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2D Structure
Also known as: Oxymorphone hcl, 357-07-3, Opana er, Oxymorphone hydrochloride [usp], 5y2ei94nbc, Oxymorphone hcl narcotic analgesic
Molecular Formula
C17H20ClNO4
Molecular Weight
337.8  g/mol
InChI Key
BCGJBQBWUGVESK-KCTCKCTRSA-N
FDA UNII
5Y2EI94NBC

An opioid analgesic with actions and uses similar to those of MORPHINE, apart from an absence of cough suppressant activity. It is used in the treatment of moderate to severe pain, including pain in obstetrics. It may also be used as an adjunct to anesthesia. (From Martindale, The Extra Pharmacopoeia, 30th ed, p1092)
1 2D Structure

2D Structure

2 Identification
2.1 Computed Descriptors
2.1.1 IUPAC Name
(4R,4aS,7aR,12bS)-4a,9-dihydroxy-3-methyl-2,4,5,6,7a,13-hexahydro-1H-4,12-methanobenzofuro[3,2-e]isoquinolin-7-one;hydrochloride
2.1.2 InChI
InChI=1S/C17H19NO4.ClH/c1-18-7-6-16-13-9-2-3-10(19)14(13)22-15(16)11(20)4-5-17(16,21)12(18)8-9;/h2-3,12,15,19,21H,4-8H2,1H3;1H/t12-,15+,16+,17-;/m1./s1
2.1.3 InChI Key
BCGJBQBWUGVESK-KCTCKCTRSA-N
2.1.4 Canonical SMILES
CN1CCC23C4C(=O)CCC2(C1CC5=C3C(=C(C=C5)O)O4)O.Cl
2.1.5 Isomeric SMILES
CN1CC[C@]23[C@@H]4C(=O)CC[C@]2([C@H]1CC5=C3C(=C(C=C5)O)O4)O.Cl
2.2 Other Identifiers
2.2.1 UNII
5Y2EI94NBC
2.3 Synonyms
2.3.1 MeSH Synonyms

1. Numorphan

2. Opana

3. Oxymorphone

4. Oxymorphone Hcl

2.3.2 Depositor-Supplied Synonyms

1. Oxymorphone Hcl

2. 357-07-3

3. Opana Er

4. Oxymorphone Hydrochloride [usp]

5. 5y2ei94nbc

6. Oxymorphone Hcl Narcotic Analgesic

7. Oxymorphone Hydrochloride (usp)

8. Oxymorphinone Hydrochloride

9. (4r,4as,7ar,12bs)-4a,9-dihydroxy-3-methyl-2,4,5,6,7a,13-hexahydro-1h-4,12-methanobenzofuro[3,2-e]isoquinolin-7-one;hydrochloride

10. Einecs 206-610-5

11. Unii-5y2ei94nbc

12. Numorphan (tn)

13. Opana (tn)

14. 4,5-alpha-epoxy-3,14-dihydroxy-17-methylmorphinan-6-one Hydrochloride

15. 4,5alpha-epoxy-3,14-dihydroxy-17-methylmorphinan-6-one Hydrochloride

16. Schembl41770

17. Chebi:7866

18. Chembl1200794

19. Dtxsid10189214

20. Oxymorphone Hydrochloride [mi]

21. (5alpha)-4,5-epoxy-3,14-dihydroxy-17-methylmorphinan-6-one Hydrochloride

22. Morphinan-6-one, 3,14-dihydroxy-4,5-alpha-epoxy-17-methyl-, Hydrochloride

23. Morphinan-6-one, 4,5-epoxy-3,14-dihydroxy-17-methyl-, Hydrochloride, (5alpha)-

24. Oxymorphone Hydrochloride [mart.]

25. Oxymorphone Hydrochloride [vandf]

26. Oxymorphone Hydrochloride [who-dd]

27. Oxymorphone Hydrochloride [green Book]

28. D00844

29. Oxymorphone Hydrochloride [orange Book]

30. Oxymorphone Hydrochloride [usp Monograph]

31. Q27263031

32. 4,5.alpha.-epoxy-3,14-dihydroxy-17-methylmorphinan-6-one Hydrochloride

33. Morphinan-6-one, 4,5-epoxy-3,14-dihydroxy-17-methyl-, Hydrochloride, (5.alpha.)-

2.4 Create Date
2005-06-24
3 Chemical and Physical Properties
Molecular Weight 337.8 g/mol
Molecular Formula C17H20ClNO4
Hydrogen Bond Donor Count3
Hydrogen Bond Acceptor Count5
Rotatable Bond Count0
Exact Mass337.1080858 g/mol
Monoisotopic Mass337.1080858 g/mol
Topological Polar Surface Area70 Ų
Heavy Atom Count23
Formal Charge0
Complexity539
Isotope Atom Count0
Defined Atom Stereocenter Count4
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
Covalently Bonded Unit Count2
4 Drug and Medication Information
4.1 Drug Information
1 of 6  
Drug NameOpana
PubMed HealthOxymorphone (Injection)
Drug ClassesAnalgesic, Anesthetic Adjunct
Drug LabelOPANA ER (oxymorphone hydrochloride) extended-release, is a semi-synthetic opioid analgesic supplied in 5 mg, 10 mg, 20 mg, and 40 mg tablet strengths for oral administration. The tablet strength describes the amount of oxymorphone hydrochloride per...
Active IngredientOxymorphone hydrochloride
Dosage FormTablet; Injectable
RouteInjection; Oral
Strength1mg/ml; 5mg; 10mg
Market StatusPrescription
CompanyEndo Pharms

