40908-20-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 40908-20-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,0,9,0 and 8 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 40908-20:
(7*4)+(6*0)+(5*9)+(4*0)+(3*8)+(2*2)+(1*0)=101
101 % 10 = 1
So 40908-20-1 is a valid CAS Registry Number.
InChI:InChI=1/C16H23N5O5/c17-15(18)19-8-4-7-11(13(22)23)20-16(26)21-12(14(24)25)9-10-5-2-1-3-6-10/h1-3,5-6,11-12H,4,7-9H2,(H,22,23)(H,24,25)(H4,17,18,19)(H2,20,21,26)/t11?,12-/m0/s1