Cat. No.: HY-10424

Milciclib

(Synonyms: PHA-848125)

7 Cited Publications

Customer Review

Based on 7 publication(s) in Google Scholar

Milciclib (PHA-848125) is a potent, ATP-competitive and dual inhibitor of CDK and Tropomyosin receptor kinase (TRK), with IC₅₀s of 45, 150, 160, 363, 398 nM and 53 nM for cyclin A/CDK2, cyclin H/CDK7, cyclin D1/CDK4, cyclin E/CDK2, cyclin B/CDK1 and TRKA, respectively.

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

Purity: 99.57%
CAS No.: 802539-81-7
Formula: C₂₅H₃₂N₈O
Molecular Weight:460.57

Storage:

Powder -20°C, 3 years , 4°C, 2 years ; In solvent -80°C, 2 years , -20°C, 1 year

Milciclib Chemical Structure

CAS No.: 802539-81-7

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Top Publications Citing

Use of MCE Products

Fluorescent Dye

Strong Fluorescence Signal / Multi-Disciplinary Applications / High Fluorescence Specificity

Biological Activity
- Description
- IC₅₀ & Target
- Cellular Effect
- In Vitro
- In Vivo
- Clinical Trial
Chemical Information
Publications (7)
Solvent & Solubility
- In Vitro
- In Vivo
Protocol
Purity & Documentation
References
Help & FAQs
Bioz

Biological Activity

Description

IC₅₀ & Target^[1]

cyclin A/CDK2

45 nM (IC₅₀)

cyclin E/CDK2

363 nM (IC₅₀)

cyclin H/CDK7

150 nM (IC₅₀)

cyclin D1/CDK4

160 nM (IC₅₀)

cyclin B/CDK1

398 nM (IC₅₀)

TRKA

53 nM (IC₅₀)

All CDK Isoforms :

Cellular Effect

Cell Line	Type	Value	Description	References
A2780	IC₅₀	0.2 μM Compound: 28, PHA-848125	Antiproliferative activity against human A2780 cells after 72 hrs by cell Titer_Glo assay Antiproliferative activity against human A2780 cells after 72 hrs by cell Titer_Glo assay	[PMID: 19603809]
HEK-293T	IC₅₀	1.5 μM Compound: Milciclib; PHA-848125	Antiproliferative activity against HEK293T cells measured after 72 hrs by CellTiter-Blue assay Antiproliferative activity against HEK293T cells measured after 72 hrs by CellTiter-Blue assay	[PMID: 28792760]
HeLa	IC₅₀	4 μM Compound: 7; MMV676602	Cytotoxicity against human HeLa cells assessed as reduction in cell viability after 48 hrs by resazurin dye based fluorescence assay Cytotoxicity against human HeLa cells assessed as reduction in cell viability after 48 hrs by resazurin dye based fluorescence assay	[PMID: 30647879]
MDA-MB-231	IC₅₀	0.31 μM Compound: Milciclib; PHA-848125	Antiproliferative activity against human MDA-MB-231 cells measured after 72 hrs by CellTiter-Blue assay Antiproliferative activity against human MDA-MB-231 cells measured after 72 hrs by CellTiter-Blue assay	[PMID: 28792760]
MDA-MB-231	IC₅₀	0.31 μM Compound: 35	Antiproliferative activity against human MDA-MB-231 cells Antiproliferative activity against human MDA-MB-231 cells	[PMID: 32688199]
MM1.S	IC₅₀	0.72 μM Compound: Milciclib; PHA-848125	Antiproliferative activity against human MM1S cells measured after 72 hrs by CellTiter-Blue assay Antiproliferative activity against human MM1S cells measured after 72 hrs by CellTiter-Blue assay	[PMID: 28792760]
Sf9	IC₅₀	0.22 μM Compound: Milciclib	Inhibition of GST-tagged CDK4/cyclin D1 (unknown origin) expressed in Baculovirus infected Sf9 cells using RPPTLSPIPHIPR peptide as substrate in presence of [gamma-33P]-ATP by radiometric filter binding assay Inhibition of GST-tagged CDK4/cyclin D1 (unknown origin) expressed in Baculovirus infected Sf9 cells using RPPTLSPIPHIPR peptide as substrate in presence of [gamma-33P]-ATP by radiometric filter binding assay	[PMID: 30234987]
Sf9	IC₅₀	0.27 μM Compound: Milciclib	Inhibition of GST-tagged CDK7/cyclinH/MAT1 (unknown origin) expressed in Baculovirus infected Sf9 cells using YSPTSPS-2 KK peptide as substrate as substrate in presence of [gamma-33P]-ATP by radiometric filter binding assay Inhibition of GST-tagged CDK7/cyclinH/MAT1 (unknown origin) expressed in Baculovirus infected Sf9 cells using YSPTSPS-2 KK peptide as substrate as substrate in presence of [gamma-33P]-ATP by radiometric filter binding assay	[PMID: 30234987]
Sf9	IC₅₀	0.383 μM Compound: Milciclib	Inhibition of GST-tagged CDK5/p25 (unknown origin) expressed in Baculovirus infected Sf9 cells using histone H1 as substrate as substrate in presence of [gamma-33P]-ATP by radiometric filter binding assay Inhibition of GST-tagged CDK5/p25 (unknown origin) expressed in Baculovirus infected Sf9 cells using histone H1 as substrate as substrate in presence of [gamma-33P]-ATP by radiometric filter binding assay	[PMID: 30234987]
Sf9	IC₅₀	0.59 μM Compound: Milciclib	Inhibition of His-tagged CDK2/cyclin E (unknown origin) expressed in Baculovirus infected Sf9 cells using histone H1 as substrate in presence of [gamma-33P]-ATP by radiometric filter binding assay Inhibition of His-tagged CDK2/cyclin E (unknown origin) expressed in Baculovirus infected Sf9 cells using histone H1 as substrate in presence of [gamma-33P]-ATP by radiometric filter binding assay	[PMID: 30234987]
Sf9	IC₅₀	1.2 μM Compound: Milciclib	Inhibition of His-tagged CDK1/cyclin B1 (unknown origin) expressed in Baculovirus infected Sf9 cells using histone H1 as substrate in presence of [gamma-33P]-ATP by radiometric filter binding assay Inhibition of His-tagged CDK1/cyclin B1 (unknown origin) expressed in Baculovirus infected Sf9 cells using histone H1 as substrate in presence of [gamma-33P]-ATP by radiometric filter binding assay	[PMID: 30234987]
Sf9	IC₅₀	7.7 μM Compound: Milciclib	Inhibition of GST-tagged CDK9/CyclinT1 (unknown origin) expressed in Baculovirus infected Sf9 cells using YSPTSPS-2 KK peptide as substrate as substrate in presence of [gamma-33P]-ATP by radiometric filter binding assay Inhibition of GST-tagged CDK9/CyclinT1 (unknown origin) expressed in Baculovirus infected Sf9 cells using YSPTSPS-2 KK peptide as substrate as substrate in presence of [gamma-33P]-ATP by radiometric filter binding assay	[PMID: 30234987]

