866144-57-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 866144-57-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,6,6,1,4 and 4 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 866144-57:
(8*8)+(7*6)+(6*6)+(5*1)+(4*4)+(3*4)+(2*5)+(1*7)=192
192 % 10 = 2
So 866144-57-2 is a valid CAS Registry Number.