L(-)-Thiazolidine-4-carboxylic acid
L-硫代脯氨酸
Also known as: L-Thioproline, L-Thiaproline, L-4-Thiazolidinecarboxylic acid, (R)-(-)-Thiazolidine-4-carboxylic acid, (R)-Thiazolidine-4-carboxylic acid, 4-Thiazolidinecarboxylic acid, (4R)-, H-Thz-OH, Thioproline
L(-)-Thiazolidine-4-carboxylic acid (CAS 34592-47-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C4H7NO2S and a molecular weight of 133.169 g/mol. It is also known as L-Thioproline, L-Thiaproline and L-4-Thiazolidinecarboxylic acid. Key properties include a melting point of 190-200 °C (dec.)(lit.), a boiling point of 350.3±37.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 165.7±26.5 °C. It is classified under GHS with signal word Danger and hazard statements H301 — Toxic if swallowed, H312 — Harmful in contact with skin and H315 — Causes skin irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 34592-47-7
- Jingsj CID
- J-30186-8
- Molecular Formula
- C4H7NO2S
- Chinese Name
- L-硫代脯氨酸
- Molecular Weight
- 133.169 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 190-200 °C (dec.)(lit.) |
|---|---|
| Boiling Point | 350.3±37.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 165.7±26.5 °C |
| Exact Mass | 133.019745 |
| PSA | 74.63000 |
| LogP | -0.39 |
| Vapor Pressure | 0.0±1.6 mmHg at 25°C |
| Refractive Index | 1.566 |
| Additional Property | 28.5 g/L (20 ºC) |
GHS Safety & Compliance
- H301 — Toxic if swallowed
- H312 — Harmful in contact with skin
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H332 — Harmful if inhaled
- H335 — May cause respiratory irritation
Activity & Biological Data
| Additional Information | [1]. Luckose F, et al. Effects of amino acid derivatives on physical, mental, and physiological activities. Crit Rev Food Sci Nutr. 2015;55(13):1793-1144. |
|---|
Customs & Trade Information
| HS Code | 2934999090 |
|---|---|
| Summary | 2934999090. other heterocyclic compounds. 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 L(-)-Thiazolidine-4-carboxylic acid?
The CAS number of L(-)-Thiazolidine-4-carboxylic acid is 34592-47-7.
What are the molecular formula and molecular weight of L(-)-Thiazolidine-4-carboxylic acid?
L(-)-Thiazolidine-4-carboxylic acid has molecular formula C4H7NO2S and molecular weight 133.169 g/mol.
Is L(-)-Thiazolidine-4-carboxylic acid hazardous?
L(-)-Thiazolidine-4-carboxylic acid has GHS signal word Danger and hazard statements H301 — Toxic if swallowed; H312 — Harmful in contact with skin; H315 — Causes skin irritation.
What are the upstream and downstream products of L(-)-Thiazolidine-4-carboxylic acid?
For L(-)-Thiazolidine-4-carboxylic acid, Upstream Products: Formaldehyde, L-Cysteine, L-Cysteine hydrochloride anhydrous; Downstream Products: N-Acetyl-L-thioproline, 4-Thiazolidinecarboxylic acid, methyl ester, hydrochloride (1:1), (4R)-3-(tert-Butoxycarbonyl)-1,3-thiazolidine-4-carboxylic acid.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "L(-)-Thiazolidine-4-carboxylic acid (CAS 34592-47-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-30186-8 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.