1285669-98-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1285669-98-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,8,5,6,6 and 9 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1285669-98:
(9*1)+(8*2)+(7*8)+(6*5)+(5*6)+(4*6)+(3*9)+(2*9)+(1*8)=218
218 % 10 = 8
So 1285669-98-8 is a valid CAS Registry Number.