Tuspetinib - ≥99% , CAS No.2294874-49-8

CAS: 2294874-49-8 Cat. No.: T646163 Formula: C₂₉H₃₃ClN₆ Peso molecolare: 501.07 PubChem CID: 135390910

GRADE & PURITY ≥99%

Storage

Protected from light,Store at -80°C

Shipped In

Dry ice packs + Cold packs

Panoramica

Tuspetinib (HM43239) is an orally active and selective FLT3 inhibitor with IC 50 s of 1.1 nM, 1.8 nM and 1.0 nM for FLT3 WT, FLT3 internal tandem duplication (ITD) and FLT3 D835Y kinases, respectively. Tuspetinib inhibits the kinase activity of FLT3 as a reversible type I inhibitor and modulates p-STAT5, p-ERK, SYK , JAK1/2, and TAK1. Tuspetinib inhibits the proliferation and induces the apoptosis of leukemic cells

In Vitro

Tuspetinib potently inhibits the growth of acute myeloid leukemia cell lines harboring FLT3 ITD mutation, such as MV4-11 (IC 50 : 1.3 nM), MOLM-13 (IC 50 : 5.1 nM), and MOLM-14 (IC 50 : 2.9 nM). Tuspetinib also inhibits KG1a cells (CD34+/CD38- cells) proliferation. Tuspetinib induces the caspase 3/7-dependent apoptosis of leukemic stem cell (LSC) marker-expressing KG1a cells (CD34+/CD38- cells). Tuspetinib potently inhibits phosphorylation of SYK, STAT3, and STAT5 in KG1a cells. MCE has not independently confirmed the accuracy of these methods. They are for reference only.

In Vivo

Tuspetinib shows the excellent dose proportional antitumor activity in mouse models xenografted with both MV4-11 and MOLM-13 cell lines without any significant toxicity . Tuspetinib prolongs survival in FLT3 ITD/TKD double mutated xenograft mouse models. MCE has not independently confirmed the accuracy of these methods. They are for reference only.

Form:Solid

IC50& Target:FLT3 WT 1.1 nM (IC 50 ) FLT3 ITD 1.8 nM (IC 50 ) FLT3 D835Y 1.0 nM (IC 50 )

Specifications

Specifiche e purezza

≥99%

Meccanismi biochimici e fisiologici

Tuspetinib (HM43239) is an orally active and selective FLT3 inhibitor with IC 50 s of 1.1 nM, 1.8 nM and 1.0 nM for FLT3 WT, FLT3 internal tandem duplication (ITD) and FLT3 D835Y kinases, respectively. Tuspetinib inhibits the kinase activity of FLT3 as a

Condizioni di conservazione di stoccaggio

Protected from light,Store at -80°C

Spedito in

Dry ice packs + Cold packs

Questo prodotto richiede spedizione a catena fredda. I servizi di terra e altri servizi economici non sono disponibili.

Purezza

≥99%

Nomi e identificatori

• Isomeri SMILES: C[C@@H]1CN(C[C@@H](N1)C)CC2=CC(=CC(=C2)NC3=NC=C(C(=N3)C4=CNC5=C4C=CC(=C5)C)Cl)C6CC6
• PubChem CID: 135390910
• Peso molecolare: 501.07

Proprietà chimiche e fisiche

• Solubilità: DMSO : 125 mg/mL (249.47 mM; Need ultrasonic)
• Peso molecolare: 501.100 g/mol
• XLogP3: 5.800
• Hydrogen Bond Donor Count: 3
• Hydrogen Bond Acceptor Count: 5
• Rotatable Bond Count: 6
• Exact Mass: 500.246 Da
• Monoisotopic Mass: 500.246 Da
• Topological Polar Surface Area: 68.900 Ų
• Heavy Atom Count: 36
• Formal Charge: 0
• Complexity: 725.000
• Isotope Atom Count: 0
• Defined Atom Stereocenter Count: 2
• 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

Application Protocols

The following are general, non-item-specific guidelines for handling small-molecule bioactives in biochemical and cellular assays. Optimize to your system and consult literature for Tuspetinib-specific parameters.

