Isatin 3-thiosemicarbazone
Also known as: 1H-indole-2,3-dione 3-thiosemicarbazone, 2-(1,2-dihydro-2-oxo-3H-indol-3-ylidene)hydrazinecarbothioamide, 2-(2-oxoindolin-3-ylidene)hydrazinecarbothioamide, Isatin-3-thiosemicarbazone, Isatin thiosemicarbazone, Isatin β-thiosemicarbazone, indoline-2,3-dione-3-thiosemicarbazone, 3-Thiosemicarbazono-2-indolinone, 2-Oxo-2,3-dihydro-1H-indole-3-one thiosemicarbazone, Z-3-thiosemicarbazone of isatin, IBT, GS 1752, F1577-0011, Isatin-3-thiosemicarbazon, Isatinethiosemicarbazone, [(2-oxoindol-3-yl)amino]thiourea
Isatin 3-thiosemicarbazone (CAS 487-16-1) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C9H8N4OS and a molecular weight of 220.25100 g/mol. Key properties include a melting point of 252-254ºC, a boiling point of 437.9ºC at 760 mmHg, a density of 1.6 g/cm3 and a flash point of 218.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 487-16-1
- Jingsj CID
- J-1131061-5
- Molecular Formula
- C9H8N4OS
- Molecular Weight
- 220.25100 g/mol
- Category
- Organic Compounds
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 252-254ºC |
|---|---|
| Boiling Point | 437.9ºC at 760 mmHg |
| Density | 1.6 g/cm3 |
| Flash Point | 218.6ºC |
| Exact Mass | 220.04200 |
| PSA | 111.60000 |
| LogP | 1.40520 |
| Vapor Pressure | 7.23E-08mmHg at 25°C |
| Refractive Index | 1.79 |
Customs & Trade Information
| HS Code | 2933790090 |
|---|---|
| Summary | 2933790090. other lactams. VAT:17.0%. Tax rebate rate:9.0%. . MFN tariff:9.0%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of Isatin 3-thiosemicarbazone?
The CAS number of Isatin 3-thiosemicarbazone is 487-16-1.
What are the molecular formula and molecular weight of Isatin 3-thiosemicarbazone?
Isatin 3-thiosemicarbazone has molecular formula C9H8N4OS and molecular weight 220.25100 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. "Isatin 3-thiosemicarbazone (CAS 487-16-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1131061-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.