55755-77-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 55755-77-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,5,7,5 and 5 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 55755-77:
(7*5)+(6*5)+(5*7)+(4*5)+(3*5)+(2*7)+(1*7)=156
156 % 10 = 6
So 55755-77-6 is a valid CAS Registry Number.