99849-56-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 99849-56-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,8,4 and 9 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 99849-56:
(7*9)+(6*9)+(5*8)+(4*4)+(3*9)+(2*5)+(1*6)=216
216 % 10 = 6
So 99849-56-6 is a valid CAS Registry Number.