2243-93-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 2243-93-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,2,4 and 3 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 2243-93:
(6*2)+(5*2)+(4*4)+(3*3)+(2*9)+(1*3)=68
68 % 10 = 8
So 2243-93-8 is a valid CAS Registry Number.