4-Acetamidopyridine
Also known as: N-(4-Pyridyl)acetamide, N-(Pyridin-4-yl)acetamide, 4-acetylaminopyridine
4-Acetamidopyridine (CAS 5221-42-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H8N2O and a molecular weight of 136.15100 g/mol. Key properties include a melting point of 152ºC, a boiling point of 344.3ºC at 760mmHg, a density of 1.176g/cm3 and a flash point of 162ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 5221-42-1
- Jingsj CID
- J-1148192-8
- Molecular Formula
- C7H8N2O
- Molecular Weight
- 136.15100 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 152ºC |
|---|---|
| Boiling Point | 344.3ºC at 760mmHg |
| Density | 1.176g/cm3 |
| Flash Point | 162ºC |
| Exact Mass | 136.06400 |
| PSA | 41.99000 |
| LogP | 1.11300 |
| Refractive Index | 1.581 |
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-Acetamidopyridine?
The CAS number of 4-Acetamidopyridine is 5221-42-1.
What are the molecular formula and molecular weight of 4-Acetamidopyridine?
4-Acetamidopyridine has molecular formula C7H8N2O and molecular weight 136.15100 g/mol.
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-Acetamidopyridine (CAS 5221-42-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1148192-8 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.