77507-54-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77507-54-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,5,0 and 7 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 77507-54:
(7*7)+(6*7)+(5*5)+(4*0)+(3*7)+(2*5)+(1*4)=151
151 % 10 = 1
So 77507-54-1 is a valid CAS Registry Number.
77507-54-1Relevant articles and documents
One-pot synthesis of 1-phenylsulfonyl-2-aroylindoles
Dhayalan, Vasudevan,Panchapakesan, Ganapathy,Mohanakrishnan, Arasambattu K.
, p. 402 - 411 (2012)
Interaction of phenylsulfonyl-2-aminobenzaldehyde with 2-bromo-1- phenylethanones in the presence of K2CO3 followed by acid-catalyzed dehydration led to the formation of 1-phenylsulfonyl-2-aroylindoles.Copyright Taylor & Francis Group, LLC.