73844-66-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 73844-66-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,8,4 and 4 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 73844-66:
(7*7)+(6*3)+(5*8)+(4*4)+(3*4)+(2*6)+(1*6)=153
153 % 10 = 3
So 73844-66-3 is a valid CAS Registry Number.
73844-66-3Relevant academic research and scientific papers
Secondary products of itanoxone
Rieu,Mouzin,Cousse,Boucherle
, p. 49 - 53 (2007/10/02)
Itanoxone synthesis by Friedel-Crafts reaction between itaconic anhydride and 2-chlorobiphenyl was studied. Five isomers corresponding to possible impurities were prepared and studied to perfect a reliable and practical method to detect these impurities i
