251967-66-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 251967-66-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,1,9,6 and 7 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 251967-66:
(8*2)+(7*5)+(6*1)+(5*9)+(4*6)+(3*7)+(2*6)+(1*6)=165
165 % 10 = 5
So 251967-66-5 is a valid CAS Registry Number.