81161-89-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 81161-89-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,1,1,6 and 1 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 81161-89:
(7*8)+(6*1)+(5*1)+(4*6)+(3*1)+(2*8)+(1*9)=119
119 % 10 = 9
So 81161-89-9 is a valid CAS Registry Number.
InChI:InChI=1/C16H23N3O7/c1-8(21)13(17)15(24)18-11(6-9-2-4-10(22)5-3-9)14(23)19-12(7-20)16(25)26/h2-5,8,11-13,20-22H,6-7,17H2,1H3,(H,18,24)(H,19,23)(H,25,26)
