49840-16-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 49840-16-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,9,8,4 and 0 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 49840-16:
(7*4)+(6*9)+(5*8)+(4*4)+(3*0)+(2*1)+(1*6)=146
146 % 10 = 6
So 49840-16-6 is a valid CAS Registry Number.
InChI:InChI=1/C17H18N4.HI/c1-3-12-21-16-7-5-4-6-15(16)17(19-20-21)18-14-10-8-13(2)9-11-14;/h4-11H,3,12H2,1-2H3;1H