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Pigmentation Inhibitor

" in MedChemExpress (MCE) Product Catalog:

By Targets:	AMPK (1) Antibiotic (1) AP-1 (1) Apoptosis (1) Autophagy (2) Drug Derivative (2) Keap1-Nrf2 (1) Melanocortin Receptor (3) Nuclear Factor of activated T Cells (NFAT) (1) PARP (1) Reactive Oxygen Species (ROS) (1) Ser/Thr Protease (1) Tyrosinase (10)
By Research Areas:	Cancer (6) Cardiovascular Disease (1) Endocrinology (3) Inflammation/Immunology (4) Metabolic Disease (10) Neurological Disease (1)

Inhibitors & Agonists

Biochemical Assay Reagents

Peptides

Natural
Products

Cat. No.	Product Name	Target	Research Areas	Chemical Structure

HY-W251181

Isobutylamido thiazolyl resorcinol	Tyrosinase	Metabolic Disease
Isobutylamido thiazolyl resorcinol is a selective hTyr inhibitor with an IC₅₀ of 1.1 μM. Isobutylamido thiazolyl resorcinol shows an IC₅₀ of 108 μM against mushroom Tyrosinase. Isobutylamido thiazolyl resorcinol effectively prevents pigmentation caused by UVB irradiation. Isobutylamido thiazolyl resorcinol significantly improves the visibility of acne-induced hyperpigmentation .

HY-P0097

Nonapeptide-1 2 Publications Verification Melanostatine-5	Melanocortin Receptor	Metabolic Disease Endocrinology Cancer
Nonapeptide-1 (Melanostatine-5), a peptide hormone, is a selective antagonist of MC1R (K_i: 40 nM). Nonapeptide-1 is a competitive α-MSH antagonist that potently inhibits intracellular cAMP and melanosome dispersion induced by α-MSH in melanocytes (IC₅₀: 2.5 nM and 11 nM, respectively). Nonapeptide-1 inhibits melanin synthesis, and can be used in the research of skin pigmentation and regulation of steroid production in the adrenal gland, skin cancer .

HY-P10533

Cysteine peptide	Tyrosinase	Others
Cysteine peptide is a tyrosinase inhibitor with skin-whitening, antioxidant and multi-regulatory activities. Cysteine peptide inhibits enzyme activity and blocks melanin transport, effectively reducing UV-B-induced skin erythema and pigmentation. Cysteine peptide synergistically maintains skin health by quenching ROS, resisting oxidative stress and promoting pheomelanin production. Cysteine peptide safely prevents daily ultraviolet damage and supports moderate sun exposure for vitamin D synthesis. Cysteine peptide also acts as a plant signaling factor to regulate vegetative growth, development and stress resistance responses .

HY-N1775

3',4'-Dihydroxyacetophenone 3,4-DHAP	Tyrosinase Reactive Oxygen Species (ROS) Keap1-Nrf2 PARP Autophagy Apoptosis	Cardiovascular Disease Neurological Disease Metabolic Disease Inflammation/Immunology Cancer
3',4'-Dihydroxyacetophenone (3,4-DHAP) is a phenolic compound with oral bioavailability, possessing potent antioxidant, anti-inflammatory, anticancer and cardiovascular protective activities. 3',4'-Dihydroxyacetophenone inhibits mushroom Tyrosinase activity with an IC₅₀ of 10 μM, thereby suppressing melanogenesis . 3',4'-Dihydroxyacetophenone inhibits platelet aggregation in platelet-rich plasma. 3',4'-Dihydroxyacetophenone reduces ROS levels in human umbilical vein endothelial cells treated with high glucose, upregulates the expression of Nrf2, HO-1 and PARP-1 in cells, and promotes the nuclear translocation of Nrf2 . 3',4'-Dihydroxyacetophenone induces autophagy and apoptosis. 3',4'-Dihydroxyacetophenone inhibits seed germination/growth in most plants. 3',4'-Dihydroxyacetophenone can be used in the research of cancer, neurodegenerative diseases, non-alcoholic steatohepatitis, diabetes, obesity, skin pigmentation disorders, and cardiovascular and cerebrovascular diseases .

