WH-15 - ≥99% , CAS No.1264748-47-1

CAS: 1264748-47-1 Cat. No.: W1441173 Formula: C₃₁H₄₃N₂O₁₈P₃ Peso molecolare: 824.60

GRADE & PURITY ≥99%

Storage

Protected from light,Store at -20°C,Argon charged

Shipped In

Ice chest + Ice pads

Panoramica

WH-15 is a fluorogenic PLC reporter with K m value of 49; 30, 86.1 µM for PLC-γ1, PLC-δ1, PLC-β2, respectively. WH-15 can be cleaved in a cascade reaction to generate fluorescent 6-aminoquinoline. WH-15 can be used to respond to imaging PLC activity in live cells.

Specifications

Specifiche e purezza

≥99%

Condizioni di conservazione di stoccaggio

Protected from light,Store at -20°C,Argon charged

Spedito in

Ice chest + Ice pads

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

Purezza

≥99%

Nomi e identificatori

Peso molecolare

824.60

Application Protocols

No tested applications are provided for WH-15. The following are general, non-item-specific practices for handling small-molecule library compounds in research. Adjust based on your solubility and stability findings.

• Stock preparation (general):

  • Aim for 10 mM in DMSO as an initial stock. Vortex and sonicate briefly. If insoluble, try 5 mM or use co-solvents (e.g., DMSO:EtOH 1:1). Filter if necessary (0.2 µm PTFE) to remove particulates.
  • Prepare small aliquots (e.g., 10–50 µL) in amber vials/plates under inert gas to minimize freeze–thaw and photolysis.

• Plate handling (HTS):

  • Thaw on ice or at room temperature in the dark. Centrifuge briefly to collect condensate. Mix thoroughly before pinning/dispensing.
  • Keep final assay DMSO ≤0.5% v/v unless the biology supports higher levels. Include vehicle-only controls.

• Analytical check:

  • Verify concentration by UV only if extinction coefficient is known and free from interference; otherwise use quantitative NMR or external-standard LC–MS.
  • Perform a 24–72 h stability check of working solutions at assay temperature/light conditions.

These steps are provided as general guidance and are not specific specifications for WH-15.

Biological Roles

Item-specific

• No biological function, target, or pathway annotations are provided for WH-15.

General guidance for small molecules in research (not specific to this item)

• Potential roles in research include acting as enzyme modulators, receptor ligands, or pathway perturbagens once a target is identified through screening and follow-up studies.
• Prior to assigning biological roles, confirm identity, purity, and stability. Conduct orthogonal assays to rule out pan-assay interference compounds (PAINS) behavior, redox activity, aggregation, or fluorescence interference.
• Evaluate physicochemical liabilities that affect biological performance (e.g., solubility at assay pH, permeability proxies, chemical stability in buffer, photolability). Use controls for vehicle effects (e.g., DMSO at matched concentration).

No clinical, diagnostic, or therapeutic use is implied. Any biological role must be established experimentally and documented in your lab records.

Buffer Applications

WH-15 is listed as a small-molecule library compound and is not presented as a buffering reagent. Without known acid/base functionality or pKa, buffer formulation guidance is not applicable.

• If WH-15 must be dosed in aqueous systems, select an appropriate external buffer (e.g., PBS, HEPES, MOPS) based on your biological assay and ensure vehicle compatibility.
• Adjust pH only if structural information indicates ionizable groups; otherwise, avoid strong pH adjustments that could degrade the compound.

For buffer recipes and pH ranges, refer to standard buffering agents rather than this compound.

Green Alternatives

Without structural and solubility data for WH-15, solvent selection must be empirical. The following comparisons provide general, literature-based greener choices for common tasks; they are not specific to this item and should be validated experimentally.

• Prefer alcohols and esters over chlorinated solvents when feasible.
• Use bio-based ethers/esters where performance permits, mindful of stability and peroxide policies.

Comparison (general; literature)

• Task: Nonpolar–moderate polarity dissolution

  • Greener choice: Ethyl acetate or dimethyl carbonate (DMC)
  • Conventional: Dichloromethane (DCM) or chloroform
  • Tradeoffs: EtOAc/DMC are less toxic and lower environmental impact but may have lower solvating power for very apolar solutes.