Stock preparation

• Allow vial to equilibrate to room temperature in the dark before opening to prevent condensation. Weigh quickly to minimize moisture exposure.
• Dissolve in anhydrous DMSO to a convenient concentration (e.g., 10–50 mM; general practice). Vortex and, if necessary, sonicate briefly. Record exact concentration.
• Aliquot into amber or foil-wrapped microtubes to avoid repeated freeze–thaw. Store as recommended (see Storage & Reconstitution).

Cellular assays (general practice)

• Prepare serial dilutions in DMSO, then dilute into pre-warmed media to achieve the desired final concentration range with ≤0.1–0.5% v/v DMSO vehicle. Include vehicle-only controls.
• Typical exploratory ranges for bioactives may span low‑nanomolar to low‑micromolar concentrations; determine cytotoxicity and on‑target readouts in your specific model.
• Mix gently to avoid precipitation; visually inspect wells for precipitate or edge effects.

Biochemical assays

• Verify assay buffer compatibility (salt, pH, cofactors) and DMSO tolerance of the enzyme/protein target. Maintain constant DMSO across all wells.

Stability/analytics

• Where feasible, confirm concentration by UV or LC–MS and monitor stability over the assay period. Re-make working dilutions fresh as needed.

All guidance above is for research use only.

Biological Roles

Tuspetinib is offered as a small-molecule research tool for interrogating cell signaling and enzyme-regulated pathways in discovery biology. Item-specific biological targets are not listed in this product entry; consult primary literature and the batch documentation for target annotations relevant to your study.

General context (for bioactive small molecules)

• Such compounds are commonly used to modulate intracellular signaling cascades in a concentration‑ and time‑dependent manner to probe pathway function, validate targets, and generate structure–activity relationships (SAR) in medicinal chemistry programs.
• In cellular systems, apparent potency can be influenced by protein binding, transporter interactions, and intracellular accumulation; empirical determination of active concentration ranges is recommended in your specific model.
• Selectivity profiling (biochemical panels, chemoproteomics, cellular target engagement) is essential to interpret phenotypes and minimize off‑target artifacts.

Recommended practices (non-clinical, research only)

• Establish baseline cytotoxicity in your cell type (vehicle‑matched controls) prior to mechanism studies.
• Use orthogonal readouts (e.g., phospho‑protein markers, reporter assays) to confirm on‑pathway effects.
• Pair with inactive or less‑active analogs where available to strengthen mechanistic conclusions.

No medical or therapeutic claims are made for this product. It is supplied strictly for laboratory research use. For definitive target/biological role information, refer to peer‑reviewed sources corresponding to CAS 2294874‑49‑8 and the PubChem CID listed above.

Buffer Applications

Tuspetinib is not a buffering reagent and is not used to control pH. In biological experiments, it is typically delivered to cells or enzymes by diluting a DMSO stock into assay buffers or culture media. Ensure the final vehicle composition (e.g., DMSO percentage, any solubilizers) is matched in controls and compatible with your system.

Green Alternatives

This product is a specialized bioactive tool compound rather than a process solvent or commodity reagent, so conventional “green replacement” frameworks are not directly applicable. However, sustainable laboratory practices can still be applied to its handling and use:

• Minimize DMSO consumption by preparing appropriately concentrated master stocks and aliquoting to reduce waste and repeat freeze–thaw cycles.
• Favor aqueous assay buffers with the lowest feasible DMSO carryover (commonly ≤0.1–0.5% v/v as general practice), balancing solubility with biological tolerance.
• Use microscale assay formats (96‑/384‑/1536‑well plates) to reduce material usage and solvent waste.
• Dispose of DMSO/organic waste via approved routes; segregate halogenated and non‑halogenated streams where applicable.

