Phenylthiohydantoin-alanine

苯基硫代乙内酰脲-丙氨酸

Also known as: PTH-alanine, PTH-DL-alanine, PTH-DL-alpha-alanine, 5-Methyl-3-phenyl-2-thiohydantoin, 5-methyl-3-phenyl-2-sulfanylideneimidazolidin-4-one, MFCD00027414, EINECS 224-373-6, Hydantoin, 5-methyl-3-phenyl-2-thio-

Phenylthiohydantoin-alanine (CAS 4333-19-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C10H10N2OS and a molecular weight of 206.26400 g/mol. It is also known as PTH-alanine, PTH-DL-alanine and PTH-DL-alpha-alanine. Key properties include a melting point of 187 °C, a boiling point of 298.1ºC at 760 mmHg, a density of 1.33g/cm3 and a flash point of 134.1ºC. It is classified under GHS with signal word Danger and hazard statements H301 — Toxic if swallowed, H311 — Toxic in contact with skin and H331 — Toxic if inhaled. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

4333-19-1

Jingsj CID

J-25941-1

Molecular Formula

C₁₀H₁₀N₂OS

Chinese Name

苯基硫代乙内酰脲-丙氨酸

Molecular Weight

206.26400 g/mol

Category

Organic Acids

Last updated

8/21/2026