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photoprotective

" in MedChemExpress (MCE) Product Catalog:

By Targets:	Apoptosis (5) Bacterial (1) Biochemical Assay Reagents (3) Caspase (1) Collagen (1) COX (2) DNA/RNA Synthesis (2) Drug Derivative (1) Endogenous Metabolite (2) Fluorescent Dye (2) Keap1-Nrf2 (1) Lipoxygenase (1) MMP (1) NF-κB (1) PPAR (1) Prostaglandin Receptor (2) Reactive Oxygen Species (ROS) (6) Reference Standards (3) Tyrosinase (1)
By Research Areas:	Cancer (2) Cardiovascular Disease (2) Infection (1) Inflammation/Immunology (7) Metabolic Disease (3)

Inhibitors & Agonists

Fluorescent Dyes

Biochemical Assay Reagents

Natural
Products

Cat. No.	Product Name	Target	Research Areas	Chemical Structure

HY-126956

Porphyra 334	Reactive Oxygen Species (ROS) MMP Collagen PPAR DNA/RNA Synthesis Apoptosis Caspase	Metabolic Disease Inflammation/Immunology
Porphyra 334 is a carnosine-like amino acid and a natural photoprotective agent and antioxidant. Porphyra-334 exerts its photoprotective effects by scavenging ROS, inhibiting the expression and activity of MMP-1/8, and promoting the synthesis of collagen and elastin. Porphyra 334 effectively inhibits linoleic acid oxidation induced by alkyl radicals (AAPH) and singlet oxygen. Porphyra 334 has anti-obesity potential by inhibiting the expression of PPARγ2 and C/EBPα. Porphyra 334 protects cells against UV-induced DNA damage and apoptosis by inhibiting the activation of caspase-3 .

HY-127170

3-Hydroxycoumarin	Lipoxygenase Tyrosinase	Metabolic Disease Inflammation/Immunology
3-Hydroxycoumarin is an inhibitor of tyrosinase and lipoxygenase with an IC₅₀ for recombinant human tyrosinase (rHT) of 26 μM, and a K_i of 3.39 μM; its IC₅₀ for LOX is 9.5 μM. 3-Hydroxycoumarin has DPPH free radical scavenging activity (IC₅₀ = 31.2 μM). 3-Hydroxycoumarin has photoprotective effects on sea urchin zygotes and embryos .

HY-100009

Ufenamate Flufenamic acid butyl ester; Butyl flufenamate	COX Prostaglandin Receptor	Inflammation/Immunology
Ufenamate (Flufenamic acid butyl ester) is an anthranilic acid-based anti-inflammatory drug that can be used in the study of skin diseases such as acute and chronic eczema, contact dermatitis, diaper dermatitis, miliary rashes and atopic dermatitis. Ufenamate has a certain photoprotective effect, reduces the degree of skin erythema and swelling in the photoaging model, downregulates the expression level of COX-2 and can promote the healing of mouse skull defects by secreting BMP2 .

HY-B0897

Bisoctrizole 1 Publications Verification	Biochemical Assay Reagents	Others
Bisoctrizole is a broad-spectrum UVA/UVB absorber that belongs to the benzotriazole class of compounds. Bisoctrizole absorbs UV light through hydroxyphenyl groups, causing reversible electronic transitions, thereby converting light energy into heat energy, inhibiting UV-induced material or skin damage. Bisoctrizole is highly efficient in capturing UVA (320-400 nm) and some UVB (280-320 nm) radiation. Bisoctrizole delays the photodegradation of materials such as silicones, improving their UV aging resistance or enhancing the photoprotective ability of sunscreen products .

HY-W127530

α-Tocopherol phosphate disodium 5+ Cited Publications alpha-Tocopherol phosphate disodium; TocP disodium; Vitamin E phosphate disodium	Apoptosis Reactive Oxygen Species (ROS)	Cardiovascular Disease Cancer
α-Tocopherol phosphate disodium is an antioxidant that protects against long-wave UVA1 induced cell death and scavenge UVA1 induced ROS in a skin cell model. α-Tocopherol phosphate disodium exhibits angiogenesis-promoting activity .

HY-N0181A

Lumisterol 9β,10α-Ergosterol	Endogenous Metabolite	Metabolic Disease
Lumisterol (9β,10α-Ergosterol), a steroid compound, is the (9β,10α)-stereoisomer of Ergosterol (HY-N0181). Lumisterol is a photoprotective agent against UVB-induced DNA damage and anti-proliferative activities .

