HQE

benzene-1,4-diol

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is present as a standalone ligand in 7 entries

as a non-polymer is covalently linked to polymer or other heterogen groups 4 entries

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Chemical Component Summary
Name	benzene-1,4-diol
Identifiers	benzene-1,4-diol
Formula	C₆ H₆ O₂
Molecular Weight	110.111
Type	NON-POLYMER
Isomeric SMILES	c1cc(ccc1O)O
InChI	InChI=1S/C6H6O2/c7-5-1-2-6(8)4-3-5/h1-4,7-8H
InChIKey	QIGBRXMKCJKVMJ-UHFFFAOYSA-N

Chemical Details
Formal Charge	0
Atom Count	14
Chiral Atom Count	0
Bond Count	14
Aromatic Bond Count	6

Drug Info: DrugBank

DrugBank ID	DB09526
Name	Hydroquinone
Groups	approved investigational
Description	Hydroquinone is a topical lightening product found in OTC products, and is used to correct skin discoloration associated with disorders of hyperpigmentation including melasma, post-inflammatory hyperpigmention, sunspots, and freckles. It can be used alone, but is more frequently found in combination with other agents such as alpha-hydroxy acids, corticosteroids, retinoids, or sunscreen. Hydroquinone has come under scrutiny due to several complications associated with its use, including dermal irritation, exogenous onchronosis, and carginogenicity. As a result of these concerns, hydroquinone has been banned in the EU and UK.
Synonyms	benzene-1,4-diol p-hydroxyphenol 1,4-benzenediol p-Hydroquinone 1,4-dihydroxybenzene 4-Hydroxyphenol p-Benzenediol Hydroquinone Quinol
Brand Names	Banishing Cream Zo Medical Zo Multi-therapy Hydroquinone System Palmer's Skin Success Fade Cream-for Dry Skn Meaningful Beauty Dark Spot Correcting Treatment Olivia Quido Skincare Blemish Eraser Movate Skin Lightening Hyaluronic Acid Sodium Salt 1% / Hydroquinone 6% ZO Skin Health Pigment Control Program Plus Hydroquinone Ambi Skincare Normal Skin Fade Lustra Nadinola Skin Fade for Dry Skin Eldopaque Forte Crm 4% Clear Essence Advance Complex Fade Gel Image MD Lightening Rx gloTriple Action Serum Ultra Glow Skin Tone Cream for Normal Skin Condition and Enhance System Travel-size Surgical Obagi Medical - Nu-Derm System - Normal to Dry - Skin Transformation Kit EB5 Age Spot Treatment Esoterica Facial Cream Esoterica Nighttime with Moisturizers Dual Action Skin Lightener Total White Brightening Hyperpigmentation Treatment Clear Action Eldoquin Pharmaskincare Serum Skin Lightening Glyquin Xm Miracle Fade Exuviance Intense Lightening Complex 141030 Hydroquinone 8% Esoterica Unscented Fortified W.sun Screen SH 18 Whitening Neostrata Hq Plus Lightening Cream Body Merry Lightening and Whitening Cream Seequin 4 Hydroquinone 6% / Tretinoin 0.05% / Triamcinolone 0.025% Multi Complex Fade Rodan & Fields Proactiv Solution: Skin Lightening Lotion Obagi-C Rx system C-Therapy Night Skin Lightening with Vitamins C and E Desoximetasone 0.05% / Hydroquinone 6% / Tretinoin 0.05% Spotfade Dark Spot Wand Sunbalance Hydrocortisone 0.5% / Hydroquinone 6% / Tretinoin 0.05% Hydroquinone 6% /tretinoin 0.05% Artra Skin Tone for Normal Skin Nadinola Skin Disc.fade Crm for Oily Skin 2% Dermablend Chromatone Fade Cream With Sunscreen Hot Movate Derma Lightening Obagi-C Rx System Normal-oily Skin Intervention Ultra-Potent Brightening Serum Nadinola Skin Disc.fade Crm for Dry Skin 2% AMBI Fade Normal Skin Corrector 2 Hqra-otc MELAMIN Skin Bleaching and Correcting Nova Complex HQ eB5 Age Spot