54749-86-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 54749-86-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,7,4 and 9 respectively; the second part has 2 digits, 8 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 54749-86:
(7*5)+(6*4)+(5*7)+(4*4)+(3*9)+(2*8)+(1*6)=159
159 % 10 = 9
So 54749-86-9 is a valid CAS Registry Number.
InChI:InChI=1/C19H20N2O2.C3H6N2S/c1-2-3-14-17-18(22)20(15-10-6-4-7-11-15)21(19(17)23)16-12-8-5-9-13-16;4-3-5-1-2-6-3/h4-13,17H,2-3,14H2,1H3;1-2H2,(H2,4,5)