55237-72-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 55237-72-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,5,2,3 and 7 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 55237-72:
(7*5)+(6*5)+(5*2)+(4*3)+(3*7)+(2*7)+(1*2)=124
124 % 10 = 4
So 55237-72-4 is a valid CAS Registry Number.