| Entry |
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| Name |
Diphenhydramine hydrochloride
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| Formula |
C17H21NO. HCl
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| Exact mass |
291.1390
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| Mol weight |
291.81
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| Structure |
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| Remark |
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| Brite |
Anatomical Therapeutic Chemical (ATC) classification [BR:br08303]
D DERMATOLOGICALS
D04 ANTIPRURITICS, INCL. ANTIHISTAMINES, ANESTHETICS, ETC.
D04A ANTIPRURITICS, INCL. ANTIHISTAMINES, ANESTHETICS, ETC.
D04AA Antihistamines for topical use
D04AA32 Diphenhydramine
D00669 Diphenhydramine hydrochloride (JP18/USP) <JP/US>
R RESPIRATORY SYSTEM
R06 ANTIHISTAMINES FOR SYSTEMIC USE
R06A ANTIHISTAMINES FOR SYSTEMIC USE
R06AA Aminoalkyl ethers
R06AA02 Diphenhydramine
D00669 Diphenhydramine hydrochloride (JP18/USP) <JP/US>
USP drug classification [BR:br08302]
Antiemetics
Antiemetics, Other
Diphenhydramine
D00669 Diphenhydramine hydrochloride (JP18/USP)
Antiparkinson Agents
Anticholinergics
Diphenhydramine
D00669 Diphenhydramine hydrochloride (JP18/USP)
Respiratory Tract/Pulmonary Agents
Antihistamines
Histamine (H1) Receptor Antagonists, Sedating
Diphenhydramine
D00669 Diphenhydramine hydrochloride (JP18/USP)
Therapeutic category of drugs in Japan [BR:br08301]
4 Agents affecting cellular function
44 Allergic agents
441 Antihistamines
4411 Diphenhydramines
D00669 Diphenhydramine hydrochloride (JP18/USP)
Classification of Japanese OTC drugs [BR:br08313]
Agents for nervous and sensory systems
01 Cold remedy (oral use)
D00669 Diphenhydramine hydrochloride (JP18/USP)
04 Sedative hypnotic agents
D00669 Diphenhydramine hydrochloride (JP18/USP)
06 Antivertigo drugs (incl. motion/morning sickness remedies)
D00669 Diphenhydramine hydrochloride (JP18/USP)
Allergic agents
52 Antihistamine based drugs
D00669 Diphenhydramine hydrochloride (JP18/USP)
Agents for integumentary system
57 Analgesic, antipruritic, astringent, and anti-inflammatory remedies (incl. gel patches)
D00669 Diphenhydramine hydrochloride (JP18/USP)
Agents for ophthalmologic use
64 Allergy eye drops
D00669 Diphenhydramine hydrochloride (JP18/USP)
Risk category of Japanese OTC drugs [BR:br08312]
Designated second-class OTC drugs
Inorganic and organic chemicals
Diphenhydramine
D00669 Diphenhydramine hydrochloride (JP18/USP)
Second-class OTC drugs
Inorganic and organic chemicals
Diphenhydramine
D00669 Diphenhydramine hydrochloride (JP18/USP)
Third-class OTC drugs
Inorganic and organic chemicals
Diphenhydramine
D00669 Diphenhydramine hydrochloride (JP18/USP)
Animal drugs in Japan [BR:br08331]
95 Agents for external use
953 Analgesics, anti-itchings, astringents and antiinflammatory agents
9532 Anti-histaminic and preparations
C07784 Diphenhydramine hydrochloride
954 Anti-dermoinfectives
9549 Other anti-dermoinfectives
C07784 Diphenhydramine hydrochloride
96 Agents affecting metabolism
968 Antiallergic agents (including nonspecific antigen preparations)
9681 Diphenhydramine, derivatives and preparations
C07784 Diphenhydramine hydrochloride
Drug groups [BR:br08330]
Anti-allergic agent
DG01557 Histamine receptor antagonist
DG01482 Histamine receptor H1 antagonist
DG00390 Diphenhydramine
D00669 Diphenhydramine hydrochloride
Drug classes [BR:br08332]
Anti-allergic agent
DG01482 Histamine receptor H1 antagonist
D00669 Diphenhydramine hydrochloride
Target-based classification of drugs [BR:br08310]
G Protein-coupled receptors
Rhodopsin family
Histamine
HRH1
D00669 Diphenhydramine hydrochloride (JP18/USP) <JP/US>
Drugs listed in the Japanese Pharmacopoeia [BR:br08311]
Chemicals
D00669 Diphenhydramine hydrochloride
Rx-to-OTC switch list in the USA [br08315.html]
D00669
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| Other DBs |
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| LinkDB |
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| KCF data |
ATOM 20
1 X Cl 35.2801 -16.8000
2 C1c C 28.6548 -15.7456
3 C8y C 27.4439 -16.4499
4 C8y C 29.8716 -16.4499
5 O2a O 28.6607 -14.3484
6 C8x C 27.4439 -17.8530
7 C8x C 26.2330 -15.7456
8 C8x C 29.8659 -17.8530
9 C8x C 31.0766 -15.7456
10 C1b C 29.8716 -13.6440
11 C8x C 26.2330 -18.5456
12 C8x C 25.0162 -16.4499
13 C8x C 31.0766 -18.5456
14 C8x C 32.2933 -16.4499
15 C8x C 25.0162 -17.8530
16 C8x C 32.2874 -17.8530
17 C1b C 31.1075 -14.3550
18 N1c N 32.3040 -13.6616
19 C1a C 33.4933 -14.3457
20 C1a C 32.3018 -12.2527
BOND 20
1 6 11 2
2 7 12 1
3 8 13 1
4 9 14 2
5 11 15 1
6 13 16 2
7 12 15 2
8 14 16 1
9 2 3 1
10 2 4 1
11 2 5 1
12 3 6 1
13 3 7 2
14 4 8 2
15 4 9 1
16 5 10 1
17 10 17 1
18 17 18 1
19 18 19 1
20 18 20 1
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