Phenylthiohydantoin-norleucine

苯基硫代乙内酰脲-正亮氨酸

Also known as: 5-Butyl-3-phenyl-2-thiohydantoin, 5-Butyl-3-phenyl-2-thioxo-4-imidazolidinone, 2-Thioxo-3-phenyl-5-butylimidazolidine-4-one, PTH-norleucine, PTH-DL-norleucine, Phenylthiohydantoin-DL-norleucine

Phenylthiohydantoin-norleucine (CAS 4333-22-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C13H16N2OS and a molecular weight of 248.34400 g/mol. It is also known as 5-Butyl-3-phenyl-2-thiohydantoin, 5-Butyl-3-phenyl-2-thioxo-4-imidazolidinone and 2-Thioxo-3-phenyl-5-butylimidazolidine-4-one. Key properties include a melting point of 136ºC, a boiling point of 343.9ºC at 760 mmHg, a density of 1.22g/cm3 and a flash point of 161.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
4333-22-6
Jingsj CID
J-30177-8
Molecular Formula
C13H16N2OS
Chinese Name
苯基硫代乙内酰脲-正亮氨酸
Molecular Weight
248.34400 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point136ºC
Boiling Point343.9ºC at 760 mmHg
Density1.22g/cm3
Flash Point161.8ºC

Frequently Asked Questions

What is the CAS number of Phenylthiohydantoin-norleucine?

The CAS number of Phenylthiohydantoin-norleucine is 4333-22-6.

What are the molecular formula and molecular weight of Phenylthiohydantoin-norleucine?

Phenylthiohydantoin-norleucine has molecular formula C13H16N2OS and molecular weight 248.34400 g/mol.

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

Last updated:

How to cite: Jingsj. "Phenylthiohydantoin-norleucine (CAS 4333-22-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-30177-8 (accessed 2026-10-23).

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