Phenylthiohydantoin-DL-threonine

苯基硫代乙内酰脲-苏氨酸

Also known as: 4-Imidazolidinone,5-(1-hydroxyethyl)-3-phenyl-2-thioxo-, 5-(1-Hydroxyethyl)-3-phenyl-2-thioxo-4-imidazolidinone, 5-(1-hydroxyethyl)-3-phenyl-2-sulfanylidene-4-imidazolidinone, 5-(1-hydroxyethyl)-3-phenyl-2-thioxoimidazolidin-4-one, D,L-threonine N-phenylthiohydantoin, EINECS 227-321-0, MFCD00038439, PHENYLTHIOHYDANTOIN-DL-THREONINE, PHENYLTHIOHYDANTOIN-THREONINE, PTH-DL-THREONINE, PTH-DL-Threonine Phenylthiohydantoin-DL-threonine, PTH-THREONINE, Threonin-phenylthiohydantoin, phenylthiohydantoin-threonine, threonine 3-phenylthiohydantoin

Phenylthiohydantoin-DL-threonine (CAS 5789-21-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C11H12N2O2S and a molecular weight of 236.29000 g/mol. It is also known as 4-Imidazolidinone,5-(1-hydroxyethyl)-3-phenyl-2-thioxo-, 5-(1-Hydroxyethyl)-3-phenyl-2-thioxo-4-imidazolidinone and 5-(1-hydroxyethyl)-3-phenyl-2-sulfanylidene-4-imidazolidinone. Key properties include a melting point of 144-146°C, a boiling point of 167-168°C 12mm and a flash point of 167-168°C/12mm. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
5789-21-9
Jingsj CID
J-45463-2
Molecular Formula
C11H12N2O2S
Chinese Name
苯基硫代乙内酰脲-苏氨酸
Molecular Weight
236.29000 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point144-146°C
Boiling Point167-168°C 12mm
Flash Point167-168°C/12mm

Frequently Asked Questions

What is the CAS number of Phenylthiohydantoin-DL-threonine?

The CAS number of Phenylthiohydantoin-DL-threonine is 5789-21-9.

What are the molecular formula and molecular weight of Phenylthiohydantoin-DL-threonine?

Phenylthiohydantoin-DL-threonine has molecular formula C11H12N2O2S and molecular weight 236.29000 g/mol.

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

Last updated:

How to cite: Jingsj. "Phenylthiohydantoin-DL-threonine (CAS 5789-21-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-45463-2 (accessed 2026-10-23).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.