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Fluoronaphthalene

CAS# 321-38-0

Fluoronaphthalene

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Fluoronaphthalene: 5mg $17 In Stock
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Quality Control of Fluoronaphthalene

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Chemical structure

Fluoronaphthalene

3D structure

Chemical Properties of Fluoronaphthalene

Cas No. 321-38-0 SDF Download SDF
PubChem ID 9450 Appearance Powder
Formula C10H7F M.Wt 146
Type of Compound N/A Storage Desiccate at -20°C
Solubility Soluble in Chloroform,Dichloromethane,Ethyl Acetate,DMSO,Acetone,etc.
Chemical Name 1-fluoronaphthalene
SMILES C1=CC=C2C(=C1)C=CC=C2F
Standard InChIKey CWLKTJOTWITYSI-UHFFFAOYSA-N
Standard InChI InChI=1S/C10H7F/c11-10-7-3-5-8-4-1-2-6-9(8)10/h1-7H
General tips For obtaining a higher solubility , please warm the tube at 37 ℃ and shake it in the ultrasonic bath for a while.Stock solution can be stored below -20℃ for several months.
We recommend that you prepare and use the solution on the same day. However, if the test schedule requires, the stock solutions can be prepared in advance, and the stock solution must be sealed and stored below -20℃. In general, the stock solution can be kept for several months.
Before use, we recommend that you leave the vial at room temperature for at least an hour before opening it.
About Packaging 1. The packaging of the product may be reversed during transportation, cause the high purity compounds to adhere to the neck or cap of the vial.Take the vail out of its packaging and shake gently until the compounds fall to the bottom of the vial.
2. For liquid products, please centrifuge at 500xg to gather the liquid to the bottom of the vial.
3. Try to avoid loss or contamination during the experiment.
Shipping Condition Packaging according to customer requirements(5mg, 10mg, 20mg and more). Ship via FedEx, DHL, UPS, EMS or other couriers with RT, or blue ice upon request.

Fluoronaphthalene Dilution Calculator

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Fluoronaphthalene Molarity Calculator

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Preparing Stock Solutions of Fluoronaphthalene

1 mg 5 mg 10 mg 20 mg 25 mg
1 mM 6.8493 mL 34.2466 mL 68.4932 mL 136.9863 mL 171.2329 mL
5 mM 1.3699 mL 6.8493 mL 13.6986 mL 27.3973 mL 34.2466 mL
10 mM 0.6849 mL 3.4247 mL 6.8493 mL 13.6986 mL 17.1233 mL
50 mM 0.137 mL 0.6849 mL 1.3699 mL 2.7397 mL 3.4247 mL
100 mM 0.0685 mL 0.3425 mL 0.6849 mL 1.3699 mL 1.7123 mL
* Note: If you are in the process of experiment, it's necessary to make the dilution ratios of the samples. The dilution data above is only for reference. Normally, it's can get a better solubility within lower of Concentrations.

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References on Fluoronaphthalene

A Validated RP-HPLC Method for the Analysis of 1-Fluoronaphthalene and Its Process-Related Impurities.[Pubmed:25713107]

J Chromatogr Sci. 2015 Sep;53(8):1296-302.

A simple and precise reversed-phase high-performance liquid chromatography method was developed and validated for the determination of 1-Fluoronaphthalene and its process-related impurities, 1-aminonaphthalene, 1-nitronaphthalene, naphthalene and 2-Fluoronaphthalene. 1-Fluoronaphthalene is the key starting material for the synthesis of duloxetine hydrochloride active pharmaceutical ingredient and is therefore a potential impurity of the API. The determination of the impurity profile is critical for the safety assessment of a substance and manufacturing process thereof. In duloxetine hydrochloride active pharmaceutical ingredient, only 1-Fluoronaphthalene is detected and neither of its related impurities of 1-aminonaphthalene, 1-nitronaphthalene, naphthalene and 2-Fluoronaphthalene. Chromatography was carried out on a Symmetry C18 (250 x 4.6 mm, 5 mum) column, using mobile phase A-a mixture of 0.01 Mu KH2PO4 buffer (pH 2.5 +/- 0.1):methanol:acetonitrile in the ratio of 35:52:13 v/v/v and mobile phase B-a mixture of methanol:acetonitrile in the ratio of 80:20 v/v at a flow rate of 1.0 mL/min. The analytes were monitored using photo diode array detector at 230 nm. The proposed method is found to be having linearity in the concentration of 0.075-5.000 mug/mL, 0.150-5.000 mug/mL, 0.3125-5.000 mug/mL and 0.3125-5.000 mug/mL for 1-aminonaphthalene, 1-nitronaphthalene, naphthalene and 2-Fluoronaphthalene, respectively, with correlation coefficients of 0.9998, 0.9998, 0.9997 and 0.9997, respectively. The proposed method was validated as per the International Conference on Harmonization guidelines. The mean recoveries for all the studied impurities are in the range of 90-110%. Due to its specificity, high precision and accuracy, the developed method can be used for the determination of 1-Fluoronaphthalene, key starting material for the synthesis of duloxetine hydrochloride API.

Sensitive determination of fluoride in biological samples by gas chromatography-mass spectrometry after derivatization with 2-(bromomethyl)naphthalene.[Pubmed:25441893]

Anal Chim Acta. 2014 Dec 10;852:162-7.

A gas chromatography-mass spectrometric method was developed in this study in order to determine fluoride in plasma and urine after derivatization with 2-(bromomethyl)naphthalene. 2-Fluoronaphthalene was chosen as the internal standard. The derivatization of fluoride was performed in the biological sample and the best reaction conditions (10.0 mg mL(-1) of 2-(bromomethyl)naphthalene, 1.0 mg mL(-1) of 15-crown-5-ether as a phase transfer catalyst, pH of 7.0, reaction temperature of 70 degrees C, and heating time of 70 min) were established. The organic derivative was extracted with dichloromethane and then measured by a gas chromatography-mass spectrometry. Under the established condition, the detection limits were 11 mug L(-1) and 7 mug L(-1) by using 0.2 mL of plasma or urine, respectively. The accuracy was in a range of 100.8-107.6%, and the precision of the assay was less than 4.3% in plasma or urine. Fluoride was detected in a concentration range of 0.12-0.53 mg L(-1) in six urine samples after intake of natural mineral water containing 0.7 mg L(-1) of fluoride.

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