99174-56-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 99174-56-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,1,7 and 4 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 99174-56:
(7*9)+(6*9)+(5*1)+(4*7)+(3*4)+(2*5)+(1*6)=178
178 % 10 = 8
So 99174-56-8 is a valid CAS Registry Number.