Formula SH18 Skin Lightening Esoterica Scented-fortified With Sunscreen 141061 Hydrocortisone 0.5% / Hydroquinone 8% / Tretinoin 0.025% Eldoquin Forte Balancer Topiclear Cocoa Butter Dr. Lightening Ultra-Potent Facial ELASTIDERM DECOLLETAGE SKIN LIGHTENING COMPLEX Chest and Neck Hydroquinone 5% / Tretinoin 0.025% / Triamcinolone Acetonide 0.025% ZO Skin Health Pigment Control Plus Blending Creme Hydroquinone Dr. Throwers Pbc No. 1 Divine Derrier Skin Bleaching cream Black and White Skin Bleach eB5 Age Sport Formula Medicated Fade Creme with Sunscreen 141016 Hydrocortisone 0.5% / Hydroquinone 4% / Tretinoin 0.025% Clear Essence Medicated Fade Cream OBAGI-C RX System NORMAL-DRY SKIN INTERVENTION Hydrocortisone 0.5% / Hydroquinone 4% / Tretinoin 0.025% Obagi - C Aclaro PD Hydroquinone Ultra Glow Skin Tone Cream for Oily Skin Porcelana Medicated Fade Cream - Orig. Fmla Solaquin Metasol Body Fade Creme Maximum Strength ZO Skin Health Multi-Therapy Hydroquinone System 141067 Hydroquinone 8% Idole Black 141017 Hydrocortisone 0.5% / Hydroquinone 6% / Tretinoin 0.025% Even Tone Night Treatment Skin Lightening Rodan Fields Nadinola Skin FadeExtra African Formula Black Medisilke Night Idole Carrot NU-DERM System NORMAL-Oily SKIN TRANSFORMATION Clear-N-Smooth UltraMax Seequin 4 Ids ZO MEDICAL MELAMIN-C Skin Bleaching and Correcting with Vitamin C Hydroquinone Obagi Medical - Nu-Derm System - Normal to Dry - Skin Transformation Trial Kit Clear-N-Smooth Super-Ultimate Melquin Hp Porcelana Medicated Fade Crm Sunscreen Fmla Continuum Unifying Lotion I Alumier MD Lightening Lumipearl Dark Mark Corrector LumaSilk Emulsion Level 02 Precious Beauty Skin Lightening 141060 Hydrocortisone 0.5% / Hydroquinone 4% / Tretinoin 0.025% Borba Age Defying Skin Lightening Spot Treatment Jouvence Crm 2% Obagi Nu-Derm Phaze 13 Light N' Block Pigment Cream NU-DERM CLEAR Skin Bleaching and Corrector Dr. Throwers Skin Lightening Moisturizing Topiclear Xtra beauty Hydroquinone Skin Bleaching Agent Normal Skin Hydroquinone 8%. AMBI Fade Oily Skin Hydroquinone 8% / Tretinoin 0.025%. Dark Spot Lightening Cream African Formula Skin Lightening Dermisa Skin Fade BEST Age Spot Remover Nu-derm System Normal-dry Skin Transformation Erfa Hydroquinone Lustra AF OLIVIA QUIDO FIRM and FADE II REVERS Lightening Regimen for the Appearance of Stubborn Dark Marks, Patches and Age Spots Travel Size Hydrocortisone 1% / Hydroquinone 8% / Tretinoin 0.05% Movate Lemon Skin Beautifying Milk Hydroquinone Skin Bleaching Agent Oily Skin Hydroquinone cream Topiclear Paris Beauty CONDITION AND ENHANCE BLENDER Skin Lightener and Blending Viquin Forte With Moisturizing Aha - Crm Differin Dark Spot Correcting Serum Glytone Dark Spot Corrector Idole Beauty Hydrocortisone 0.5% / Hydroquinone 8% / Tretinoin 0.05% Unblemish Regimen for Acne and Post Acne Marks Essential Fade Complex ZO Skin Health Pigment Control Creme Hydroquinone Creme Blanchissante - Crm 2% Pharmaskincare Parfait Lightening Serum Sledgehammer Topiclear Carrot Conditioning Gel Obagi Advanced Skin Lightening Serum Esoterica Sunscreen Fade Cream Proactiv Solution Dark Spot Corrector Enlighten Me 141055 Hydroquinone 6% Topiclear Skin Lightening LumaSilk Emulsion Level 03 Melquin 3 Skin Lightener Perrigo Hydroquinone with sunscreens I-max Lightening 5 Skinprint 3D Clear Peel Clear Essence Skin Lightening Gel Hydroquinone Time Release Idole Natural