7268-93-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 7268-93-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,2,6 and 8 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 7268-93:
(6*7)+(5*2)+(4*6)+(3*8)+(2*9)+(1*3)=121
121 % 10 = 1
So 7268-93-1 is a valid CAS Registry Number.