90-54-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 90-54-0 includes 5 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 2 digits, 9 and 0 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 90-54:
(4*9)+(3*0)+(2*5)+(1*4)=50
50 % 10 = 0
So 90-54-0 is a valid CAS Registry Number.
InChI:InChI=1S/C21H27NO2/c1-3-22(4-2)16-17-24-21-13-9-8-12-19(21)20(23)15-14-18-10-6-5-7-11-18/h5-13H,3-4,14-17H2,1-2H3