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methyl (2S,4R)-4-hydroxypyrrolidine-2-carboxylate

Also known as: AmbotzHAA1091, L-4-Trans-Hydroxyproline Methyl Ester, L-Proline, 4-hydroxy-, methyl ester, (4R)-, methyl (2S,4R)-4-hydroxypyrrolidine-2-carboxylate, methyl 4-hydroxyprolinate, trans-4-hydroxy-L-proline methyl ester

methyl (2S,4R)-4-hydroxypyrrolidine-2-carboxylate (CAS 1499-56-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H11NO3 and a molecular weight of 145.15600 g/mol. Key properties include a melting point of 156-160°C (lit.), a boiling point of 247.177ºC at 760 mmHg, a density of 1.216g/cm3 and a flash point of 103.289ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1499-56-5
Jingsj CID
J-1466115-5
Molecular Formula
C6H11NO3
Molecular Weight
145.15600 g/mol
Category
Organic Acids
Last updated
8/21/2026
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Physicochemical Properties

Melting Point156-160°C (lit.)
Boiling Point247.177ºC at 760 mmHg
Density1.216g/cm3
Flash Point103.289ºC
Exact Mass145.07400
PSA58.56000
Vapor Pressure0.004mmHg at 25°C
Refractive Index1.487

Frequently Asked Questions

What is the CAS number of methyl (2S,4R)-4-hydroxypyrrolidine-2-carboxylate?

The CAS number of methyl (2S,4R)-4-hydroxypyrrolidine-2-carboxylate is 1499-56-5.

What are the molecular formula and molecular weight of methyl (2S,4R)-4-hydroxypyrrolidine-2-carboxylate?

methyl (2S,4R)-4-hydroxypyrrolidine-2-carboxylate has molecular formula C6H11NO3 and molecular weight 145.15600 g/mol.

What are the upstream and downstream products of methyl (2S,4R)-4-hydroxypyrrolidine-2-carboxylate?

For methyl (2S,4R)-4-hydroxypyrrolidine-2-carboxylate, Upstream Products: Methanol, L-Hydroxyproline, N-Boc-trans-4-hydroxy-L-proline methyl ester; Downstream Products: (2S,4R)-1-[(9H-fluoren-9-ylmethoxy)carbonyl]-4-({[2-({[(2-methyl-2-propanyl)oxy]carbonyl}amino)ethyl]carbamoyl}oxy)pyrrolidine-2-carboxylic acid, Kainic acid, (2S,4R)-Methyl 1-benzoyl-4-hydroxypyrrolidine-2-carboxylate.

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

Last updated:

How to cite: Jingsj. "methyl (2S,4R)-4-hydroxypyrrolidine-2-carboxylate (CAS 1499-56-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1466115-5 (accessed 2026-11-09).

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