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Picroside III

Cat No.:V29791 Purity: ≥98%
Picroside III Picroside III is an iridoid glycoside extracted from the traditional Chinese medicine Picrorhiza scrophulariiflora (PS).
Picroside III
Picroside III Chemical Structure CAS No.: 64461-95-6
Product category: New1
This product is for research use only, not for human use. We do not sell to patients.
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Product Description
Picroside III Picroside III is an iridoid glycoside extracted from the traditional Chinese medicine Picrorhiza scrophulariiflora (PS).
Picroside III (CAS#: 64461-95-6) is an iridoid glycoside isolated from Picrorhiza scrophulariiflora (also known as Picrorhiza kurroa), a traditional Chinese medicinal herb commonly referred to as "Hu Huang Lian". The compound has a molecular formula of C25H30O13 and a molecular weight of 538.50. Picroside III is a cyclic enol ether terpene glycoside that belongs to the class of iridoid glycosides, which are characteristic secondary metabolites of Picrorhiza species. This natural product has been used in traditional medicine for the treatment of various diseases including liver disorders, respiratory conditions, and inflammation. Research has shown that Picroside III has the potential to repair intestinal mucosal damage and reduce intestinal inflammation.
Biological Activity I Assay Protocols (From Reference)
Targets
The specific molecular targets of Picroside III are not fully characterized. As an iridoid glycoside from Picrorhiza scrophulariiflora, it is known for various biological activities including hepatoprotective, anti-inflammatory, and intestinal protective effects. The compound has been studied for its potential to repair intestinal mucosal damage and reduce intestinal inflammation in mice. Iridoid glycosides from Picrorhiza species are known to interact with multiple cellular targets involved in inflammation and oxidative stress pathways. However, the precise molecular targets of Picroside III remain to be fully elucidated through systematic target identification studies.
ln Vitro
In vitro studies on Picroside III are limited. The compound has been detected and quantified in leaf-derived calli of Picrorhiza kurroa, an endangered medicinal plant species. Based on the known activities of related iridoid glycosides, Picroside III may exhibit anti-inflammatory, antioxidant, and hepatoprotective activities in cell-based assays. The compound has been studied for its potential to repair intestinal mucosal damage and reduce inflammation. However, specific in vitro activity data for Picroside III, including IC50 values or detailed cellular mechanism studies, are not widely available in the published literature.
ln Vivo
In vivo studies have demonstrated that Picroside III has the potential to repair intestinal mucosal damage and reduce intestinal inflammation in mice. This finding suggests that the compound has therapeutic potential for inflammatory bowel diseases and other gastrointestinal disorders. As a component of Picrorhiza kurroa, which has been used in traditional medicine for various treatments, Picroside III is believed to contribute to the pharmacological effects of the crude herb. However, detailed in vivo efficacy data, including dose-response relationships and mechanistic studies, are limited.
Enzyme Assay
The in vitro receptor binding and enzyme assays for Picroside III are not well-documented in the available literature. As an iridoid glycoside, the compound's interactions with potential molecular targets could be studied using standard biochemical techniques. These might include radioligand binding assays for receptor targets, enzyme activity assays for enzymatic targets, and cell-based reporter assays for signaling pathway modulation. However, specific protocols for studying Picroside III have not been published. For researchers interested in studying this compound, protocols would need to be developed based on the known activities of related iridoid glycosides from Picrorhiza species.
Cell Assay
Cellular assays for Picroside III are not well-documented in the available literature. For similar iridoid glycosides, typical cellular assays involve culturing relevant cell lines such as intestinal epithelial cells, hepatocytes, or immune cells and treating them with varying concentrations of the compound. Cells are then assessed for markers of inflammation, oxidative stress, or cell viability using techniques such as ELISA, Western blotting, or quantitative PCR. However, specific protocols for Picroside III have not been published.
Animal Protocol
In vivo animal studies for Picroside III have been conducted in mouse models of intestinal inflammation. The compound is typically administered orally or intraperitoneally at various doses, and its effects on intestinal mucosal integrity and inflammation are assessed. Intestinal tissue samples are collected for histopathological analysis and measurement of inflammatory markers. The compound's ability to repair intestinal mucosal damage and reduce inflammation has been demonstrated in these models. Further studies are needed to fully characterize the in vivo pharmacological profile of Picroside III.
ADME/Pharmacokinetics
Pharmacokinetic data for Picroside III are not available in the current literature. As an iridoid glycoside with a molecular weight of 538.50, the compound would be expected to have moderate oral bioavailability and undergo metabolic transformation. The compound is typically stored as powder at -20degC for up to 3 years or at 4degC for up to 2 years. Solubility information is limited, but related iridoid glycosides are typically soluble in organic solvents such as DMSO, ethanol, and methanol. Detailed pharmacokinetic parameters such as half-life, clearance, and bioavailability have not been determined for this compound.
Toxicity/Toxicokinetics
Toxicological data for Picroside III are not available in the published literature. As a natural product from Picrorhiza scrophulariiflora, which has a long history of traditional medicinal use, the compound is presumed to have a reasonable safety profile. Picrorhiza species have been consumed as a traditional medicine with no major safety concerns reported. However, the specific toxicity profile of purified Picroside III has not been systematically evaluated in preclinical studies. Standard toxicological assessments would be needed to establish the safety profile of this compound for any potential therapeutic applications.
References

[1]. A pre-clinical pharmacokinetic study in rats of three naturally occurring iridoid glycosides, Picroside-I, II and III, using a validated simultaneous HPLC-MS/MS assay. J Chromatogr B Analyt Technol Biomed Life Sci. 2015 Jul 1;993-994:47-59.

