81559-22-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81559-22-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,5,5 and 9 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 81559-22:
(7*8)+(6*1)+(5*5)+(4*5)+(3*9)+(2*2)+(1*2)=140
140 % 10 = 0
So 81559-22-0 is a valid CAS Registry Number.
InChI:InChI=1/C31H50N6O12/c1-20(11-16-38)18-27(41)37(48)15-7-10-26(32-22(3)39)31(45)49-17-12-21(2)19-28(42)36(47)14-6-9-25-30(44)33-24(29(43)34-25)8-5-13-35(46)23(4)40/h18-19,24-26,38,46-48H,5-17H2,1-4H3,(H,32,39)(H,33,44)(H,34,43)/b20-18+,21-19+/t24-,25?,26+/m1/s1