43151-71-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 43151-71-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,3,1,5 and 1 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 43151-71:
(7*4)+(6*3)+(5*1)+(4*5)+(3*1)+(2*7)+(1*1)=89
89 % 10 = 9
So 43151-71-9 is a valid CAS Registry Number.
InChI:InChI=1/C35H27N9O9S2.2Na/c36-26-18-25(45)14-15-27(26)42-39-24-12-10-21(11-13-24)38-35(47)19-6-8-23(9-7-19)41-43-32-28(54(48,49)50)16-20-17-29(55(51,52)53)33(34(46)30(20)31(32)37)44-40-22-4-2-1-3-5-22;;/h1-18,39-40H,36-37H2,(H,38,47)(H,48,49,50)(H,51,52,53);;/q;2*+1/p-2/b42-27+,43-41+,44-33+;;