Vitamin Standards

D-α-Tocopherylquinone (α-Tocopherylquinone) (Standard) is the analytical standard of D-α-Tocopherylquinone. This product is intended for research and analytical applications. D-α-Tocopherylquinone is a quinone, can be isolated from Phaeodactylum tricornutum. D-α-Tocopherylquinone is an oxidation product of α-Tocopherol (vitamin E). D-α-Tocopherylquinone can act as an anticoagulant and as an antioxidant. D-α-Tocopherylquinone reduces cellular oxidative damage produced by oxidized lipids. D-α-Tocopherylquinone binds to a liver cytosolic protein with a molecular mass of about 40 kDa. D-α-Tocopherylquinone binds to glurathione-S-transferase (GST) and can be transported to the site of metabolism or excreted in the bile.

1-Palmitoyl-2-oleoyl-sn-glycero-3-PC (Standard) is the analytical standard of 1-Palmitoyl-2-oleoyl-sn-glycero-3-PC. This product is intended for research and analytical applications. 1-Palmitoyl-2-oleoyl-sn-glycero-3-PC (POPC), a phospholipid, is a major component of biological membranes. 1-Palmitoyl-2-oleoyl-sn-glycero-3-PC is used for the preparation of liposomes and studying the properties of lipid bilayers.

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.

epi-Inositol (Standard) is the analytical standard of epi-Inositol (HY-W016509). This product is intended for research and analytical applications. epi-Inositol, a inositol analog, is an antidepressant agent. epi-Inositol shows regulatory effects on expression of the most highly regulated gene in the inositol biosynthetic pathway. epi-Inositol shows antiepileptic effect.

all-trans-Anhydro Retinol (Standard) (Anhydrovitamin A (Standard)) is the analytical standard of all-trans-Anhydro Retinol (HY-N7495). This product is intended for research and analytical applications. all-trans-Anhydro Retinol (Anhydrovitamin A) is an orally active degradation product formed by the dehydration of vitamin A alcohol and its esters under conditions such as acidic catalysis or hydroxylic solvents, with a biological activity only 0.4% of that of Vitamin A (HY-B1342). In rats, all-trans-Anhydro Retinol can be metabolized into hydroxy derivatives and their esters, but it cannot be converted into Vitamin A (HY-B1342) and has a low storage capacity in the body.

Mebrofenin (Standard) is the analytical standard of Mebrofenin. This product is intended for research and analytical applications. Mebrofenin (SQ 26962) is a type of iminodiacetic acid (IDA). Mebrofenin is available as a ready to use the kit for radio-labeling with Tc-99m. Tc-99m Mebrofenin, a diagnostic agent, is used for hepatobiliary imaging. Tc-99m Mebrofenin is the radiopharmaceutical of choice for the evaluation of hepatic function.

Fluoxetine (hydrochloride) (Standard) is the analytical standard of Fluoxetine (hydrochloride). This product is intended for research and analytical applications. Fluoxetine hydrochloride (LY 110140) is an antidepressant and a selective serotonin reuptake inhibitor.

Fenuron (Standard) is the analytical standard of Fenuron. This product is intended for research and analytical applications. Fenuron is a water-soluble herbicide used to control annual broad-leaved weeds and woody plants, which is widely applied in the fields of beans, spinach, sugar beet, and other fruits.

Desmethylmirtazapine (Standard) is the analytical standard of Desmethylmirtazapine. This product is intended for research and analytical applications. Desmethylmirtazapine is an active metabolite of Mirtazapine that has antidepressant effects.

Phenprocoumon (Standard) is the analytical standard of Phenprocoumon. This product is intended for research and analytical applications. Phenprocoumon is a coumarin derivative that acts as a long acting oral anticoagulant and an antagonist of vitamin K.

all-trans-4-Oxoretinoic acid (Standard) is the analytical standard of all-trans-4-Oxoretinoic acid. This product is intended for research and analytical applications. all-trans-4-Oxoretinoic acid, an active metabolite of vitamin A, induces gene transcription via binding to nuclear retinoic acid receptors (RARs).

δ-Tocotrienol (Standard) is the analytical standard of δ-Tocotrienol. This product is intended for research and analytical applications. δ-Tocotrienol is a Vitamin E in vegetables, fruits, seeds, nuts, grains and oils. Vitamin E has become well known for its role as an antioxidant, in lowering cholesterol and other lipids, as a neuroprotective and anticancer agent, and in cardiovascular disease protection.

Delta-Tocopherol (Standard) is the analytical standard of Delta-Tocopherol. This product is intended for research and analytical applications. Delta-Tocopherol is an isomer of Vitamin E.

β-Tocotrienol (Standard) is the analytical standard of β-Tocotrienol. This product is intended for research and analytical applications. β-Tocotrienol is an isomer of vitamin E. β-Tocotrienol is a less potent antioxidant than α-tocotrienol. β-Tocotrienol can be found in the tocotrienol-rich fraction (TRF) of palm oil, which possesses anti-carcinogenic effects in vitro on human colon carcinoma and prostate cancer cells. β-Tocotrienol inhibits the growth of A549 (GI₅₀ = 1.38 μM) and U87MG (GI₅₀ = 2.53 μM) cells. β-Tocotrienol also induces apoptosis in cancer cells. β-Tocotrienol can inhibit PD-L1 expression and mitigates PD-L1-mediated immune suppression in vitro and in vivo.

Thiamine nitrate (Standard) is the analytical standard of Thiamine nitrate. This product is intended for research and analytical applications. Thiamine nitrate is an essential vitamin which can enhance normal neuronal actives.

Choline theophyllinate (Standard) (Oxtriphylline (Standard)) is the analytical standard of Choline theophyllinate (HY-B1718). This product is intended for research and analytical applications. Choline theophyllinate (Oxtriphylline) is an orally active methylxanthine derivative. Choline theophyllinate exhibits weak antihistaminic and anticholinergic activities and potentiates the effects of histamine and acetylcholine. Choline theophyllinate 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. It 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 theophyllinate is used in studies of bronchospasm, nocturnal asthma, and chronic asthma.

Vitamin K4 (Standard) is the analytical standard of Vitamin K4. This product is intended for research and analytical applications. Vitamin K4 is a chemically synthesized Vitamin K which plays an important role in the normal blood coagulation system. Vitamin K4 arrests the cells in S phase and induces apoptosis. Vitamin K4 can be used for the research of cancer, such as prostate cancer and osteosarcoma.

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

L-Ascorbic acid (sodium salt) (Standard) is the analytical standard of L-Ascorbic acid (sodium salt). This product is intended for research and analytical applications. L-Ascorbic acid sodium salt (Sodium ascorbate), an electron donor, is an endogenous antioxidant agent. L-Ascorbic acid sodium salt selectively inhibits Cav3.2 channels with an IC50 of 6.5 μM. L-Ascorbic acid sodium salt is also a collagen deposition enhancer and an elastogenesis inhibitor.

Bexarotene (Standard) is the analytical standard of Bexarotene. This product is intended for research and analytical applications. Bexarotene (LGD1069) is a high-affinity and selective retinoid X receptors (RXR) agonist with EC₅₀s of 33, 24, 25 nM for RXRα, RXRβ, and RXRγ, respectively. Bexarotene shows limited affinity for RAR receptors (EC₅₀ >10000 nM). Bexarotene can be used for the research of cutaneous T-cell lymphoma.