581776-45-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 581776-45-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,8,1,7,7 and 6 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 581776-45:
(8*5)+(7*8)+(6*1)+(5*7)+(4*7)+(3*6)+(2*4)+(1*5)=196
196 % 10 = 6
So 581776-45-6 is a valid CAS Registry Number.