55776-42-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 55776-42-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,5,7,7 and 6 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 55776-42:
(7*5)+(6*5)+(5*7)+(4*7)+(3*6)+(2*4)+(1*2)=156
156 % 10 = 6
So 55776-42-6 is a valid CAS Registry Number.