80934-59-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 80934-59-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,0,9,3 and 4 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 80934-59:
(7*8)+(6*0)+(5*9)+(4*3)+(3*4)+(2*5)+(1*9)=144
144 % 10 = 4
So 80934-59-4 is a valid CAS Registry Number.
InChI:InChI=1/C15H12N2O3/c18-14(19)9-10-5-7-11(8-6-10)17-13-4-2-1-3-12(13)15(20)16-17/h1-8H,9H2,(H,16,20)(H,18,19)