In Vitro

Milciclib (PHA-848125; 0.156 or 0.625 μM) up-regulates the expression of PDCD4, DDIT4, SESN2/sestrin 2 and DEPDC6/DEPTOR in GL-Mel cells^[1]. Milciclib (PHA-848125) potently inhibits the kinase activity of CDK2/cyclin A complex and of TRKA in a biochemical assay, with IC₅₀s of 45 and 53 nM, respectively. Milciclib induces a clear accumulation of cells in G1 phase. Milciclib strongly inhibits NGF-induced phosphorylation of TRKA in a dose-dependent manner^[2].

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

In Vivo

Milciclib (PHA-848125; 5, 10, and 15 mg/kg, p.o.) inhibits the growth of tumor in 7,12-dimethylbenz(a) anthracene (DMBA)-induced rat mammary carcinoma model. Milciclib has significant antitumor activity in various human xenografts and carcinogen-induced tumors as well as in disseminated primary leukemia models, with plasma concentrations in rodents in the same range as those found active in inhibiting cancer cell proliferation^[2]. Milciclib (PHA-848125; 40 mg/kg) induces a significant tumor growth inhibition in K-Ras^G12DLA2 mice, and this is accompanied by a reduction in the cell membrane turnover^[3].

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

Clinical Trial

NCT Number	Sponsor	Condition	Start Date	Phase A549
NCT01329991	Plexxikon\|		2011-05	PHASE1

Chemical Information

CAS No. 802539-81-7
Appearance Solid
Molecular Weight 460.57
Formula C₂₅H₃₂N₈O
Color Light yellow to yellow
SMILES

O=C(NC)C1=NN(C2=C1C(C)(CC3=CN=C(N=C23)NC4=CC=C(C=C4)N5CCN(CC5)C)C)C
Synonyms

PHA-848125
Shipping

Room temperature in continental US; may vary elsewhere.

