1021240-69-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1021240-69-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,2,1,2,4 and 0 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1021240-69:
(9*1)+(8*0)+(7*2)+(6*1)+(5*2)+(4*4)+(3*0)+(2*6)+(1*9)=76
76 % 10 = 6
So 1021240-69-6 is a valid CAS Registry Number.