775222-81-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 775222-81-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,7,5,2,2 and 2 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 775222-81:
(8*7)+(7*7)+(6*5)+(5*2)+(4*2)+(3*2)+(2*8)+(1*1)=176
176 % 10 = 6
So 775222-81-6 is a valid CAS Registry Number.