6516-21-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 6516-21-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,5,1 and 6 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 6516-21:
(6*6)+(5*5)+(4*1)+(3*6)+(2*2)+(1*1)=88
88 % 10 = 8
So 6516-21-8 is a valid CAS Registry Number.
InChI:InChI=1/C18H25N3O3/c22-17(7-3-5-14-12-19-10-11-24-14)21-18(23)20-16-9-8-13-4-1-2-6-15(13)16/h1-2,4,6,14,16,19H,3,5,7-12H2,(H2,20,21,22,23)