GRADE & PURITYMoligand™?Moligand™ — Aladdin's line of ligands and bioactive small molecules. Use for receptor, pathway, and binding studies needing defined small-molecule tools.
This compound belongs to the class of organic compounds known as tetralins. These are polycyclic aromatic compounds containing a tetralin moiety, which consists of a benzene fused to a cyclohexane.
External Descriptors
Not available
1. Djoumbou Feunang Y, Eisner R, Knox C, Chepelev L, Hastings J, Owen G, Fahy E, Steinbeck C, Subramanian S, Bolton E, Greiner R, and Wishart DS. ClassyFire: Automated Chemical Classification With A Comprehensive, Computable Taxonomy. Journal of Cheminformatics, 2016, 8:61.
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Application Protocols
No application protocols are specified for this SKU.
General guidance for small-molecule screening (literature/general)
Stock preparation: Dissolve in DMSO to 10–50 mM. Vortex, sonicate briefly if needed; filter through 0.22 µm PTFE if particulates remain.
Plate handling: Aliquot into low-binding plates/tubes; seal to limit evaporation; equilibrate to room temperature before dispensing.
Assay setup: Maintain consistent vehicle %. Include positive/negative controls; perform at least triplicate technical replicates.
Data quality: Monitor Z′-factor; assess interference (fluorescence/absorbance overlap) by running counter-screens where applicable.
Item-specific concentrations, incubation times, and readouts: Not specified for this item; refer to CoA/Spec Sheet and your assay SOPs.
Biological Roles
No biological target, pathway, or mechanism information is provided in the current catalog entry for SKF 89748.
Target/mechanism: Not specified for this item; refer to CoA/Spec Sheet or primary literature corresponding to the CAS or CID.
Biological role classification: Listed as a small-molecule research ligand (Moligand™). Specific receptor/enzyme interactions, potency, and selectivity are not included here.
General guidance for biological evaluation (literature/general)
Establish compound identity and purity before biological testing (LC–MS, NMR, HPLC purity).
Determine solubility and stability in relevant assay buffers; monitor for aggregation or redox activity that can cause assay interference.
Run concentration–response curves with appropriate positive/negative controls and vehicle controls.
Confirm findings using orthogonal assays and, when available, counter-screens to assess selectivity profiles.
All uses are for research purposes only. This product is not intended for diagnostic or therapeutic applications.
Buffer Applications
This product is a discrete small molecule and is not a buffering reagent. Therefore, conventional buffer system guidance (pKa-based formulation, buffering ranges) does not apply.
Practical notes for assay buffer preparation with small-molecule stocks (general)
Maintain a consistent vehicle concentration (e.g., 0.1–1% DMSO) across all wells or samples.
To mitigate precipitation, add compound stock to buffer slowly with mixing; consider cosolvents (DMSO up to assay tolerance) or non-ionic surfactants (e.g., 0.01–0.05% Tween-20) when compatible.
Filter buffers (0.22 µm) and degas to support reproducible kinetic measurements.
Item-specific buffer compatibility, pKa, or solubility: Not specified for this item; refer to CoA/Spec Sheet.
Green Alternatives
Green chemistry comparisons are most meaningful for solvents and widely used reagents with known hazard/impact profiles. Because this item is a discrete small-molecule research ligand with unspecified structure and no process role as a bulk solvent or reagent, a conventional “green alternative” analysis is not typically applicable.
General sustainability guidance for handling small-molecule library members
Minimize DMSO waste by preparing right-sized aliquots and consolidating screening plates.
Prefer ACN over DMF/NMP for analytical work when feasible due to lower hazard profiles (literature/general), and use aqueous mobile phases with formic acid or ammonium acetate for LC–MS when possible.
If scale-up synthesis or custom derivatization is planned, apply green chemistry metrics (atom economy, solvent selection guides, energy usage) once the full synthetic route and structure are available.
Item-specific green substitutions, solvent hazard scores, or LCA data: Not specified for this item; refer to CoA/Spec Sheet.
Pharmaceutical Uses
This product is supplied for research use only and is not intended for human or veterinary use.
Excipient or compendial status: Not specified for this item; it is not presented as a pharmacopeial excipient.
Formulation role: Not specified for this item; typical pharmaceutical formulation guidance does not apply without defined structure and intended use.
General R&D formulation considerations for small molecules (research context only)
For in vitro work, prepare DMSO stocks and dilute into assay media within solvent tolerance limits.
For exploratory in vivo research (if permitted under local regulations and approvals), consult institutional guidelines and the SDS; define salt form, polymorph, and stability before any formulation work. Aladdin does not provide clinical guidance.
Any therapeutic claims, dosing information, or clinical applications are outside the scope of this listing and are not supported.
Physical Properties
Item-specific physicochemical specifications are not included in the current catalog record.
Appearance: 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 specified for this item; refer to CoA/Spec Sheet.
Density: Not specified for this item; refer to CoA/Spec Sheet.
Refractive index: Not applicable/unknown for solids; Not specified for this item; refer to CoA/Spec Sheet.
