• Inhibitory Selectivity
  • Solubility
Catalog No. Product Name Solubility(25°C)
Water DMSO Alcohol
S1469 Calcifediol <1 mg/mL 80 mg/mL 20 mg/mL
S1468 Alfacalcidol <1 mg/mL 80 mg/mL 80 mg/mL
S1921 Phenindione <1 mg/mL 44 mg/mL 15 mg/mL
S4144 Amprolium HCl 63 mg/mL 2 mg/mL <1 mg/mL
S1466 Calcitriol <1 mg/mL 83 mg/mL 83 mg/mL
S3114 Vitamin C 35 mg/mL 35 mg/mL <1 mg/mL
S1467 Doxercalciferol <1 mg/mL 83 mg/mL 70 mg/mL
S5568 Tocofersolan -1 mg/mL 100 mg/mL -1 mg/mL
S5592 Vitamin A -1 mg/mL 57 mg/mL -1 mg/mL
S5386 7-Dehydrocholesterol -1 mg/mL 76 mg/mL -1 mg/mL
S5203 Sulbutiamine -1 mg/mL 100 mg/mL -1 mg/mL
S5558 D-Pantothenate Sodium -1 mg/mL 6 mg/mL -1 mg/mL
S5474 Dibenzoyl Thiamine -1 mg/mL 98 mg/mL -1 mg/mL
S5311 Pyridoxal phosphate 6 mg/mL 10 mg/mL <1 mg/mL
S5082 Vitamin K2 -1 mg/mL 88 mg/mL -1 mg/mL
S4987 Inositol niacinate <1 mg/mL 0.01 mg/mL <1 mg/mL
S4994 Methylcobalamin -1 mg/mL 100 mg/mL -1 mg/mL
S5220 D-Pantethine 100 mg/mL <1 mg/mL -1 mg/mL
S4871 Pyridoxal 5-phosphate monohydrate -1 mg/mL 22 mg/mL -1 mg/mL
S3980 Pyridoxine -1 mg/mL 33 mg/mL -1 mg/mL
S4779 Menadiol Diacetate -1 mg/mL 51 mg/mL -1 mg/mL
S4811 VitaMin U 39 mg/mL <1 mg/mL -1 mg/mL
S3130 Biotin (Vitamin B7) <1 mg/mL 49 mg/mL <1 mg/mL
S1902 Vitamin B12 6 mg/mL 75 mg/mL 10 mg/mL
S1744 Nicotinic Acid 2 mg/mL 25 mg/mL <1 mg/mL
S4063 cholecalciferol (Vitamin D3) <1 mg/mL 77 mg/mL 77 mg/mL
S1767 Beta Carotene <1 mg/mL 4 mg/mL 5 mg/mL
S2540 Riboflavin <1 mg/mL 0.1 mg/mL <1 mg/mL
S3211 Thiamine HCl (Vitamin B1) 68 mg/mL <1 mg/mL <1 mg/mL
S4503 Calcium D-Panthotenate 44 mg/mL 44 mg/mL <1 mg/mL
S4126 Retinyl (Vitamin A) Palmitate <1 mg/mL 3 mg/mL 5 mg/mL
S4605 Folic acid <1 mg/mL 2 mg/mL <1 mg/mL
S2297 Ergosterol <1 mg/mL 0.01 mg/mL <1 mg/mL
S4083 Vitamin A Acetate <1 mg/mL 65 mg/mL 65 mg/mL
S3665 Trolox <1 mg/mL 50 mg/mL 50 mg/mL
S3113 Pyridoxine HCl 41 mg/mL 41 mg/mL <1 mg/mL
S4245 Sodium ascorbate 40 mg/mL 2 mg/mL <1 mg/mL
Catalog No. Information Product Use Citations Product Validations


Calcifediol is a major circulating metabolite of vitamin D3 and acts as a competitive inhibitor with an apparent Ki of 3.9 μM. It also suppresses PTH secretion and mRNA (ED50=2 nM).



Alfacalcidol is a non-selective VDR activator medication.



Chlorindione is an antagonist of vitamin K.



Phenindione is an anticoagulant which functions as a Vitamin K antagonist.


Amprolium HCl

Amprolium chloride is a thiamin antagonist, which prevents carbohydrate synthesis by blocking thiamine uptake.



Calcitriol is a nonselective vitamin D receptor activator/agonist(VDRA), exhibiting a 10-fold higher vitamin D receptor (VDR) binding affinity(IC50=0.4 nM) than the selective VDRA paricalcitol.


Vitamin C

Vitamin C is a water-soluble vitamin indicated for the prevention and treatment of scurvy.



Doxercalciferol is a synthetic vitamin D2 analog, suppressing parathyroid synthesis and secretion, used to treat secondary hyperparathyroidism and metabolic bone disease.



Tocofersolan is a synthetic water-soluble version of vitamin E that is used in treatment of vitamin E deficiency.


Vitamin A

Vitamin A is a naturally occuring fat-soluble vitamin that is important for normal vision, the immune system, and reproduction. It also plays roles in normal functioning of heart, lungs, kidneys, and other organs.