Organic Glytone Skin Lightening Hydrocortisone 0.5% / Hydroquinone 8% / Tretinoin 0.025% Esoterica Daytime with Moisturizers and Sunscreen Cicatricure Skin Lightening Topiclear Hydroquinone 4% OBAGI-C Rx system C-CLARIFYING SERUM NORMAL TO oily SKIN LIGHTENING SERUM WITH VITAMIN C Nu-derm Starter Set Normal-dry Skin Transformation System Hydroquinone 8% Active 4 Ambi Extra Skin Discoloration Fade Cream Solaquin Forte Ambi Fade Oily Skin Movate Carrot Restoration Serum Epione Light The Way Clear-N-Smooth Zarina Skin Lightening Cream With Sunscreening Filter Skin Lightening Complex Ultraplus Skin Lightening Cream - 2% MD Acne Medicated Dark Spot Remover Clear-N-Smooth Ultimate Seequin 2 Vantex Skin Bleaching Crm W Sunscreen 2% Dermisa Skin Fade Cream Nu-derm Travel Set Normal/dry Skin Transformation System Celazome Fade Shades Lightening Cream w/ Glycolic Acid Sunvanish Topiclear Xtra lemon beauty Gold Cosmetics Adi Clear Olivia Quido Blemish Eraser OBAGI-C RX system NORMAL-oily SKIN INTERVENTION Artra Skin Tone for Oily Skin Fading Fluid Esoterica Unscented NU-DERM BLENDER Skin Lightener and Blending Pure Valley Miracle Age Spot Exence White AMBI Skincare Oily Skin Fade Proactiv Advanced Dark Spot Correcting Serum Ambi Fade Normal Skin Lustra-AF Hydrocortisone 0.5% / Hydroquinone 6% / Tretinoin 0.025% Dermablend Advanced Fade Cream With Sunscreen and Moisturizing Aha Cenovia Drula Fade Cream Medium-medicated I-max Lightening L Lightener Nuderm Sunfader Obagi Protocols Clear PCA Skin Intensive Pigment Eraser PLEXADERM Dark Spot Fade Gel Top White Skin Lightening Neova Complex HQ Plus Scarlight MD Crusader Skin Lightening Alphaquin HP Vivant True Tone MELAMIN Skin Bleaching and Correcting Hydroquinone Idole Skin Lightening Glytone Clarifying SunVanish with Sunscreen Pa Plus Advanced Dark Spot Correcting Serum Vivant True Tone Forte SYMBA Skin Lightening ZO Skin Health Pigment Control plus Brightening Creme Hydroquinone plus Vitamin C Dolly Intense Lightening NeoStrata HQ Skin Lightening African Gold Skin Discoloration Fade Crm 2% Gold Cosmetics Bleach Cream Forte Palmer's Skin Success Fade Cream-normal Skin Nu-derm Starter Set Normal-oily Skin Transformation System Hydrocortisone 2.5% / Hydroquinone 4% / Tretinoin 0.025%, Idole Natural Organic Skin Lightening Glytone skin bleaching fading Porcelana Day Skin Lightening Unblemish Nuquin Hp Unblemish Dermatologist Developed Spot Fading Toner Black Opal Advanced Dual Phase Fade Creme Othine Skin Bleach Artra Skin Tone for Dry Skin Corrector 4 Drula Fade Cream Superforte Medicated NeoCeuticals Post Acne Fade Rejuvaderm medispa fading Skinprint Recover Lightening Complex with 2% Hydroquinone Porcelana Skin Lightening Nighttime Hydration Triderma Meditowel Illuminating Skin Brightening Clairissime Clear Complexion Lotion HQ Plus Brightening Cream VI Derm Pigment Advanced Lightning Ultra Glow Fade with Aloe Vera Recover Lightening Complex with 4% Hydroquinone Brighten Lightening Activator Light OBAGI C RX system C CLARIFYING SERUM Idole Intense Ultra Glow Skin Tone Cream Oily Skin Aloe Vera Aclaro Hydroquinone Nu-derm System Normal-oily Skin Transformation SLMD Skincare by Sandra Lee, M.D. - Dark Spot Fix Palmer's Skin Success Fade Cream-for Oily Sk Piona 141011 Hydroquinone 6% Dermaclair Skin Lightening Esoterica Daytime with Sunscreen Hydroquinone 4% / Tretinoin 0.025% / Triamcinolone Acetonide 0.025% AGELESS