• Task: Ether-like solvency for reactions/workups

  • Greener choice: 2-Methyltetrahydrofuran (2-MeTHF) or cyclopentyl methyl ether (CPME)
  • Conventional: THF, diethyl ether
  • Tradeoffs: 2-MeTHF/CPME offer improved safety/life-cycle; monitor peroxide formation and water content.

• Task: Polar aprotic environment

  • Greener choice: Propylene carbonate (PC) or Cyrene (dihydrolevoglucosenone)
  • Conventional: DMF, NMP
  • Tradeoffs: PC/Cyrene are safer but more viscous; solubility and reaction rates vary.

Operational tips

• Use microscale solvent screens to identify the lowest-impact solvent meeting performance needs.
• For assay stocks, ethanol or aqueous co-solvent systems are often greener than high percentages of DMF/NMP, provided the compound dissolves and the assay tolerates the vehicle.

Pharmaceutical Uses

No pharmacopeial status, excipient role, or manufacturing application is provided for WH-15.

General context (not specific to this item)

• Library compounds are typically used in discovery research (screening, hit validation) and are not formulated for clinical use.
• If used as an analytical reference standard in development labs, ensure traceability: documented identity (LC–MS/NMR), purity, and stability data, with storage under conditions specified (−20 °C, light-protected, inert atmosphere).
• For preformulation research, solubility and stability profiling in pharmaceutically relevant vehicles (pH-adjusted buffers, cosolvent systems, cyclodextrins) should be conducted only after structural data are available.

No therapeutic claims are made. For GMP or regulatory applications, obtain lot-specific documentation and verify compliance independently.

Physical Properties

Item-specific (from Product Data)

• Appearance: Not specified for this item; refer to CoA/Spec Sheet.
• Molecular Weight: Not specified for this item; refer to CoA/Spec Sheet.

Typical physicochemical parameters (literature/computed – not specific to this item)

• Boiling point, melting point, density, refractive index, logP/logD, pKa, and aqueous/organic solubility are not provided for WH-15. For solid small molecules in screening libraries, melting points often range broadly (e.g., 80–250 °C), but this is compound-dependent and should not be assumed.

Guidance for users (general)

• Determine solubility empirically in common stock solvents (e.g., DMSO, DMF, ethanol, aqueous buffers) starting at 1–10 mg/mL; adjust upward if fully dissolved. Document solvent, concentration, temperature, and clarity.
• If microanalysis or Karl Fischer moisture data are needed for formulation or reactivity, request them from the CoA/Spec Sheet. Do not infer hydrate/solvate state without analytical confirmation.
• For NMR characterization of unknown solids, begin with DMSO-d6, CDCl3, or CD3OD, escalating to stronger solvents (e.g., CD3CN, acetone-d6) as needed, mindful of potential protonation/deprotonation effects on chemical shifts.

Key reminder

• In the absence of disclosed structure, treat all numerical properties as Not specified for this item; refer to CoA/Spec Sheet. Avoid assuming polymorph, salt form, or solvate content without direct evidence.

Quality and Grades

Item-specific (from Product Data)

• Grade/Purity: Not specified for this item; refer to CoA/Spec Sheet.

Interpreting quality information (general guidance)

• For screening-library compounds like WH-15, vendors often provide HPLC purity (% area), LC–MS identity, and sometimes NMR confirmation. In the absence of stated values here, request the lot-specific CoA.
• Common grade descriptors:
  • Analytical/Research grade: Suitable for general research; typical HPLC purity ≥95% but confirm.
  • Screening/HTS grade: Emphasis on identity and sufficient purity for assay use; residual solvents/salts may be present within acceptable limits.
  • Bioactive grade: Additional QC (stability, counter-ion content) may be provided.
• UV cutoff, residual water/solvent, metal content, and stabilizer details are Not specified for this item; refer to CoA/Spec Sheet.

Stabilization & implications

• The product is stored under argon and protected from light, suggesting potential air/light sensitivity. This does not substitute for a stabilizer declaration; none is specified for this item.

Recommendations

• Prior to SAR or quantitative biochemistry, verify purity by orthogonal methods (HPLC-UV and LC–MS). If your application is LC–MS-sensitive, ask for data on non-volatile buffers and counter-ions. For long assays, perform a short-term stability check in the intended solvent (e.g., 24–72 h at room temperature vs refrigerated, in light vs dark).

Reaction and Applications

Item-specific (from Product Data)

• Manufacturer applications: Not provided.

