26186-67-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 26186-67-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,6,1,8 and 6 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 26186-67:
(7*2)+(6*6)+(5*1)+(4*8)+(3*6)+(2*6)+(1*7)=124
124 % 10 = 4
So 26186-67-4 is a valid CAS Registry Number.