90940-59-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 90940-59-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,9,4 and 0 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 90940-59:
(7*9)+(6*0)+(5*9)+(4*4)+(3*0)+(2*5)+(1*9)=143
143 % 10 = 3
So 90940-59-3 is a valid CAS Registry Number.
InChI:InChI=1/C20H26N2O6/c1-3-28-20(27)15(10-9-14-7-5-4-6-8-14)21-13(2)18(24)22-16(19(25)26)11-12-17(22)23/h4-8,13,15-16,21H,3,9-12H2,1-2H3,(H,25,26)/t13-,15?,16-/m0/s1