33161-67-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 33161-67-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,3,1,6 and 1 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 33161-67:
(7*3)+(6*3)+(5*1)+(4*6)+(3*1)+(2*6)+(1*7)=90
90 % 10 = 0
So 33161-67-0 is a valid CAS Registry Number.
InChI:InChI=1/C19H18N2O2/c1-14(22)21(2)13-17-20-18(15-9-5-3-6-10-15)19(23-17)16-11-7-4-8-12-16/h3-12H,13H2,1-2H3