HY-U00265

3-CPs 3-Carbethoxypsoralen; 3-Ethoxycarbonylpsoralen	Bacterial	Infection
3-CPs is a monofunctional furanocoumarin and a photoprotective agent targeting Staphylococcus aureus DNA, possessesing anti-UVB lethal activity. 3-CPs competitively intercalates into DNA, forming exclusively 4',5'-furan-side mono-adducts upon UVB irradiation, and irreversibly inhibits the formation of cyclobutane pyrimidine dimers. 3-CPs prevents UVB-induced DNA damage by preferentially binding to strong (AT)_n sites within the DNA, without inducing lethal interstrand DNA cross-links; the limited number of mono-adducts it induces can be efficiently repaired by bacteria. 3-CPs holds potential for use in the development of photoprotective formulations for skin diseases, as well as in studies investigating bacterial DNA photodamage repair mechanisms and the optimization of photochemotherapy safety .

HY-D1290

Antheraxanthin	Fluorescent Dye	Others
Antheraxanthin, carotenoid, is a photoprotective pigment found in a chromophyte alga .

HY-N15683

3-Hydroxyechinenone	Biochemical Assay Reagents	Others
3-Hydroxyechinenone is a chromophore of the orange carotenoid protein (OCP). 3-Hydroxyechinenone is involved in the photoprotective mechanism of the photosynthetic apparatus of cyanobacteria .

HY-170579

Antioxidant agent-20	Reactive Oxygen Species (ROS) Apoptosis NF-κB Keap1-Nrf2	Inflammation/Immunology
Antioxidant agent-20 (Compound 3d) has potent anti-inflammatory and antioxidant activity. Antioxidant agent-20 reduces reactive oxygen species (ROS) and apoptosis in a dose-dependent manner. Antioxidant agent-20 exhibits photoprotective effect against UVB-irradiated human skin keratinocytes (HaCaT) (IC₅₀=5.13 µM) via activation of Nrf2/HO-1 signaling and inhibition of NF-κB pathway .

HY-D1500

Fluorescent NIR 885	Fluorescent Dye	Others
Fluorescent NIR 885 is a cyanine near-infrared-absorbing dye. Fluorescent NIR 885 can be used as a photoprotective agent (extracted from patent WO2014006589 compound 1-35) .

HY-W127530R

α-Tocopherol phosphate disodium (Standard) alpha-Tocopherol phosphate disodium (Standard); TocP disodium (Standard); Vitamin E phosphate disodium (Standard)	Reference Standards Apoptosis Reactive Oxygen Species (ROS)	Cardiovascular Disease Cancer
α-Tocopherol phosphate (Standard) (alpha-Tocopherol phosphate (Standard)) disodium is the analytical standard of α-Tocopherol phosphate disodium (HY-W127530). This product is intended for research and analytical applications. α-Tocopherol phosphate disodium is an antioxidant that protects against long-wave UVA1 induced cell death and scavenge UVA1 induced ROS in a skin cell model. α-Tocopherol phosphate disodium exhibits angiogenesis-promoting activity .

HY-B0897R

Bisoctrizole (Standard)	Reference Standards Biochemical Assay Reagents	Others
Bisoctrizole (Standard) is the analytical standard of Bisoctrizole (HY-B0897). This product is intended for research and analytical applications. Bisoctrizole is a broad-spectrum UVA/UVB absorber that belongs to the benzotriazole class of compounds. Bisoctrizole absorbs UV light through hydroxyphenyl groups, causing reversible electronic transitions, thereby converting light energy into heat energy, inhibiting UV-induced material or skin damage. Bisoctrizole is highly efficient in capturing UVA (320-400 nm) and some UVB (280-320 nm) radiation. Bisoctrizole delays the photodegradation of materials such as silicones, improving their UV aging resistance or enhancing the photoprotective ability of sunscreen products .

HY-N7660

Mutatoxanthin	Endogenous Metabolite	Others
Mutatoxanthin is a xanthophyll carotenoid. Mutatoxanthin forms a photoprotective barrier for chloroplasts in the thalli of Xanthoria lichens by shielding chloroplasts from excessive light irradiation, while also contributing to the golden to brownish-orange coloration of the thalli. Mutatoxanthin can serve as a taxonomic characteristic for lichen species .

