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Benzyloxycarbonyl-L-proline p-nitrophenyl ester

Also known as: Z-Pro-ONp, Z-L-Pro-ONp, N-CBZ-L-proline p-nitrophenyl ester, N-carbobenzoxy-L-proline p-nitrophenyl ester, Carbobenzyloxy-L-proline p-nitrophenyl ester, p-Nitrophenylcarbobenzoxy-L-proline, 1-Benzyl 2-(4-nitrophenyl) (2S)-pyrrolidine-1,2-dicarboxylate, benzyl (2S)-2-[(4-nitrophenoxy)carbonyl]pyrrolidine-1-carboxylate

Benzyloxycarbonyl-L-proline p-nitrophenyl ester (CAS 3304-59-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C19H18N2O6 and a molecular weight of 370.356 g/mol. Key properties include a boiling point of 541.7±50.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 281.4±30.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
3304-59-4
Jingsj CID
J-64571-6
Molecular Formula
C19H18N2O6
Molecular Weight
370.356 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point541.7±50.0 °C at 760 mmHg
Density1.4±0.1 g/cm3
Flash Point281.4±30.1 °C
Exact Mass370.116486
PSA101.66000
LogP2.95
Vapor Pressure0.0±1.4 mmHg at 25°C
Refractive Index1.611
Storage Conditions2-8°C

Frequently Asked Questions

What is the CAS number of Benzyloxycarbonyl-L-proline p-nitrophenyl ester?

The CAS number of Benzyloxycarbonyl-L-proline p-nitrophenyl ester is 3304-59-4.

What are the molecular formula and molecular weight of Benzyloxycarbonyl-L-proline p-nitrophenyl ester?

Benzyloxycarbonyl-L-proline p-nitrophenyl ester has molecular formula C19H18N2O6 and molecular weight 370.356 g/mol.

What are the upstream and downstream products of Benzyloxycarbonyl-L-proline p-nitrophenyl ester?

For Benzyloxycarbonyl-L-proline p-nitrophenyl ester, Upstream Products: N-Benzyloxycarbonyl-L-proline, L-Proline, 4-Nitrophenyl chloroformate; Downstream Products: N-Carbobenzoxy-L-prolinamide, Tuftsin, LHRH (4-10).

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

Last updated:

How to cite: Jingsj. "Benzyloxycarbonyl-L-proline p-nitrophenyl ester (CAS 3304-59-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-64571-6 (accessed 2026-11-09).

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