1242065-13-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1242065-13-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,4,2,0,6 and 5 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1242065-13:
(9*1)+(8*2)+(7*4)+(6*2)+(5*0)+(4*6)+(3*5)+(2*1)+(1*3)=109
109 % 10 = 9
So 1242065-13-9 is a valid CAS Registry Number.