55664-01-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 55664-01-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,5,6,6 and 4 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 55664-01:
(7*5)+(6*5)+(5*6)+(4*6)+(3*4)+(2*0)+(1*1)=132
132 % 10 = 2
So 55664-01-2 is a valid CAS Registry Number.