252915-52-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 252915-52-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,2,9,1 and 5 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 252915-52:
(8*2)+(7*5)+(6*2)+(5*9)+(4*1)+(3*5)+(2*5)+(1*2)=139
139 % 10 = 9
So 252915-52-9 is a valid CAS Registry Number.
252915-52-9Relevant articles and documents
Synthesis of pharmacologically active indoles
Hishmat,Ebeid,Nakkady,Fathy,Mahmoud
, p. 259 - 266 (2007/10/03)
Formylation of 6-methoxy-1-methyl and 5-methyl,2,3-diphenyl-1H-indole (Ib and IX) gave the 5- and 6- carboxaldehyde derivatives (II and X) respectively, which were treated with ethyl cyanoacetate to form the corresponding 2-cyano-3-substituted acrylic aci