HY-P0097A

Nonapeptide-1 acetate salt 2 Publications Verification Melanostatine-5 acetate salt	Melanocortin Receptor	Metabolic Disease Endocrinology Cancer
Nonapeptide-1 (Melanostatine-5) acetate salt, a peptide hormone, is a selective antagonist of MC1R (K_i: 40 nM). Nonapeptide-1 acetate salt is a competitive α-MSH antagonist that potently inhibits intracellular cAMP and melanosome dispersion induced by α-MSH in melanocytes (IC₅₀: 2.5 nM and 11 nM, respectively). Nonapeptide-1 acetate salt inhibits melanin synthesis, and can be used in the research of skin pigmentation and regulation of steroid production in the adrenal gland, skin cancer .

HY-78700

4-Bromobenzoic acid	Tyrosinase	Metabolic Disease
4-Bromobenzoic acid is a tyrosinase inhibitor (IC₅₀ range 0-0.3 mg/mL). 4-Bromobenzoic acid can be metabolized through the protocatechuic acid (PCA) pathway. 4-Bromobenzoic acid can be used for research on cosmetic whitening or pigmentation conditions .

HY-N12267

N,N′-Diferuloylputrescine (E/Z)-Terrestribisamide	Melanocortin Receptor	Metabolic Disease
N,N′-Diferuloylputrescine ((E/Z)-Terrestribisamide) is a inhibitor of *pigmentation* with 57% reduction. N,N′-Diferuloylputrescine significantly reduces the protein level of MITF. N,N′-Diferuloylputrescine has strong antioxidant activities as radical scavengers against reactive oxygen species .

HY-148400

Cetyl tranexamate hydrochloride TXC hydrochloride	Ser/Thr Protease Drug Derivative	Metabolic Disease
Cetyl tranexamate (TXC) hydrochloride is an ester derivative of Tranexamic acid (HY-B0149). Cetyl tranexamate hydrochloride is an inhibitor of fibrinogen activation and can reduce the production of fibrinogen in keratinocytes induced by ultraviolet rays or damage, indirectly inhibiting the melanin production pathway. Cetyl tranexamate hydrochloride also targets melanin (dark spots) and hemoglobin (red spots), reducing vascular dilation and pigmentation by inhibiting inflammatory mediators (such as prostaglandins, platelet activating factors). Cetyl tranexamate hydrochloride can be used as a cosmetic ingredient and is suitable for epidermal pigment disorders such as photoaging, post-inflammatory hyperpigmentation (PIH), and melasma .

HY-116640

Amorphigenin	AP-1 Nuclear Factor of activated T Cells (NFAT) AMPK Autophagy	Metabolic Disease Inflammation/Immunology Endocrinology
Amorphigenin is a trothotenone compound. Amorphigenin inhibits osteoclast differentiation by suppressing the expression of c-Fos and NFATc1 in activated T cells. Amorphigenin degrades melanosome proteins by activating the AMPK-dependent autophagy pathway, but not in dependence of the mTOR pathway. Amorphigenin significantly protects bone mass and reduces bone erosion in a mouse model of inflammatory bone loss. Amorphigenin can be used to study inflammatory bone diseases, postmenopausal osteoporosis, and skin pigmentation disorders .

HY-121889

FQ	Tyrosinase	Inflammation/Immunology
FQ is a tyrosinase inhibitor that effectively inhibits the diphenolase activity of mushroom tyrosinase (IC₅₀=120 μM). FQ can be used in the study of pigmentation .

HY-161969

Tyrosinase-IN-34	Tyrosinase	Cancer
Tyrosinase-IN-34 (compound 5a) is a human tyrosinase inhibitor (IC₅₀: 3.5 μM) with the potential to control melanogenesis and pigmentation .

HY-173512

mTYR-IN-1	Tyrosinase	Metabolic Disease
mTYR-IN-1 (compound 3e) is a reversible and competitive mTYR inhibitor with an IC₅₀ of 4.86 μM. mTYR-IN-1 can be used in the study of skin pigmentation .

HY-N0113A

Hordenine sulfate Ordenina sulfate; Peyocactine sulfate	Antibiotic	Others
Hordenine sulfate (Ordenina sulfate) is an active compound extracted from malted barley that has melanin-inhibiting activity. Hordenine sulfate significantly reduced melanin content and reduced intracellular cAMP levels. Hordenine sulfate inhibits the expression of proteins related to melanogenesis, including microblind transcription factor (MITF), tyrosinase, tyrosinase-related protein (TRP)-1, and TRP-2. Therefore, Hordenine sulfate can be used as an active ingredient to inhibit pigmentation .

