Vitamin 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.

L-Ascorbic acid (Standard) is the analytical standard of L-Ascorbic acid. This product is intended for research and analytical applications. L-Ascorbic acid (L-Ascorbate), an electron donor, is an endogenous antioxidant agent. L-Ascorbic acid inhibits selectively Ca_v3.2 channels with an IC₅₀ of 6.5 μM. L-Ascorbic acid is also a collagen deposition enhancer and an elastogenesis inhibitor. L-Ascorbic acid exhibits anti-cancer effects through the generation of reactive oxygen species (ROS) and selective damage to cancer cells.

Rutin (Standard) is the analytical standard of Rutin. This product is intended for research and analytical applications. Rutin (Rutoside) is a flavonoid found in many plants and shows a wide range of biological activities including anti-inflammatory, antidiabetic, antioxidant, neuroprotective, nephroprotective, hepatoprotective and reducing Aβ oligomer activities. Rutin is also a CBR1 inhibitor, which can cross the blood brain barrier. Rutin attenuates vancomycin-induced renal tubular cell apoptosis via suppression of apoptosis, mitochondrial dysfunction, and oxidative stress.

NADH (disodium salt) (Standard) is the analytical standard of NADH (disodium salt). This product is intended for research and analytical applications. NADH disodium salt (Disodium NADH) is an orally active reduced coenzyme. NADH disodium salt is a donor of ADP-ribose units in ADP-ribosylaton reactions and a precursor of cyclic ADP-ribose. NADH disodium salt plays a role as a regenerative electron donor in cellular energy metabolism, including glycolysis, β-oxidation and the tricarboxylic acid (TCA) cycle.

Folic acid (Standard) is the analytical standard of Folic acid. This product is intended for research and analytical applications. Folic acid (Vitamin B9) is a orally active essential nutrient from the B complex group of vitamins. Folic acid shows antidepressant-like effect. Folic acid sodium reduces the risk of neonatal neural tube defects. Folic acid can be used to the research of megaloblastic and macrocytic anemias due to folic deficiency.

Biotin (Standard) is the analytical standard of Biotin. Biotin, vitamin B7 and serves as a coenzyme for five carboxylases in humans, involved in the synthesis of fatty acids, isoleucine, and valine, and in gluconeogenesis. Biotin is necessary for cell growth, the production of fatty acids, and the metabolism of fats and amino acids.

Vitamin B12 (Standard) is the analytical standard of Vitamin B12. This product is intended for research and analytical applications. Vitamin B12 is a vitamin. Vitamin B12 plays a key role in the normal functioning of the brain and nervous system, and for the formation of blood.

Riboflavin (Standard) is the analytical standard of Riboflavin. This product is intended for research and analytical applications. Riboflavin, an orally active and easily absorbed micronutrient, is a precursor of flavin mononucleotide (FMN) and flavin adenine dinucleotide (FAD), which serve as coenzymes for numerous enzymatic reactions and perform key metabolic functions by mediating the transfer of electrons in biological oxidation-reduction reaction.

Ergosterol (Standard) is the analytical standard of Ergosterol. This product is intended for research and analytical applications. Ergosterol is the primary sterol found in fungi, with antioxidative, anti-proliferative, and anti-inflammatory effects.

i-Inositol (Standard) is the analytical standard of i-Inositol. This product is intended for research and analytical applications. i-Inositol (myo-Inositol) is a compound of sugar alcohols. i-Inositol is involved in a series of biological processes such as insulin signal transduction and cytoskeletal transduction. i-Inositol mainly exists in glial cells and plays an osmotic role.

Methylcobalamin (Standard) is the analytical standard of Methylcobalamin. This product is intended for research and analytical applications. Methylcobalamin (CH3-B12), a cobalamin, is a form of vitamin B12.

Nicotinamide riboside (chloride) (Standard) is the analytical standard of Nicotinamide riboside (chloride). This product is intended for research and analytical applications. Nicotinamide riboside Chloride, an orally active NAD+ precursor, increases NAD+ levels and activates SIRT1 and SIRT3. Nicotinamide riboside Chloride is a source of vitamin B3 (niacin) and enhances oxidative metabolism, protection against high fat diet-induced metabolic abnormalities[1]. Nicotinamide riboside Chloride reduces cognitive deterioration in a transgenic mouse model of Alzheimer’s disease[2].

Niacin (Standard) is the analytical standard of Niacin. This product is intended for research and analytical applications. Niacin (Vitamin B3) is an orally active water-soluble B3 vitamin that is an essential nutrient for humans. Niacin (Vitamin B3) plays a key role in energy metabolism, cell signaling cascades regulating gene expression and apoptosis. Niacin (Vitamin B3) is also used in the study of cardiovascular diseases.

Fosribnicotinamide (Standard) (β-Nicotinamide mononucleotide (Standard)) is the analytical standard of Fosribnicotinamide (HY-F0004 ). This product is intended for research and analytical applications. Fosribnicotinamide is a product of the nicotinamide phosphoribosyltransferase (NAMPT) reaction and a key NAD⁺ intermediate. The pharmacological activities of Fosribnicotinamide include its role in cellular biochemical functions, cardioprotection, diabetes, Alzheimer's disease, and complications associated with obesity.

DL-alpha-Tocopherol (Standard) is the analytical standard of DL-alpha-Tocopherol. This product is intended for research and analytical applications. DL-alpha-Tocopherol is a synthetic vitamin E, with antioxidation effect. DL-alpha-Tocopherol protects human skin fibroblasts against the cytotoxic effect of UVB.

Alisol C 23-acetate (Standard) is the analytical standard of Alisol C 23-acetate. This product is intended for research and analytical applications. Alisol C 23-acetate is a natural product extracted from Alisma orientale, which can significantly reduce delayed-type hypersensitivity reactions.

Pyridoxal phosphate (Standard) is the analytical standard of Pyridoxal phosphate. This product is intended for research and analytical applications. Pyridoxal phosphate is the active form of vitamin B6, acts as an inhibitor of reverse transcriptases, and is used for the treatment of tardive dyskinesia.

Choline (chloride) (Standard) is the analytical standard of Choline (chloride). This product is intended for research and analytical applications. Choline chloride is an essential nutrient that activates alpha7 nicotinic receptors and has analgesic and anti-inflammatory activity. Glycerophosphoinositol choline can affect diseases such as liver disease, atherosclerosis and neurological disorders.

7-Dehydrocholesterol (Standard) is the analytical standard of 7-Dehydrocholesterol. This product is intended for research and analytical applications.7-Dehydrocholesterol is biosynthetic precursor of cholesterol and vitamin D3.

Methylmalonic acid (Standard) is the analytical standard of Methylmalonic acid. This product is intended for research and analytical applications. Methylmalonic acid (Methylmalonate) is an indicator of Vitamin B-12 deficiency in cancer.