trans-3-Hydroxy-L-proline
Also known as: (2S,3S)-3-Hydroxyproline, (2S,3S)-3-Hydroxypyrrolidine-2-carboxylic acid, H-3-HYP-OH, L-3-HYDROXYPROLINE, L-3-TRANS-HYDROXYPROLINE, trans-3-Hydroxyproline, 3(S)-trans-hydroxy-L-proline, 3-Hydroxy-L-proline, MFCD00216471
trans-3-Hydroxy-L-proline (CAS 4298-08-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C5H9NO3 and a molecular weight of 131.130 g/mol. Key properties include a melting point of 235ºC, a boiling point of 355.2±42.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 168.6±27.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 4298-08-2
- Jingsj CID
- J-1360571-5
- Molecular Formula
- C5H9NO3
- Molecular Weight
- 131.130 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 235ºC |
|---|---|
| Boiling Point | 355.2±42.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 168.6±27.9 °C |
| Exact Mass | 131.058243 |
| PSA | 69.56000 |
| LogP | -1.66 |
| Vapor Pressure | 0.0±1.8 mmHg at 25°C |
| Refractive Index | 1.540 |
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 trans-3-Hydroxy-L-proline?
The CAS number of trans-3-Hydroxy-L-proline is 4298-08-2.
What are the molecular formula and molecular weight of trans-3-Hydroxy-L-proline?
trans-3-Hydroxy-L-proline has molecular formula C5H9NO3 and molecular weight 131.130 g/mol.
What are the upstream and downstream products of trans-3-Hydroxy-L-proline?
For trans-3-Hydroxy-L-proline, Upstream Products: L-Proline, (3R,7aS)-3-Phenyltetrahydropyrrolo[1,2-c]oxazol-5(3H)-one; Downstream Products: (2S,3R)-1-(tert-Butoxycarbonyl)-3-hydroxypyrrolidine-2-carboxylic acid, (2S,3S)-1-(tert-Butoxycarbonyl)-3-hydroxypyrrolidine-2-carboxylic acid methyl ester, (2S,3S)-1-(tert-Butoxycarbonyl)-3-hydroxypyrrolidine-2-carboxylic acid.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "trans-3-Hydroxy-L-proline (CAS 4298-08-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1360571-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.