81409-92-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81409-92-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,4,0 and 9 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 81409-92:
(7*8)+(6*1)+(5*4)+(4*0)+(3*9)+(2*9)+(1*2)=129
129 % 10 = 9
So 81409-92-9 is a valid CAS Registry Number.
InChI:InChI=1/C26H39N5O2/c1-5-11-30-17-19(25(32)31(26(33)27-6-2)13-8-12-29(3)4)14-21-20-9-7-10-22-24(20)18(16-28-22)15-23(21)30/h7,9-10,16,19,21,23,28H,5-6,8,11-15,17H2,1-4H3,(H,27,33)/t19-,21?,23-/m1/s1