HY-122301

Sarcinaxanthin	Drug Derivative	Inflammation/Immunology
Sarcinaxanthin is a carotenoid present in various bacteria with antioxidant activity. Sarcinaxanthin scavenges singlet oxygen, thereby inhibiting oxidative degradation in the β-carotene/linoleic acid system. Sarcinaxanthin acts as a photoprotective agent against UVB radiation that induces erythema. Sarcinaxanthin can be applied in studies related to antioxidation and radiation resistance .

HY-118720A

Ovothiol A TFA U-23 TFA	Reactive Oxygen Species (ROS)	Others
Ovothiol A TFA (U-23 TFA) is an antioxidant. Ovothiol A TFA can be isolated from the tissues of marine invertebrates, algae and fish. Ovothiol A acts synergistically with glutathione to actively scavenge ROS and free radicals, and quench the triplet state of Kynurenic acid (HY-100806), thereby inhibiting oxidative stress and photodamage. OSH is expected to serve as an excellent photoprotective agent to inhibit the harmful effects caused by solar ultraviolet radiation .

HY-N18470

Gadusol	DNA/RNA Synthesis Apoptosis Reactive Oxygen Species (ROS)	Inflammation/Immunology
Gadusol is a potent, maternally supplied natural sunscreen. Gadusol is synthesized by the mother during oogenesis and stored in eggs, representing the primary sunscreen mechanism during the early developmental stages of fish. Gadusol directly prevents UVB-induced DNA damage and reduces the generation of ROS thereby avoiding cellular stress and apoptosis. Gadusol does not exert antioxidant functions in zebrafish embryos. Gadusol can be used in studies related to topical photoprotective cosmetics .

HY-100009R

Ufenamate (Standard) Flufenamic acid butyl ester (Standard); Butyl flufenamate (Standard)	Reference Standards COX Prostaglandin Receptor	Inflammation/Immunology
Ufenamate (Standard) is the analytical standard of Ufenamate (HY-100009). This product is intended for research and analytical applications. Ufenamate (Flufenamic acid butyl ester) is an anthranilic acid-based anti-inflammatory drug that can be used in the study of skin diseases such as acute and chronic eczema, contact dermatitis, diaper dermatitis, miliary rashes and atopic dermatitis. Ufenamate has a certain photoprotective effect, reduces the degree of skin erythema and swelling in the photoaging model, downregulates the expression level of COX-2 and can promote the healing of mouse skull defects by secreting BMP2 .

Fluorescent NIR 885	Fluorescent Dyes
Fluorescent NIR 885 is a cyanine near-infrared-absorbing dye. Fluorescent NIR 885 can be used as a photoprotective agent (extracted from patent WO2014006589 compound 1-35) .

Cat. No.	Product Name	Type

HY-W127530

α-Tocopherol phosphate disodium 5+ Cited Publications alpha-Tocopherol phosphate disodium; TocP disodium; Vitamin E phosphate disodium	Biochemical Assay Reagents
α-Tocopherol phosphate disodium is an antioxidant that protects against long-wave UVA1 induced cell death and scavenge UVA1 induced ROS in a skin cell model. α-Tocopherol phosphate disodium exhibits angiogenesis-promoting activity .

HY-W127530R

α-Tocopherol phosphate disodium (Standard) alpha-Tocopherol phosphate disodium (Standard); TocP disodium (Standard); Vitamin E phosphate disodium (Standard)	Biochemical Assay Reagents
α-Tocopherol phosphate (Standard) (alpha-Tocopherol phosphate (Standard)) disodium is the analytical standard of α-Tocopherol phosphate disodium (HY-W127530). This product is intended for research and analytical applications. α-Tocopherol phosphate disodium is an antioxidant that protects against long-wave UVA1 induced cell death and scavenge UVA1 induced ROS in a skin cell model. α-Tocopherol phosphate disodium exhibits angiogenesis-promoting activity .

α-Tocopherol phosphate disodium (Standard)

alpha-Tocopherol phosphate disodium (Standard); TocP disodium (Standard); Vitamin E phosphate disodium (Standard)

Biochemical Assay Reagents

α-Tocopherol phosphate (Standard) (alpha-Tocopherol phosphate (Standard)) disodium is the analytical standard of α-Tocopherol phosphate disodium (HY-W127530). This product is intended for research and analytical applications. α-Tocopherol phosphate disodium is an antioxidant that protects against long-wave UVA1 induced cell death and scavenge UVA1 induced ROS in a skin cell model. α-Tocopherol phosphate disodium exhibits angiogenesis-promoting activity .

