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4-Imidazolidineacetamide,5-oxo-1-phenyl-2-thioxo-

Also known as: PTH-asparagine, phenylthiohydantoin-asparagine, 3-phenyl-2-thiohydantoin-5-acetamide, 5-oxo-1-phenyl-2-thioxo-4-imidazolidineacetamide, MFCD00070136, EINECS 227-053-4

4-Imidazolidineacetamide,5-oxo-1-phenyl-2-thioxo- (CAS 5624-08-8) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C11H11N3O2S and a molecular weight of 249.28900 g/mol. Key properties include a melting point of 235ºC, a boiling point of 470.9ºC at 760mmHg, a density of 1.45g/cm3 and a flash point of 238.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
5624-08-8
Jingsj CID
J-13012-1
Molecular Formula
C11H11N3O2S
Molecular Weight
249.28900 g/mol
Category
Organic Bases
Last updated
8/21/2026
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Physicochemical Properties

Melting Point235ºC
Boiling Point470.9ºC at 760mmHg
Density1.45g/cm3
Flash Point238.6ºC
Exact Mass249.05700
PSA107.52000
LogP1.24580
Refractive Index1.7

Frequently Asked Questions

What is the CAS number of 4-Imidazolidineacetamide,5-oxo-1-phenyl-2-thioxo-?

The CAS number of 4-Imidazolidineacetamide,5-oxo-1-phenyl-2-thioxo- is 5624-08-8.

What are the molecular formula and molecular weight of 4-Imidazolidineacetamide,5-oxo-1-phenyl-2-thioxo-?

4-Imidazolidineacetamide,5-oxo-1-phenyl-2-thioxo- has molecular formula C11H11N3O2S and molecular weight 249.28900 g/mol.

What are the upstream and downstream products of 4-Imidazolidineacetamide,5-oxo-1-phenyl-2-thioxo-?

For 4-Imidazolidineacetamide,5-oxo-1-phenyl-2-thioxo-, Upstream Products: DL-Asparagine monohydrate, Phenyl isothiocyanate; Downstream Products: PTH-aspartic acid.

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-Imidazolidineacetamide,5-oxo-1-phenyl-2-thioxo- (CAS 5624-08-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-13012-1 (accessed 2026-11-09).

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