Total Skin Bleaching Serum Porcelana Skin Lightening Daytime Protection Teatrical Pro-Aclarant Skin Lightening Hydroquinone 4% / Tretinoin 0.025% Hyaluronic Acid Sodium Salt 0.5% / Hydroquinone 4% / Tretinoin 0.05% Drula Fade Cream Extra-medicated Rodan and Fields Skin Lightening Treatment Fade Away Extra Care New York Fair and Lovely MELAMIX Skin Lightener and Blending Metasol Skin Lightening NU-DERM system NORMAL-DRY SKIN TRANSFORMATION TRIAL Ultraquin 4% Hydroquinone Cream With Sunscreens Hydrocortisone 0.5% / Hydroquinone 6% Neostrata Canada Hq Plus Cream Obagi Nu-Derm Sunfader Superlightener Accelerated Dark Spot Corrector Fair and White NU-DERM system NORMAL-oily SKIN TRANSFORMATION TRIAL Eldopaque Crm 2% Dermisa Skin Fade Vitamin C infused Clear-N-Smooth SuperMax Hydroquinone 6% Melpaque HP Idole Lemon Clear-N-Smooth PLUS OLIVIA QUIDO FIRM and FADE I Double White SH18 Caviar Beauty NU-DERM SUNFADER Skin Lightener with Sunscreen (SPF 15) PABA FREE Hqla Nadinola Skin Fade for Normal Skin CONDITION AND ENHANCE CLEAR Skin Bleaching and Corrector Topiclear Lemon Hydro-Q Porcelana 24 Hour Skin Lightening Obagi-C Rx System Normal-dry Skin Intervention African Formula Carrot Clear Essence Skin Lightening Milk Fade Dark Spots Daytime Treatment Corrector Light Hydroquinone with sunscreens Black Opal Advance Dual Complex Fade Gel Gold Cosmetics Bleach Cream Silver Caro Light Daily Fade Maximum Strength SPF15 Crusader Ultra Skin Lightening Nu-derm System Normal-dry Skin Transformation Trial Nadinola Skin Discoloration Fade Cream-S.C.f Hydroquinone Ultra Glow Fade EpiQuin Micro Esoterica Regular Cream Advanced Skin Lightening Cream Proactiv Skin Lightening Ultra Glow Skin Tone Cream Dry Skin Aloe Vera Advanced Dual Complex Fade Maximum Strength Plus Nadinola Skin Fade for Oily Skin Fade Dark Spots Nighttime Treatment Hydroquinone 8% / Tretinoin 0.025% Tri-luma REVERSE Lightening Regimen for the Appearance of Stubborn Dark Marks, Patches and Age Spots Topiclear Cocoa Butter beauty NEXT GENERATION Correct Brightening Serum Skin Lightening Cream Teatrical Skin Lightening Skin Lightener SH18 Ultra Harmonie Carrot Beauty Ultra Glow Skin Tone Cream Normal Skin Aloe Vera Skin Lightening Treatment Condition and Enhance System Full-size Non-surgical Glytone SunVanish Skin Lightening Nu-derm System Normal-oily Skin Transformation Trial Skin Lightening Accelerator Pack Bright Malika and Khadija Brightening Spot Treatment Epiquin Micro Gold Cosmetics Bleach Cream Condition and Enhance System Travel-size Non-surgical Skinprint ClearTone with 2% Hydroquinone Drula Fade Cream Normal-medicated Continuum Unifying Lotion II Clarite 4 Top White Glytone Clarifying Lightening HQ Spot Topiclear Paris Movate Skin Lightening Lemon Porcelana Night Skin Lightening Skinprint ClearTone with 8% Hydroquinone 141010 Hydroquinone 4% Vividly Brilliant Perfecting Sh18
Indication	Hydroquinone is used as an OTC topical lightening agent for disorders of hyperpigmentation including melasma, post-inflammatory hyperpigmention, sunspots and freckles.
Categories	Antioxidants Benzene Derivatives Biological Factors Compounds used in a research, industrial, or household setting Depigmenting Agents Dermatologicals Melanin Synthesis Inhibitor Melanin Synthesis Inhibitors Mutagens Noxae Phenols Protective Agents Radiation-Protective Agents Toxic Actions
ATC-Code	D11AX11
CAS number	123-31-9