2 of 6  
Drug NameOpana er
PubMed HealthOxymorphone (By mouth)
Drug ClassesAnalgesic
Drug LabelOPANA ER (oxymorphone hydrochloride) extended-release is a semi-synthetic opioid analgesic supplied in 5 mg, 7.5 mg, 10 mg, 15 mg, 20 mg, 30 mg, and 40 mg tablet strengths for oral administration. The tablet strength describes the amount of oxymorpho...
Active IngredientOxymorphone hydrochloride
Dosage FormTablet, extended release
RouteOral
Strength7.5mg; 30mg; 15mg; 5mg; 10mg; 40mg; 20mg
Market StatusPrescription
CompanyEndo Pharms

3 of 6  
Drug NameOxymorphone hydrochloride
Drug LabelOPANA ER (oxymorphone hydrochloride) extended-release, is a semi-synthetic opioid analgesic supplied in 5 mg, 10 mg, 20 mg, and 40 mg tablet strengths for oral administration. The tablet strength describes the amount of oxymorphone hydrochloride per...
Active IngredientOxymorphone hydrochloride
Dosage FormTablet, extended release; Tablet
RouteOral
Strength7.5mg; 30mg; 15mg; 5mg; 10mg; 40mg; 20mg
Market StatusPrescription
CompanyAvanthi; Teva; Mallinckrodt; Roxane; Actavis Elizabeth; Impax Labs

4 of 6  
Drug NameOpana
PubMed HealthOxymorphone (Injection)
Drug ClassesAnalgesic, Anesthetic Adjunct
Drug LabelOPANA ER (oxymorphone hydrochloride) extended-release, is a semi-synthetic opioid analgesic supplied in 5 mg, 10 mg, 20 mg, and 40 mg tablet strengths for oral administration. The tablet strength describes the amount of oxymorphone hydrochloride per...
Active IngredientOxymorphone hydrochloride
Dosage FormTablet; Injectable
RouteInjection; Oral
Strength1mg/ml; 5mg; 10mg
Market StatusPrescription
CompanyEndo Pharms

5 of 6  
Drug NameOpana er
PubMed HealthOxymorphone (By mouth)
Drug ClassesAnalgesic
Drug LabelOPANA ER (oxymorphone hydrochloride) extended-release is a semi-synthetic opioid analgesic supplied in 5 mg, 7.5 mg, 10 mg, 15 mg, 20 mg, 30 mg, and 40 mg tablet strengths for oral administration. The tablet strength describes the amount of oxymorpho...
Active IngredientOxymorphone hydrochloride
Dosage FormTablet, extended release
RouteOral
Strength7.5mg; 30mg; 15mg; 5mg; 10mg; 40mg; 20mg
Market StatusPrescription
CompanyEndo Pharms

6 of 6  
Drug NameOxymorphone hydrochloride
Drug LabelOPANA ER (oxymorphone hydrochloride) extended-release, is a semi-synthetic opioid analgesic supplied in 5 mg, 10 mg, 20 mg, and 40 mg tablet strengths for oral administration. The tablet strength describes the amount of oxymorphone hydrochloride per...
Active IngredientOxymorphone hydrochloride
Dosage FormTablet, extended release; Tablet
RouteOral
Strength7.5mg; 30mg; 15mg; 5mg; 10mg; 40mg; 20mg
Market StatusPrescription
CompanyAvanthi; Teva; Mallinckrodt; Roxane; Actavis Elizabeth; Impax Labs

5 Pharmacology and Biochemistry
5.1 MeSH Pharmacological Classification

Analgesics, Opioid

Compounds with activity like OPIATE ALKALOIDS, acting at OPIOID RECEPTORS. Properties include induction of ANALGESIA or NARCOSIS. (See all compounds classified as Analgesics, Opioid.)


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.)


Adjuvants, Anesthesia

Agents that are administered in association with anesthetics to increase effectiveness, improve delivery, or decrease required dosage. (See all compounds classified as Adjuvants, Anesthesia.)


5.2 FDA Pharmacological Classification
5.2.1 Pharmacological Classes
Opioid Agonist [EPC]; Full Opioid Agonists [MoA]