5-Fluoroindole CAS 399-52-0
Product:5-Fluoroindole;5-Fluoro-3-Methylindole;1h-Indole, 5-Fluoro-
CAS NO.: 399-52-0
Molecular formula:C8H6FN
Purity & Grade: 99% HPLC; Food grade
MOQ & Package: 100g; Package according to demand
Shipping: Safe and fast delivery
Store & Shelf life: Cool & dry place; 36 months
Lead Time: about 3 days
Warehouse: USA and Germany warehouse
Certificate:COA; HPLC; MSDS; TDS,etc.
Description
What is 5-Fluoroindole?
5-Fluoroindole is a heterocyclic organic compound that can be used as a pharmaceutical intermediate, with specific physical and chemical properties and safety precautions.

| Product name | 5-Fluoroindole |
| CAS | 399-52-0 |
| Molecular formula | C8H6FN |
| Molecular weight | 135.14 |
| EINECS Number | 206-917-4 |
| melting point | 45-48 °C (lit.) |
| solubility | Soluble in chloroform (small amount), methanol (small amount) |
| Storage conditions | Keep in dark place,Inert atmosphere,2-8°C |
| Appearance | Off white crystalline powder |
| boiling point | 120 °C / 1mmHg |
| Density | 1.1203 (estimate) |
How is 5-Fluoroindole produce?
5-Fluoroindole production can be carried out through the following steps:
Step 1: Preparation of intermediate crude product
Add 7.2 grams of 5-fluoro-2-nitrotoluene (compound 1b, 0.046 mol) and 27.4 grams of DMFDMA (0.232 mol) to 80 ml of acetonitrile, then raise the reaction temperature to 85 ° C to 95 ° C and reflux for 5 hours. After cooling the reaction, spin dry the solvent, and wash with water and trace amounts of ethanol, 9.3 grams of crude product 2b (0.0443 mol, yield 96.2%) can be obtained. This is done by reacting 5-fluoro-2-nitrotoluene and DMFDMA in a specific solvent and temperature to generate the desired intermediate.
Step 2: Preparation of 5-fluoroindole
Add the intermediate 2b obtained in the first step to 147ml of methanol containing 10wt% hydrazine (hydrazine content 0.45mol, 10eq), then raise the temperature to 50 ℃, react for 8 hours, and then cool to room temperature. Finally, the solvent was spin dried to obtain 5.7 grams of product 3b (0.0424 mol, yield 95.8%). This step involves further reaction of the intermediate with hydrazine to generate the product.
Product Specification
| Item | Specification | Results |
| Appearance | White or off- white crystalline powder; | Complies |
| Melting point | 45-48 °C (lit.) | Complies |
| Chemical Reaction | Generate white precipitate | Generate white precipitate |
| IR Identification | Should comply with the reference spectrum | Comply with the reference spectrum |
| Related substances | ||
| Individual Impurity | ≤0.2% | 0.10% |
| Total Impurity | ≤0.2% | 0.10% |
| Residual Solvent | ||
| Loss on Drying | ≤0.5% | 0.40% |
| Residual on ignition | ≤1.0% | 0.05% |
| Heavy metals | ≤10ppm | Complies |
| Assay | 98.0%~102.0% | 101.00% |
| Microbial Limit | ||
| Bacterial count | ≤1000cfu/g | <10cfu/g |
| Mould and Yeast Count | ≤100cfu/g | <10cfu/g |
| Escherichia coli | Not detected/g | Negative/g |
| Conclusion | Conform with enterprise specification | |
Where is 5-Fluoroindole usually used?
5-Fluoroindole is an important pharmaceutical intermediate commonly used in the following fields:
Research on anti-tumor drugs: It is an important pharmaceutical intermediate, often used as a starting material for preparing anti-tumor drugs. Through processes such as Friedel Crafts reaction, phthalamination, and reduction, various derivatives are obtained, from which excellent water-soluble and highly active anti-cancer compounds are further screened.
Laboratory research and development and chemical pharmaceutical synthesis: It can be used as an organic synthesis intermediate and pharmaceutical intermediate, mainly used in laboratory research and development processes and chemical pharmaceutical synthesis processes.
In summary, it is mainly applied in the research and development of anti-tumor drugs, as well as in organic synthesis processes in laboratories and industries.
What are the effects of 5-Fluoroindole ?

5-Fluoroindole and its derivatives have a wide range of applications in the fields of medicine, spices, dyes, and efficient plant growth regulators for agriculture. The specific effects include:
Pharmacological toxicological effects: This substance has been shown to profoundly alter the sensory motor response, injury threshold, core temperature, respiratory rate, and motor activity of mice in vivo studies.
Synthetic drugs: have anti-cancer effects, as well as anti-cancer, analgesic, and anti-inflammatory effects, and have a relatively mild bone marrow inhibitory effect while maintaining anti-tumor effects
In summary, it and its derivatives have multiple pharmacological effects, but may also be accompanied by certain toxic side effects. The specific effect depends on its chemical structure and application method.
How and where to buy 5-Fluoroindole wholesale?
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Note: This compound is only used for laboratory research purposes. The US authorities have not evaluated these claims. Before use, please consult your doctor and learn about available research. This product is not intended for the diagnosis, treatment, cure, or prevention of any disease.
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