144398-31-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 144398-31-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,4,3,9 and 8 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 144398-31:
(8*1)+(7*4)+(6*4)+(5*3)+(4*9)+(3*8)+(2*3)+(1*1)=142
142 % 10 = 2
So 144398-31-2 is a valid CAS Registry Number.
InChI:InChI=1/C30H34N4O8/c1-17-14-27(38)42-24-16-21(12-13-22(17)24)33-23(15-20-8-5-4-6-9-20)30(41)34-29(40)19(3)32-28(39)18(2)31-25(35)10-7-11-26(36)37/h4-6,8-9,12-14,16,18-19,23,33H,7,10-11,15H2,1-3H3,(H,31,35)(H,32,39)(H,36,37)(H,34,40,41)/t18-,19-,23-/m0/s1