68974-90-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 68974-90-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,8,9,7 and 4 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 68974-90:
(7*6)+(6*8)+(5*9)+(4*7)+(3*4)+(2*9)+(1*0)=193
193 % 10 = 3
So 68974-90-3 is a valid CAS Registry Number.