69660-43-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 69660-43-1 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 0 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 69660-43:
(7*6)+(6*9)+(5*6)+(4*6)+(3*0)+(2*4)+(1*3)=161
161 % 10 = 1
So 69660-43-1 is a valid CAS Registry Number.