Compound Card
Resolve names, formulas, SMILES, and InChI into formula, MW, exact mass, identifiers, drug-like descriptors, percent composition, and PubChem context.
ChemistryAtlas includes 178 chemistry-first apps for compound identity, bench calculations, spectroscopy confirmation, solvent lookup, and safety triage.
The public app catalog starts with daily chemistry workflows and also includes specialized advanced tools for energy, polymers, computation, and molecular systems.
Resolve names, formulas, SMILES, and InChI into formula, MW, exact mass, identifiers, drug-like descriptors, percent composition, and PubChem context.
Draw molecules and reactions with the EPAM Ketcher editor, then export SMILES or molfile text into ChemistryAtlas tools.
High-performance browser visualization for proteins, nucleic acids, complexes, and molecular structure files using NGL Viewer.
Hybrid molecular figure app: preview structures in the browser, then generate PyMOL scripts and publication-style render outputs on the backend.
Run ChimeraX-backed structure superposition, RMSD, contacts, H-bonds, clashes, surface/pocket inspection, density-map fitting, figure rendering, and command scripts from the web.
Analyze molecular-dynamics trajectories and VMD atom selections from the web with NGL preview and backend VMD Tcl workflows.
Visualize molecules, crystals, and Jmol scripts with a JSmol/Jmol-compatible browser viewer.
Render small molecules, crystals, PDB files, SDF/MOL blocks, and XYZ coordinates with 3Dmol.js.
Explore proteins, nucleic acids, complexes, CIF/mmCIF structures, PDB IDs, and AlphaFold entries using Mol*.
Normalize names, formulas, SMILES, and identifiers into a shared conversion workspace.
Normalize tautomer, salt, charge, and protonation-state cleanup requests.
Canonicalize compound batches, deduplicate structures, assign ChemistryAtlas IDs, and export registration CSV/SDF.
View crystal and molecular structures in a web-native VESTA-style structure viewer.
Explore elemental properties, periodic trends, filters, electron information, and selected element sets for chemistry workflows.
Scale a reaction to a limiting reagent and generate equivalents, mmol, mass, optional volume, theoretical yield, percent yield, and a printable weigh-out sheet.
Create molarity, dilution, serial dilution, buffer, and unit/concentration worksheets for common bench preparation tasks.
Calculate theoretical yield, percent yield, conversion, and optional ee from direct values or reaction stoichiometry.
Calculate molecular weight, exact mass, atom counts, and percent composition.
Calculate atom-economy setup and green metrics worksheet inputs.
Plan recrystallization from hot/cold solubility, solvent volume, sample mass, antisolvent notes, and expected recovery.
Estimate liquid-liquid extraction recovery across pH, pKa, logP, phase volumes, and number of washes.
Scale formula reactions or pasted reaction SMILES/RXN text into reagent tables, atom-map checks, and RXN/SDF exports.
Plan silica mass, loading, column volume, gradient CVs, fraction volume, pooling windows, and TLC-to-flash translation.
Calculate DP, Mn/Mw, monomer feed, copolymer composition, and Fox-equation Tg estimates for polymer planning.
Plan reagent masses and volumes with equivalents, density, purity, wt%, and solution molarity corrections.
Calculate monoisotopic exact mass and an approximate M, M+1, M+2 isotope pattern from molecular formulas.
Generate first-pass 1H and 13C NMR environment bins from RDKit structures.
Generate exact-mass molecular ions and rule-based neutral-loss fragment hints.
Detect functional groups and report IR/Raman/UV-Vis quick-look features.
Estimate C18/normal-phase retention behavior and practical TLC/HPLC adjustment guidance from RDKit descriptors.
Generate downloadable RDKit ETKDG/UFF conformers as SDF plus summary records.
Calculate atom-level RDKit Gasteiger partial charges and charge-summary records.
Generate RDKit 3D geometries, Gaussian/ORCA/Psi4/xTB input files, command manifests, and geometry-opt workflow scripts.
Estimate frontier/reactivity fields from RDKit charges and export xTB-ready inputs for real HOMO/LUMO/Fukui calculations.
Check reaction balance, atom economy, delta-G equilibrium, and generate optional xTB thermo/TS-guess workflow manifests.
Fit calibration curves, compare forced/non-forced intercepts, calculate residuals, LOD/LOQ, and back-calculate unknown concentrations.
Calculate assay amount, purity, and reaction yield from analyte/internal-standard peak areas, response factor, dilution, and reaction scale.