Drug Targets

Name	Target Sequence	Pharmacological Action	Actions
Tyrosinase	MLLAVLYCLLWSFQTSAGHFPRACVSSKNLMEKECCPPWSGDRSPCGQLS...	unknown	inhibitor
Cysteinyl leukotriene receptor 1	MDETGNLTVSSATCHDTIDDFRNQVYSTLYSMISVVGFFGNGFVLYVLIK...	unknown	activator
Lysosomal alpha-glucosidase	MGVRHPPCSHRLLAVCALVSLATAALLGHILLHDFLLVPRELSGSSPVLE...	unknown	product of
Serum albumin	MKWVTFISLLFLFSSAYSRGVFRRDAHKSEVAHRFKDLGEENFKALVLIA...	unknown

Drug Info/Drug Targets: DrugBank 3.0: a comprehensive resource for 'omics' research on drugs. Knox C, Law V, Jewison T, Liu P, Ly S, Frolkis A, Pon A, Banco K, Mak C, Neveu V, Djoumbou Y, Eisner R, Guo AC, Wishart DS. Nucleic Acids Res. 2011 Jan; 39 (Database issue):D1035-41. | PMID:21059682

Related Resource References

Resource Name	Reference
Pharos	CHEMBL537
PubChem	785
ChEMBL	CHEMBL537
ChEBI	CHEBI:17594
CCDC/CSD	BATRET, CPFEHQ, CIRWEG, AXILUQ, EBILUX, BOKHUG, CEFDOG, COHWIF01, CISCOW, CAKZEV, DOMBEN, BIRQUO, EDAYUG, COZZIB, EDAYEQ, BAVKOA, CABWAD, COHWIF03, ABORAM, COZZOH, BAMZUN01, ACESIL, BAMZUN, AVEKER, EBIMEI, COHWIF02, BUSPAG, BZMETD, EKESIY04, EKESIY05, DIZCEV, DAMPOZ, DAMPOZ01, EKESIY01, EKESIY02, BAMZUN02, EKESIY03, EKESIY06, EKESAQ02, EKESAQ01, ABOQUF, BACRAB, CIPLES, CARWUP, BAMZUN03, COHWIF, CARWUP02, CARWUP01, AVEKIY
COD	2100714, 2100715, 2100716, 2100717, 2211791, 2103388, 2204577, 2100228, 2100231

RCSB PDB Core Operations are funded by the U.S. National Science Foundation (DBI-2321666), the US Department of Energy (DE-SC0019749), and the National Cancer Institute, National Institute of Allergy and Infectious Diseases, and National Institute of General Medical Sciences of the National Institutes of Health under grant R01GM157729.

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HQE

benzene-1,4-diol

Chemical Component Summary

Chemical Details

Drug Info: DrugBank

Drug Targets

Related Resource References