Ketoprofen Intermediates

Two sellable positions on the proven green-DMC meta-cyanoethyl route. One product, one page — pick where you plug in.

CAS 5537-71-3CAS 68432-92-8Purity ≥ 99.0% (HPLC)Export-ready from Ningbo

Product Series

One Chain, Two Products

CEBA is our core intermediate — the direct entry point into the Ketoprofen API back-end; NCB is available upstream for buyers who run full-route plants. All figures anchored to published patents.

CORE INTERMEDIATE · DIRECT ENTRY

CEBA

3-(1-Cyanoethyl)benzoic acid · CAS 5537-71-3

C₁₀H₉NO₂MW 175.18≥99.0% HPLC

Core intermediate. White to off-white crystalline powder; drop into your acyl-chloride / Friedel–Crafts stage and skip all upstream steps. Downstream to API: step yield 99%, purity 99.5–99.7% (CN105037127A).

View CEBA → UPSTREAM PRECURSOR

NCB

Methyl 3-(cyanomethyl)benzoate · CAS 68432-92-8

C₁₀H₉NO₂MW 175.18≥95.0% GC/HPLC

Upstream precursor; colourless-to-light-yellow liquid on the green DMC/K₂CO₃ methylation (180 °C / 3 MPa, no methyl iodide) that runs straight to CEBA.

View NCB →