Solubility: Not specified for this item; refer to CoA/Spec Sheet.
LogP/logD, pKa: Not specified for this item; refer to CoA/Spec Sheet.
General laboratory guidance (literature/general)
For small molecules of unknown solubility, a tiered dissolution screen is recommended: start with DMSO (10–50 mg/mL), then assess aqueous buffers with co-solvent (e.g., 1–5% DMSO, 20–40% PEG400) or volatile organics (MeOH, ACN) for analytical work.
If crystalline, perform a quick thermogram (DSC/TGA) to gauge melting/decomposition behavior before elevated-temperature operations.
For analytical QC, determine HPLC retention under a standard gradient (e.g., water/ACN + 0.1% formic acid) to build a solubility/ionization profile.
Definitive, item-specific values must be taken from the CoA/SDS provided with the lot you receive.
Quality and Grades
Grade/Purity: Moligand™ (as listed for this SKU). Exact purity, residual solvent, and trace metal specifications are not provided in this catalog entry and must be taken from the CoA/Spec Sheet for the supplied lot.
What Moligand™ typically signifies (general program description)
Moligand™ denotes small-molecule ligands curated for discovery workflows (screening, profiling, or mechanism studies). Lots are typically accompanied by analytical identity confirmation (e.g., LC–MS/NMR) and are suitable for high-throughput screening stock preparation (literature/general program context). This is a general description; item-specific specs are CoA-defined.
Implications for your work
For assay reproducibility, verify purity and counter-ions/salt form per CoA; subtle differences can affect solubility and assay response.
If UV methods are used, request or check the UV–Vis trace or HPLC wavelength transparency to ensure compatibility with detection settings (item-specific UV cutoff: Not specified for this item; refer to CoA/Spec Sheet).
Stabilizers/inhibitors: Not specified for this item; refer to CoA/Spec Sheet. If present, they may influence bioassay readouts; consider blank corrections.
Documentation
For regulated or quality-critical environments, retain the lot-specific CoA, SDS, and any spectral attachments as part of your data package.
Reaction and Applications
This SKU is presented as a small-molecule research ligand (Moligand™) rather than a synthetic reagent. Accordingly, it is generally employed in biochemical or cellular assay contexts (e.g., target engagement, screening, or mechanistic probes) rather than as a stoichiometric reagent or catalyst.
Synthetic reaction applications: Not typically applicable for this product category without structure-specific reactivity information.
If you intend to derivatize or immobilize this molecule, obtain its full structure and functional group data from the CoA/Spec Sheet and confirm feasibility via small-scale tests.
General best practices for use in discovery assays (literature/general)
Prepare fresh DMSO stocks (10–50 mM), filter if needed (0.22 µm PTFE) to remove particulates, and minimize freeze–thaw by aliquoting.
Verify chemical stability under assay conditions (light, pH, redox) via LC–MS time-course.
Include vehicle controls (matching DMSO %) and, where possible, orthogonal assay formats to deconvolute artifacts.
Manufacturer-specified applications: None provided in this listing. Expand usage only after reviewing the item’s structural information and SDS.
Reaction Conditions
Not applicable. This SKU is not presented as a reagent or catalyst, and no structure-specific reactivity is provided.
General laboratory handling timelines for assay use (literature/general)
Prepare fresh DMSO stock solutions and minimize exposure to moisture and light until stability is established.
For long incubations in biological assays, verify chemical stability over time (e.g., 0–24 h at assay temperature) by LC–MS.
If you intend to use the compound in a chemical transformation (e.g., as a substrate or coupling partner), obtain the full structure and consult reaction conditions appropriate for its functional groups.
Safety and Handling
Hazard classification details are not populated in the current listing. Treat as a laboratory chemical of unknown hazard profile.
Item-specific safety data
Signal word: Not specified for this item; refer to SDS.
GHS classification and pictograms: Not specified for this item; refer to SDS.
H-statements: Not specified for this item; refer to SDS.
General laboratory precautions (always defer to the SDS for your lot)
PPE: Lab coat, safety glasses, and appropriate chemical-resistant gloves (e.g., nitrile). Use in a fume hood to avoid inhalation of dusts or vapors.
Handling: Avoid skin/eye contact and inhalation. Prevent dust generation; keep containers tightly closed. Use clean, dry tools to prevent contamination.
Incompatibilities: Unknown for this specific item. Until known, segregate from strong oxidizers, strong acids/bases, and reactive reducing agents (general best practice for organic small molecules).
Spill/accident: Absorb small spills with inert material (vermiculite), place in chemical waste. Wash area with soap and water. For exposure, rinse affected area with water for at least 15 minutes and seek medical advice; provide SDS to responders.
Waste: Dispose of in accordance with local regulations for organic laboratory waste.
Note: Peroxide formation, self-reactivity, or specific chronic hazards cannot be assessed without structure/SDS. Obtain and review the SDS prior to use. For research use only.
Solvent Selection
Item-specific solubility data are not provided. The following is general guidance for preparing small-molecule screening stocks when structure/solubility are unknown.