7-Dehydrocholesterol is the direct precursor of free cholesterol in the cholesterol biosynthetic pathway in mammalian tissues and also a biosynthetic precursor to vitamin D3.



Sulbutiamine is a synthetic derivative of thiamine (vitamin B1), belonging to a class of supplements shown to help improve memory, learning capacity, decision-making, concentration, and focus.


Vitamin K1

Vitamin K1, made by plants, is a major type of dietary vitamin K, which is well-known for its role in blood clotting. Vitamin K1 is directly involved in photosynthesis.


D-Pantothenate Sodium

D-Pantothenate Sodium, the sodium salt of D-pantothenate, is a derivative of vitamin B5 which is an an essential nutrient and plays important roles in the oxidation of fats and carbohydrates and certain amino acids.


Dibenzoyl Thiamine

Dibenzoyl Thiamine, a lipophilic derivative of vitamin B (thiamine), is a kind of food additive that can be rapidly absorbed into the body and converted to thiamine.


Pyridoxal phosphate

Pyridoxal phosphate, the active form of vitamin B6, acts as a coenzyme in all transamination reactions, and in certain decarboxylation, deamination, and racemization reactions of amino acids.


Vitamin K2

Vitamin K2 is an important fat-soluble vitamin that plays critical roles in protecting heart and brain, and building strong bones. It also plays an important role in cancer protection.


Inositol niacinate



Methylcobalamin is one active form of vitamin B12 which can directly participate in homocysteine metabolism. It is used to treat some nutritional diseases and other diseases in clinic, such as Alzheimer's disease and rheumatoid arthritis.



Pantethine is a naturally occurring compound synthesized in the body from pantothenic acid (vitamin B5) via addition of cysteamine and used as a dietary supplement for lowering blood cholesterol and triglycerides.


Pyridoxal 5-phosphate monohydrate

Pyridoxal 5-phosphate monohydrate is an active vitamin B6 metabolite, which is a cofactor in many reactions of amino acid metabolism.



Pyridoxine, also known as vitamin B6, is a form of vitamin B6 found commonly in food and used as dietary supplement. It is a cofactor for both glutamic acid decarboxylase and GABA transaminase.


Menadiol Diacetate

Menadiol Diacetate (Vitamin K4) is a synthetic hydrophilic menadione compound, which is clinically used as hemostasis medicine. It induces caspase-3-related apoptosis pathway via mitochondrial dysfunction and DNA fragmentation.


VitaMin U

Vitamin U (Methylmethionine chloride) is a vitamin found in green vegetables. It is used in the treatment of peptic ulcers, colitis, and gastritis and has an effect on secretory, acid-forming, and enzymatic functions of the intestinal tract.


Vitamin E Acetate

Vitamin E Acetate is the stable form of Vitamin E most often used in cosmetic formulations for its skin care benefits. It protects the cells against free radicals and prevents the peroxidation of body fats as an in-vivo antioxidant.


Biotin (Vitamin B7)

Biotin is a water-soluble B-vitamin and is necessary for cell growth, the production of fatty acids, and the metabolism of fats and amino acids.


Vitamin B12

Vitamin B12 is a water soluble vitamin with a key role in the normal functioning of the brain and nervous system, and for the formation of blood.


Nicotinic Acid

Nicotinic Acid is a water-soluble vitamin belonging to the vitamin B family.


cholecalciferol (Vitamin D3)

Vitamin D3 is a form of vitamin D, binds and activates a H305F/H397Y mutant vitamin D receptor (VDR) with EC50 of 300 nM.


Beta Carotene

Beta Carotene is an organic compound and classified as a terpenoid. It is a precursor (inactive form) of vitamin A.



Riboflavin is an easily absorbed micronutrient with a key role in maintaining health in humans and other animals.


Thiamine HCl (Vitamin B1)

Thiamine or vitamin B1 is a water-soluble vitamin of the B complex, its phosphate derivatives are involved in many cellular processes.


Calcium D-Panthotenate

Calcium D-Panthotenate, also called vitamin B5 Calcium, is a water-soluble vitamin and an essential nutrient for many animals.


Retinyl (Vitamin A) Palmitate

Vitamin A palmitate is a more stable, synthetic version of the essential nutrient vitamin A joined to palmitic acid.


Folic acid

Folic acid, a B vitamin, plays an important role in cell division and in the synthesis of amino acids and nucleic acids like DNA.



Ergosterol is a sterol and a biological precursor (a provitamin) to vitamin D2.


D panthenol

Dexpanthenol is an alcoholic analogue of D-pantothenic acid and cholinergic agent.


Vitamin A Acetate

Vitamin A is a group of unsaturated nutritional hydrocarbons, that includes retinol, retinal, retinoic acid, and several provitamin A carotenoids, among which beta-carotene is the most important.



Trolox is a cell-permeable, water-soluble derivative of vitamin E with potent antioxidant properties.


Pyridoxine HCl

Pyridoxine HCl is a form of vitamin B6.


Sodium ascorbate

Sodium Ascorbate is a more bioavailable form of vitamin C that is an alternative to taking ascorbic acid as a supplement.