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3,4-dihydro-3-isopropylidene-4-acetoxy-1-tolylpyrrole-2,5-dione is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

123700-70-9

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123700-70-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 123700-70-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,3,7,0 and 0 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 123700-70:
(8*1)+(7*2)+(6*3)+(5*7)+(4*0)+(3*0)+(2*7)+(1*0)=89
89 % 10 = 9
So 123700-70-9 is a valid CAS Registry Number.

123700-70-9Downstream Products

123700-70-9Relevant academic research and scientific papers

A Synthetic Route to Bicyclic Pyrazolenines via 3-Chloropyrazolines and the Ring Openning of Pyrazolenines to Diazolakenes

Nakano, Yoshihiko,Hamaguchi, Masashi,Nagai, Toshikazu

, p. 5912 - 5919 (2007/10/02)

Treatment of 5,5-disubstituted 3-chloro-1-pyrazolines, derived from the reaction between disubstituted diazomethanes and dimethyl chlorofumarate, with triethylamine gives the corresponding 3,3-disubstituted 3H-pyrazoles in good yield.This method was appli

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