68541-74-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 68541-74-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,8,5,4 and 1 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 68541-74:
(7*6)+(6*8)+(5*5)+(4*4)+(3*1)+(2*7)+(1*4)=152
152 % 10 = 2
So 68541-74-2 is a valid CAS Registry Number.