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Every herb, ingredient, formula, gene target, and disease — connected through real research. Search, pick a subject, and navigate the graph in any direction.
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Ingredient
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Gene Target
15,505
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Disease
30,170
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Evidence
23,295
trials · metas · refs
Plus 6,743 TCM formulas connecting herbs together
⚗️ Ingredient
Hydroquinone
10
Clinical Trials
0
Meta-Analyses
3
PubMed References
Top Conditions Studied with Hydroquinone
📋 Sample Trials
NCT02095990
Efficacy and Safety of a 4% Hydroquinone Cream for the Treatment of Melasma
Completed · Phase 3
NCT03049059
A Comparative Study for Efficacy and Safety Between 4% Hydroquinone Cream With or Without Fractional Picosecond 1,064 nm Laser for the Treatment of Dermal or Mixed Type Melasma
Completed · Phase 2
NCT03982849
Comparison of Topical Silymarin With Hydroquinone in the Treatment of Melasma
Completed · Phase 2
📊 Sample Meta-Analyses
None linked yet.
📚 Sample References
PMID 34200499
Hydroquinone Exposure Worsens Rheumatoid Arthritis through the Activation of the Aryl Hydrocarbon Receptor and Interleukin-17 Pathways
Antioxidants (Basel) · 2021
PMID 34204067
Hydroquinone Induces NLRP3-Independent IL-18 Release from ARPE-19 Cells
Cells · 2021
PMID 35346662
Hydroquinone destabilizes BIM mRNA through upregulation of p62 in chronic myeloid leukemia cells
Biochem Pharmacol · 2022
⚗️ All Ingredient data fields for Hydroquinone
⚗️ Identity
Name
Hydroquinone
Aliases / Synonyms
123-31-9; Benzene-1,4-diol; 1,4-benzenediol; Quinol; 1,4-Dihydroxybenzene; p-Benzenediol; p-Hydroquinone; p-Hydroxyphenol; 4-Hydroxyphenol
🧪 Chemistry
Molecular Weight
110.1120
LogP
1.0978
Drug-likeness
0.491
Oral Bioavailability
29.2590
H-Bond Acceptors
2
H-Bond Donors
2
🔬 Structures
Canonical SMILES
C1=CC(=CC=C1O)O
Isomeric SMILES
C1=CC(=CC=C1O)O
InChIKey
QIGBRXMKCJKVMJ-UHFFFAOYSA-N
InChI
InChI=1S/C6H6O2/c7-5-1-2-6(8)4-3-5/h1-4,7-8H
🔗 External References
HERB DB
PubChem CID
CAS Number
NPASS
NPC65517
HIT
C0130
SymMap
414
TCMID
9739
TCMSP
MOL000579
TCM-ID
3654
🔍 Raw view — every non-empty column on this row (34 fields)
name
Hydroquinone
common names
123-31-9; Benzene-1,4-diol; 1,4-benzenediol; Quinol; 1,4-Dihydroxybenzene; p-Benzenediol; p-Hydroquinone; p-Hydroxyphenol; 4-Hydroxyphenol
herb ingredient id
HBIN029685
canonical smiles
C1=CC(=CC=C1O)O
isomeric smiles
C1=CC(=CC=C1O)O
inchi
InChI=1S/C6H6O2/c7-5-1-2-6(8)4-3-5/h1-4,7-8H
inchikey
QIGBRXMKCJKVMJ-UHFFFAOYSA-N
mol wt
110.1120
num h acceptors
2
num h donors
2
mol logp
1.0978
num rotatable bonds
0
drug likeness
0.491
ob score
29.2590
cas id
57534-13-1
symmap mol id
414
tcmid ingredient id
9739
tcmsp ingredient id
MOL000579
tcm id ingredient id
3654
pubchem cid
785
npass id
NPC65517
hit id
C0130
🏥 Linked Health Topics
2 · studied for these conditions (text bridge)📋 Clinical Trials
10 · subject of clinical studyNCT02095990 Efficacy and Safety of a 4% Hydroquinone Cream for the Treatment of Melasma
→ Facial Melasma
NCT03049059 A Comparative Study for Efficacy and Safety Between 4% Hydroquinone Cream With o
→ Picoseconds Laser|Melasma
NCT03982849 Comparison of Topical Silymarin With Hydroquinone in the Treatment of Melasma
→ Melasma
NCT04345094 Evaluation of Hexyresorcinol vs Hydroquinone for Photoaging
→ Photoaging
NCT04597203 Efficacy and Safety of Using Combination of 755-nm Picosecond Alexandrite Laser
→ Melasma
NCT04875715 Prospective Evaluation of Topical Almond Oil vs Hydroquinone
→ Skin Pigmentation
NCT03751163 Oral Tranexamic Acid and Topical Hydroquinone in the Treatment of Melasma
→ Melasma
NCT05511948 Randomized and Open Label Study for Safety and Efficacy of DBI-102 vs. Vehicle v
→ Hyperpigmentation
NCT05969587 Cysteamine Compared to Hydroquinone in Melasma
→ Melasma
NCT05887219 Comparison of Azelaic Acid 20 % Cream Versus Hydroquinone 4% Cream as an Adjuvan
→ Melasma
📚 PubMed References
3 · cited researchPMID 34200499 Hydroquinone Exposure Worsens Rheumatoid Arthritis through the Activation of the
Antioxidants (Basel)
PMID 34204067 Hydroquinone Induces NLRP3-Independent IL-18 Release from ARPE-19 Cells
Cells
PMID 35346662 Hydroquinone destabilizes BIM mRNA through upregulation of p62 in chronic myeloi
Biochem Pharmacol
How relationships are computed
- Clinical Trials / Meta-Analyses / References: direct foreign-key link via
subject_entity_id(Phase 2d wireup) - Formula ↔ Herbs: text bridge via
formulas.herbs_in_pinyinmatchingherbs.pinyin_name - Herb ↔ Ingredient:
empty — needs
HERB_herb_ingredientimport - Ingredient ↔ Target:
empty — needs
HERB_ingredient_targetimport - Target ↔ Disease:
empty — needs
HERB_target_diseaseimport - Herb → Target → Disease (full chemical spine): awaiting Phase 2e link tables