866594-42-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 866594-42-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,6,6,5,9 and 4 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 866594-42:
(8*8)+(7*6)+(6*6)+(5*5)+(4*9)+(3*4)+(2*4)+(1*2)=225
225 % 10 = 5
So 866594-42-5 is a valid CAS Registry Number.