PTH-valine

Also known as: 5-Isopropyl-3-phenyl-2-thiohydantoin, 5-Isopropyl-3-phenyl-2-thioxo-4-imidazolidinone, PTH-DL-valine, Phenylthiohydantoin-valine, Phenylthiohydantoin-DL-valine, Valine 3-phenyl-2-thiohydantoin

PTH-valine (CAS 4333-20-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C12H14N2OS and a molecular weight of 234.31700 g/mol. Key property: a melting point of 209ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 4333-20-4
Jingsj CID: J-9192-9
Molecular Formula: C₁₂H₁₄N₂OS
Molecular Weight: 234.31700 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	209ºC
Exact Mass	234.08300
PSA	64.43000
LogP	2.32610

Customs & Trade Information

HS Code	2933990090
Summary	2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of PTH-valine?

The CAS number of PTH-valine is 4333-20-4.

What are the molecular formula and molecular weight of PTH-valine?

PTH-valine has molecular formula C12H14N2OS and molecular weight 234.31700 g/mol.

What are the upstream and downstream products of PTH-valine?

For PTH-valine, Upstream Products: N-(tert-Butoxycarbonyl)-L-valine, Phenyl isothiocyanate, DL-Valine.

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

Last updated: 8/21/2026

How to cite: Jingsj. "PTH-valine (CAS 4333-20-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-9192-9 (accessed 2026-11-09).

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