134931-00-3 Usage
Uses
(Z)-Roxithromycin (Roxithromycin Impurity D) is the Z-isomer and active metabolite of Roxithromycin (R700850); a semisynthetic Erythromycin (E649950) derivative and antibacterial.
Check Digit Verification of cas no
The CAS Registry Mumber 134931-00-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,4,9,3 and 1 respectively; the second part has 2 digits, 0 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 134931-00:
(8*1)+(7*3)+(6*4)+(5*9)+(4*3)+(3*1)+(2*0)+(1*0)=113
113 % 10 = 3
So 134931-00-3 is a valid CAS Registry Number.