5-(4-Pyridinyl)-1,3,4-oxadiazole-2-thiol
Also known as: 5-(4-Pyridyl)-1,3,4-oxadiazole-2-thiol, 5-(4-PYRIDINYL)-1,3,4-OXADIAZOLE-2-THIOL, 5-(4-PYRIDINYL)-1,3,4-OXADIAZOL-2-YLHYDROSULFIDE, 5-(Pyridin-4-yl)-1,3,4-oxadiazole-2-thiol, 5-Pyridin-4-yl-1,3,4-oxadiazole-2-thiol, 5-Pyridin-4-yl-3H-1,3,4-oxadiazole-2-thione, 5-(4-Pyridinyl)-3H-1,3,4-oxadiazole-2-thione
5-(4-Pyridinyl)-1,3,4-oxadiazole-2-thiol (CAS 15264-63-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H5N3OS and a molecular weight of 179.19900 g/mol. Key properties include a melting point of 270-275 °C(lit.), a boiling point of 274.9ºC at 760 mmHg, a density of 1.52g/cm3 and a flash point of 120.1ºC. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 15264-63-8
- Jingsj CID
- J-15454-1
- Molecular Formula
- C7H5N3OS
- Molecular Weight
- 179.19900 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 270-275 °C(lit.) |
|---|---|
| Boiling Point | 274.9ºC at 760 mmHg |
| Density | 1.52g/cm3 |
| Flash Point | 120.1ºC |
| Exact Mass | 179.01500 |
| PSA | 90.61000 |
| LogP | 1.42030 |
| Vapor Pressure | 0.00524mmHg at 25°C |
| Refractive Index | 1.744 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
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 5-(4-Pyridinyl)-1,3,4-oxadiazole-2-thiol?
The CAS number of 5-(4-Pyridinyl)-1,3,4-oxadiazole-2-thiol is 15264-63-8.
What are the molecular formula and molecular weight of 5-(4-Pyridinyl)-1,3,4-oxadiazole-2-thiol?
5-(4-Pyridinyl)-1,3,4-oxadiazole-2-thiol has molecular formula C7H5N3OS and molecular weight 179.19900 g/mol.
Is 5-(4-Pyridinyl)-1,3,4-oxadiazole-2-thiol hazardous?
5-(4-Pyridinyl)-1,3,4-oxadiazole-2-thiol has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
What are the upstream and downstream products of 5-(4-Pyridinyl)-1,3,4-oxadiazole-2-thiol?
For 5-(4-Pyridinyl)-1,3,4-oxadiazole-2-thiol, Upstream Products: Carbon disulphide, Isoniazid, Isonicotinic acid; Downstream Products: 4-Amino-5-(pyridin-4-yl)-4H-1,2,4-triazole-3-thiol, 5-(pyridin-4-yl)-1,3,4-oxadiazol-2(3H)-one, 2-(Pyridin-4-yl)-1,3,4-oxadiazole.
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-(4-Pyridinyl)-1,3,4-oxadiazole-2-thiol (CAS 15264-63-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-15454-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.