4-Pyridylthiourea
对吡啶基硫脲
Also known as: N-(4-Pyridyl)thiourea, pyridin-4-ylthiourea, 1-pyridin-4-ylthiourea, 4-PYRIDYLTHIOUREA
4-Pyridylthiourea (CAS 164670-44-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H7N3S and a molecular weight of 153.20500 g/mol. It is also known as N-(4-Pyridyl)thiourea, pyridin-4-ylthiourea and 1-pyridin-4-ylthiourea. Key properties include a melting point of 174 °C, a boiling point of 298.7ºC at 760 mmHg, a density of 1.382g/cm3 and a flash point of 134.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 164670-44-4
- Jingsj CID
- J-42578-6
- Molecular Formula
- C6H7N3S
- Chinese Name
- 对吡啶基硫脲
- Molecular Weight
- 153.20500 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 174 °C |
|---|---|
| Boiling Point | 298.7ºC at 760 mmHg |
| Density | 1.382g/cm3 |
| Flash Point | 134.4ºC |
| Exact Mass | 153.03600 |
| PSA | 83.03000 |
| LogP | 1.51040 |
| Vapor Pressure | 0.00125mmHg at 25°C |
| Refractive Index | 1.742 |
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-Pyridylthiourea?
The CAS number of 4-Pyridylthiourea is 164670-44-4.
What are the molecular formula and molecular weight of 4-Pyridylthiourea?
4-Pyridylthiourea has molecular formula C6H7N3S and molecular weight 153.20500 g/mol.
What are the upstream and downstream products of 4-Pyridylthiourea?
For 4-Pyridylthiourea, Upstream Products: 4-Aminopyridine.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-Pyridylthiourea (CAS 164670-44-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-42578-6 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.