90155-19-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 90155-19-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,1,5 and 5 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 90155-19:
(7*9)+(6*0)+(5*1)+(4*5)+(3*5)+(2*1)+(1*9)=114
114 % 10 = 4
So 90155-19-4 is a valid CAS Registry Number.
InChI:InChI=1/C22H17ClN2.C21H30O5/c23-21-14-8-7-13-20(21)22(25-16-15-24-17-25,18-9-3-1-4-10-18)19-11-5-2-6-12-19;1-19-7-5-13(23)9-12(19)3-4-14-15-6-8-21(26,17(25)11-22)20(15,2)10-16(24)18(14)19/h1-17H;9,14-16,18,22,24,26H,3-8,10-11H2,1-2H3/t;14-,15-,16-,18+,19-,20-,21-/m.0/s1