(4R)-3-[(9H-fluoren-9-ylmethoxy)carbonyl]-1,3-thiazolidine-4-carboxylic acid

(4R)-3-[(9H-芴-9-甲氧基)羰基]-1,3-噻唑烷-4-羧酸

Also known as: Fmoc-Thz-OH, Fmoc-L-thioproline, Fmoc-L-thiaproline, Fmoc-(R)-thiazolidine-4-carboxylic acid, N-Fmoc-thiazolidine-4-carboxylic acid, (-)-Fmoc-L-thiaproline, 3-{[(9H-fluoren-9-yl)methoxy]carbonyl}-1,3-thiazolidine-4-carboxylic acid, FMOC-L-THIAPROLINE, FMOC-THZ-OH

(4R)-3-[(9H-fluoren-9-ylmethoxy)carbonyl]-1,3-thiazolidine-4-carboxylic acid (CAS 423719-54-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C20H17NO4S and a molecular weight of 367.41800 g/mol. It is also known as Fmoc-Thz-OH, Fmoc-L-thioproline and Fmoc-L-thiaproline. Key properties include a melting point of 153-158ºC, a boiling point of 591.614ºC at 760 mmHg, a density of 1.402g/cm3 and a flash point of 311.597ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
423719-54-4
Jingsj CID
J-1525012-6
Molecular Formula
C20H17NO4S
Chinese Name
(4R)-3-[(9H-芴-9-甲氧基)羰基]-1,3-噻唑烷-4-羧酸
Molecular Weight
367.41800 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point153-158ºC
Boiling Point591.614ºC at 760 mmHg
Density1.402g/cm3
Flash Point311.597ºC

Frequently Asked Questions

What is the CAS number of (4R)-3-[(9H-fluoren-9-ylmethoxy)carbonyl]-1,3-thiazolidine-4-carboxylic acid?

The CAS number of (4R)-3-[(9H-fluoren-9-ylmethoxy)carbonyl]-1,3-thiazolidine-4-carboxylic acid is 423719-54-4.

What are the molecular formula and molecular weight of (4R)-3-[(9H-fluoren-9-ylmethoxy)carbonyl]-1,3-thiazolidine-4-carboxylic acid?

(4R)-3-[(9H-fluoren-9-ylmethoxy)carbonyl]-1,3-thiazolidine-4-carboxylic acid has molecular formula C20H17NO4S and molecular weight 367.41800 g/mol.

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

Last updated:

How to cite: Jingsj. "(4R)-3-[(9H-fluoren-9-ylmethoxy)carbonyl]-1,3-thiazolidine-4-carboxylic acid (CAS 423719-54-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1525012-6 (accessed 2026-10-25).

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