55930-77-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 55930-77-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,5,9,3 and 0 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 55930-77:
(7*5)+(6*5)+(5*9)+(4*3)+(3*0)+(2*7)+(1*7)=143
143 % 10 = 3
So 55930-77-3 is a valid CAS Registry Number.