144909-42-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 144909-42-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,4,9,0 and 9 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 144909-42:
(8*1)+(7*4)+(6*4)+(5*9)+(4*0)+(3*9)+(2*4)+(1*2)=142
142 % 10 = 2
So 144909-42-2 is a valid CAS Registry Number.
InChI:InChI=1/C43H66N12O9S/c1-65-22-18-31(39(61)50-30(12-7-20-49-43(47)48)38(60)53-33(36(46)58)23-26-9-3-2-4-10-26)51-40(62)34(24-27-14-16-28(57)17-15-27)54-41(63)35-13-8-21-55(35)42(64)32(11-5-6-19-44)52-37(59)29(45)25-56/h2-4,9-10,14-17,29-35,56-57H,5-8,11-13,18-25,44-45H2,1H3,(H2,46,58)(H,50,61)(H,51,62)(H,52,59)(H,53,60)(H,54,63)(H4,47,48,49)/t29-,30-,31-,32-,33-,34-,35-/m0/s1