99803-32-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 99803-32-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,8,0 and 3 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 99803-32:
(7*9)+(6*9)+(5*8)+(4*0)+(3*3)+(2*3)+(1*2)=174
174 % 10 = 4
So 99803-32-4 is a valid CAS Registry Number.
InChI:InChI=1/C23H31N3O4/c1-26(23(30)21(24)15-18-9-11-20(28)12-10-18)13-5-8-22(29)25-19(16-27)14-17-6-3-2-4-7-17/h2-4,6-7,9-12,19,21,27-28H,5,8,13-16,24H2,1H3,(H,25,29)/t19-,21-/m0/s1