55975-42-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 55975-42-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,5,9,7 and 5 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 55975-42:
(7*5)+(6*5)+(5*9)+(4*7)+(3*5)+(2*4)+(1*2)=163
163 % 10 = 3
So 55975-42-3 is a valid CAS Registry Number.