75539-83-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 75539-83-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,5,5,3 and 9 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 75539-83:
(7*7)+(6*5)+(5*5)+(4*3)+(3*9)+(2*8)+(1*3)=162
162 % 10 = 2
So 75539-83-2 is a valid CAS Registry Number.
InChI:InChI=1/C20H23N3O4/c21-16(11-14-7-3-1-4-8-14)19(26)23-17(20(27)22-13-18(24)25)12-15-9-5-2-6-10-15/h1-10,16-17H,11-13,21H2,(H,22,27)(H,23,26)(H,24,25)/t16-,17-/m0/s1