517-69-1 Usage
Definition
ChEBI: An organic heteropentacyclic compound 6,7,7a,8-tetrahydro-5H-benzo[g][1,3]dioxolo[4',5':4,5]benzo[1,2,3-de]quinoline bering additional hydroxy and methoxy substituents at positions 10 and 11 respectively.
Check Digit Verification of cas no
The CAS Registry Mumber 517-69-1 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 5,1 and 7 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 517-69:
(5*5)+(4*1)+(3*7)+(2*6)+(1*9)=71
71 % 10 = 1
So 517-69-1 is a valid CAS Registry Number.
InChI:InChI=1/C18H17NO4/c1-21-14-7-11-10(5-13(14)20)4-12-16-9(2-3-19-12)6-15-18(17(11)16)23-8-22-15/h5-7,12,19-20H,2-4,8H2,1H3/t12-/m0/s1