General applications (context for small-molecule library members; not specific to this item)

• Screening and hit identification: WH-15 is categorized under small-molecule/compound libraries, indicating typical use in high-throughput screening (HTS), fragment screening, or focused library validation.
• Chemical biology: Potential use as a tool compound candidate for pathway perturbation or phenotypic assays after validation of identity, purity, and stability.
• Analytical reference: Can serve as a reference in LC–MS method development once structure and purity are documented.

Practical tips

• Prepare concentrated master stocks (e.g., 10–50 mM in DMSO) and aliquot into inert-atmosphere, amber vials or 96-well plates to minimize freeze–thaw and photolysis.
• If the compound is air/light sensitive (suggested by storage guidance), minimize exposure time during weighing and solution transfers; use septum vials and inert gas backfill.
• Before committing to extensive assays, perform a stability “soak” test of the stock at room temperature and at 4 °C over 24–72 h with periodic LC–MS checks.

Because structural information is not disclosed here, no specific synthetic or reaction-type applications (e.g., nucleophilic substitutions, cross-couplings) can be recommended for this item without consulting the CoA/structure.

Reaction Conditions

Specific reaction conditions for WH-15 cannot be provided without structural information (functional groups, stability, reactivity). No named reactions or optimal temperatures/solvents/catalysts are applicable at this time.

General guidance (not specific to this item)

• If derivatization is necessary (e.g., biotinylation, fluorophore tagging), obtain the structure and evaluate reactive handles (amines, carboxylates, alcohols, halides). Optimize conditions on micro-scale and verify integrity by LC–MS/NMR.
• When stability is uncertain, keep temperatures low, exclude air/moisture, and protect from light—consistent with the storage instructions.
• For analytical method development, start with LC–MS compatible mobile phases (e.g., water + 0.1% formic acid / acetonitrile) and screen column chemistries to gauge polarity and stability.

Expected yields, rates, and specific catalysts are not stated and should not be inferred for this item.

Safety and Handling

Item-specific (from Product Data)

• Storage: Store at −20 °C, protected from light, argon charged.
• Shipping: Ice chest + ice pads.
• GHS/Signal word/H-statements/Pictograms: Not specified for this item; refer to CoA/Spec Sheet and SDS.

General laboratory precautions (defer to SDS for authority)

• Personal protective equipment: lab coat, safety glasses or splash goggles, and suitable chemical-resistant gloves (e.g., nitrile). Work in a fume hood to prevent inhalation of vapors/particulates.
• Light sensitivity: Protect from ambient/UV light; use amber vials or foil wrapping. Minimize exposure during weighing and solution prep.
• Inert atmosphere: Product is supplied argon-charged; open under dry inert gas if feasible. Re-purge headspace after use to limit oxidative or moisture-driven degradation.
• Hygroscopicity/oxidation: Unknown for this item; keep containers tightly closed. If degradation is suspected, check by LC–MS/HPLC.

Incompatibilities (general guidance)

• Avoid contact with strong oxidizers, strong acids/bases, and reactive metals until compatibility is known.
• Do not heat or evaporate to dryness without understanding thermal stability (unknown for this item). Use gentle temperatures and reduced light.

First-aid overview (general)

• Skin/eye contact: Rinse with water for ≥15 minutes. Remove contaminated clothing.
• Inhalation: Move to fresh air; seek medical attention if symptoms persist.
• Ingestion: Rinse mouth; seek medical attention. Do not induce vomiting unless directed.

Always consult the product SDS for definitive hazard classification and response.

Solvent Selection

Item-specific (from Product Data)

• No solubility profile provided. Storage under argon and light protection suggests handling as a potentially sensitive small molecule.

General solvent strategy for small-molecule library compounds (literature-based, not specific to this item)

• Primary stock solvents:
  • DMSO: Broad solvating power for polar/nonpolar chemotypes; compatible with most biological assays at ≤0.5% v/v final.
  • DMF or NMP: Similar solvating power; use with caution in biological contexts due to cytotoxicity and extraction of plastics.
  • Ethanol/Isopropanol: Good for moderately lipophilic neutral compounds; evaporates cleanly.
  • Aqueous buffers: Use only if compound is sufficiently polar/ionizable; adjust pH to enhance solubility if pKa is known.
• Tactics when solubility is unknown:
  • Begin with 10 mM in DMSO; vortex/sonicate; if undissolved, heat gently to 40 °C and reassess.
  • If still insoluble, try co-solvent blends (e.g., DMSO:water 1:1 or DMSO:EtOH 1:1) and document outcomes.
  • Avoid basic or acidic modifiers until compatibility is verified from the CoA or structural knowledge.

