1023367-21-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1023367-21-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,2,3,3,6 and 7 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1023367-21:
(9*1)+(8*0)+(7*2)+(6*3)+(5*3)+(4*6)+(3*7)+(2*2)+(1*1)=106
106 % 10 = 6
So 1023367-21-6 is a valid CAS Registry Number.