68261-74-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 68261-74-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,8,2,6 and 1 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 68261-74:
(7*6)+(6*8)+(5*2)+(4*6)+(3*1)+(2*7)+(1*4)=145
145 % 10 = 5
So 68261-74-5 is a valid CAS Registry Number.