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Procyanidin A1
🥰Excellent
Catalog No. TN1136Cas No. 103883-03-0
Alias Proanthocyanidin A1
Procyanidin A1 (Proanthocyanidin A1) has antiallergic effects, it inhibits degranulation downstream of protein kinase C activation or Ca2+; influx from an internal store in RBL-2H3 cells.
Procyanidin A1
🥰Excellent
Purity: 99.52%
Catalog No. TN1136Alias Proanthocyanidin A1Cas No. 103883-03-0
Procyanidin A1 (Proanthocyanidin A1) has antiallergic effects, it inhibits degranulation downstream of protein kinase C activation or Ca2+; influx from an internal store in RBL-2H3 cells.
| Pack Size | Price | USA Warehouse | Global Warehouse | Quantity |
|---|---|---|---|---|
| 1 mg | $80 | In Stock | In Stock | |
| 5 mg | $163 | In Stock | In Stock | |
| 10 mg | $263 | In Stock | In Stock | |
| 25 mg | $446 | In Stock | In Stock | |
| 50 mg | $645 | - | In Stock | |
| 1 mL x 10 mM (in DMSO) | $198 | In Stock | In Stock |
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In Stock Estimated shipping dateUSA Warehouse[1-2 days] Global Warehouse[5-7 days]
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Batch Information
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Purity:99.52%
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Product Introduction
Bioactivity
Chemical Properties
| Description | Procyanidin A1 (Proanthocyanidin A1) has antiallergic effects, it inhibits degranulation downstream of protein kinase C activation or Ca2+; influx from an internal store in RBL-2H3 cells. |
| In vitro | We found that a peanut-skin extract (PSE) inhibits the degranulation induced by antigen stimulation of rat basophilic leukemia (RBL-2H3) cells. A low-molecular-weight fraction from PSE, PSEL, also had inhibitory activity against allergic degranulation. A main polyphenol in PSEL was purified by gel chromatography and fractionated by YMC-gel ODS-AQ 120S50 column. Electrospray ionization mass spectrometry (ESI-MS) analysis of the purified polyphenol gave m/z 599 [M+Na]?. Based on the results of 1H-NMR, 13C-NMR spectra, and optical rotation analysis, the polyphenol was identified as Procyanidin A1. It inhibited the degranulation caused by antigen stimulation at the IC50 of 20.3 μM. Phorbol-12-myristate-13-acetate (PMA) and 2,5,-di(tert-butyl)-1,4-hydroquinone (DTBHQ)-induced processes of degranulation were also inhibited by Procyanidin A1[1] |
| Synonyms | Proanthocyanidin A1 |
| Molecular Weight | 576.5 |
| Formula | C30H24O12 |
| Cas No. | 103883-03-0 |
| Smiles | OC1Cc2c(O)cc3OC4(Oc5cc(O)cc(O)c5C(C4O)c3c2OC1c1ccc(O)c(O)c1)c1ccc(O)c(O)c1 |
| Relative Density. | 1.766 g/cm3 (Predicted) |
Storage & Solubility Information
| Storage | Powder: -20°C for 3 years | In solvent: -80°C for 1 year | Shipping with blue ice/Shipping at ambient temperature. | ||||||||||||||||||||||||||||||
| Solubility Information | DMSO: 55 mg/mL (95.4 mM), Sonication is recommended.  | ||||||||||||||||||||||||||||||
| In Vivo Formulation | 10% DMSO+40% PEG300+5% Tween 80+45% Saline: 2 mg/mL (3.47 mM), Sonication is recommended. Please add the solvents sequentially, clarifying the solution as much as possible before adding the next one. Dissolve by heating and/or sonication if necessary. Working solution is recommended to be prepared and used immediately. The formulation provided above is for reference purposes only. In vivo formulations may vary and should be modified based on specific experimental conditions. | ||||||||||||||||||||||||||||||
Solution Preparation Table | |||||||||||||||||||||||||||||||
DMSO
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In Vivo Formulation Calculator (Clear solution)
Please enter your animal experiment information in the following box and click Calculate to obtain the mother liquor preparation method and in vivo formula preparation method:
For example, your dosage is 10 mg/kg Each animal weighs 20 g, and the dosage volume is 100 μL . A total of 10 animals were administered, and the formula you used is 5% 
DMSO+30% PEG300+5% Tween 80+60% Saline/PBS/ddH2O. So your working solution concentration is 2 mg/mL。Mother liquor preparation method: 2 mg of drug dissolved in 50 μL DMSO (mother liquor concentration of 40 mg/mL), if you need to configure a concentration that exceeds the solubility of the product, please contact us first.
(mother liquor concentration of 40 mg/mL), if you need to configure a concentration that exceeds the solubility of the product, please contact us first.Preparation method for in vivo formula: Take 50 μL DMSO main solution, add 300 μLPEG300 mix well and clarify, then add 50 more μL Tween 80, mix well and clarify, then add 600 more μLSaline/PBS/ddH2O mix well and clarify
main solution, add 300 μLPEG300 mix well and clarify, then add 50 more μL Tween 80, mix well and clarify, then add 600 more μLSaline/PBS/ddH2O mix well and clarifyFor Reference Only. Please develop an appropriate dissolution method based on your laboratory animals and route of administration.
Dose Conversion
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Tech Support
Please see Inhibitor Handling Instructions for more frequently ask questions. Topics include: how to prepare stock solutions, how to store products, and cautions on cell-based assays & animal experiments, etc
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