| Entry |  | 
|---|
| Name | Mequitazine (JP18/INN);Kitazemin (TN)
 | 
|---|
| Formula | C20H22N2S
 | 
|---|
| Exact mass | 322.1504
 | 
|---|
| Mol weight | 322.47
 | 
|---|
| Structure |  
 | 
|---|
| Simcomp |  | 
|---|
| Class | Anti-allergic agentDG01557  Histamine receptor antagonist
 DG01482  Histamine receptor H1 antagonist
 Dermatological agent
 DG03243  Atopic dermatitis agent
 Metabolizing enzyme substrate
 DG01644  CYP2D6 substrate
 
 | 
|---|
| Remark | | Therapeutic category: | 4413 | 
 | 
|---|
| Efficacy | Antiallergic, Antiasthmatic, H1 receptor antagonist | 
|---|
| Comment | Phenothiazine derivative
 | 
|---|
| Target |  | 
|---|
| Pathway | | hsa04080 | Neuroactive ligand-receptor interaction | 
 | 
|---|
| Metabolism | Enzyme: CYP2D6 [HSA:1565 ]
 | 
|---|
| Interaction |  | 
|---|
| Structure map | | map07212 | Histamine H1 receptor antagonists | 
 | 
|---|
| Brite | Anatomical Therapeutic Chemical (ATC) classification [BR:br08303]R RESPIRATORY SYSTEM
 R06 ANTIHISTAMINES FOR SYSTEMIC USE
 R06A ANTIHISTAMINES FOR SYSTEMIC USE
 R06AD Phenothiazine derivatives
 R06AD07 Mequitazine
 D01324  Mequitazine (JP18/INN) <JP>
 Therapeutic category of drugs in Japan [BR:br08301]
 4  Agents affecting cellular function
 44  Allergic agents
 441  Antihistamines
 4413  Phenothiazines
 D01324  Mequitazine (JP18/INN)
 Classification of Japanese OTC drugs [BR:br08313]
 Agents for nervous and sensory systems
 01 Cold remedy (oral use)
 D01324  Mequitazine (JP18/INN)
 Allergic agents
 52 Antihistamine based drugs
 D01324  Mequitazine (JP18/INN)
 Agents for otolaryngologic use
 69 Oral medicine for nasal inflammation
 D01324  Mequitazine (JP18/INN)
 Risk category of Japanese OTC drugs [BR:br08312]
 Second-class OTC drugs
 Inorganic and organic chemicals
 Mequitazine
 D01324  Mequitazine (JP18/INN)
 Drug groups [BR:br08330]
 Anti-allergic agent
 DG01557  Histamine receptor antagonist
 DG01482  Histamine receptor H1 antagonist
 D01324  Mequitazine
 Dermatological agent
 DG03243  Atopic dermatitis agent
 D01324  Mequitazine
 Metabolizing enzyme substrate
 DG01644  CYP2D6 substrate
 D01324  Mequitazine
 Drug classes [BR:br08332]
 Anti-allergic agent
 DG01482  Histamine receptor H1 antagonist
 D01324  Mequitazine
 Dermatological agent
 DG03243  Atopic dermatitis agent
 D01324  Mequitazine
 Target-based classification of drugs [BR:br08310]
 G Protein-coupled receptors
 Rhodopsin family
 Histamine
 HRH1
 D01324  Mequitazine (JP18/INN) <JP>
 Drugs listed in the Japanese Pharmacopoeia [BR:br08311]
 Chemicals
 D01324  Mequitazine
 D01324  Mequitazine tablets
 Drug metabolizing enzymes and transporters [br08309.html]
 Drug metabolizing enzymes
 D01324
 Rx-to-OTC switch list in Japan [br08314.html]
 D01324
 
 | 
|---|
| Other DBs |  | 
|---|
| LinkDB |  | 
|---|
| KCF data | ATOM        23
 1   C1x C    23.4130  -15.6918
 2   N1y N    24.8526  -14.8141
 3   C1y C    22.6816  -14.6444
 4   C1x C    24.8526  -13.5735
 5   C1x C    26.3564  -15.6216
 6   C1y C    24.0978  -13.8077
 7   C1x C    24.1035  -12.8187
 8   C1x C    25.6602  -14.5097
 9   C8x C    17.8213  -17.4339
 10  C8x C    17.8213  -18.8339
 11  C8x C    19.0367  -19.5339
 12  C8x C    19.0367  -16.7339
 13  C8y C    20.2449  -17.4339
 14  C8y C    20.2388  -18.8339
 15  S2x S    21.4483  -19.5392
 16  N1y N    21.4603  -16.7392
 17  C8y C    22.6698  -17.4443
 18  C8y C    22.6570  -18.8407
 19  C8x C    23.8600  -19.5497
 20  C8x C    25.0756  -18.8626
 21  C8x C    25.0883  -17.4662
 22  C8x C    23.8853  -16.7572
 23  C1b C    21.4663  -15.3392
 BOND        27
 1    10  11 2
 2    11  14 1
 3    13  12 1
 4    12   9 2
 5     2   5 1
 6     3   6 1
 7     4   7 1
 8     5   8 1
 9    13  14 2
 10   14  15 1
 11   15  18 1
 12   17  16 1
 13   16  13 1
 14    6   7 1
 15    6   8 1
 16    1   2 1
 17    1   3 1
 18    2   4 1
 19   17  18 2
 20   18  19 1
 21   19  20 2
 22   20  21 1
 23   21  22 2
 24   22  17 1
 25    9  10 1
 26   16  23 1
 27   23   3 1
 
 | 
|---|