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(S)-1-Benzyl-5-oxopyrrolidine-3-carboxylic acid

Also known as: (3S)-1-Benzyl-5-oxo-3-pyrrolidinecarboxylic acid, (S)-1-Benzyl-5-oxo-3-pyrrolidinecarboxylic acid, (S)-1-(Phenylmethyl)-5-oxo-3-pyrrolidinecarboxylic acid

(S)-1-Benzyl-5-oxopyrrolidine-3-carboxylic acid (CAS 428518-42-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C12H13NO3 and a molecular weight of 219.23700 g/mol. Key properties include a boiling point of 471.3ºC at 760 mmHg, a density of 1.314g/cm3 and a flash point of 238.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
428518-42-7
Jingsj CID
J-1036790-5
Molecular Formula
C12H13NO3
Molecular Weight
219.23700 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point471.3ºC at 760 mmHg
Density1.314g/cm3
Flash Point238.8ºC
Exact Mass219.09000
PSA57.61000
LogP1.05760
Refractive Index1.604

Customs & Trade Information

HS Code2933790090
Summary2933790090. other lactams. VAT:17.0%. Tax rebate rate:9.0%. . MFN tariff:9.0%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of (S)-1-Benzyl-5-oxopyrrolidine-3-carboxylic acid?

The CAS number of (S)-1-Benzyl-5-oxopyrrolidine-3-carboxylic acid is 428518-42-7.

What are the molecular formula and molecular weight of (S)-1-Benzyl-5-oxopyrrolidine-3-carboxylic acid?

(S)-1-Benzyl-5-oxopyrrolidine-3-carboxylic acid has molecular formula C12H13NO3 and molecular weight 219.23700 g/mol.

What are the upstream and downstream products of (S)-1-Benzyl-5-oxopyrrolidine-3-carboxylic acid?

For (S)-1-Benzyl-5-oxopyrrolidine-3-carboxylic acid, Upstream Products: Methyl 1-benzyl-5-oxo-3-pyrrolidinecarboxylate, Dimethyl itaconate, Benzylamine; Downstream Products: methyl (3S)-pyrrolidine-3-carboxylate, (S)-(1-Benzylpyrrolidin-3-yl)methanol, Methyl (3S)-1-benzyl-5-oxopyrrolidine-3-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. "(S)-1-Benzyl-5-oxopyrrolidine-3-carboxylic acid (CAS 428518-42-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1036790-5 (accessed 2026-11-09).

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