566915-05-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 566915-05-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,6,6,9,1 and 5 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 566915-05:
(8*5)+(7*6)+(6*6)+(5*9)+(4*1)+(3*5)+(2*0)+(1*5)=187
187 % 10 = 7
So 566915-05-7 is a valid CAS Registry Number.