81655-72-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81655-72-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,6,5 and 5 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 81655-72:
(7*8)+(6*1)+(5*6)+(4*5)+(3*5)+(2*7)+(1*2)=143
143 % 10 = 3
So 81655-72-3 is a valid CAS Registry Number.
InChI:InChI=1/C17H30N4O10/c1-6(14(25)21-8(16(27)28)3-4-10(18)23)20-15(26)7(2)30-13-11(19)17(29)31-9(5-22)12(13)24/h6-9,11-13,17,22,24,29H,3-5,19H2,1-2H3,(H2,18,23)(H,20,26)(H,21,25)(H,27,28)/t6-,7?,8+,9+,11+,12+,13+,17-/m0/s1