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Phenolphthalein (Standard) is the standard substance of Phenolphthalein, and it is applicable for quantitative analysis, quality control, and related research in biochemical experiments. Phenolphthalein (Phthalin) is an acid-base indicator which is colorless in acid solution, but turns pink to red as the solution becomes alkaline. It is used medicinally as a cathartic.

| Pack Size | Price | USA Warehouse | Global Warehouse | Quantity |
|---|---|---|---|---|
| 10 mg | $36 | 7-10 days | 7-10 days |
| Description | Phenolphthalein (Standard) is the standard substance of Phenolphthalein, and it is applicable for quantitative analysis, quality control, and related research in biochemical experiments. Phenolphthalein (Phthalin) is an acid-base indicator which is colorless in acid solution, but turns pink to red as the solution becomes alkaline. It is used medicinally as a cathartic. |
| Molecular Weight | 318.32 |
| Formula | C20H14O4 |
| Cas No. | 77-09-8 |
| Smiles | OC1=CC=C(C=C1)C1(OC(=O)C2=C1C=CC=C2)C1=CC=C(O)C=C1 |
| Relative Density. | Ca. 1.296. Temperature:20.6 °C. |
| Storage | keep away from direct sunlight | store at -80°C |
Dissolve 2 mg of the compound in 100 μL DMSO
to obtain a stock solution at a concentration of 20 mg/mL . If the required concentration exceeds the compound's known solubility, please contact us for technical support before proceeding.
1) Add 100 μL of the DMSO
stock solution to 400 μL PEG300
and mix thoroughly until the solution becomes clear.
2) Add 50 μL Tween 80 and mix well until fully clarified.
3) Add 450 μL Saline,PBS or ddH2O
and mix thoroughly until a homogeneous solution is obtained.
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