89813-21-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 89813-21-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,8,1 and 3 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 89813-21:
(7*8)+(6*9)+(5*8)+(4*1)+(3*3)+(2*2)+(1*1)=168
168 % 10 = 8
So 89813-21-8 is a valid CAS Registry Number.
InChI:InChI=1/C18H30N4O3/c1-10(19)17(25)21-14(16(20)24)2-3-15(23)22-18-7-11-4-12(8-18)6-13(5-11)9-18/h10-14H,2-9,19H2,1H3,(H2,20,24)(H,21,25)(H,22,23)/t10?,11?,12?,13?,14-,18?/m1/s1