7697-01-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 7697-01-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,6,9 and 7 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 7697-01:
(6*7)+(5*6)+(4*9)+(3*7)+(2*0)+(1*1)=130
130 % 10 = 0
So 7697-01-0 is a valid CAS Registry Number.