HY-N3773

Dodoviscin A	Tyrosinase	Cancer
Dodoviscin A is a pigmentation-altering agent, which can be isolated from the aerial parts of Dodonaea viscosa. Dodoviscin A inhibits melanin production in B16-F10 melanoma cells. Dodoviscin A suppresses mushroom tyrosinase activity, and tyrosinase activity induced by 3-isobutyl-1-methylxanthine. Dodoviscin A also inhibits the phorphosylation of cAMP response element binding protein, induced by 3-isobutyl-1-methylxanthine and forskolin .

HY-179619

Tyrosinase-IN-46	Tyrosinase	Metabolic Disease
Tyrosinase-IN-46 (Compound III19) is a tyrosinase inhibitor. Its IC₅₀ values for L-dopa and L-tyrosine are 3.24 and 2.79 nM respectively. Tyrosinase-IN-46 inhibits melanin synthesis and shows a significant anti-pigmentation effect. Tyrosinase-IN-46 can be used for the study of pigmentation disorders .

HY-179100

Tyrosinase-IN-45	Tyrosinase	Inflammation/Immunology
Tyrosinase-IN-45 (compound 4) is a tyrosinase inhibitor (IC₅₀ = 1.51 μM). Tyrosinase-IN-45 can reduce the melanin content. Tyrosinase-IN-45 can be used for skin whitening and improving pigmentation .

HY-N10337

Norjuziphine (-)-Norjuziphine	Drug Derivative	Cancer
Norjuziphine ((-)-Norjuziphine) is an alkaloid found in the lotus flower (Nelumbo nucifera). Norjuziphine inhibits the melanogenesis of murine B16 melanoma 4A5 cells stimulated by Theophylline (HY-B0809) (IC₅₀=14.4 μM). Norjuziphine is promising for research of skin whitening and related skin pigmentation diseases .

4-Bromobenzoic acid	Biochemical Assay Reagents
4-Bromobenzoic acid is a tyrosinase inhibitor (IC₅₀ range 0-0.3 mg/mL). 4-Bromobenzoic acid can be metabolized through the protocatechuic acid (PCA) pathway. 4-Bromobenzoic acid can be used for research on cosmetic whitening or pigmentation conditions .

Cat. No.	Product Name	Target	Research Area

HY-P0097

Nonapeptide-1 2 Publications Verification Melanostatine-5	Melanocortin Receptor	Metabolic Disease Endocrinology Cancer
Nonapeptide-1 (Melanostatine-5), a peptide hormone, is a selective antagonist of MC1R (K_i: 40 nM). Nonapeptide-1 is a competitive α-MSH antagonist that potently inhibits intracellular cAMP and melanosome dispersion induced by α-MSH in melanocytes (IC₅₀: 2.5 nM and 11 nM, respectively). Nonapeptide-1 inhibits melanin synthesis, and can be used in the research of skin pigmentation and regulation of steroid production in the adrenal gland, skin cancer .

HY-P10533

Cysteine peptide	Tyrosinase	Others
Cysteine peptide is a tyrosinase inhibitor with skin-whitening, antioxidant and multi-regulatory activities. Cysteine peptide inhibits enzyme activity and blocks melanin transport, effectively reducing UV-B-induced skin erythema and pigmentation. Cysteine peptide synergistically maintains skin health by quenching ROS, resisting oxidative stress and promoting pheomelanin production. Cysteine peptide safely prevents daily ultraviolet damage and supports moderate sun exposure for vitamin D synthesis. Cysteine peptide also acts as a plant signaling factor to regulate vegetative growth, development and stress resistance responses .

HY-P0097A

Nonapeptide-1 acetate salt 2 Publications Verification Melanostatine-5 acetate salt	Melanocortin Receptor	Metabolic Disease Endocrinology Cancer
Nonapeptide-1 (Melanostatine-5) acetate salt, a peptide hormone, is a selective antagonist of MC1R (K_i: 40 nM). Nonapeptide-1 acetate salt is a competitive α-MSH antagonist that potently inhibits intracellular cAMP and melanosome dispersion induced by α-MSH in melanocytes (IC₅₀: 2.5 nM and 11 nM, respectively). Nonapeptide-1 acetate salt inhibits melanin synthesis, and can be used in the research of skin pigmentation and regulation of steroid production in the adrenal gland, skin cancer .

