1026159-99-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1026159-99-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,2,6,1,5 and 9 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1026159-99:
(9*1)+(8*0)+(7*2)+(6*6)+(5*1)+(4*5)+(3*9)+(2*9)+(1*9)=138
138 % 10 = 8
So 1026159-99-8 is a valid CAS Registry Number.