76921-20-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 76921-20-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,6,9,2 and 1 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 76921-20:
(7*7)+(6*6)+(5*9)+(4*2)+(3*1)+(2*2)+(1*0)=145
145 % 10 = 5
So 76921-20-5 is a valid CAS Registry Number.
76921-20-5Relevant articles and documents
Reduction of 4-Arylazoindoles
Kurilo, G. N.,Rostova, N. I.,Cherkasova, A. A.,Turchin, K. F.,Alekseeva, L. M.,Grinev, A. N.
, p. 1043 - 1047 (2007/10/02)
It was established that 4-acetamido-5-hydroxyindole derivatives are formed in the reduction of 4-phenylazo-5-hydroxyindole derivatives with zinc dust in acetic acid in the presence of acetic anhydride and sodium acetate.However, p-semidine rearrangement o
