72248-51-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 72248-51-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,2,4 and 8 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 72248-51:
(7*7)+(6*2)+(5*2)+(4*4)+(3*8)+(2*5)+(1*1)=122
122 % 10 = 2
So 72248-51-2 is a valid CAS Registry Number.
InChI:InChI=1/C22H16N2O.FHO3S/c23-16-21(22(25)19-12-6-2-7-13-19)24(20-14-8-3-9-15-20)17-18-10-4-1-5-11-18;1-5(2,3)4/h1-15,17H;(H,2,3,4)/b22-21-,24-17-;