1566591-51-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1566591-51-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,6,6,5,9 and 1 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1566591-51:
(9*1)+(8*5)+(7*6)+(6*6)+(5*5)+(4*9)+(3*1)+(2*5)+(1*1)=202
202 % 10 = 2
So 1566591-51-2 is a valid CAS Registry Number.