80201-74-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 80201-74-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,0,2,0 and 1 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 80201-74:
(7*8)+(6*0)+(5*2)+(4*0)+(3*1)+(2*7)+(1*4)=87
87 % 10 = 7
So 80201-74-7 is a valid CAS Registry Number.