4-Methoxypicolinaldehyde
Also known as: 4-Methoxy-2-pyridinecarbaldehyde, 2-Formyl-4-methoxypyridine, 4-Methoxy-2-formylpyridine, 4-Methoxypyridine-2-carboxaldehyde, 4-Methoxypyridine-2-carbaldehyde, 2-Pyridinecarboxaldehyde, 4-methoxy-, 4-Methoxy-2-Pyridinecarboxaldehyde
4-Methoxypicolinaldehyde (CAS 16744-81-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H7NO2 and a molecular weight of 137.136 g/mol. Key properties include a boiling point of 238.7±20.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 98.1±21.8 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 16744-81-3
- Jingsj CID
- J-1444072-3
- Molecular Formula
- C7H7NO2
- Molecular Weight
- 137.136 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 238.7±20.0 °C at 760 mmHg |
|---|---|
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 98.1±21.8 °C |
| Exact Mass | 137.047684 |
| PSA | 39.19000 |
| LogP | 0.80 |
| Vapor Pressure | 0.0±0.5 mmHg at 25°C |
| Refractive Index | 1.551 |
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 4-Methoxypicolinaldehyde?
The CAS number of 4-Methoxypicolinaldehyde is 16744-81-3.
What are the molecular formula and molecular weight of 4-Methoxypicolinaldehyde?
4-Methoxypicolinaldehyde has molecular formula C7H7NO2 and molecular weight 137.136 g/mol.
What are the upstream and downstream products of 4-Methoxypicolinaldehyde?
For 4-Methoxypicolinaldehyde, Upstream Products: (4-Methoxypyridin-2-yl)methanol, Methyl 4-methoxypicolinate, 2-Picoline N-oxide; Downstream Products: (4-Methoxypyridin-2-yl)methanol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-Methoxypicolinaldehyde (CAS 16744-81-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1444072-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.