205249-06-5 Usage
Uses
Des-[4,5-O-(1-methylethylidene)] Topiramate is a Topiramate(T540250) impurity. Topiramate is used as an anticonvulsant.
Check Digit Verification of cas no
The CAS Registry Mumber 205249-06-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,0,5,2,4 and 9 respectively; the second part has 2 digits, 0 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 205249-06:
(8*2)+(7*0)+(6*5)+(5*2)+(4*4)+(3*9)+(2*0)+(1*6)=105
105 % 10 = 5
So 205249-06-5 is a valid CAS Registry Number.