Leflunomide impurity 7

Cat. No.: HY-78861: Data Sheet
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Handling Instructions
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Leflunomide impurity 7 is an impurity of Leflunomide.

For research use only. We do not sell to patients.

Leflunomide impurity 7 Chemical Structure

CAS No. : 24522-30-3

Size	Stock	Quantity

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Solid + Solvent (Highly Recommended)
10 mM * 1 mL in DMSO ready for reconstitution	In-stock	Estimated Time of Arrival: December 31
Solution
10 mM * 1 mL in DMSO	In-stock	Estimated Time of Arrival: December 31
Solid
100 mg	In-stock	Estimated Time of Arrival: December 31
250 mg	In-stock	Estimated Time of Arrival: December 31
500 mg	In-stock	Estimated Time of Arrival: December 31
1 g	In-stock	Estimated Time of Arrival: December 31
5 g	In-stock	Estimated Time of Arrival: December 31
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Based on 1 publication(s) in Google Scholar

Other Forms of Leflunomide impurity 7:

2-Cyano-N-[4-(trifluoromethyl)phenyl]acetamide (Standard) Get quote

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Biological Activity
Purity & Documentation
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Description

Leflunomide impurity 7 is an impurity of Leflunomide.

Molecular Weight

228.17

Formula

C₁₀H₇F₃N₂O

CAS No.

24522-30-3

Appearance

Solid

SMILES

N#CCC(=O)NC1=CC=C(C=C1)C(F)(F)F

Shipping

Room temperature in continental US; may vary elsewhere.

Storage

Powder	-20°C	3 years
	4°C	2 years
In solvent	-80°C	6 months
	-20°C	1 month

Solvent & Solubility

In Vitro:

DMSO : 100 mg/mL (438.27 mM; Need ultrasonic; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)

Preparing
Stock Solutions

Concentration Solvent Mass	1 mg	5 mg	10 mg

1 mM	4.3827 mL	21.9135 mL	43.8270 mL
5 mM	0.8765 mL	4.3827 mL	8.7654 mL
10 mM	0.4383 mL	2.1913 mL	4.3827 mL

View the Complete Stock Solution Preparation Table

* Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month. When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.

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Mass (g) = Concentration (mol/L) × Volume (L) × Molecular Weight (g/mol)

Concentration _(start) × Volume _(start) = Concentration _(final) × Volume _(final)

This equation is commonly abbreviated as: C₁V₁ = C₂V₂

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Calculation results:

Working solution concentration: mg/mL

Purity & Documentation

Data Sheet (240 KB) SDS (252 KB) Handling Instructions (2659 KB)

Complete Stock Solution Preparation Table

Optional Solvent	Concentration Solvent Mass	1 mg	5 mg	10 mg	25 mg

DMSO	1 mM	4.3827 mL	21.9135 mL	43.8270 mL	109.5674 mL
	5 mM	0.8765 mL	4.3827 mL	8.7654 mL	21.9135 mL
	10 mM	0.4383 mL	2.1913 mL	4.3827 mL	10.9567 mL
	15 mM	0.2922 mL	1.4609 mL	2.9218 mL	7.3045 mL
	20 mM	0.2191 mL	1.0957 mL	2.1913 mL	5.4784 mL
	25 mM	0.1753 mL	0.8765 mL	1.7531 mL	4.3827 mL
	30 mM	0.1461 mL	0.7304 mL	1.4609 mL	3.6522 mL
	40 mM	0.1096 mL	0.5478 mL	1.0957 mL	2.7392 mL
	50 mM	0.0877 mL	0.4383 mL	0.8765 mL	2.1913 mL
	60 mM	0.0730 mL	0.3652 mL	0.7304 mL	1.8261 mL
	80 mM	0.0548 mL	0.2739 mL	0.5478 mL	1.3696 mL
	100 mM	0.0438 mL	0.2191 mL	0.4383 mL	1.0957 mL