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2D Structure
Also known as: Paramorphine, 115-37-7, Thebain, 3-o-methyl-oripavin, 4,5alpha-epoxy-3,6-dimethoxy-17-methyl-6,8-morphinadien, 2p9mkg8gx7
Molecular Formula
C19H21NO3
Molecular Weight
311.4  g/mol
InChI Key
FQXXSQDCDRQNQE-VMDGZTHMSA-N
FDA UNII
2P9MKG8GX7

A drug that is derived from opium, which contains from 0.3-1.5% thebaine depending on its origin. It produces strychnine-like convulsions rather than narcosis. It may be habit-forming and is a controlled substance (opiate) listed in the U.S. Code of Federal Regulations, Title 21 Part 1308.12 (1985). (From Merck Index, 11th ed)
1 2D Structure

2D Structure

2 Identification
2.1 Computed Descriptors
2.1.1 IUPAC Name
(4R,7aR,12bS)-7,9-dimethoxy-3-methyl-2,4,7a,13-tetrahydro-1H-4,12-methanobenzofuro[3,2-e]isoquinoline
2.1.2 InChI
InChI=1S/C19H21NO3/c1-20-9-8-19-12-5-7-15(22-3)18(19)23-17-14(21-2)6-4-11(16(17)19)10-13(12)20/h4-7,13,18H,8-10H2,1-3H3/t13-,18+,19+/m1/s1
2.1.3 InChI Key
FQXXSQDCDRQNQE-VMDGZTHMSA-N
2.1.4 Canonical SMILES
CN1CCC23C4C(=CC=C2C1CC5=C3C(=C(C=C5)OC)O4)OC
2.1.5 Isomeric SMILES
CN1CC[C@]23[C@@H]4C(=CC=C2[C@H]1CC5=C3C(=C(C=C5)OC)O4)OC
2.2 Other Identifiers
2.2.1 UNII
2P9MKG8GX7
2.3 Synonyms
2.3.1 Depositor-Supplied Synonyms

1. Paramorphine

2. 115-37-7

3. Thebain

4. 3-o-methyl-oripavin

5. 4,5alpha-epoxy-3,6-dimethoxy-17-methyl-6,8-morphinadien

6. 2p9mkg8gx7

7. (5r,9r,13s)-4,5-epoxy-3,6-dimethoxy-9alpha-methyl-6,8-morphinadien

8. Chebi:9519

9. (4r,7ar,12bs)-7,9-dimethoxy-3-methyl-2,4,7a,13-tetrahydro-1h-4,12-methanobenzofuro[3,2-e]isoquinoline

10. Ncgc00160239-01

11. Dsstox_cid_26099

12. Dsstox_rid_81337

13. Dsstox_gsid_46099

14. (5alpha)-6,7,8,14-tetradehydro-4,5-epoxy-3,6-dimethoxy-17-methylmorphinan

15. 3,6-dimethoxy-17-methyl-6,7,8,14-tetradehydro-4,5alpha-epoxymorphinan

16. Cas-115-37-7

17. Einecs 204-084-1

18. Unii-2p9mkg8gx7

19. Tebaine

20. Thenaine

21. Kodein

22. Dea No. 9333

23. Thebaine, Powder

24. Ncgc00247709-01

25. Thebaine [mi]

26. Thebaine [who-dd]

27. Schembl37580

28. Chembl403893

29. Ids-nt-002

30. Dtxsid7046099

31. Schembl19880976

32. Thebaine 0.1 Mg/ml In Methanol

33. Bdbm224032

34. Tox21_111751

35. Tox21_112863

36. Zinc53199482

37. Morphinan, 6,7,8,14-tetradehydro-4,5-alpha-epoxy-3,6-dimethoxy-17-methyl-

38. C06173

39. Codeine Monohydrate Impurity G [ep Impurity]

40. Q63392872

41. Oxycodone Hydrochloride Impurity F [ep Impurity]

42. Thebaine, European Pharmacopoeia (ep) Reference Standard

43. Codeine Hydrochloride Dihydrate Impurity G [ep Impurity]

44. Codeine Phosphate Hemihydrate Impurity G [ep Impurity]

45. Codeine Phosphate Sesquihydrate Impurity G [ep Impurity]

46. 6,7,8,14-tetradehydro-4,5-epoxy-3,6-dimethoxy-17-methylmorphinan

47. Hydrocodone Hydrogen Tartrate 2.5-hydrate Impurity I [ep Impurity]

48. (5.alpha.)-6,7,8,14-tetradehydro-4,5-epoxy-3,6-dimethoxy-17-methylmorphinan

49. Morphinan, 6,7,8,14-tetradehydro-4,5-epoxy-3,6-dimethoxy-17-methyl-,(5.alpha.)-

50. Thebaine Solution, 1.0 Mg/ml In Methanol, Ampule Of 1 Ml, Certified Reference Material

51. D4r

2.4 Create Date
2004-09-16
3 Chemical and Physical Properties
Molecular Weight 311.4 g/mol
Molecular Formula C19H21NO3
XLogP32.2
Hydrogen Bond Donor Count0
Hydrogen Bond Acceptor Count4
Rotatable Bond Count2
Exact Mass311.15214353 g/mol
Monoisotopic Mass311.15214353 g/mol
Topological Polar Surface Area30.9 Ų
Heavy Atom Count23
Formal Charge0
Complexity585
Isotope Atom Count0
Defined Atom Stereocenter Count3
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
Covalently Bonded Unit Count1
4 Pharmacology and Biochemistry
4.1 MeSH Pharmacological Classification

Narcotics

Agents that induce NARCOSIS. Narcotics include agents that cause somnolence or induced sleep (STUPOR); natural or synthetic derivatives of OPIUM or MORPHINE or any substance that has such effects. They are potent inducers of ANALGESIA and OPIOID-RELATED DISORDERS. (See all compounds classified as Narcotics.)


Convulsants

Substances that act in the brain stem or spinal cord to produce tonic or clonic convulsions, often by removing normal inhibitory tone. They were formerly used to stimulate respiration or as antidotes to barbiturate overdose. They are now most commonly used as experimental tools. (See all compounds classified as Convulsants.)