306745-90-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 306745-90-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,0,6,7,4 and 5 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 306745-90:
(8*3)+(7*0)+(6*6)+(5*7)+(4*4)+(3*5)+(2*9)+(1*0)=144
144 % 10 = 4
So 306745-90-4 is a valid CAS Registry Number.
InChI:InChI=1/C15H14BrNO/c1-2-11-6-5-7-12(10-11)17-15(18)13-8-3-4-9-14(13)16/h3-10H,2H2,1H3,(H,17,18)