99783-24-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 99783-24-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,7,8 and 3 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 99783-24:
(7*9)+(6*9)+(5*7)+(4*8)+(3*3)+(2*2)+(1*4)=201
201 % 10 = 1
So 99783-24-1 is a valid CAS Registry Number.