1021236-09-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1021236-09-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,2,1,2,3 and 6 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1021236-09:
(9*1)+(8*0)+(7*2)+(6*1)+(5*2)+(4*3)+(3*6)+(2*0)+(1*9)=78
78 % 10 = 8
So 1021236-09-8 is a valid CAS Registry Number.