145843-38-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 145843-38-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,5,8,4 and 3 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 145843-38:
(8*1)+(7*4)+(6*5)+(5*8)+(4*4)+(3*3)+(2*3)+(1*8)=145
145 % 10 = 5
So 145843-38-5 is a valid CAS Registry Number.
InChI:InChI=1/C33H34N2O11/c1-15-28(38)19(35-13-16-5-4-8-34-12-16)9-23(45-15)46-21-11-33(43,22(37)14-36)10-18-25(21)32(42)27-26(30(18)40)29(39)17-6-3-7-20(44-2)24(17)31(27)41/h3-8,12,15,19,21,23,28,35-36,38,40,42-43H,9-11,13-14H2,1-2H3