2-Thiohydantoin

Also known as: 2-Thioxo-4-imidazolidinone, 4-Imidazolidinone, 2-thioxo-, 2-thioxoimidazolidin-4-one, NSC 11772, MFCD00005277

2-Thiohydantoin (CAS 503-87-7) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C3H4N2OS and a molecular weight of 116.142 g/mol. Key properties include a melting point of 229-231 °C (dec.)(lit.) and a density of 1.5±0.1 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 503-87-7
Jingsj CID: J-1339-8
Molecular Formula: C₃H₄N₂OS
Molecular Weight: 116.142 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

Request MSDS / TDS

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point	229-231 °C (dec.)(lit.)
Density	1.5±0.1 g/cm3
Exact Mass	116.004433
PSA	73.22000
LogP	-0.62
Additional Property	4 (vs air)
Refractive Index	1.655

Activity & Biological Data

Additional Information	[1]. Ayşe OngunYüce, et al. Adsorption and inhibition effect of 2-thiohydantoin on mild steel corrosion in 0.1 M HCl. Corrosion Science. 2012, May (58): 86-94.

Customs & Trade Information

HS Code	2933990090
Summary	2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. 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 2-Thiohydantoin?

The CAS number of 2-Thiohydantoin is 503-87-7.

What are the molecular formula and molecular weight of 2-Thiohydantoin?

2-Thiohydantoin has molecular formula C3H4N2OS and molecular weight 116.142 g/mol.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "2-Thiohydantoin (CAS 503-87-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1339-8 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.