117845-37-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 117845-37-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,7,8,4 and 5 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 117845-37:
(8*1)+(7*1)+(6*7)+(5*8)+(4*4)+(3*5)+(2*3)+(1*7)=141
141 % 10 = 1
So 117845-37-1 is a valid CAS Registry Number.
117845-37-1Relevant articles and documents
Enamines: Part V - Synthesis of Substituted Phenyl Benzyl Ketones and 2-Arylisatogens
Kulkarni, Sheshgiri N.,Kamath, H. V.,Bhamare, N. K.
, p. 667 - 669 (2007/10/02)
Three different approaches of o/p-nitrophenyl benzyl ketones and their limitation in the synthesis of 2-arylisatogens are described.
