80639-97-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 80639-97-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,0,6,3 and 9 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 80639-97:
(7*8)+(6*0)+(5*6)+(4*3)+(3*9)+(2*9)+(1*7)=150
150 % 10 = 0
So 80639-97-0 is a valid CAS Registry Number.
InChI:InChI=1/C18H16O6/c1-12(19)23-15-10-6-5-9-14(15)18(22)24-16(17(20)21)11-13-7-3-2-4-8-13/h2-10,16H,11H2,1H3,(H,20,21)