77422-35-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77422-35-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,4,2 and 2 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 77422-35:
(7*7)+(6*7)+(5*4)+(4*2)+(3*2)+(2*3)+(1*5)=136
136 % 10 = 6
So 77422-35-6 is a valid CAS Registry Number.