6520-76-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 6520-76-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,5,2 and 0 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 6520-76:
(6*6)+(5*5)+(4*2)+(3*0)+(2*7)+(1*6)=89
89 % 10 = 9
So 6520-76-9 is a valid CAS Registry Number.
InChI:InChI=1/C17H23N3O3/c21-16(8-6-13-11-18-9-10-23-13)20-17(22)19-15-7-5-12-3-1-2-4-14(12)15/h1-4,13,15,18H,5-11H2,(H2,19,20,21,22)