Banned Ingredients in Cosmetic Standards

Retinoic acid (Standard) is the analytical standard of Retinoic acid. This product is intended for research and analytical applications. Retinoic acid is a metabolite of vitamin A that plays important roles in cell growth, differentiation, and organogenesis. Retinoic acid is a natural agonist of RAR nuclear receptors, with IC₅₀s of 14 nM for RARα/β/γ. Retinoic acid bind to PPARβ/δ with K_d of 17 nM. Retinoic acid acts as an inhibitor of transcription factor Nrf2 through activation of retinoic acid receptor alpha.

Disulfiram (Standard) is the analytical standard of Disulfiram. This product is intended for research and analytical applications. Disulfiram (Tetraethylthiuram disulfide) is a specific inhibitor of aldehyde-dehydrogenase (ALDH1), used for the treatment of chronic alcoholism by producing an acute sensitivity to alcohol. Disulfiram inhibits gasdermin D (GSDMD) pore formation in liposomes and inflammasome-mediated pyroptosis and IL-1β secretion in human and mouse cells. Disulfiram + Cu²⁺ increases intracellular ROS levels triggering apoptosis of ovarian cancer stem cells^[1-6].

Lidocaine (Standard) is the analytical standard of Lidocaine. This product is intended for research and analytical applications. Lidocaine (Lignocaine) inhibits sodium channels involving complex voltage and using dependence. Lidocaine decreases growth, migration and invasion of gastric carcinoma cells via up-regulating miR-145 expression and further inactivation of MEK/ERK and NF-κB signaling pathways. Lidocaine is an amide derivative and has potential for the research of ventricular arrhythmia.

5-Fluorouracil (Standard) is the analytical standard of 5-Fluorouracil. This product is intended for research and analytical applications. 5-Fluorouracil (5-FU) is an analogue of uracil and a potent antitumor agent. 5-Fluorouracil affects pyrimidine synthesis by inhibiting thymidylate synthetase thus depleting intracellular dTTP pools. 5-Fluorouracil induces apoptosis and can be used as a chemical sensitizer. 5-Fluorouracil also inhibits HIV.

Probenecid (Standard) is the analytical standard of Probenecid. This product is intended for research and analytical applications. Probenecid is a potent and selective agonist of transient receptor potential vanilloid 2 (TRPV2) channels. Probenecid also inhibits pannexin 1 channels.

Bisphenol A (Standard) is the analytical standard of Bisphenol A. This product is intended for research and analytical applications. Bisphenol A is a phenolic, organic synthetic compound widely used in the production of polycarbonate plastics and epoxy resins. Bisphenol A is a reproductive, developmental, and systemic toxicant, often classified as an endocrine-disrupting compound (EDC). Bisphenol A is associated with many diseases, including cardiovascular diseases, respiratory diseases, diabetes, kidney diseases, obesity, and reproductivedisorders.

Spironolactone (Standard) is the analytical standard of Spironolactone. This product is intended for research and analytical applications. Spironolactone (SC9420) is an orally active aldosterone mineralocorticoid receptor antagonist with an IC₅₀ of 24 nM. Spironolactone is also a potent antagonist of androgen receptor with an IC₅₀ of 77 nM. Spironolactone promotes autophagy in podocytes.

Phenacetin (Standard) is the analytical standard of Phenacetin. This product is intended for research and analytical applications. Phenacetin (Acetophenetidin) is a non-opioid analgesic/antipyretic agent. Phenacetin is a selective COX-3 inhibitor. Phenacetin is used as probe of cytochrome P450 enzymes CYP1A2 in human liver microsomes and in rats.

Tolbutamide (Standard) is the analytical standard of Tolbutamide. This product is intended for research and analytical applications. Tolbutamide is an orally active K_ATP inhibitor. Tolbutamide inhibits cell proliferation, stimulates exocytosis of glucagon and reduces fetal lethality of mice. Tolbutamide can be used in the research of diabete.

Dimethyl sulfoxide (Standard) is the analytical standard of Dimethyl sulfoxide. This product is intended for research and analytical applications. Dimethyl sulfoxide (DMSO) is an aprotic solvent that dissolves both polar and nonpolar compounds. Dimethyl sulfoxide has anti-freezing and bacteriostatic properties.

