55387-45-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 55387-45-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,5,3,8 and 7 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 55387-45:
(7*5)+(6*5)+(5*3)+(4*8)+(3*7)+(2*4)+(1*5)=146
146 % 10 = 6
So 55387-45-6 is a valid CAS Registry Number.