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2D Structure
Also known as: 13425-39-3, 2-(1,3-dimethyl-2,6-dioxopurin-7-yl)ethyl pyridine-3-carboxylate, Sn6d1v68dl, 2-(1,2,3,6-tetrahydro-1,3-dimethyl-2,6-dioxo-7h-purin-7-yl)ethyl nicotinate, Unii-sn6d1v68dl, Einecs 236-544-2
Molecular Formula
C15H15N5O4
Molecular Weight
329.31  g/mol
InChI Key
ZWIAODBBEZGVPY-UHFFFAOYSA-N
FDA UNII
SN6D1V68DL

Etofylline nicotinate, a theophylline derivative, is a drug that causes vasodilation and relaxation of smooth muscle.
1 2D Structure

2D Structure

2 Identification
2.1 Computed Descriptors
2.1.1 IUPAC Name
2-(1,3-dimethyl-2,6-dioxopurin-7-yl)ethyl pyridine-3-carboxylate
2.1.2 InChI
InChI=1S/C15H15N5O4/c1-18-12-11(13(21)19(2)15(18)23)20(9-17-12)6-7-24-14(22)10-4-3-5-16-8-10/h3-5,8-9H,6-7H2,1-2H3
2.1.3 InChI Key
ZWIAODBBEZGVPY-UHFFFAOYSA-N
2.1.4 Canonical SMILES
CN1C2=C(C(=O)N(C1=O)C)N(C=N2)CCOC(=O)C3=CN=CC=C3
2.2 Other Identifiers
2.2.1 UNII
SN6D1V68DL
2.3 Synonyms
2.3.1 Depositor-Supplied Synonyms

1. 13425-39-3

2. 2-(1,3-dimethyl-2,6-dioxopurin-7-yl)ethyl Pyridine-3-carboxylate

3. Sn6d1v68dl

4. 2-(1,2,3,6-tetrahydro-1,3-dimethyl-2,6-dioxo-7h-purin-7-yl)ethyl Nicotinate

5. Unii-sn6d1v68dl

6. Einecs 236-544-2

7. Schembl1649975

8. Chembl3707239

9. Dtxsid30158609

10. Chebi:135405

11. Etofylline Nicotinate [mi]

12. Zinc5425173

13. Etofylline Nicotinate [who-dd]

14. Db13842

15. Q15408405

16. 2-(1,3-dimethyl-2,6-dioxo-1,2,3,6-tetrahydro-7h-purin-7-yl)ethyl Nicotinate

2.4 Create Date
2005-08-08
3 Chemical and Physical Properties
Molecular Weight 329.31 g/mol
Molecular Formula C15H15N5O4
XLogP30
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count6
Rotatable Bond Count5
Exact Mass329.11240398 g/mol
Monoisotopic Mass329.11240398 g/mol
Topological Polar Surface Area97.6 Ų
Heavy Atom Count24
Formal Charge0
Complexity528
Isotope Atom Count0
Defined Atom Stereocenter Count0
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
Covalently Bonded Unit Count1
4 Pharmacology and Biochemistry
4.1 ATC Code

C - Cardiovascular system

C04 - Peripheral vasodilators

C04A - Peripheral vasodilators

C04AD - Purine derivatives

C04AD04 - Etofylline nicotinate