Primary solvent for stocks
DMSO: Default for HTS/assay stocks (commonly 10–50 mM). Check for precipitation upon dilution into aqueous buffers.
Secondary/analytical solvents
Acetonitrile (ACN) or methanol (MeOH) for HPLC/LC–MS. Start with 50:50 solvent:water containing 0.1% formic acid (positive mode) or 5 mM ammonium acetate (neutral/negative mode) to evaluate ionization (general guidance).
Aqueous formulation strategies
Use 0.5–2% DMSO as a cosolvent; add non-ionic surfactants (e.g., 0.01–0.05% Tween-20) or co-solvents (10–30% PEG400) if allowed by the assay system (literature/general).
Insoluble compounds
Explore 2-pyrrolidone, NMP, or propylene glycol for concentrated intermediates; back-dilute into assay-compatible media.
Decision tips (general)
If the compound is hydrophobic (observed wetting issues), favor DMSO stocks and ACN-based dilutions.
If ionizable (observed pH-dependent solubility), adjust pH within assay tolerance to improve dissolution.
Item-specific miscibility, dielectric constant, partitioning (logP/logD), and pKa: Not specified for this item; refer to CoA/Spec Sheet.
Storage and Reconstitution
Storage conditions: Room temperature (as provided in product data). For long-term stability, many small molecules benefit from storage in a cool, dry, dark environment with desiccant. Follow any additional guidance on the item’s CoA/SDS.
Shipped in: Not specified for this item; refer to CoA/Spec Sheet.
Appearance: Not specified for this item; refer to CoA/Spec Sheet.
Reconstitution (general guidance)
For screening stocks, dissolve in anhydrous DMSO to 10–50 mM. If insoluble, warm gently (≤40 °C) and/or sonicate briefly. Avoid prolonged heating.
Filter through 0.22 µm PTFE if particulates persist. Aliquot into low-binding vials to avoid multiple freeze–thaw cycles.
For aqueous working solutions, dilute the DMSO stock into buffer with mixing; keep final DMSO within assay tolerance. Inspect for precipitation.
Stability notes
Item-specific hygroscopicity, light sensitivity, and solution stability: Not specified for this item; refer to CoA/Spec Sheet.
If stability is unknown, prepare single-use aliquots, protect from light, and minimize exposure to ambient humidity.
Always consult the lot-specific CoA and SDS for authoritative instructions. For research use only.
Structure and Identity
SKF 89748 is listed in our small-molecule/compound library collection. Limited structural metadata is available in the current product record.
CAS: 81998-18-7
PubChem CID: 128805 (literature identifier)
InChIKey: 433870 (as provided in catalog entry)
SMILES: Not specified for this item; refer to CoA/Spec Sheet.
Molecular formula: Not specified for this item; refer to CoA/Spec Sheet.
Molecular weight: Not specified for this item; refer to CoA/Spec Sheet.
Structural features
Item-specific functional groups, ring systems, and stereochemistry: Not specified for this item; refer to CoA/Spec Sheet.
Notes for identity confirmation (general guidance)
For small-molecule library members, identity is commonly verified by a combination of 1H/13C NMR, LC–MS (ESI), and HRMS (literature/general guidance).
When structure is provided, recommended cross-checks include InChI/InChIKey matching, HPLC peak purity, and comparison to published spectra (literature/general guidance).
Please consult the accompanying Certificate of Analysis (CoA) and specification sheet for definitive structural identifiers and analytical data for this specific SKU (S613612).
Synthetic Utility
SKF 89748 is listed as a research ligand rather than a synthetic building block or reagent. Without a disclosed structure or functional group profile, its use in chemical synthesis cannot be advised.
Functional groups available for derivatization: Not specified for this item; refer to CoA/Spec Sheet.
Named-reaction compatibility (e.g., cross-coupling, amidation): Not assessable without structural information.
General considerations if derivatization is contemplated (literature/general)
Obtain the full structure and stereochemistry; identify potential handles (halides, boronates, amines, acids) for coupling.
Confirm chemical stability during activation steps (e.g., acid chlorides, carbodiimides) with small-scale screens.
Track mass balance and impurity profiles via LC–MS; isolate reference standards for key impurities to support SAR work.
If a synthetic variant or labeled analog is needed, please contact us with the structure and desired modifications for custom synthesis options.
Target Specificity
No target specificity data are provided for this product.
Primary target/antigen: Not specified for this item; refer to CoA/Spec Sheet.
Selectivity profile: Not specified for this item; refer to CoA/Spec Sheet.
Potency (Ki/IC50/EC50): Not specified for this item; refer to CoA/Spec Sheet.
For research planning, consult primary literature associated with the CAS (81998-18-7) or PubChem CID (128805) and confirm against the CoA for your supplied lot.
Need help choosing the grade?
Our grade selection guide covers purity, stabilizer status, and application suitability for all variants in our catalog.
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Products are supplied to verified businesses, institutions, and qualified professionals for research and development use only. Not for use in humans, animals, diagnosis, or therapy.