1026920-15-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1026920-15-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,2,6,9,2 and 0 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1026920-15:
(9*1)+(8*0)+(7*2)+(6*6)+(5*9)+(4*2)+(3*0)+(2*1)+(1*5)=119
119 % 10 = 9
So 1026920-15-9 is a valid CAS Registry Number.