Vitamin Standards

Folinic acid (Standard) is the analytical standard of Folinic acid. This product is intended for research and analytical applications. Folinic acid (Leucovorin) is a biological folic acid and is generally administered along with Methotrexate (HY-14519) as a rescue agent to decrease MTX-induced toxicity.

Butamirate (citrate) (Standard) is the analytical standard of Butamirate (citrate). This product is intended for research and analytical applications. Butamirate citrate is an orally active cough suppressant that acts centrally through the receptors in the brainstem. Butamirate citrate also reduces the resistance in the airways by inhibiting bronchospasm and anti-inflammatory effect.

4-Pyridoxic acid (Standard) is the analytical standard of 4-Pyridoxic acid. This product is intended for research and analytical applications. 4-Pyridoxic acid is a catabolic product of vitamin B6 which is excreted in the urine.

Hesperidin (Standard) is the analytical standard of Hesperidin. This product is intended for research and analytical applications. Hesperidin (Hesperetin 7-rutinoside), a flavanone glycoside, is isolated from citrus fruits. Hesperidin has numerous biological properties, such as decreasing inflammatory mediators and exerting significant antioxidant effects. Hesperidin also exhibits antitumor and antiallergic activities.

Riboflavin Tetrabutyrate (Standard) is the analytical standard of Riboflavin Tetrabutyrate. This product is intended for research and analytical applications. Riboflavin Tetrabutyrate is a lipophilic flavin derivative with antioxidative and lipid peroxide-removing activity.

Retinyl acetate (Standard) is the analytical standard of Retinyl acetate. This product is intended for research and analytical applications. Retinyl acetate is a synthetic acetate ester form derived from retinol and has potential antineoplastic and chemo preventive activities.

Menaquinone-7 (Standard) is the analytical standard of Menaquinone-7. This product is intended for research and analytical applications. Menaquinone-7 (Vitamin K2-7), belongs to a class of K2-vitamin homologs (orally active), is originally discovered as the anti-hemorrhagic factors. Menaquinone-7 inhibits osteoclast bone resorption in vitro and stimulates bone formation in femoral tissue of aged female rats. Menaquinone-7 has a well-researched potential in the prevention of aging-induced bone degeneration. Menaquinone-7 is also a pharmacological option for activating Gla matrix protein and intervening in the progression of calcific aortic stenosis (CAVS).

Choline bitartrate (Standard) is the analytical standard of Choline bitartrate (HY-101036). This product is intended for research and analytical applications. Choline bitartrate is an orally active methylxanthine-derived choline salt of theophylline. Choline bitartrate exhibits weak antihistaminic and anticholinergic activities and can enhance the effects of histamine and acetylcholine. Choline bitartrate relaxes bronchial smooth muscle, dilates coronary and peripheral blood vessels, increases urine output and electrolyte excretion, stimulates central nervous system motor activity, and induces transient hypotension following a pressor phase. Choline bitartrate 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 bitartrate is used in studies of bronchospasm, nocturnal asthma, and chronic asthma.

Acetyl-L-carnitine hydrochloride (Standard) is the analytical standard of Acetyl-L-carnitine hydrochloride. This product is intended for research and analytical applications. Acetyl-L-carnitine (O-Acetyl-L-carnitine; ALCAR) hydrochloride is an orally active mitochondrial energy metabolism regulator and neuroprotectant that can penetrate the blood-brain barrier. Acetyl-L-carnitine hydrochloride selectively enters cells and the brain through the organic cation transporter OCTN2. Acetyl-L-carnitine hydrochloride can participate in fatty acid β-oxidation, promote acetylcholine synthesis, regulate mitochondrial function and inhibit oxidative stress as an acetyl donor. Acetyl-L-carnitine hydrochloride exerts its activity by enhancing energy metabolism, protecting neurons and improving synaptic plasticity. Acetyl-L-carnitine hydrochloride is mainly used in the study of neurodegenerative diseases and metabolic disorder-related diseases such as neonatal hypoxic-ischemic brain damage, Alzheimer's disease, and depression.

Levomefolate calcium (Standard) is the analytical standard of Levomefolate calcium. This product is intended for research and analytical applications. Levomefolate calcium is a synthetic calcium salt of L-5-methyltetrahydrofolate and an orally active and brain-penetrant folate supplement. Levomefolate calcium incorporates into body folate pools to increase plasma and red blood cell folate levels over time. Levomefolate calcium does not significantly increase folate concentrations in breast milk. Levomefolate calcium can be used for the research of neural tube defects and megaloblastic anemia.