Colchicine (Standard) is the analytical standard of Colchicine. This product is intended for research and analytical applications. Colchicine, an orally active alkaloid, is a potent tubulin inhibitor and a microtubule disrupting agent. Colchicine inhibits microtubule polymerization with an IC50 of 3 nM. Colchicine is also a competitive antagonist of the α3 glycine receptors (GlyRs). Colchicine prevents non-steroidal anti-inflammatory drug (NSAID)-induced small intestinal injury by inhibiting activation of the NLRP3 inflammasome. Colchicine has extensive anti-inflammatory, immunosuppressive and strong anti-fibrosis effects and has the potential for gouty arthritis research.

Choline chloride (Standard) is the analytical standard of Choline chloride (HY-B1337). This product is intended for research and analytical applications. Choline chloride is an orally active methylxanthine derivative. Choline chloride exhibits weak antihistaminic and anticholinergic activities and potentiates the effects of histamine and acetylcholine. Choline chloride relaxes bronchial smooth muscle, dilates coronary and peripheral blood vessels, increases urine output and electrolyte excretion, stimulates locomotor activity in the central nervous system, and induces transient hypotension following a pressor phase. Choline chloride modulates sleep architecture by increasing wakefulness time and reducing slow-wave sleep, without altering the frequency or severity of nocturnal hypoxemia, apnea, or hypopnea events. Choline chloride is used in studies of bronchospasm, nocturnal asthma, and chronic asthma.

Thalidomide (Standard) is the analytical standard of Thalidomide. This product is intended for research and analytical applications. Thalidomide inhibits cereblon (CRBN), a part of the cullin-4 E3 ubiquitin ligase complex CUL4-RBX1-DDB1, with a K_d of ∼250 nM, and has immunomodulatory, anti-inflammatory and anti-angiogenic cancer properties. Thalidomide can work as molecular glue to potentiate substrate.

Methotrexate (Standard) (Amethopterin (Standard); CL14377 (Standard); WR19039 (Standard)) is the analytical standard of Methotrexate (HY-14519). This product is intended for research and analytical applications. Methotrexate (Amethopterin; CL14377; WR19039) is an orally active antifolate (Antifolate). Methotrexate inhibits dihydrofolate reductase (DHFR), blocks tetrahydrofolate production, suppresses purine/pyrimidine synthesis and transmethylation, and causes intracellular accumulation of AICAR. Methotrexate promotes extracellular adenosine release, regulates the cytokine network, and inhibits the alarmin function of HMGB1. Methotrexate induces apoptosis and cytotoxicity, upregulates the expression of iNOS and COX-2, suppresses hippocampal neurogenesis, and induces pulmonary fibrosis. Methotrexate is used in the research of various immune and inflammation-related diseases such as arthritis, psoriasis, systemic lupus erythematosus, as well as pulmonary fibrosis and breast cancer.

Isoniazid (Standard) is the analytical standard of Isoniazid. This product is intended for research and analytical applications. Isoniazid (INH) is a proagent and must be activated by a bacterial catalase-peroxidase enzyme KatG. Isoniazid is bactericidal to rapidly dividing mycobacteria and has anti-tuberculostatic activity.

Carbendazim (Standard) is the analytical standard of Carbendazim. This product is intended for research and analytical applications. Carbendazim is a potent and orally active broad-spectrum benzimidazole fungicide and can be acts as a pesticide for fungal diseases research, such as Seproria, Fusarium and Sclerotina. Carbendazim is a benzimidazole (HY-Y1825) derivative with antitumor activity and used for cancer research, especially advanced solid tumors and lymphoma.

Chlorzoxazone (Standard) is the analytical standard of Chlorzoxazone. This product is intended for research and analytical applications.

Pyrogallol (Standard) is the analytical standard of Pyrogallol. This product is intended for research and analytical applications. Pyrogallol is a polyphenol compound, which has anti-fungal and anti-psoriatic properties. Pyrogallol is a reductant that is able to generate free radicals, in particular superoxide anions.

Benzo[a]pyrene (Standard) is the analytical standard of Benzo[a]pyrene. This product is intended for research and analytical applications. Benzo[a]pyrene shows lung carcinogenicity in animal models, and it is frequently used in chemoprevention studies.

DEHP (Standard) is the analytical standard of DEHP. This product is intended for research and analytical applications. DEHP (Bis(2-ethylhexyl) phthalate) is a widely used plasticizer, which has orally active. DEHP can produce a wide spectrum of toxic effects on organisms including neurotoxicity, liver toxicity, immunotoxicity, and reproductive toxicity.