18150-20-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 18150-20-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,1,5 and 0 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 18150-20:
(7*1)+(6*8)+(5*1)+(4*5)+(3*0)+(2*2)+(1*0)=84
84 % 10 = 4
So 18150-20-4 is a valid CAS Registry Number.
InChI:InChI=1/C14H12N2O2/c1-11(13-6-8-15-9-7-13)10-12-2-4-14(5-3-12)16(17)18/h2-10H,1H3/b11-10+