Storage

Powder	-20°C	3 years
	4°C	2 years
In solvent	-80°C	2 years
	-20°C	1 year

Publications (7)

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Sci Transl Med

PP2A inhibition is a druggable MEK inhibitor resistance mechanism in KRAS-mutant lung cancer cells. [Abstract]

2018 Jul 18;10(450):eaaq1093. PMID: 30021885
J Exp Med

WEE1 inhibition induces anti-tumor immunity by activating ERV and the dsRNA pathway. [Abstract]

2022 Jan 3;219(1):e20210789. PMID: 34825915
Sci Rep

Pre-therapeutic efficacy of the CDK inhibitor dinaciclib in medulloblastoma cells. [Abstract]

2021 Mar 8;11(1):5374. PMID: 33686114
Sci Rep

Analysis of the "centrosome-ome" identifies MCPH1 deletion as a cause of centrosome amplification in human cancer. [Abstract]

2020 Jul 17;10(1):11921. PMID: 32681070
Arch Pharm (Weinheim)

Discovery of potent CSK inhibitors through integrated virtual screening and molecular dynamic simulation. [Abstract]

2024 Sep;357(9):e2400066. PMID: 38809025
University of Washington

2025.
Technical University of Munich

24.01.2018.

Solvent & Solubility

In Vitro:

DMSO : 20 mg/mL (43.42 mM; Need ultrasonic; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)

View the Complete Stock Solution Preparation Table

Preparing Stock Solutions

View the Complete Stock Solution Preparation Table

Concentration Solvent Mass

1 mg

5 mg

10 mg

Concentration

Solvent

Mass

1 mM

2.1712 mL

10.8561 mL

21.7122 mL

5 mM

0.4342 mL

2.1712 mL

4.3424 mL

10 mM

0.2171 mL

1.0856 mL

2.1712 mL

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, 2 years; -20°C, 1 year. When stored at -80°C, please use it within 2 years. When stored at -20°C, please use it within 1 year.

Molarity Calculator

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

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Molecular Weight Molecular Weight

Dilution Calculator

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

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In Vivo:

Select the appropriate dissolution method based on your experimental animal and administration route.

Stock Solution Working Solution

For the following dissolution methods, please ensure to first prepare a clear stock solution using an In Vitro approach and then sequentially add co-solvents:
To ensure reliable experimental results, the clarified stock solution can be appropriately stored based on storage conditions. As for the working solution for In Vivo experiments, it is recommended to prepare freshly and use it on the same day.
The percentages shown for the solvents indicate their volumetric ratio in the final prepared solution. If precipitation or phase separation occurs during preparation, heat and/or sonication can be used to aid dissolution.

Protocol 1

Add each solvent one by one: 10% DMSO 40% PEG300 5% Tween-80 45% Saline

Solubility: ≥ 2 mg/mL (4.34 mM); Clear solution

This protocol yields a clear solution of ≥ 2 mg/mL (saturation unknown).

Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (20.0 mg/mL) to 400 μL PEG300, and mix evenly; then add 50 μL Tween-80 and mix evenly; then add 450 μL Saline to adjust the volume to 1 mL.

Protocol 2

Add each solvent one by one: 10% DMSO 90% (20% SBE-β-CD in Saline)

Solubility: ≥ 2 mg/mL (4.34 mM); Clear solution

This protocol yields a clear solution of ≥ 2 mg/mL (saturation unknown).

Taking 1 mL working solution as an example, add 100 μL DMSO stock solution (20.0 mg/mL) to 900 μL 20% SBE-β-CD in Saline, and mix evenly.

In Vivo Dissolution Calculator

Please enter the basic information of animal experiments:

Dosage Dosage
mg/kg
Animal Weight (Per Animal) Animal Weight (Per Animal)
g
Dosing Volume (Per Animal) Dosing Volume (Per Animal)
μL
Number of Animals Number of Animals

Recommended: Prepare an additional quantity of animals to account for potential losses during experiments.

Recommended: Prepare an additional quantity of animals to account for potential losses during experiments.

Please enter your animal formula composition:

%
DMSO +

Recommended: Keep the proportion of DMSO in working solution below 2% if your animal is weak.
%
+
+
%
Tween-80 + +
%
Saline +

The co-solvents required include: DMSO, . All of co-solvents are available by MedChemExpress (MCE). , Tween 80. All of co-solvents are available by MedChemExpress (MCE).

Working solution concentration: 0.22 mg/mL

Protocol

Cell Assay^[2]

Cells are seeded into 96- or 384-well plates at densities ranging from 10,000 to 30,000/cm² in appropriate medium plus 10% FCS. After 24 hours, cells are treated in duplicate with serial dilutions of Milciclib, and 72 hours later, viable cell number is assessed using the CellTiter-Glo Assay. IC₅₀s are calculated using a Sigmoidal fitting algorithm. Experiments are done independently at least twice.

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

Animal Administration^[2]

Rats are randomized and introduced into the study when at least one mammary tumor attained a diameter of 0.5 cm. Groups of 10 animals are treated orally twice a day continuously for 10 days with vehicle (glucosate) or with 5, 10, and 15 mg/kg of Milciclib, whereas a further group receives two cycles of Milciclib at 20 mg/kg orally twice a day for 5 days with an intervening rest period of 1 week. Tumor volume is measured regularly by caliper for the duration of the experiment.

