1028205-74-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1028205-74-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,2,8,2,0 and 5 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1028205-74:
(9*1)+(8*0)+(7*2)+(6*8)+(5*2)+(4*0)+(3*5)+(2*7)+(1*4)=114
114 % 10 = 4
So 1028205-74-4 is a valid CAS Registry Number.