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trans-1-Benzoyl-4-phenyl-L-proline

Also known as: (4S)-1-Benzoyl-4-phenyl-L-proline, 1-benzoyl-4-phenyl-2-pyrrolidinecarboxylic acid, L-Proline, 1-benzoyl-4-phenyl-, trans- (9CI), MFCD08063936, trans-1-Benzoyl-4-phenylpyrrolidine-2-carboxylic acid, TRANS-1-BENZOYL-4-PHENYL-L-PROLINE (INTERMEDIATE OF FOSINOPRIL), trans-1-Benzoyl-4-phenyl-L-proline USP/EP/BP

trans-1-Benzoyl-4-phenyl-L-proline (CAS 120851-71-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C18H17NO3 and a molecular weight of 295.332 g/mol. Key properties include a boiling point of 518.1±50.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 267.2±30.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
120851-71-0
Jingsj CID
J-1179351-4
Molecular Formula
C18H17NO3
Molecular Weight
295.332 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point518.1±50.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point267.2±30.1 °C
Exact Mass295.120850
PSA57.61000
LogP1.63
Vapor Pressure0.0±1.4 mmHg at 25°C
Refractive Index1.623

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 trans-1-Benzoyl-4-phenyl-L-proline?

The CAS number of trans-1-Benzoyl-4-phenyl-L-proline is 120851-71-0.

What are the molecular formula and molecular weight of trans-1-Benzoyl-4-phenyl-L-proline?

trans-1-Benzoyl-4-phenyl-L-proline has molecular formula C18H17NO3 and molecular weight 295.332 g/mol.

What are the upstream and downstream products of trans-1-Benzoyl-4-phenyl-L-proline?

For trans-1-Benzoyl-4-phenyl-L-proline, Upstream Products: (2S,4R)-Methyl 1-benzoyl-4-hydroxypyrrolidine-2-carboxylate, benzene.

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-1-Benzoyl-4-phenyl-L-proline (CAS 120851-71-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1179351-4 (accessed 2026-11-09).

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