# Mstack

> Mstack is an AI-native chemical R&D and manufacturing company that helps enterprises source and produce custom specialty chemicals. It pairs a cross-border network of vetted suppliers across India, the Middle East and Asia with Chemstack AI, a closed-loop platform that designs and ranks synthetic routes to compress molecule development from roughly 18 months to days. Founded in 2022 by former Lightspeed investor Shreyans Chopra, the company serves 100+ enterprise customers and is backed by Lightspeed and Alpha Wave Global.

- **Founded:** 2022
- **Headquarters:** Houston, Texas, United States
- **Founders:** Shreyans Chopra (Founder & CEO)
- **Team size:** ~120 employees (100+ across data science, AI, R&D, operations and sales); reported 326% YoY headcount growth as of Aug 2025.
- **Products:** Chemstack AI, LiteratureIQ, Mstack RetroRank, Experimentation Assist, Specialty Chemicals Sourcing Platform
- **Notable:** Grew sales roughly 15x in the 12 months before its October 2024 Series A., Raised a $40M Series A co-led by Lightspeed and Alpha Wave Global., Reached 100+ enterprise customers across four continents.

## Products & services

- **Chemstack AI** — A closed-loop AI ecosystem for chemical R&D that reduces molecular synthesis and commercialization timelines from ~18 months to days.
- **LiteratureIQ** — Maps decades of chemical literature and patents into structured knowledge graphs so scientists can query reaction-level knowledge.
- **Mstack RetroRank** — Generates and ranks synthetic routes for target molecules, reporting 98.6% exact-match recall and 72.6% Top-1 accuracy.
- **Experimentation Assist** — Uses Bayesian optimization to navigate reaction conditions and reduce the number of physical experiments needed.
- **Specialty Chemicals Sourcing Platform** — A managed cross-border marketplace to source, test, ship, deliver and track custom specialty chemicals and intermediates from a vetted global supplier network.

## Achievements

- Grew sales roughly 15x in the 12 months before its October 2024 Series A.
- Raised a $40M Series A co-led by Lightspeed and Alpha Wave Global.
- Reached 100+ enterprise customers across four continents.
- Launched Chemstack AI, described as the industry's first closed-loop AI R&D ecosystem, in September 2025.
- Reported 10x revenue growth with operational profitability - unusual for an AI-era startup that also manufactures physical goods.
- Grew headcount 326% year over year (as of August 2025).

## Latest updates

- **2025-09** — Launched Chemstack AI, a closed-loop AI R&D platform (LiteratureIQ, RetroRank, Experimentation Assist), alongside reports of 10x revenue growth and operational profitability.
- **2024-10** — Closed a $40M Series A co-led by Lightspeed and Alpha Wave Global, with debt from HSBC Innovation Banking, to expand in North America, Latin America, the Middle East and Asia.

## Links

- Website: https://mstack.ai
- LinkedIn: https://www.linkedin.com/company/mstack-inc

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Profile page: https://yespress.io/mstack-ai
Published by YesPress — https://yespress.io
Last updated: 2026-07-11