[CAS NO. 1420477-60-6]  Acalabrutinib

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PRODUCTS SPECIFICATIONS [1420477-60-6]

Catalog
HY-17600
Brand
MCE
CAS
1420477-60-6

DESCRIPTION [1420477-60-6]

Overview

MDLMFCD29472294
Molecular Weight465.51
Molecular FormulaC26H23N7O2
SMILESO=C(NC1=NC=CC=C1)C2=CC=C(C3=C4C(N)=NC=CN4C([C@H]5N(C(C#CC)=O)CCC5)=N3)C=C2

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


Summary

Acalabrutinib (ACP-196) is an orally active, irreversible, and highly selective second-generation BTK inhibitor. Acalabrutinib binds covalently to Cys481 in the ATP-binding pocket of BTK . Acalabrutinib demonstrates potent on-target effects and efficacy in mouse models of chronic lymphocytic leukemia (CLL) [1] [2] .


IC50 & Target

IC50: 3 nM (BTK in CD69 B cell) [2]


In Vitro

Acalabrutinib (ACP-196) inhibits tyrosine phosphorylation of downstream targets of ERK, IKB, and AKT, in the in vitro signaling assay on primary human CLL cells. In the human CLL NSG xenograft model, Acalabrutinib demonstrates on-target effects including decreased phosphorylation of PLCγ2, ERK and significant inhibition of CLL cell proliferation [1] .
Acalabrutinib inhibits purified BTK with an IC 50 of 3 nM and an EC 50 of 8 nM in a human whole-blood CD69 B cell activation assay. Acalabrutinib has improved target specificity over ibrutinib with 323-, 94-, 19-, and 9-fold selectivity over the other TEC kinase family members (ITK, TXK, BMX, and TEC , respectively) and no activity against EGFR [2] .

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


In Vivo

Acalabrutinib (100 mg twice per day) assessed for thrombus formation at injured arterioles of the mice, exhibits more selective for inhibiting BTK and has virtually no inhibition of platelet activity [1] .

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


Clinical Trial

NCT Number Sponsor Condition Start Date Phase
NCT04722172 Memorial Sloan Kettering Cancer Center|AstraZeneca|Genentech, Inc.
Chronic Lymphocytic Leukemia|Small Lymphocytic Lymphoma
May 21, 2021 Phase 2
NCT04626791 Academic and Community Cancer Research United|National Cancer Institute (NCI)
Mantle Cell Lymphoma
August 3, 2021 Phase 2
NCT04529772 Acerta Pharma BV|AstraZeneca
Diffuse Large B-Cell Lymphoma
October 8, 2020 Phase 3

Appearance

Solid


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 : 250 mg/mL ( 537.05 mM ; Need ultrasonic)

Preparing
Stock Solutions
Concentration Solvent Mass 1 mg 5 mg 10 mg
1 mM 2.1482 mL 10.7409 mL 21.4818 mL
5 mM 0.4296 mL 2.1482 mL 4.2964 mL
10 mM 0.2148 mL 1.0741 mL 2.1482 mL
* Please refer to the solubility information to select the appropriate solvent.
In Vivo:
  • 1.

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

    Solubility: ≥ 2.08 mg/mL (4.47 mM); Clear solution

  • 2.

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

    Solubility: ≥ 2.08 mg/mL (4.47 mM); Clear solution

  • 3.

    Add each solvent one by one: 10% DMSO >> 90% corn oil

    Solubility: ≥ 2.08 mg/mL (4.47 mM); Clear solution

* All of the co-solvents are available by MCE.


Synonyms

Benzamide, 4-[8-amino-3-[(2S)-1-(1-oxo-2-butyn-1-yl)-2-pyrrolidinyl]imidazo[1,5-a]pyrazin-1-yl]-N-2-pyridinyl-
4-[8-Amino-3-[(2S)-1-(1-oxo-2-butyn-1-yl)-2-pyrrolidinyl]imidazo[1,5-a]pyrazin-1-yl]-N-2-pyridinylbenzamide
Acalabrutinib
ACP 196
(S)-4-[8-Amino-3-[1-(but-2-ynoyl)pyrrolidin-2-yl]imidazo[1,5-a]pyrazin-1-yl]-N-(pyridin-2-yl)benzamide
Calquence