Alternatives in a functional sense

• If your research question relates to a pathway class (e.g., kinase signaling), you may consider orthogonal or complementary tool compounds with differing selectivity profiles to strengthen conclusions. Selection should be driven by peer‑reviewed literature, cellular context, and assay requirements rather than “green” criteria.

Summary

• No direct green chemical substitute exists for a specific bioactive structure; sustainability gains are made through dose minimization, efficient experimental design, and careful solvent management.

Pharmaceutical Uses

This product is not intended for therapeutic use. Within a research and development setting, small-molecule tool compounds like Tuspetinib may be used as:

• Analytical or bioanalytical reference materials for method development, system suitability testing, or retention time matching (where permitted and with appropriate characterization).
• Controls in in vitro ADME profiling (e.g., metabolic stability, plasma protein binding) to benchmark assay performance.
• Formulation feasibility studies at micro‑scale (e.g., evaluating solubilization strategies) in preclinical research. Any such work should be performed strictly in vitro or ex vivo.

Regulatory and quality notes

• No pharmacopeial monograph is indicated for this item.
• If used as an internal reference standard, establish traceability within your laboratory by complete characterization (purity, identity) and document storage conditions and retest intervals.

All uses are strictly limited to research. No medical, diagnostic, or clinical applications are supported or implied.

Physical Properties

Item-specific physicochemical specifications are not provided in the current listing. For experimental planning, consult the batch CoA/SDS for definitive values.

• Appearance: Not specified for this item; refer to CoA/Spec Sheet.
• Molecular Weight: Not specified for this item; refer to CoA/Spec Sheet.
• Melting point (MP): Not specified for this item; refer to CoA/Spec Sheet.
• Boiling point (BP): Not applicable/rarely reported for complex bioactives; refer to CoA if available.
• Density: Not specified for this item; refer to CoA/Spec Sheet.
• pKa / LogP / cLogP: Not specified for this item; refer to literature/CoA.
• UV/Vis characteristics: Not specified for this item; refer to CoA/Spec Sheet.
• Solubility: Item-specific solubility is not provided. General practice for kinase‑oriented small molecules is dissolution in anhydrous DMSO to prepare concentrated stocks (e.g., 10–50 mM, general laboratory practice; verify solubility experimentally). Aqueous solubility often requires cosolvent or carrier systems.

General guidance (non-specification)

• For experimental use, confirm solubility and stability in your exact vehicle (DMSO, DMF, ethanol, or aqueous with cosolvent) at working concentrations and temperatures relevant to your assay.
• Protect solutions from light to minimize photolysis/isomerization.
• Filter sterilize solutions for cell culture applications if compatible with stability (0.22 μm PTFE/NYLON).

All properties not explicitly stated are “Not specified for this item; refer to CoA/Spec Sheet.”

Quality and Grades

• Grade/Purity: Not specified for this item; refer to CoA/Spec Sheet for assay, related substances, and residual solvent limits.
• Intended use: Research use only. Not for diagnostic, therapeutic, or in vivo use.

What to expect in the CoA/Spec Sheet (typical for small-molecule research compounds)

• Identity confirmation by NMR/HRMS/LC–MS and purity assessment by HPLC/UPLC (area%). Any stabilizers or counterions, if present, will be stated explicitly on the CoA.
• Batch-specific data may include: purity percentage, retention time, and water/volatile content (e.g., KF/LOD). If a specific value is not provided in the CoA for your lot, treat it as “not specified.”

Practical implications

• If your application is sensitive (e.g., quantitative cell pharmacology or biophysical binding), request and review the CoA and, if needed, perform incoming QC (orthogonal HPLC method, LC–MS identity check) to confirm fitness-for-purpose.
• If using for analytical calibration, verify linearity and response factors in your detection method (UV/MS) using your own reference curve.

Stabilizers and additives

• None are indicated in this listing. If stabilizers or salt forms are present for your lot, they will appear on the CoA and label; adjust molecular weight calculations accordingly for stock preparation.