Porphyra 334	Structural Classification Animals Classification of Application Fields Sunscreen Ketones, Aldehydes, Acids Metabolic Disease Amino acids Cosmetic Research Disease Research Fields Source Classification	Reactive Oxygen Species (ROS) MMP Collagen PPAR DNA/RNA Synthesis Apoptosis Caspase
Porphyra 334 is a carnosine-like amino acid and a natural photoprotective agent and antioxidant. Porphyra-334 exerts its photoprotective effects by scavenging ROS, inhibiting the expression and activity of MMP-1/8, and promoting the synthesis of collagen and elastin. Porphyra 334 effectively inhibits linoleic acid oxidation induced by alkyl radicals (AAPH) and singlet oxygen. Porphyra 334 has anti-obesity potential by inhibiting the expression of PPARγ2 and C/EBPα. Porphyra 334 protects cells against UV-induced DNA damage and apoptosis by inhibiting the activation of caspase-3 .

3-Hydroxycoumarin	Structural Classification other families Classification of Application Fields Other Diseases Coumarins Phenylpropanoids Plants Disease Research Fields Source Classification	Lipoxygenase Tyrosinase
3-Hydroxycoumarin is an inhibitor of tyrosinase and lipoxygenase with an IC₅₀ for recombinant human tyrosinase (rHT) of 26 μM, and a K_i of 3.39 μM; its IC₅₀ for LOX is 9.5 μM. 3-Hydroxycoumarin has DPPH free radical scavenging activity (IC₅₀ = 31.2 μM). 3-Hydroxycoumarin has photoprotective effects on sea urchin zygotes and embryos .

Lumisterol 9β,10α-Ergosterol	Classification of Application Fields Metabolic Disease Endogenous metabolite Disease Research Fields Steroids Source Classification	Endogenous Metabolite
Lumisterol (9β,10α-Ergosterol), a steroid compound, is the (9β,10α)-stereoisomer of Ergosterol (HY-N0181). Lumisterol is a photoprotective agent against UVB-induced DNA damage and anti-proliferative activities .

Antheraxanthin	Natural Products Microorganisms Source Classification	Fluorescent Dye
Antheraxanthin, carotenoid, is a photoprotective pigment found in a chromophyte alga .

3-Hydroxyechinenone	Natural Products Microorganisms Source Classification	Biochemical Assay Reagents
3-Hydroxyechinenone is a chromophore of the orange carotenoid protein (OCP). 3-Hydroxyechinenone is involved in the photoprotective mechanism of the photosynthetic apparatus of cyanobacteria .

Mutatoxanthin	Structural Classification Natural Products Microorganisms Source Classification	Endogenous Metabolite
Mutatoxanthin is a xanthophyll carotenoid. Mutatoxanthin forms a photoprotective barrier for chloroplasts in the thalli of Xanthoria lichens by shielding chloroplasts from excessive light irradiation, while also contributing to the golden to brownish-orange coloration of the thalli. Mutatoxanthin can serve as a taxonomic characteristic for lichen species .

Sarcinaxanthin	Structural Classification Natural Products Microorganisms Source Classification	Drug Derivative
Sarcinaxanthin is a carotenoid present in various bacteria with antioxidant activity. Sarcinaxanthin scavenges singlet oxygen, thereby inhibiting oxidative degradation in the β-carotene/linoleic acid system. Sarcinaxanthin acts as a photoprotective agent against UVB radiation that induces erythema. Sarcinaxanthin can be applied in studies related to antioxidation and radiation resistance .

Gadusol	Structural Classification Natural Products Animals Source Classification	DNA/RNA Synthesis Apoptosis Reactive Oxygen Species (ROS)
Gadusol is a potent, maternally supplied natural sunscreen. Gadusol is synthesized by the mother during oogenesis and stored in eggs, representing the primary sunscreen mechanism during the early developmental stages of fish. Gadusol directly prevents UVB-induced DNA damage and reduces the generation of ROS thereby avoiding cellular stress and apoptosis. Gadusol does not exert antioxidant functions in zebrafish embryos. Gadusol can be used in studies related to topical photoprotective cosmetics .

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photoprotective

Inhibitors & Agonists

Fluorescent Dyes

Biochemical Assay Reagents

NaturalProducts

Natural
Products