77853-34-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 77853-34-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,7,8,5 and 3 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 77853-34:
(7*7)+(6*7)+(5*8)+(4*5)+(3*3)+(2*3)+(1*4)=170
170 % 10 = 0
So 77853-34-0 is a valid CAS Registry Number.