Purdue Bioscience - SpeciPure

Ergocalciferol (Vitamin D2) is a derivative of ergosterol formed by ultraviolet rays breaking of the C9-C10 bond with a strong inhibitory effect against bladder tumor promotion by sodium saccharin, and it induces cell differentiation in leukemia cells. Vitamin D2 is an inhibitor of DNA Polymerase.

Pack Size	Availability	Price/USD
500 mg	In stock	$ 88
1 g	In stock	$ 167
2 g	In stock	$ 233
5 g	In stock	$ 446
10 g	In stock	$ 669

In vivo Formulation Calculator (Clear solution)

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Drug concentration: mg/ml;

Method for preparing DMSO master liquid: mg drug pre-dissolved in μL DMSO (Master liquid 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 master liquid, next add μL PEG300， mix and clarify, next add μL Tween 80，mix and clarify, next add μL ddH₂O, mix and clarify.

IMPORTANT:

Please refer to the datasheet of our products for more information about solubility. Some auxiliary solubilization methods such as sonication, heating, and vortex shaking may be able to assist in the dissolution of the product.

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An example of a molarity calculation using the molarity calculator
What is the mass of compound required to make a 10 mM stock solution in 10 ml of water given that the molecular weight of the compound is 197.13 g/mol?
Enter 197.13 into the Molecular Weight (MW) box
Enter 10 into the Concentration box and select the correct unit (millimolar)
Enter 10 into the Volume box and select the correct unit (milliliter)
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The answer of 19.713 mg appears in the Mass box

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The dilution calculator is a useful tool which allows you to calculate how to dilute a stock solution of known concentration. Enter C1, C2 & V2 to calculate V1.

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An example of a dilution calculation using the Tocris dilution calculator
What volume of a given 10 mM stock solution is required to make 20ml of a 50 μM solution?
Using the equation C1V1 = C2V2, where C1=10 mM, C2=50 μM, V2=20 ml and V1 is the unknown:
Enter 10 into the Concentration (start) box and select the correct unit (millimolar)
Enter 50 into the Concentration (final) box and select the correct unit (micromolar)
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The answer of 100 microliter (0.1 ml) appears in the Volume (start) box

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Molecular mass (molecular weight) is the mass of one molecule of a substance and is expressed n the unified atomic mass units (u). (1 u is equal to 1/12 the mass of one atom of carbon-12)
Molar mass (molar weight) is the mass of one mole of a substance and is expressed in g/mol.

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Description	Ergocalciferol (Vitamin D2) is a derivative of ergosterol formed by ultraviolet rays breaking of the C9-C10 bond with a strong inhibitory effect against bladder tumor promotion by sodium saccharin, and it induces cell differentiation in leukemia cells. Vitamin D2 is an inhibitor of DNA Polymerase.
Synonyms	Ergocalciferol, Calciferol, Ercalciol
CAS No.	50-14-6
Chemical Formula	C28H44O
Molecular Weight	396.659
Solubility	Ethanol: 74 mg/mL (186.6 mM) H2O: <1 mg/mL; DMSO: 16 mg/mL (40.3 mM)
Storage	Powder: -20°C for 2 years In solvent: -80°C for 1 year

Vitamin D2

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In vivo Formulation Calculator (Clear solution)

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