Comparison (general)

• DMSO vs DMF: DMSO preferred for bioassays due to lower volatility and better biocompatibility; DMF can wet hydrophobic compounds but is more extractive.
• Ethanol vs Acetonitrile: Ethanol is greener and assay-friendly; acetonitrile is stronger for highly lipophilic analytes and HPLC sample prep.

Always confirm final assay tolerance to the chosen vehicle.

Storage and Reconstitution

Item-specific (from Product Data)

• Storage conditions: Store at −20 °C, protected from light, argon charged.
• Shipping: Ice chest + ice pads (cold chain).

General reconstitution guidance (not specific to this item)

• Upon receipt: Allow the sealed container to equilibrate to room temperature inside a desiccator before opening to prevent moisture condensation. Open under inert gas if possible.
• Solubilization: Start with an anhydrous solvent compatible with your application (commonly DMSO for screening compounds). Begin at 10 mM; adjust based on observed solubility. If needed, use co-solvents (EtOH, DMF) or gentle warming (≤40 °C) and brief sonication.
• Aliquoting: Prepare single-use aliquots in amber vials or crimp-sealed septum vials. Backfill headspace with argon or nitrogen and store at −20 °C.
• Freeze–thaw: Avoid repeated cycles. Thaw in the dark, mix to homogeneity, and promptly return unused material to cold, inert, light-protected storage.
• Aqueous use: If aqueous dosing is required, dilute the organic stock into buffer immediately before use. Confirm compatibility and absence of precipitation at working concentrations.

Stability monitoring

• Because detailed stability data are not provided, periodically assess integrity by HPLC/LC–MS after storage and after time-on-bench simulations.

For any missing item-specific parameters (purity, solubility, stabilizers), consult the lot-specific CoA/Spec Sheet.

Structure and Identity

Item-specific (from Product Data)

• SKU: W1441173

• Product Name: WH-15

• CAS: 1264748-47-1

• Category: 小分子和化合物库 (small molecules and compound libraries)

• Research use: For research use only

• 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 guidance)

• No structural descriptors have been provided for WH-15. Without SMILES or an InChI, functional groups, ring systems, and stereochemical features cannot be enumerated for this specific lot.
• For identity confirmation and structure-dependent work (e.g., docking, QSAR), obtain the certificate of analysis (CoA) or specification sheet. Typical identity documentation may include NMR, LC–MS, HRMS, or HPLC purity traces.

How to describe the 2D structure (general)

• Once a structure is available, describe: core scaffold (aliphatic/aromatic; heteroatoms), functional groups (e.g., amide, ether, halide), substitution pattern and regiochemistry, and any stereocenters or geometric isomers. Include tautomers if relevant.

Notes

• If you possess internal data (SMILES/InChI) for WH-15, incorporate it into your ELN and regenerate computed properties (logP, pKa, TPSA) to support solvent and assay choices.

Synthetic Utility

Without disclosed structure, functional group analysis and retrosynthetic utility for WH-15 cannot be described specifically.

General considerations (not specific to this item)

• If WH-15 were to be used as a building block or intermediate, details such as electrophilic/nucleophilic sites, protecting-group strategies, and compatibility with common transformations (e.g., cross-coupling, amide formation) would be required.
• For route scouting, request or determine the structure and assess:
  • Handle stability (air/light/moisture) given the recommended inert, light-protected storage.
  • Potential for late-stage diversification (e.g., halogen handles, boronates, azides/alkynes for click chemistry).
  • Purification strategy (normal-phase vs reverse-phase chromatography; need for ion-exchange or crystallization).

Until structural information is available, treat WH-15 as an endpoint compound for screening rather than a synthetic intermediate.

Target Specificity

No target, binding data, or selectivity profile is provided for WH-15.

• If used in screening, any observed activity must be confirmed across orthogonal assays, counter-screens against related targets, and artifact controls (e.g., detergent to mitigate aggregation, redox quenchers for ROS-mediated readouts).
• Reported specificity should include assay format, target source (recombinant vs cellular), and kinetics where appropriate. Until such data are generated, target specificity for this item is unknown.