1028285-17-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1028285-17-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,2,8,2,8 and 5 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1028285-17:
(9*1)+(8*0)+(7*2)+(6*8)+(5*2)+(4*8)+(3*5)+(2*1)+(1*7)=137
137 % 10 = 7
So 1028285-17-7 is a valid CAS Registry Number.