55270-77-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 55270-77-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,5,2,7 and 0 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 55270-77:
(7*5)+(6*5)+(5*2)+(4*7)+(3*0)+(2*7)+(1*7)=124
124 % 10 = 4
So 55270-77-4 is a valid CAS Registry Number.