Process chromatogram CSV traces into peak retention time, area, height, width, tailing, plates, and resolution metrics.
Turn analyte, column, eluent, pH, retention, and peak-shape symptoms into method-development troubleshooting actions.
Rank possible ions from qualitative-test observations, colors, precipitates, solubility in ammonia/acid/base, and flame tests.
Run Beer-Lambert calibration, unknown concentration, or two-component UV-Vis mixture deconvolution from absorbance data.
Estimate IC50/EC50, Hill slope, normalized response, Z-prime, and plate-map QC from dose-response CSV data.
Process JCAMP-style text or peak lists into normalized integrals, coupling/assignment hints, and predicted-vs-observed context.
Parse peak lists or simple mzML-style text for peak picking, adduct matching, extracted-ion windows, and purity estimates.
Analyze cyclic voltammetry peak metrics and EIS Nyquist summaries from potential/current or frequency/Z CSV data.
Compute peptide/protein sequence mass, pI, net charge, extinction coefficient, and trypsin digestion fragments.
Calculate specific rotation, rotation-derived ee, chiral HPLC enantiomer ratio, and ee from peak areas.
Look up quick GHS reminders, incompatibilities, solvent properties, miscibility notes, and drying notes.
Screen proposed experiments for gas evolution, heat, pressure, incompatibilities, PPE, ventilation, scale, and disposal concerns.
Flag aged, air-sensitive, hygroscopic, peroxide-forming, CO2-absorbing, or hydrate-drifting reagents with bench checks.
Track bottles by CAS, vendor, lot, expiry, storage class, SDS link, incompatibility, and waste flag.
Estimate heat release, adiabatic temperature rise, gas volume/headspace ratio, addition rate, and runaway checklist items.
Standalone solvent drying, storage, incompatibility, peroxide-former, and waste-stream compatibility matrix.
Classify common research waste streams into halogenated, nonhalogenated, aqueous acid/base, oxidizer, heavy-metal, and solid waste routes.
Draw or paste a molecule once and reuse it across ChemistryAtlas tools.
Run RDKit Morgan-fingerprint similarity and SMILES/SMARTS substructure matching over a pasted or uploaded library.
Detect common retrosynthetic disconnections such as esters, amides, aryl halides, and boronic-acid coupling handles.
Apply RDKit reaction SMARTS templates for amide, ester, and hydrogenation product prediction.
Extract Murcko scaffolds and scaffold atom counts from names or SMILES with RDKit.
Enumerate and rank substituent designs against MW, TPSA, and target-logP constraints.
Build pairwise SAR delta tables with Murcko scaffold checks, Tanimoto similarity, and property changes.
Select diverse compounds by greedy max-min distance over RDKit Morgan fingerprints.
Enumerate R-group or reaction-SMARTS virtual libraries, calculate product descriptors, and export SDF/CSV.
Screen molecular precursors for linker, electrolyte, chromophore, and organic-electronics motifs.
Detect ionizable functional groups and return pKa range hints from RDKit SMARTS plus lookup tables.
Choose solvent systems and TLC polarity adjustments from Rf or compound context.
Look up named reaction summaries and mechanism reminders.
Build patent/literature precedent search links, parse pasted examples, and structure conditions/yields/route summaries for review.
Compute RDKit descriptors, Ro5/Veber/QED, BBB/CYP/hERG heuristics, and oral-readiness flags.
Run RDKit SMARTS structural-alert checks and synthetic-accessibility complexity hints.
Estimate logS with an ESOL-style RDKit descriptor heuristic and classify aqueous solubility.
Train a small Random Forest QSAR model from smiles,target CSV data and predict new molecules from RDKit descriptors.
Recommend next experiments from measured/blank CSV rows using Random Forest prediction uncertainty.
Export RDKit descriptors, drug-likeness fields, Morgan on-bit fingerprints, JSON, and ML-ready CSV features.
Batch screen names, SMILES, InChI, formulas, or uploaded lists with RDKit properties, constraints, and Pareto-front ranking.
Rank salt counterions and cocrystal formers from API pKa, ionization class, solubility, stability, and pharma-style tradeoffs.
Calculate pH-dependent ionization, neutral fraction, and estimated LogD from logP plus acid/base pKa values.
Generate a reaction-failure checklist from conditions, solvent/base/catalyst clues, and common failure modes.
Package chemistry context, question, tags, and critique prompt into shareable JSON/HTML/CSV.