γ-Tocopherol (Standard) is the analytical standard of γ-Tocopherol. This product is intended for research and analytical applications. γ-Tocopherol (D-γ-Tocopherol) is a potent cyclooxygenase (COX) inhibitor. γ-Tocopherol is a naturally occurring form of Vitamin E in many plant seeds, such as corn oil and soybeans. γ-Tocopherol possesses antiinflammatory properties and anti-cancer activity.

Methyl nicotinate (Standard) is the analytical standard of Methyl nicotinate. This product is intended for research and analytical applications. Methyl nicotinate (Nicotinic acid methyl ester) is an orally active vasodilator. Methyl nicotinate has analgesic activity. Methyl nicotinate causes local skin erythema when applied topically to the skin. Methyl nicotinate is used as an active ingredient in over-the-counter topical preparations for the study of muscle and joint pain.

Nicotinuric acid (Standard) is the analytical standard of Nicotinuric acid (HY-113353). This product is intended for research and analytical applications. Nicotinuric acid is an acylglycine and the major catabolite of nicotinic acid (HY-B0143). Its urinary levels correlate with body mass index, blood pressure, blood lipid parameters, and high-sensitivity C-reactive protein. Nicotinuric acid participates in coenzyme-related activities including glycolysis, gluconeogenesis, the citric acid cycle, oxidation, and long-chain fatty acid synthesis in various tissues. Nicotinuric acid is associated with the progression of metabolic syndrome to diabetes and atherosclerotic cardiovascular disease^[1]

Ascorbyl palmitate (Standard) is the analytical standard of Ascorbyl palmitate. This product is intended for research and analytical applications. Ascorbyl palmitate is an ester formed from ascorbic acid and palmitic acid creating an vitamin C, it is also used as an antioxidant food additive.

D-α-Tocopherol Succinate (Standard) is the analytical standard of D-α-Tocopherol Succinate. This product is intended for research and analytical applications. D-α-Tocopherol Succinate (Vitamin E succinate) is an antioxidant tocopherol and a salt form of vitamin E. D-α-Tocopherol Succinate inhibits Cisplatin (HY-17394)-induced cytotoxicity. D-α-Tocopherol Succinate can be used for the research of cancer.

Pyridoxylamine (Standard) is the analytical standard of Pyridoxylamine. This product is intended for research and analytical applications. Pyridoxylamine is an advanced glycation end production (AGEs) and lipoxidation end products (ALEs) inhibitor, to protect against diabetes-induced retinal vascular lesions.

Thiamine monophosphate chloride dihydrate (Standard) is an analytical standard for Thiamine monophosphate chloride dihydrate (HY-128742). This product is intended for use in research and analytical applications. Thiamine monophosphate chloride dihydrate is a vitamin B1 (HY-A0100) metabolite and thiamine precursor. Thiamine monophosphate chloride dihydrate is absorbable in vivo and can be converted into thiamine. Thiamine monophosphate chloride dihydrate can be used as a food additive.

L-Carnitine (hydrochloride) (Standard) is the analytical standard of L-Carnitine (hydrochloride). This product is intended for research and analytical applications. L-Carnitine hydrochloride ((R)-Carnitine hydrochloride), a highly polar, small zwitterion, is an essential co-factor for the mitochondrial β-oxidation pathway. L-Carnitine hydrochloride functions to transport long chain fatty acyl-CoAs into the mitochondria for degradation by β-oxidation. L-Carnitine hydrochloride is an antioxidant. L-Carnitine hydrochloride can ameliorate metabolic imbalances in many inborn errors of metabolism.

γ-Tocotrienol (Standard) is the analytical standard of γ-Tocotrienol. This product is intended for research and analytical applications. γ-Tocotrienol is an active form of vitamin E. γ-tocotrienol reverses the multidrug resistance (MDR) of breast cancer cells through the signaling pathway of NF-κB and P-gp. γ-Tocotrienol is also a novel radioprotector agent, can mitigate bone marrow radiation damage during targeted radionuclide treatment.

Idebenone (Standard) is the analytical standard of Idebenone. This product is intended for research and analytical applications. Idebenone, a well-appreciated mitochondrial protectant, exhibits protective efficacy against neurotoxicity and can be used for the research of Alzheimer's disease, Huntington's disease. Idebenone (oxidised form) has a dose-dependent inhibitory effect on the enzymatic metabolism of arachidonic acid in astroglial homogenates (IC₅₀=16.65 μM). Idebenone, a coenzyme Q10 analog and an antioxidant, induces apoptotic cell death in the human dopaminergic neuroblastoma SHSY-5Y cells. Idebenone quickly crosses the blood-brain barrier.