1391051-92-5 Usage
Uses
Labelled Valdecoxib Sulfonyl Chloride. An impurity in the preparation of the cyclooxygenase-2 inhibitor, Valdecoxib (V090000) and its metabolites.
Check Digit Verification of cas no
The CAS Registry Mumber 1391051-92-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,9,1,0,5 and 1 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1391051-92:
(9*1)+(8*3)+(7*9)+(6*1)+(5*0)+(4*5)+(3*1)+(2*9)+(1*2)=145
145 % 10 = 5
So 1391051-92-5 is a valid CAS Registry Number.