18420-49-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 18420-49-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,4,2 and 0 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 18420-49:
(7*1)+(6*8)+(5*4)+(4*2)+(3*0)+(2*4)+(1*9)=100
100 % 10 = 0
So 18420-49-0 is a valid CAS Registry Number.
InChI:InChI=1/C23H23N2S.HI/c1-4-17(16-23-25(3)21-11-7-8-12-22(21)26-23)15-19-14-13-18-9-5-6-10-20(18)24(19)2;/h5-16H,4H2,1-3H3;1H/q+1;/p-1