KEGG   DRUG: DextromethorphanHelp
Entry
D03742                      Drug                                   

Name
Dextromethorphan (USP)
Formula
C18H25NO
Exact mass
271.1936
Mol weight
271.3972
Structure
Mol fileKCF fileDB searchJmolKegDraw
Class
Neuropsychiatric agent
 DG01498  NMDA receptor antagonist
Cyp substrate
 DG01644  CYP2D6 substrate
Remark
Same as: 
ATC code: 
Chemical group: 
Activity
Antitussive
Comment
Opium alkaloid, morphinan, nonnarcotic
Target
SIGMAR1 [HSA:10280] [KO:K20719];
GRIN (NMDAR) [HSA:2902 2903 2904 2905 2906] [KO:K05208 K05209 K05210 K05211 K05212]
  Pathway
Calcium signaling pathway
Neuroactive ligand-receptor interaction
Long-term potentiation
Glutamatergic synapse
Metabolism
Enzyme: CYP2D6 [HSA:1565], CYP3A4 [HSA:1576]
Interaction
Drug interaction
Structure map
N-Metyl-D-aspartic acid receptor antagonists
Brite
Anatomical Therapeutic Chemical (ATC) classification [BR:br08303]
 R RESPIRATORY SYSTEM
  R05 COUGH AND COLD PREPARATIONS
   R05D COUGH SUPPRESSANTS, EXCL. COMBINATIONS WITH EXPECTORANTS
    R05DA Opium alkaloids and derivatives
     R05DA09 Dextromethorphan
      D03742  Dextromethorphan (USP)
Risk category of Japanese OTC drugs [BR:br08312]
 Second-class OTC drugs
  Inorganic and organic chemicals
   Dextromethorphan
    D03742  Dextromethorphan (USP)
Target-based classification of drugs [BR:br08310]
 Ion channels
  Glutamate-gated cation channels
   Glutamate (ionotropic), NMDA
    N-methyl-D-aspartate receptor
     Dextromethorphan
      D03742  Dextromethorphan (USP)
Cytochrome P450 interactions [BR:br08309]
 CYP substrates
  CYP2D6
   Dextromethorphan
    D03742  Dextromethorphan (USP)
  CYP3A4
   Dextromethorphan
    D03742  Dextromethorphan (USP)
BRITE hierarchy
Other DBs
CAS: 
125-71-3
PubChem: 
DrugBank: 
LigandBox: 
NIKKAJI: 
KCF data Show

ATOM        20
            1   C1z C    33.2856  -19.2724
            2   C8y C    33.2913  -17.9380
            3   C1y C    34.4453  -19.9427
            4   C1x C    34.2413  -18.3226
            5   C1x C    32.1259  -19.9368
            6   C8y C    34.4570  -17.2736
            7   C8x C    32.1492  -17.2619
            8   C1y C    35.6051  -19.2841
            9   C1x C    34.4453  -21.2772
            10  C1x C    36.7415  -18.3167
            11  C1x C    32.1259  -21.2772
            12  C1x C    35.6108  -17.9496
            13  C8x C    34.4687  -15.9449
            14  C8y C    32.1609  -15.9273
            15  N1y N    36.7590  -19.9601
            16  C1x C    33.2856  -21.9534
            17  C8x C    33.3206  -15.2688
            18  O2a O    31.0069  -15.2455
            19  C1a C    38.2276  -19.9368
            20  C1a C    29.8412  -15.9040
BOND        23
            1     1   2 1
            2     1   3 1
            3     1   4 1 #Down
            4     1   5 1
            5     2   6 2
            6     2   7 1
            7     3   8 1
            8     3   9 1
            9     4  10 1
            10    5  11 1
            11    6  12 1
            12    6  13 1
            13    7  14 2
            14    8  15 1 #Down
            15    9  16 1
            16   13  17 2
            17   14  18 1
            18   15  19 1
            19   18  20 1
            20    8  12 1
            21   10  15 1
            22   11  16 1
            23   14  17 1

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