vapor Pressure | 0.0±0.8 mmHg at 25°C |
| Refractive Index | 1.528 |
Customs & Trade Information
| HS Code | 2933399090 |
|---|---|
| Summary | 2933399090. other compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure. 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 5-Methylpyridine-3-boronic acid?
The CAS number of 5-Methylpyridine-3-boronic acid is 173999-18-3.
What are the molecular formula and molecular weight of 5-Methylpyridine-3-boronic acid?
5-Methylpyridine-3-boronic acid has molecular formula C6H8BNO2 and molecular weight 136.944 g/mol.
What are the upstream and downstream products of 5-Methylpyridine-3-boronic acid?
For 5-Methylpyridine-3-boronic acid, Upstream Products: 3-Bromo-5-methylpyridine.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "5-Methylpyridine-3-boronic acid (CAS 173999-18-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1309178-6 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.