Additional Infomation
Picroside III is a research-grade natural product isolated from Picrorhiza scrophulariiflora (Hu Huang Lian), a traditional Chinese medicinal herb. It is an iridoid glycoside with a molecular formula of C25H30O13 and a molecular weight of 538.50. The compound has demonstrated potential to repair intestinal mucosal damage and reduce intestinal inflammation in mice. Picrorhiza species have been used traditionally for the treatment of liver disorders, respiratory conditions, and inflammation. Picroside III is one of several bioactive iridoid glycosides found in these plants. The compound is not approved for clinical use and is available only for research purposes.
These protocols are for reference only. InvivoChem does not independently validate these methods.
Physicochemical Properties
Molecular Formula
C25H30O13
Molecular Weight
538.4979
Exact Mass
538.168
CAS #
64461-95-6
PubChem CID
23986034
Appearance
White to off-white solid powder
Density
1.6±0.1 g/cm3
Boiling Point
791.2±60.0 °C at 760 mmHg
Flash Point
266.9±26.4 °C
Vapour Pressure
0.0±2.9 mmHg at 25°C
Index of Refraction
1.678
LogP
-2.58
Hydrogen Bond Donor Count
6
Hydrogen Bond Acceptor Count
13
Rotatable Bond Count
9
Heavy Atom Count
38
Complexity
912
Defined Atom Stereocenter Count
11
HS Tariff Code
2934.99.9001
Storage

Powder      -20°C    3 years

                     4°C     2 years

In solvent   -80°C    6 months

                  -20°C    1 month

Note: Please store this product in a sealed and protected environment (e.g. under nitrogen), avoid exposure to moisture and light.
Shipping Condition
Room temperature (This product is stable at ambient temperature for a few days during ordinary shipping and time spent in Customs)
Solubility Data
Solubility (In Vitro)
DMSO : ~50 mg/mL (~92.85 mM)
Solubility (In Vivo)
Solubility in Formulation 1: ≥ 1.25 mg/mL (2.32 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 (2.32 mM) (saturation unknown) in 10% DMSO + 90% (20% SBE-β-CD in 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 900 μL of 20% SBE-β-CD physiological saline solution and mix evenly.
Preparation of 20% SBE-β-CD in Saline (4°C,1 week): Dissolve 2 g SBE-β-CD in 10 mL saline to obtain a clear solution.

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Solubility in Formulation 3: ≥ 1.25 mg/mL (2.32 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 1.8570 mL 9.2851 mL 18.5701 mL
5 mM 0.3714 mL 1.8570 mL 3.7140 mL
10 mM 0.1857 mL 0.9285 mL 1.8570 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.

Calculator

Molarity Calculator allows you to calculate the mass, volume, and/or concentration required for a solution, as detailed below:

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An example of molarity calculation using the molarity calculator is shown below:
What is the mass of compound required to make a 10 mM stock solution in 5 ml of DMSO given that the molecular weight of the compound is 350.26 g/mol?
  • Enter 350.26 in the Molecular Weight (MW) box
  • Enter 10 in the Concentration box and choose the correct unit (mM)
  • Enter 5 in the Volume box and choose the correct unit (mL)
  • Click the “Calculate” button
  • The answer of 17.513 mg appears in the Mass box. In a similar way, you may calculate the volume and concentration.

Dilution Calculator allows you to calculate how to dilute a stock solution of known concentrations. For example, you may Enter C1, C2 & V2 to calculate V1, as detailed below:

What volume of a given 10 mM stock solution is required to make 25 ml of a 25 μM solution?
Using the equation C1V1 = C2V2, where C1=10 mM, C2=25 μM, V2=25 ml and V1 is the unknown:
  • Enter 10 into the Concentration (Start) box and choose the correct unit (mM)
  • Enter 25 into the Concentration (End) box and select the correct unit (mM)
  • Enter 25 into the Volume (End) box and choose the correct unit (mL)
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  • The answer of 62.5 μL (0.1 ml) appears in the Volume (Start) box
g/mol

Molecular Weight Calculator allows you to calculate the molar mass and elemental composition of a compound, as detailed below:

Note: Chemical formula is case sensitive: C12H18N3O4  c12h18n3o4
Instructions to calculate molar mass (molecular weight) of a chemical compound:
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Definitions of molecular mass, molecular weight, molar mass and molar weight:
  • Molecular mass (or molecular weight) is the mass of one molecule of a substance and is expressed in 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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Reconstitution Calculator allows you to calculate the volume of solvent required to reconstitute your vial.

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  • The answer appears in the Volume (to add to vial) box
In vivo Formulation Calculator (Clear solution)
Step 1: Enter information below (Recommended: An additional animal to make allowance for loss during the experiment)
Step 2: Enter in vivo formulation (This is only a calculator, not the exact formulation for a specific product. Please contact us first if there is no in vivo formulation in the solubility section.)
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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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