55651-99-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 55651-99-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,5,6,5 and 1 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 55651-99:
(7*5)+(6*5)+(5*6)+(4*5)+(3*1)+(2*9)+(1*9)=145
145 % 10 = 5
So 55651-99-5 is a valid CAS Registry Number.