Reaction and Applications

Tuspetinib is supplied as a bioactive research compound, not as a synthetic reagent. It is not typically employed as a catalyst, coupling partner, or stoichiometric reagent in preparative organic synthesis.

Applicable research uses (non-synthetic)

• Tool compound in discovery biology, chemical biology, and mechanism-of-action studies.
• Positive control/benchmark in biochemical or cellular assay development where the signaling pathway of interest is interrogated.

If you require a reagent for a specific organic transformation (e.g., cross-coupling, oxidation, protecting-group manipulation), please refer instead to Aladdin Scientific’s reagents and catalysts portfolio. For this product, see the “Biological Roles,” “Application Protocols,” and “Storage & Reconstitution” sections for guidance relevant to assay use rather than synthetic chemistry.

Reaction Conditions

Not applicable. Tuspetinib is provided as a research bioactive compound, not as a reagent for chemical transformations. No preparative reaction conditions are recommended or supported for this item. For assay-related use conditions, see “Application Protocols” and “Storage & Reconstitution.”

Safety and Handling

Safety data specific to this item are not provided in the listing; always consult the SDS for authoritative guidance.

• GHS Classification / Signal Word / H‑Statements / Pictograms: Not specified for this item; refer to SDS.
• Primary hazards (general for bioactive small molecules): May be harmful if swallowed, inhaled, or absorbed through skin; may cause eye/skin irritation. Handle as a substance of unknown toxicity.
• PPE: Lab coat, safety glasses or splash goggles, and appropriate chemically resistant gloves (e.g., nitrile). Work in a fume hood or biosafety cabinet when preparing solutions or powders to avoid inhalation.
• Engineering controls: Use containment and local exhaust ventilation when weighing dry solids. Avoid generating dust/aerosols.
• Incompatibilities: Avoid strong oxidizers and strong acids/bases until specific compatibility is known. Protect from light as indicated. Avoid prolonged exposure to elevated temperature.
• Spill response: Gently cover with inert absorbent, collect into suitable waste. Wet-wipe surfaces to reduce dust. Decontaminate with appropriate solvent compatible with your surface and the compound’s stability.
• First aid (overview): If inhaled—move to fresh air; if on skin—wash with soap/water; if in eyes—rinse with water for several minutes; if ingested—rinse mouth. Seek medical attention and provide SDS.
• Waste disposal: Dispose of as organic chemical waste in accordance with institutional and local regulations.

Note: Follow the storage guidance below (−80°C, light protection) and minimize freeze–thaw cycles of stock solutions to preserve integrity.

Solvent Selection

Tuspetinib is a bioactive, drug-like small molecule. While item-specific solubility data are not provided, the following general solvent considerations apply to similar heteroaromatic kinase‑oriented compounds:

• Primary stock solvent: Anhydrous DMSO is the default for preparing concentrated, freezer-stable stocks. Verify solubility empirically before scaling.
• Alternative organic vehicles: DMF and N‑methyl‑2‑pyrrolidone (NMP) can increase solubility for challenging compounds; ethanol or isopropanol may work for lower concentrations.
• Aqueous systems: Direct aqueous solubility may be limited. For biological assays, dilute DMSO stocks into buffer or media, keeping the final DMSO fraction low (commonly ≤0.1–0.5% v/v as general laboratory practice). Consider co-solvents, pH adjustment (if compatible), or carriers:
  • Serum-containing media often enhance apparent solubility via protein binding.
  • Solubilization aids: 2‑hydroxypropyl‑β‑cyclodextrin (HP‑β‑CD), Pluronic F‑127, or PEG‑based cosolvents (evaluate compatibility/toxicity for your system).

Comparison (general)

• DMSO: Highest solvating power; excellent chemical compatibility; potential biological effects above ~0.5% v/v.
• DMF/NMP: Strong solvents but less favored in live-cell assays; use sparingly and verify cytocompatibility.
• Ethanol: Lower solubilizing capacity; better tolerated biologically at low percentages.

