775342-81-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 775342-81-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,7,5,3,4 and 2 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 775342-81:
(8*7)+(7*7)+(6*5)+(5*3)+(4*4)+(3*2)+(2*8)+(1*1)=189
189 % 10 = 9
So 775342-81-9 is a valid CAS Registry Number.