Cat. No.	Product Name	Category	Target	Chemical Structure

HY-N1775

3',4'-Dihydroxyacetophenone 3,4-DHAP	Structural Classification Classification of Application Fields Pinaceae Phenols Polyphenols Picea schrenkiana Fisch. et Mey. Plants Disease Research Fields Source Classification Cancer	Tyrosinase Reactive Oxygen Species (ROS) Keap1-Nrf2 PARP Autophagy Apoptosis
3',4'-Dihydroxyacetophenone (3,4-DHAP) is a phenolic compound with oral bioavailability, possessing potent antioxidant, anti-inflammatory, anticancer and cardiovascular protective activities. 3',4'-Dihydroxyacetophenone inhibits mushroom Tyrosinase activity with an IC₅₀ of 10 μM, thereby suppressing melanogenesis . 3',4'-Dihydroxyacetophenone inhibits platelet aggregation in platelet-rich plasma. 3',4'-Dihydroxyacetophenone reduces ROS levels in human umbilical vein endothelial cells treated with high glucose, upregulates the expression of Nrf2, HO-1 and PARP-1 in cells, and promotes the nuclear translocation of Nrf2 . 3',4'-Dihydroxyacetophenone induces autophagy and apoptosis. 3',4'-Dihydroxyacetophenone inhibits seed germination/growth in most plants. 3',4'-Dihydroxyacetophenone can be used in the research of cancer, neurodegenerative diseases, non-alcoholic steatohepatitis, diabetes, obesity, skin pigmentation disorders, and cardiovascular and cerebrovascular diseases .

HY-N12267

N,N′-Diferuloylputrescine (E/Z)-Terrestribisamide	Zea mays L. Gramineae Phenols Polyphenols Plants Source Classification	Melanocortin Receptor
N,N′-Diferuloylputrescine ((E/Z)-Terrestribisamide) is a inhibitor of *pigmentation* with 57% reduction. N,N′-Diferuloylputrescine significantly reduces the protein level of MITF. N,N′-Diferuloylputrescine has strong antioxidant activities as radical scavengers against reactive oxygen species .

HY-116640

Amorphigenin	Structural Classification Flavonoids Leguminosae Amorpha fruticosaL. Plants Other Flavonoids Source Classification	AP-1 Nuclear Factor of activated T Cells (NFAT) AMPK Autophagy
Amorphigenin is a trothotenone compound. Amorphigenin inhibits osteoclast differentiation by suppressing the expression of c-Fos and NFATc1 in activated T cells. Amorphigenin degrades melanosome proteins by activating the AMPK-dependent autophagy pathway, but not in dependence of the mTOR pathway. Amorphigenin significantly protects bone mass and reduces bone erosion in a mouse model of inflammatory bone loss. Amorphigenin can be used to study inflammatory bone diseases, postmenopausal osteoporosis, and skin pigmentation disorders .

HY-N0113A

Hordenine sulfate Ordenina sulfate; Peyocactine sulfate	Monophenols Gramineae Phenols Hordeum vulgare L. Plants Source Classification	Antibiotic
Hordenine sulfate (Ordenina sulfate) is an active compound extracted from malted barley that has melanin-inhibiting activity. Hordenine sulfate significantly reduced melanin content and reduced intracellular cAMP levels. Hordenine sulfate inhibits the expression of proteins related to melanogenesis, including microblind transcription factor (MITF), tyrosinase, tyrosinase-related protein (TRP)-1, and TRP-2. Therefore, Hordenine sulfate can be used as an active ingredient to inhibit pigmentation .

HY-N3773

Dodoviscin A	Flavonoids Flavones Dodonaea viscosa (L.) Jacq. Sapindaceae Plants Source Classification	Tyrosinase
Dodoviscin A is a pigmentation-altering agent, which can be isolated from the aerial parts of Dodonaea viscosa. Dodoviscin A inhibits melanin production in B16-F10 melanoma cells. Dodoviscin A suppresses mushroom tyrosinase activity, and tyrosinase activity induced by 3-isobutyl-1-methylxanthine. Dodoviscin A also inhibits the phorphosylation of cAMP response element binding protein, induced by 3-isobutyl-1-methylxanthine and forskolin .

HY-N10337

Norjuziphine (-)-Norjuziphine	Alkaloids Nelumbo nucifera Gaertn. Quinoline Alkaloids Plants Nymphaeaceae Source Classification	Drug Derivative
Norjuziphine ((-)-Norjuziphine) is an alkaloid found in the lotus flower (Nelumbo nucifera). Norjuziphine inhibits the melanogenesis of murine B16 melanoma 4A5 cells stimulated by Theophylline (HY-B0809) (IC₅₀=14.4 μM). Norjuziphine is promising for research of skin whitening and related skin pigmentation diseases .

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Pigmentation Inhibitor

Inhibitors & Agonists

Biochemical Assay Reagents

Peptides

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