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

Purity & Documentation

Select Batch:

Purity: 99.98%

Assay: 99.98%

ee.: 99.98%

Data Sheet (279 KB)
SDS (396 KB)
- English - EN (396 KB)
- Français - FR (396 KB)
- Deutsch - DE (396 KB)
- Norwegian - NO (396 KB)
- Español - ES (396 KB)
- Swedish - SV (396 KB)
- Italian - IT (396 KB)
- Portuguese - PT (396 KB)
COA (2659 KB)
Elemental Analysis Report (2659 KB)
HNMR (2659 KB)
CNMR (2659 KB)
RP-HPLC (2659 KB)
NP-HPLC (2659 KB)
MS (2659 KB)
LCMS (2659 KB)
IR (2659 KB)
GC (2659 KB)
OR (2659 KB)
SDS-PAGE (2659 KB)
SEC-HPLC (2659 KB)
Other Report (2659 KB)
Handling Instructions (2659 KB)

References

[1]. Caporali S, Alvino E, Levati L, Esposito AI, Ciomei M, Brasca MG, Del Bufalo D, Desideri M, Bonmassar E, Pfeffer U, D'Atri S. Down-regulation of the PTTG1 proto-oncogene contributes to the melanoma suppressive effects of the cyclin-dependent kinase inhibitor PHA-848125. Biochem Pharmacol. 2012 Sep 1;84(5):598-611. [Content Brief]

[2]. Albanese C, Alzani R, Amboldi N, Avanzi N, Ballinari D, Brasca MG, Festuccia C, Fiorentini F, Locatelli G, Pastori W, Patton V, Roletto F, Colotta F, Galvani A, Isacchi A, Moll J, Pesenti E, Mercurio C, Ciomei M. Dual targeting of CDK and tropomyosin receptor kinase families by the oral inhibitor PHA-848125, an agent with broad-spectrum antitumor efficacy. Mol Cancer Ther. 2010 Aug;9(8):2243-54. [Content Brief]

[3]. Degrassi A, et al. Efficacy of PHA-848125, a cyclin-dependent kinase inhibitor, on the K-Ras(G12D)LA2 lung adenocarcinoma transgenic mouse model: evaluation by multimodality imaging. Mol Cancer Ther. 2010 Mar;9(3):673-81. [Content Brief]

[4]. Brasca, M.G., et al. Identification of N,1,4,4-tetramethyl-8-{[4-(4-methylpiperazin-1-yl)phenyl]amino}-4,5-dihydro-1H-pyrazolo[4,3-h]quinazoline-3-carboxamide (PHA-848125), a potent, orally available cyclin dependent kinase inhibitor. J. Med. Chem. 52(16), 5152-5163 (2009). [Content Brief]

Help & FAQs

How should lyophilized recombinant proteins be reconstituted and stored?

1. Before opening the cap, centrifuge the vial at 13000 rpm for 20-30 seconds. This step will ensure that any lyophilized powder that may have adhered to the cap or walls is collected at the bottom of the vial, minimizing the risk of product loss.

Complete Stock Solution Preparation Table

Storage method and period of stock solution: -80°C, 2 years; -20°C, 1 year. When stored at -80°C, please use it within 2 years. When stored at -20°C, please use it within 1 year.

Optional Solvent	Concentration Solvent Mass	1 mg	5 mg	10 mg	25 mg
DMSO	1 mM	2.1712 mL	10.8561 mL	21.7122 mL	54.2806 mL
	5 mM	0.4342 mL	2.1712 mL	4.3424 mL	10.8561 mL
	10 mM	0.2171 mL	1.0856 mL	2.1712 mL	5.4281 mL
	15 mM	0.1447 mL	0.7237 mL	1.4475 mL	3.6187 mL
	20 mM	0.1086 mL	0.5428 mL	1.0856 mL	2.7140 mL
	25 mM	0.0868 mL	0.4342 mL	0.8685 mL	2.1712 mL
	30 mM	0.0724 mL	0.3619 mL	0.7237 mL	1.8094 mL
	40 mM	0.0543 mL	0.2714 mL	0.5428 mL	1.3570 mL

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Milciclib

Cell Cycle/DNA Damage Compound Library

Kinase Inhibitor Library

Anti-Cancer Compound Library

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Publications Citing Use of MedChemExpress (MCE) Milciclib

All CDK Isoforms

Biological Activity

Chemical Information

Publications (7)

Solvent & Solubility

Protocol

Purity & Documentation

References

Help & FAQs

Complete Stock Solution Preparation Table

Milciclib Related Classifications

Cat. No.: HY-10424