57494-90-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 57494-90-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,4,9 and 4 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 57494-90:
(7*5)+(6*7)+(5*4)+(4*9)+(3*4)+(2*9)+(1*0)=163
163 % 10 = 3
So 57494-90-3 is a valid CAS Registry Number.
InChI:InChI=1/C21H35N3O3/c1-21(2,3)22-14-18(25)15-27-19-12-10-17(11-13-19)24(4)20(26)23-16-8-6-5-7-9-16/h10-13,16,18,22,25H,5-9,14-15H2,1-4H3,(H,23,26)