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| Activity Type | Activity Value -log(M) | Mechanism of Action | Activity Reference | Publications (PubMed IDs) |
|---|
Moligand™, ≥98% Moligand™ for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Store at -20°C Ships Ice chest + Ice pads Check lot-specific COA for exact specifications.
SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.
Cited in 0 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
Information
Avapritinib (BLU-285) is a small molecule kinase inhibitor that potently inhibitsPDGFRα D842Vmutant activity in vitro (IC50 = 0.5 nM) and PDGFRα D842V autophosphorylation in the cellular setting (IC50 = 30 nM); also a potent inhibitor of the analogousKit (c-Kit)mutation, D816V in Kit (c-Kit) Exon 17 (IC50 = 0.5 nM).
Targets
PDGFRα (D842V) ; c-Kit (D816V) 0.5 nM; 0.5 nM
In vitro
BLU-285 is a selective oral inhibitor that targets KIT Exon 17 and PDGFRα D842 activation loop mutants. Cellular assays measuring inhibition of KIT mutant autophosphorylation confirm the activity of BLU-285 against the KIT D816 mutants D816V (HMC1.2 cells, IC50 = 3 nM) and D816Y (P815 cells, IC50 = 22 nM) as well as other KIT Exon 17 mutants such as N822K (Kasumi cells, IC50 = 40 nM) found in treatment-refractory GIST.
In vivo
BLU-285 is a well-tolerated, orally bioavailable agent that achieves dose dependent tumor growth inhibition in a D816Y-driven xenograft model. A PK-PD-efficacy relationship with BLU-285 has been established demonstrating that tumor regression results from >90% target suppression and is observed with 30 mg/kg once daily dosing. With potent activity against PDGFRα D842V and KIT Exon 17 mutants, BLU-285 targets previously unaddressed genomic drivers of disease and provides promise for the treatment of PDGFRα D842V-driven GIST(gastrointestinal stromal tumor) or SM(systemic mastocytosis), where more than 90% of patients carry the KIT D816V mutation. Besides single agent activity, the highly selective BLU-285 offers an opportunity for combination with other agents in GIST to cover the entirety of KIT primary and resistance mutants.
| ALogP | 1.9 |
|---|
| Pubchem Sid | 504772846 |
|---|---|
| Pubchem Sid Url | https://pubchem.ncbi.nlm.nih.gov/substance/504772846 |
| Canonical Smiles | CC(C1=CC=C(C=C1)F)(C2=CN=C(N=C2)N3CCN(CC3)C4=NC=NN5C4=CC(=C5)C6=CN(N=C6)C)N |
| IUPAC Name | (1S)-1-(4-fluorophenyl)-1-[2-[4-[6-(1-methylpyrazol-4-yl)pyrrolo[2,1-f][1,2,4]triazin-4-yl]piperazin-1-yl]pyrimidin-5-yl]ethanamine |
| InChIKey | DWYRIWUZIJHQKQ-SANMLTNESA-N |
| INCHI | 1S/C26H27FN10/c1-26(28,20-3-5-22(27)6-4-20)21-13-29-25(30-14-21)36-9-7-35(8-10-36)24-23-11-18(16-37(23)33-17-31-24)19-12-32-34(2)15-19/h3-6,11-17H,7-10,28H2,1-2H3/t26-/m0/s1 |
| Isomeric SMILES | C[C@](C1=CC=C(C=C1)F)(C2=CN=C(N=C2)N3CCN(CC3)C4=NC=NN5C4=CC(=C5)C6=CN(N=C6)C)N |
| Molecular Weight | 498.56 |
| Reaxy-Rn | 28010820 |
| Reaxys-RN_link_address | https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=28010820&ln= |
Comprehensive hazard, handling, storage, and regulatory compliance document.
Download SDS →Lot-specific quality data. Enter your lot number to retrieve the exact COA.
Look up COA →Full quality attributes and acceptance criteria for this grade.
View spec sheet →Taxonomy Tree
| Kingdom | Organic compounds |
|---|---|
| Superclass | Organoheterocyclic compounds |
| Class | Diazinanes |
| Subclass | Piperazines |
| Intermediate Tree Nodes | Not available |
| Direct Parent | N-arylpiperazines |
| Alternative Parents | Pyrrolo[2,1-f][1,2,4]triazines Dialkylarylamines Fluorobenzenes Aralkylamines Aminopyrimidines and derivatives Substituted pyrroles Imidolactams Aryl fluorides 1,2,4-triazines Pyrazoles Heteroaromatic compounds Azacyclic compounds Organopnictogen compounds Organofluorides Monoalkylamines Hydrocarbon derivatives |
| Molecular Framework | Aromatic heteropolycyclic compounds |
| Substituents | N-arylpiperazine - Pyrrolo[2,1-f][1,2,4]triazine - Dialkylarylamine - Aralkylamine - Halobenzene - Fluorobenzene - Aminopyrimidine - 1,2,4-triazine - Imidolactam - Benzenoid - Triazine - Substituted pyrrole - Pyrimidine - Monocyclic benzene moiety - Aryl halide - Aryl fluoride - Heteroaromatic compound - Pyrrole - Pyrazole - Azole - Azacycle - Organic nitrogen compound - Organopnictogen compound - Hydrocarbon derivative - Primary amine - Organonitrogen compound - Organofluoride - Organohalogen compound - Primary aliphatic amine - Amine - Aromatic heteropolycyclic compound |
| Description | This compound belongs to the class of organic compounds known as n-arylpiperazines. These are organic compounds containing a piperazine ring where the nitrogen ring atom carries an aryl group. |
| External Descriptors | Not available |
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Find and download the COA for your product by matching the lot number on the packaging.
| Lot Number | Certificate Type | Date | Item |
|---|---|---|---|
| Certificate of Analysis | May 11, 2026 | A414052 | |
| Certificate of Analysis | May 11, 2026 | A414052 | |
| Certificate of Analysis | May 11, 2026 | A414052 | |
| Certificate of Analysis | May 11, 2026 | A414052 | |
| Certificate of Analysis | May 11, 2026 | A414052 | |
| Certificate of Analysis | May 11, 2026 | A414052 | |
| Certificate of Analysis | May 11, 2026 | A414052 | |
| Certificate of Analysis | May 11, 2026 | A414052 | |
| Certificate of Analysis | Aug 11, 2022 | A414052 |
| Solubility | Solubility (25°C) In vitro DMSO: 100 mg/mL (200.57 mM); Water: Insoluble; Ethanol: Insoluble; |
|---|---|
| Molecular Weight | 498.600 g/mol |
| XLogP3 | 1.900 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 9 |
| Rotatable Bond Count | 5 |
| Exact Mass | 498.24 Da |
| Monoisotopic Mass | 498.24 Da |
| Topological Polar Surface Area | 106.000 Ų |
| Heavy Atom Count | 37 |
| Formal Charge | 0 |
| Complexity | 752.000 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 1 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| The total count of all stereochemical bonds | 0 |
| Covalently-Bonded Unit Count | 1 |
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