142383-42-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 142383-42-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,2,3,8 and 3 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 142383-42:
(8*1)+(7*4)+(6*2)+(5*3)+(4*8)+(3*3)+(2*4)+(1*2)=114
114 % 10 = 4
So 142383-42-4 is a valid CAS Registry Number.
InChI:InChI=1/C28H28N2O10/c1-11(2)26(35)39-24-20-18(23(38-13(5)31)25(28(24,6)37)40-27(36)12(3)4)17-19(30(20)10-29)22(34)16-14(21(17)33)8-7-9-15(16)32/h7-9,11-12,23-25,32,37H,1-6H3/t23-,24+,25+,28-/m0/s1