20318-58-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 20318-58-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,3,1 and 8 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 20318-58:
(7*2)+(6*0)+(5*3)+(4*1)+(3*8)+(2*5)+(1*8)=75
75 % 10 = 5
So 20318-58-5 is a valid CAS Registry Number.
InChI:InChI=1/C33H44N4O5/c1-3-4-5-6-7-8-9-10-11-13-16-26-19-21-27(22-20-26)36(25(2)38)29(33(41)42)23-31(39)34-30-24-32(40)37(35-30)28-17-14-12-15-18-28/h12,14-15,17-22,29H,3-11,13,16,23-24H2,1-2H3,(H,41,42)(H,34,35,39)