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Chemistry predicted
before it is run on the bench.

The Interactive Virtual Reactor predicts a route's yield, cost, and impurities before the first flask.

Predicted yield · 91%ΔT · +12 °CPurity · 96.1%Pressure · 8 barReacting · t + 2 h 14 minenergy profile
The Problem

Six months per molecule, lost to trial and error.

Chemists lose up to six months per molecule to routes that looked right on paper and failed in the flask. Around 40% of first attempts fail. The retries are the expensive part.

  1. Target molecule

    week 1

  2. Literature review

    week 2

  3. Route design

    week 4

  4. Feasibility

    week 5

    no reaction · retry ↩

  5. Optimization

    weeks 6–20

    low yield · retry ↩

    23% yield · target 85%

  6. Scale-up

    month 4

  7. Manufacturing

    month 6+

cost · uncertainty ↑

Proposed solution

Meet Chemstack

One workspace, from target molecule to manufacturing handover.

Chemstack · (S)-ibuprofen
Day 1Live demo

Draw the target molecule

(S)-ibuprofen · C₁₃H₁₈O₂

Inside the reactor · DFT-grounded

A reaction is a quantum-mechanical event.

Electrons rearrange, bonds form and break, barriers are crossed. The Chemistry World Model computes that physics from first principles. Not from precedent.

Inside the Virtual ReactorRun
Target Molecule
Literature
Patents
Process Constraints
Commercial Targets

Interactive

Virtual Reactor

Predicted Yield
Cost Estimate
Patent Risk
Scale-up Readiness
Manufacturing Score

Explore

Evaluate routes, compare conditions, and optimise pathways before a single physical experiment. The lab becomes the place for confirmation, not exploration.

The Chemistry World ModelDescriptors
energy levelsreaction probabilityReactivitySelectivityPredicted yieldConditionsRoute ranking

molecular representation

Verify

Every prediction rests on computed chemistry: kinetics, thermodynamics, quantum descriptors, and traces back to its reasoning. Routes that would fail die on screen.

Why Chemstack

Literature says what worked. Chemstack says what will and why.

Search tools stop at what has been reported.
Chemstack evaluates impurities, waste, cost, and IP risk before it's run on the bench.

Reactor checks · Route Arunning

Impurity prediction

α-epimer · 4.1%

Side products and carry-over impurities flagged per route, before they appear in your HPLC.

What changes in a chemist's week: routes ready in days, one experiment worth running, and one workspace.

Route timeline · (S)-ibuprofen

Bench-ready in days

Routes are predicted before they are run, so a bench-ready procedure arrives in days instead of months of retries.

Route funnel · 12,648 candidates
RoutesFeasibleDOESimulatedRecommendedBench
12,648
126
12
5
2
1

Faster decisions

12,648 candidate routes narrowed to the one experiment worth running, with yield and cost attached.

Workspace · Route A campaign

One workspace

Routes, runs, results and decisions for the whole campaign in one shared space, with every change recorded.

Every molecule obeys the same physics.

Pharmaceuticals, agrochemicals and specialty chemicals. The same physics, run on every one of them.

Chemstack is built for the people who find those routes.

Building with

The chemists and researchers behind the Chemistry World Model.

Crystallography, process chemistry and machine learning, from people who still run the molecules through it themselves.

GD

Prof. Gautam Desiraju

  • 14th Ewald Prize in Chemistry
  • Past President, IUCr
SI

Dr. Sarathy Iyengar

  • PhD in Organic Chemistry
  • Ex-R&D Head, SRF
DW

Dr. Deepak Warrier

  • PhD in Computational Research
  • 3+ publications in ICML & KDD
  • Ex-VP Data Science, Myntra & BlackBuck
Bring your molecule

Request a synthesis deep-dive.

Share a molecule of interest. Our system and scientists return a deep-dive within three working days. No commitment.

Your deep-dive contains

  • Ranked candidate routes
  • DOE starting points
  • Impurity outlook
  • FTO scan
  • Raw material cost
  • Green-chemistry metrics

Your structure is used only for this deep-dive. NDA available on request.

* required