107962-42-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 107962-42-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,7,9,6 and 2 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 107962-42:
(8*1)+(7*0)+(6*7)+(5*9)+(4*6)+(3*2)+(2*4)+(1*2)=135
135 % 10 = 5
So 107962-42-5 is a valid CAS Registry Number.