| Size | Price | Stock | Qty |
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| 1mg |
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| Other Sizes |
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Impurity F of Calcipotriol is an impurity of Calcipotriol (MC 903; Calcipotriene) which is a synthetic calcitriol/Vitamin D3 (VD3) analog and an agonist of the VD3 receptor. It is used in the treatment of psoriasis and marketed under the trade name Dovonex. It has comparable affinity with calcitriol (Vit. D) for the Vitamin D receptor (VDR), while being less than 1% as active as the calcitriol in regulating calcium metabolism. Chronic plaque psoriasis is the chief medical use of calcipotriol. It has also been used successfully in the treatment of alopecia areata.
| References |
[1]. Binderup (1993) Comparison of calcipotriol with selected metabolites and analogues of vitamin D3: effects on cell growth regulation in vitro and calcium metabolism in vivo. Pharmacol.Toxicol. 72 240.
[2]. Knutson et al (1997) Pharmacokinetics and systemic effect on calcium homeostasis of 1a,24-dihydroxyvitamin D2 in rats. Biochem.Pharmacol. 53 829.
[3]. Wietrzyk et al (2007) Antitumor properties of diastereomeric and geometric analogs of vitamin D3. Anticancer Drugs 18 447.111
[4]. Lise Binderup,, Erik Bramm. Effects of a novel vitamin D analogue MC 903 on cell proliferation and differentiation in vitro and on calcium metabolism in vivo. Biochemical Pharmacology. Volume 37, Issue 5, 1 March 1988, Pages 889-895
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| Molecular Formula |
C39H68O3SI2
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| Molecular Weight |
641.12642
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| CAS # |
112875-61-3
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| Related CAS # |
Calcipotriol;112965-21-6
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| SMILES |
C[C@]1(CCC/2)[C@@](C2=C\C=C3C[C@@H](O[Si](C)(C)C(C)(C)C)C[C@H](O[Si](C)(C)C(C)(C)C)C\3=C)([H])CC[C@]1([H])[C@H](C)/C=C/[C@H](C4CC4)O
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| Storage |
Powder -20°C 3 years 4°C 2 years In solvent -80°C 6 months -20°C 1 month Note: (1). This product requires protection from light (avoid light exposure) during transportation and storage. (2). Please store this product in a sealed and protected environment (e.g. under nitrogen), avoid exposure to moisture. (3). This product is not stable in solution, please use freshly prepared working solution for optimal results. |
| Shipping Condition |
Room temperature (This product is stable at ambient temperature for a few days during ordinary shipping and time spent in Customs)
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| Solubility (In Vitro) |
DMSO : ~25 mg/mL (~38.99 mM)
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| Solubility (In Vivo) |
Solubility in Formulation 1: ≥ 1.25 mg/mL (1.95 mM) (saturation unknown) in 10% DMSO + 40% PEG300 + 5% Tween80 + 45% Saline (add these co-solvents sequentially from left to right, and one by one), clear solution.
For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 12.5 mg/mL clear DMSO stock solution to 400 μL PEG300 and mix evenly; then add 50 μL Tween-80 to the above solution and mix evenly; then add 450 μL normal saline to adjust the volume to 1 mL. Preparation of saline: Dissolve 0.9 g of sodium chloride in 100 mL ddH₂ O to obtain a clear solution. Solubility in Formulation 2: ≥ 1.25 mg/mL (1.95 mM) (saturation unknown) in 10% DMSO + 90% Corn Oil (add these co-solvents sequentially from left to right, and one by one), clear solution. For example, if 1 mL of working solution is to be prepared, you can add 100 μL of 12.5 mg/mL clear DMSO stock solution to 900 μL of corn oil and mix evenly. (Please use freshly prepared in vivo formulations for optimal results.) |
| Preparing Stock Solutions | 1 mg | 5 mg | 10 mg | |
| 1 mM | 1.5597 mL | 7.7987 mL | 15.5975 mL | |
| 5 mM | 0.3119 mL | 1.5597 mL | 3.1195 mL | |
| 10 mM | 0.1560 mL | 0.7799 mL | 1.5597 mL |
*Note: Please select an appropriate solvent for the preparation of stock solution based on your experiment needs. For most products, DMSO can be used for preparing stock solutions (e.g. 5 mM, 10 mM, or 20 mM concentration); some products with high aqueous solubility may be dissolved in water directly. Solubility information is available at the above Solubility Data section. Once the stock solution is prepared, aliquot it to routine usage volumes and store at -20°C or -80°C. Avoid repeated freeze and thaw cycles.
Calculation results
Working concentration： mg/mL；
Method for preparing DMSO stock solution： mg drug pre-dissolved in μL DMSO (stock solution concentration mg/mL). Please contact us first if the concentration exceeds the DMSO solubility of the batch of drug.
Method for preparing in vivo formulation:：Take μL DMSO stock solution, next add μL PEG300, mix and clarify, next addμL Tween 80, mix and clarify, next add μL ddH2O，mix and clarify.
(1) Please be sure that the solution is clear before the addition of next solvent. Dissolution methods like vortex, ultrasound or warming and heat may be used to aid dissolving.
(2) Be sure to add the solvent(s) in order.
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