1. MAPK/ERK Pathway Stem Cell/Wnt Cell Cycle/DNA Damage
  2. p38 MAPK Casein Kinase
  3. AMG-548

AMG-548, an orally active and selective p38α inhibitor (Ki=0.5 nM), shows slightly selective over p38β (Ki=36 nM) and >1000 fold selective against p38γ and p38δ. AMG 548 is also extremely potent in the inhibition of whole blood LPS stimulated TNFα (IC50=3 nM). AMG-548 inhibits Wnt signaling by directly inhibiting Casein kinase 1 isoforms δ and ε.

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

AMG-548 Chemical Structure

AMG-548 Chemical Structure

CAS No. : 864249-60-5

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Based on 1 publication(s) in Google Scholar

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Description

AMG-548, an orally active and selective p38α inhibitor (Ki=0.5 nM), shows slightly selective over p38β (Ki=36 nM) and >1000 fold selective against p38γ and p38δ. AMG 548 is also extremely potent in the inhibition of whole blood LPS stimulated TNFα (IC50=3 nM)[1]. AMG-548 inhibits Wnt signaling by directly inhibiting Casein kinase 1 isoforms δ and ε[2].

IC50 & Target[1][2]

p38α

0.5 nM (Ki)

p38β

3.6 nM (Ki)

p38δ

2600 nM (Ki)

p38γ

4100 nM (Ki)

dog p38α

5.0 nM (Ki)

JNK1

11480 nM (Ki)

JNK2

39 nM (Ki)

JNK3

61 nM (Ki)

CK1

 

In Vitro

AMG-548 shows >1000 fold selective against p38γ (Ki=2600 nM) and p38δ (ki=4100 nM). AMG-548 has an modest selectivity against JNK2 (ki=39 nM) and JNK3 (ki=61 nM). AMG-548 is also extremely potent in the inhibition of whole blood LPS stimulated TNFa (IC50=3 nM) and IL1b (IC50=7 nM) as well as TNFa induced IL-8 (IC50=0.7 nM) and IL-1b induced IL-6 (IC5050=1.3 nM) in human whole blood[1].
AMG-548 (10 μM) inhibits the hDvl2 shift[2].

MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.

In Vivo

AMG-548 has rat F of 62% and dog F of 47%. The t1/2 is 4.6 hours in rats and 7.3 hours in dogs[1].

MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.

Molecular Weight

461.56

Formula

C29H27N5O

CAS No.
Appearance

Solid

Color

Light yellow to yellow

SMILES

O=C1N(C)C(NC[C@@H](N)CC2=CC=CC=C2)=NC(C3=CC=NC=C3)=C1C4=CC=C5C=CC=CC5=C4

Shipping

Room temperature in continental US; may vary elsewhere.

Storage
Powder -20°C 3 years
In solvent -80°C 6 months
-20°C 1 month
Solvent & Solubility
In Vitro: 

DMSO : 100 mg/mL (216.66 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 2.1666 mL 10.8328 mL 21.6657 mL
5 mM 0.4333 mL 2.1666 mL 4.3331 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.

  • Molarity Calculator

  • Dilution Calculator

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

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

This equation is commonly abbreviated as: C1V1 = C2V2

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In Vivo Dissolution Calculator
Please enter the basic information of animal experiments:

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g

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(per animal)

μL

Number of animals

Recommended: Prepare an additional quantity of animals to account for potential losses during experiments.
Calculation results:
Working solution concentration: mg/mL
Purity & Documentation

Purity: ≥99.0% ee.: 100%

References

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.

Optional Solvent Concentration Solvent Mass 1 mg 5 mg 10 mg 25 mg
DMSO 1 mM 2.1666 mL 10.8328 mL 21.6657 mL 54.1641 mL
5 mM 0.4333 mL 2.1666 mL 4.3331 mL 10.8328 mL
10 mM 0.2167 mL 1.0833 mL 2.1666 mL 5.4164 mL
15 mM 0.1444 mL 0.7222 mL 1.4444 mL 3.6109 mL
20 mM 0.1083 mL 0.5416 mL 1.0833 mL 2.7082 mL
25 mM 0.0867 mL 0.4333 mL 0.8666 mL 2.1666 mL
30 mM 0.0722 mL 0.3611 mL 0.7222 mL 1.8055 mL
40 mM 0.0542 mL 0.2708 mL 0.5416 mL 1.3541 mL
50 mM 0.0433 mL 0.2167 mL 0.4333 mL 1.0833 mL
60 mM 0.0361 mL 0.1805 mL 0.3611 mL 0.9027 mL
80 mM 0.0271 mL 0.1354 mL 0.2708 mL 0.6771 mL
100 mM 0.0217 mL 0.1083 mL 0.2167 mL 0.5416 mL
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Help & FAQs
  • Do most proteins show cross-species activity?

    Species cross-reactivity must be investigated individually for each product. Many human cytokines will produce a nice response in mouse cell lines, and many mouse proteins will show activity on human cells. Other proteins may have a lower specific activity when used in the opposite species.

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Product Name:
AMG-548
Cat. No.:
HY-108642
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