73728-81-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 73728-81-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,7,2 and 8 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 73728-81:
(7*7)+(6*3)+(5*7)+(4*2)+(3*8)+(2*8)+(1*1)=151
151 % 10 = 1
So 73728-81-1 is a valid CAS Registry Number.
InChI:InChI=1/C22H27NO2.ClH/c1-18-8-5-6-15-23(18)16-7-17-25-22(24)21-13-11-20(12-14-21)19-9-3-2-4-10-19;/h2-4,9-14,18H,5-8,15-17H2,1H3;1H