134274-04-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 134274-04-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,4,2,7 and 4 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 134274-04:
(8*1)+(7*3)+(6*4)+(5*2)+(4*7)+(3*4)+(2*0)+(1*4)=107
107 % 10 = 7
So 134274-04-7 is a valid CAS Registry Number.
134274-04-7Relevant articles and documents
A Convenient Synthesis of New Aminomethylenedioxypyrroloindoles via an Iminium Salt
Bouyazza, Lahboub,Lancelot, Jean-Charles,Rault, Sylvain,Robba, Max,Quermonne, Marie anne
, p. 373 - 377 (2007/10/02)
Cyclization of 2-(1-pyrrolyl)piperonylcarboxamide derivatives gave iminium perchlorates which afforded 9-(N-substituted-imino) and 9-(N-subsituted amino)-6,7-methylenedioxypyrroloindoles.