268736-90-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 268736-90-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,6,8,7,3 and 6 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 268736-90:
(8*2)+(7*6)+(6*8)+(5*7)+(4*3)+(3*6)+(2*9)+(1*0)=189
189 % 10 = 9
So 268736-90-9 is a valid CAS Registry Number.