Practical tips

• Warm gently (room temperature) and vortex/sonicate to aid dissolution—avoid heat and light exposure.
• Filter stocks only if compatible with stability; PTFE membranes preferred for DMSO solutions.
• Record exact solvent lot and concentration for reproducibility.

Storage and Reconstitution

Item-specific storage conditions are provided and should be strictly followed to maintain integrity.

• Storage (as supplied): Store at −80°C, protected from light. Keep container tightly closed. Minimize exposure to ambient humidity and repeated temperature cycling.
• Shipping: Shipped on dry ice packs + cold packs to maintain low temperature during transit.
• Stability: Long-term stability is enhanced by low temperature, desiccation, and light protection. Specific retest/expiry dates are batch-dependent; consult the label/CoA.

Reconstitution and working solutions (general guidance)

• Allow vial to reach room temperature in the dark before opening to avoid moisture condensation.
• Dissolve in dry DMSO to make a concentrated stock (e.g., 10–50 mM; general laboratory practice). Mix thoroughly until fully dissolved.
• Aliquoting: Dispense single-use aliquots into amber/foil-wrapped tubes to avoid multiple freeze–thaw cycles.
• Storage of stocks: Store DMSO stocks at −20°C to −80°C, protected from light. Avoid frost‑free freezers that cycle temperatures. Record preparation date and concentration.
• Handling: Thaw aliquots at room temperature, use promptly, and return unused portions to cold storage; discard if precipitation, discoloration, or degradation is observed.
• Aqueous dilutions: Prepare immediately before use by diluting the DMSO stock into buffer/media. Verify compatibility and inspect for precipitation.

All information above complements, but does not replace, the batch CoA and SDS. For any parameter not stated here, treat as “Not specified for this item; refer to CoA/Spec Sheet.”

Structure and Identity

Tuspetinib is a cataloged small-molecule research compound provided for discovery and mechanistic studies.

• SKU: T646163
• Product Name: Tuspetinib
• CAS: 2294874-49-8
• PubChem CID: 135390910
• Molecular Formula: Not specified for this item; refer to CoA/Spec Sheet.
• Molecular Weight: Not specified for this item; refer to CoA/Spec Sheet.
• SMILES: Not specified for this item; refer to CoA/Spec Sheet.
• InChIKey: Not specified for this item; refer to CoA/Spec Sheet.

Structural features (general description):

• Literature describes Tuspetinib as a defined, drug‑like small molecule with multiple ring systems and heteroatoms consistent with kinase-targeted chemotypes. Exact structural details should be taken from primary literature or the product CoA.
• 2D depiction (verbal): a compact, polycyclic heteroaromatic core bearing substituents that tune physicochemical properties for cellular permeability; no stereochemical information is provided here.

Notes

• All identifiers above are item-specific when given; where information is missing, consult the batch CoA/SDS or authoritative databases for the exact structure and canonical identifiers.
• This product is intended strictly for research use (not for human or animal administration).

Synthetic Utility

Tuspetinib is supplied as a defined bioactive small molecule and is not commonly employed as a building block or reagent in synthetic chemistry.

• It is not typically used in named reactions, as a ligand, or as a catalyst.
• If analog generation or SAR exploration is of interest, medicinal chemistry efforts would usually begin from disclosed synthetic routes to the scaffold rather than using the final bioactive compound as a substrate.

For synthetic transformations, please consult Aladdin Scientific’s portfolio of building blocks (heteroaromatics, halogenated intermediates, boronates), catalysts, and ligands that are designed for robust, scalable reactivity.

Target Specificity

• Target annotations, primary biochemical targets, and selectivity profiles are not specified for this item in the current product data. Please consult the batch CoA, SDS, and peer‑reviewed literature corresponding to CAS 2294874‑49‑8 / PubChem CID 135390910 for validated target information.

General recommendation

• When employing any bioactive small molecule as a pathway probe, perform or review orthogonal selectivity assessments (biochemical enzyme panels, cellular target engagement, transcriptomic or phospho‑proteomic readouts) to ensure phenotypes align with the intended mechanism.