72732-17-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 72732-17-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,2,7,3 and 2 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 72732-17:
(7*7)+(6*2)+(5*7)+(4*3)+(3*2)+(2*1)+(1*7)=123
123 % 10 = 3
So 72732-17-3 is a valid CAS Registry Number.
InChI:InChI=1/C20H32N4O4/c1-12(2)9-13(3)23-18(26)11-22-19(27)14(4)24-20(28)17(21)10-15-5-7-16(25)8-6-15/h5-8,12-14,17,25H,9-11,21H2,1-4H3,(H,22,27)(H,23,26)(H,24,28)