Chain chemistry tools into reusable workflow definitions with JSON and table exports.
Capture experiment context into ELN-lite CSV, Markdown, JSON, and printable HTML exports.
Audit pasted lab calculations for unit mistakes, impossible dilutions, mass/mole inconsistencies, pH bounds, and missing factors.
Build full or fractional experiment matrices for reaction optimization with factors, levels, blocks, and response columns.
Estimate route procurement cost from needed amounts, vendor pack sizes, prices, step yields, suppliers, and SKUs.
Solve acid-base speciation, pH, precipitation checks, and simple complexation-style equilibrium worksheets.
Compute pH, dominant species, charge balance, and buffer capacity for polyprotic acid/base mixtures.
Calculate unknown concentration, equivalence volume, endpoint region, and acid/base titration curve points.
Build an ICE-table style extent solution for simple equilibrium reactions from initial concentrations and K.
Calculate Nernst cell potentials, delta-G, equilibrium constants, and anode/cathode direction hints.
Analyze reaction order, integrated rate laws, half-life, Arrhenius activation energy, and rate constants.
Convert mass percentages, elemental masses, or combustion products into empirical and molecular formulas.
Compute peptide/amino-acid pI and net charge versus pH from pKa and charge-state lists.
Solve ideal-gas, Dalton/Henry, and Clausius-Clapeyron boiling/vapor-pressure worksheets.
Balance formula-style reactions with matrix stoichiometry and return normalized coefficients and atom checks.
Calculate ion product, precipitation status, molar solubility, common-ion effects, and selective precipitation thresholds.
Canonicalize, score, and test reaction SMARTS templates with RDKit now and RDChiral/RDCanon when installed.
Run stereochemistry-aware forward product prediction locally from templates or through ASKCOS when configured.
Generate ranked retrosynthesis routes using ASKCOS sidecar when available with local SMARTS fallback.
Suggest solvent, base, catalyst, temperature, concentration, and workup from reaction class and substrates.
Predict likely side products, decomposition, hydrolysis, oxidation, regioisomers, and overreaction risks.
Score candidate routes by step count, complexity, green metrics, safety flags, PMI, cost hints, and confidence.
Create a one-page synthesis feasibility report with route, risk, purification, availability, and safety checks.
Check ASKCOS sidecar availability and package requests for retrosynthesis, forward prediction, context, and impurity models.
Search local reaction examples by template, named reaction, functional handles, and ORD-compatible fields.
Generate candidates toward logP, MW, TPSA, solubility, pKa, ADMET, or custom property goals.
Propose scaffold replacements that preserve property profile while changing core structure.
Enumerate and rank substituent replacements using RDKit descriptors, synthesis filters, and optional ChemProp predictions.
Optimize candidate molecules across potency proxy, solubility, alerts, diversity, novelty, and synthesis feasibility.
Generate molecules and require route/template feasibility before ranking final candidates.
Suggest medicinal-chemistry transformations and property-direction changes from matched-pair rules.
Upload measured data and candidates, train a local model, and recommend next molecules to make/test.
Build focused virtual libraries from cores, R-groups, reaction handles, and property constraints.
Train property models using ChemProp sidecar when available or local RDKit Random Forest fallback.
Run batch molecular property prediction with saved ChemProp models or local descriptor fallback.
Estimate uncertainty and applicability domain from ensemble/model spread or fingerprint distance fallback.
Predict MS/MS fragments using ms-pred/ICEBERG sidecar when available or deterministic exact-mass losses locally.
Score experimental vs predicted/library spectra with cosine similarity and matched-peak diagnostics.
Rank candidate structures against formula, exact mass, spectrum hits, fragments, and property filters.
Combine formula constraints and MS/MS similarity to produce structure-elucidation candidate reports.
Prepare a docking workflow and call PyScreener sidecar when configured; otherwise emit runnable docking manifests.
Plan or run MolPAL-style active-learning virtual screening from docking scores and candidate libraries.
Generate a protein/ligand preparation checklist for docking, protonation, waters, cofactors, grid box, and controls.
Rank docking results with score, ligand efficiency, strain, alerts, diversity, and interaction notes.
Convert docking hits into next design ideas with R-group/scaffold suggestions and active-learning priorities.
Run crystal structure prediction workflows from formulas, element sets, or uploaded structures.
Calculate energy above the Materials Project convex hull from formula energy, CIF energy, or an approximate MACE-predicted energy diagnostic.
