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ethyl 5-methyl-1-(phenylsulfonyl)-3,3'-bipyrrole-2'-carboxylate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

90704-17-9

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90704-17-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 90704-17-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,7,0 and 4 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 90704-17:
(7*9)+(6*0)+(5*7)+(4*0)+(3*4)+(2*1)+(1*7)=119
119 % 10 = 9
So 90704-17-9 is a valid CAS Registry Number.

90704-17-9Relevant academic research and scientific papers

Studies on the Synthesis of the Antitumor Agent CC-1065. Synthesis of PDE I and PDE II, Inhibitors of Cyclic Adenosine-3',5'-monophosphate Phosphodiesterase Using the 3,3'-Bipyrrole Strategy

Carter, Paul,Fitzjohn, Steven,Halazy, Serge,Magnus, Philip

, p. 2711 - 2717 (2007/10/02)

In the model series tert-butyl 2,4-pentadienoate was treated with TosCHMeNC/NaH to give the pyrrole 18, which was converted into the 3,3'-bipyrrole 20.Treatment of the pyrrole 20 with oxalyl chloride gave the o-quinone 21, which was reduced and concomitan

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