775542-30-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 775542-30-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,7,5,5,4 and 2 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 775542-30:
(8*7)+(7*7)+(6*5)+(5*5)+(4*4)+(3*2)+(2*3)+(1*0)=188
188 % 10 = 8
So 775542-30-8 is a valid CAS Registry Number.