69662-77-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 69662-77-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,9,6,6 and 2 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 69662-77:
(7*6)+(6*9)+(5*6)+(4*6)+(3*2)+(2*7)+(1*7)=177
177 % 10 = 7
So 69662-77-7 is a valid CAS Registry Number.
69662-77-7Relevant 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
