100913-93-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 100913-93-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,0,9,1 and 3 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 100913-93:
(8*1)+(7*0)+(6*0)+(5*9)+(4*1)+(3*3)+(2*9)+(1*3)=87
87 % 10 = 7
So 100913-93-7 is a valid CAS Registry Number.