19641-24-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 19641-24-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,9,6,4 and 1 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 19641-24:
(7*1)+(6*9)+(5*6)+(4*4)+(3*1)+(2*2)+(1*4)=118
118 % 10 = 8
So 19641-24-8 is a valid CAS Registry Number.
19641-24-8Relevant academic research and scientific papers
Przheval'Skii,Skvortsova,Magedov
, p. 1055 - 1061 (2002)
Phenylhydrazones were obtained by the reaction of phenylhydrazine with ω-(N-acylamino)-acetophenones and were converted into 3-(N-acylamino)indoles by the Fischer cyclizaction.
