Skip to main content

1-[(benzyloxy)carbonyl]-4-hydroxypyrrolidine-2-carboxylic acid

Also known as: 1-(benzyloxycarbonyl)-4-hydroxypyrrolidine-2-carboxylic acid, N-Cbz-4-hydroxyproline, Cbz-Hyp-OH, Z-Hyp-OH, 1,2-pyrrolidinedicarboxylic acid, 4-hydroxy-, 1-(phenylmethyl) ester, 4-hydroxy-1,2-pyrrolidinedicarboxylic acid 1-benzyl ester, N-benzyloxycarbonyl-4-hydroxyproline

1-[(benzyloxy)carbonyl]-4-hydroxypyrrolidine-2-carboxylic acid (CAS 91958-67-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C13H15NO5 and a molecular weight of 265.262 g/mol. Key properties include a boiling point of 486.9±45.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 248.3±28.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
91958-67-7
Jingsj CID
J-1039802-4
Molecular Formula
C13H15NO5
Molecular Weight
265.262 g/mol
Category
Organic Acids
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Boiling Point486.9±45.0 °C at 760 mmHg
Density1.4±0.1 g/cm3
Flash Point248.3±28.7 °C
Exact Mass265.095032
PSA87.07000
LogP-0.10
Vapor Pressure0.0±1.3 mmHg at 25°C
Refractive Index1.612

Customs & Trade Information

HS Code2933990090
Summary2933990090. 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 1-[(benzyloxy)carbonyl]-4-hydroxypyrrolidine-2-carboxylic acid?

The CAS number of 1-[(benzyloxy)carbonyl]-4-hydroxypyrrolidine-2-carboxylic acid is 91958-67-7.

What are the molecular formula and molecular weight of 1-[(benzyloxy)carbonyl]-4-hydroxypyrrolidine-2-carboxylic acid?

1-[(benzyloxy)carbonyl]-4-hydroxypyrrolidine-2-carboxylic acid has molecular formula C13H15NO5 and molecular weight 265.262 g/mol.

What are the upstream and downstream products of 1-[(benzyloxy)carbonyl]-4-hydroxypyrrolidine-2-carboxylic acid?

For 1-[(benzyloxy)carbonyl]-4-hydroxypyrrolidine-2-carboxylic acid, Downstream Products: Benzyl 3-hydroxypyrrolidine-1-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. "1-[(benzyloxy)carbonyl]-4-hydroxypyrrolidine-2-carboxylic acid (CAS 91958-67-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1039802-4 (accessed 2026-11-09).

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