Predict space group, crystal system, and related cell parameters.
Predict whether candidate compounds are likely two-dimensional materials.
Compare candidate formulas side by side across selected ChemistryAtlas predictors and Materials Project summary data.
Upload measured property data, use Magpie or your own descriptor columns, and discover interpretable equations.
Predict noncentrosymmetric materials from composition or structure input.
Predict band gap values from composition or structure input.
Predict elastic moduli for candidate materials.
Estimate elastic tensors and VRH moduli from uploaded structures using fast finite-strain MLIP stress calculations.
Predict hardness-related material properties.
Predict thermal conductivity for candidate materials.
Predict room-temperature linear and volumetric thermal expansion coefficients for substrate matching and reliability screening.
Predict scalar dielectric constants for capacitor, insulator, and functional dielectric screening.
Predict composition-level piezoelectric response coefficients for sensors, actuators, and energy harvesting.
Predict refractive index, optical band gap, approximate color, absorption edge, and Shockley-Queisser photovoltaic limit.
Estimate Seebeck coefficient, electrical conductivity, thermal conductivity, power factor, and zT at 300/600/900 K.
Predict magnetic ordering, Curie temperature, or Néel temperature from composition.
Predict ionic conductivity for candidate materials.
Predict superconductivity-related properties for candidate formulas.
Paste formulas or upload a CSV, select property groups, and rank candidates with Pareto-optimal materials highlighted.
Search and screen hypothetical composition database entries.
Search superconductor CIF candidates from ICSD, Materials Project, and hypothetical libraries.
Search quantum material CIF candidates from ICSD, Materials Project, and hypothetical libraries.
Search generated lithium material candidates.
Run a combined battery-material screen for electrolytes, cathodes, or anodes.
Predict average conversion-electrode voltage, capacity, and energy density from Materials Project thermodynamics.
Estimate solid-electrolyte reduction and oxidation limits using grand-potential phase diagrams.
Predict binary or pseudobinary solid-solution miscibility gaps, binodal curves, spinodal decomposition windows, and critical temperatures.
Score formulas for toxicity, raw-material cost, elemental abundance, supply-chain risk, RoHS/REACH flags, and commercialization practicality.
Screen whether a material is likely to be chemically compatible with acid, base, salt solution, water, humid air, oxygen, or reducing environments.
Estimate moisture, oxygen, UV, heat, CO2, and ambient-air degradation risk for inorganic and hybrid-like material formulas.
Compute d-orbital splitting, occupancy, spin-only magnetic moment, CFSE, and a first-pass color estimate.
Parse thermal-analysis data and detect TGA mass-loss steps, DTG peaks, DSC events, and Tg candidates.
Plot catalyst activity or volcano score against adsorption-energy descriptors to identify near-optimal candidates.
Screen ABX3 hybrid halide perovskites using tolerance factor, octahedral factor, rough band gap, and degradation warnings.
Estimate galvanic corrosion risk for two metals/alloys in contact under common electrolyte conditions.
Generate Materials Project convex-hull phase diagrams and evaluate optional user candidate phases.
Search Materials Project records and generate a shareable ChemistryAtlas passport with composition, MP data, and predicted property gaps.
Generate electrochemical stability diagrams over potential and pH for corrosion, catalysis, and aqueous battery screening.
Search recent materials papers and extract evidence-backed property values into structured citation tables.
Simulate powder XRD patterns from structures and compare two structures with peak-shift summaries.
Prepare, validate, and package DFT input files from uploaded crystal or molecular structures.
Build surface-slab setup checklists and starter DFT packages from uploaded structures.
Prepare adsorption-energy calculations and compute E_ads from slab, adsorbed slab, and reference energies.
Prepare magnetic DFT starting settings, MAGMOM hints, DFT+U notes, and SOC/noncollinear guidance.
Generate ordered representative structures for partial substitutions, alloys, and solid solutions.
Parse phonopy/QE phonon outputs, flag imaginary modes, plot phonon band/DOS/thermal curves, and export mode data.
Generate simple top and bridge adsorption-site candidates from a slab structure.
Estimate work function and surface dipole metrics from vacuum/Fermi levels or potential profiles.
Generate a slab from a bulk structure, relax bulk/slab with MLIP, and estimate surface energy plus a first-pass wetting proxy.
Find materials with similar composition.
Find materials with similar crystal structures.
Enumerate ordered supercell configurations for partially occupied or substitutionally disordered crystals.