PTH-α-aminobutyric acid

PTH-DL-2-氨基丁酸

Also known as: PTH-DL-2-aminobutyric acid, PTH-alpha-aminobutyric acid, Phenylthiohydantoin alpha-aminobutyric acid, 5-Ethyl-3-phenyl-2-thioxo-4-imidazolidinone, 5-Ethyl-3-phenyl-2-sulfanylideneimidazolidin-4-one, 2-Thioxo-3-phenyl-5-ethylimidazolidine-4-one

PTH-α-aminobutyric acid (CAS 66256-32-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C11H12N2OS and a molecular weight of 220.29100 g/mol. It is also known as PTH-DL-2-aminobutyric acid, PTH-alpha-aminobutyric acid and Phenylthiohydantoin alpha-aminobutyric acid. Key properties include a boiling point of 313.7ºC at 760 mmHg, a density of 1.28g/cm3 and a flash point of 143.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
66256-32-4
Jingsj CID
J-1521710-7
Molecular Formula
C11H12N2OS
Chinese Name
PTH-DL-2-氨基丁酸
Molecular Weight
220.29100 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point313.7ºC at 760 mmHg
Density1.28g/cm3
Flash Point143.5ºC

Frequently Asked Questions

What is the CAS number of PTH-α-aminobutyric acid?

The CAS number of PTH-α-aminobutyric acid is 66256-32-4.

What are the molecular formula and molecular weight of PTH-α-aminobutyric acid?

PTH-α-aminobutyric acid has molecular formula C11H12N2OS and molecular weight 220.29100 g/mol.

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

Last updated:

How to cite: Jingsj. "PTH-α-aminobutyric acid (CAS 66256-32-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1521710-7 (accessed 2026-10-24).

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