108391-88-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 108391-88-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,8,3,9 and 1 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 108391-88:
(8*1)+(7*0)+(6*8)+(5*3)+(4*9)+(3*1)+(2*8)+(1*8)=134
134 % 10 = 4
So 108391-88-4 is a valid CAS Registry Number.
InChI:InChI=1/C20H34N2O5/c1-4-6-10-15(20(26)27-5-2)21-13(3)18(23)22-16-11-8-7-9-14(16)12-17(22)19(24)25/h13-17,21H,4-12H2,1-3H3,(H,24,25)/t13-,14-,15-,16-,17-/m0/s1