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b12 Labs

Pre-SeedFunding signal
b12-labs.com/HealthcareSan Francisco, CA, USA
Market index

Market data is refreshed once per day from public sources. Information may be incomplete or outdated — verify independently before making decisions. This is not investment advice.

Investor read

Evidence-bound summary — expand sections for movement, risks, and signals.

Memo snapshot · May 20, 2026, 6:30 PM

Worth a meetingEvidence-bound analyst verdict
  • •Funding: Raised $500K across 1 funding round. Latest: $500K Pre-seed (Jan 2025). Investors: Y Combinator.
  • •Named backers in indexed sources: Y Combinator.
  • •Hiring: 2 hiring‑related row(s); role‑spam risk if mostly generic boards
  • •Product/news: 3 product/news‑styled row(s); headline risk without filings

DealFlow OS uses public web data and automated enrichment. Research may be incomplete, outdated, or incorrect. Verify important information before making investment or outreach decisions.

TL;DR

Seed (YC)

b12 labs — AI-powered chemical synthesis Full-stack AI platform for chemical synthesis planning and lab automation.

Funding

Raised $500K across 1 funding round. Latest: $500K Pre-seed (Jan 2025). Investors: Y Combinator. (High).

Quick read

  • •b12 labs — AI-powered chemical synthesis Full-stack AI platform for chemical synthesis planning and lab automation.
  • •Reported angle: b12 labs

Key signals

Funding

Raised $500K across 1 funding round. Latest: $500K Pre-seed (Jan 2025). Investors: Y Combinator. (High).

Hiring

2 hiring‑related row(s); role‑spam risk if mostly generic boards (High).

Product / news

3 product/news‑styled row(s); headline risk without filings (High).

Evidence summary

Verified facts

  • •b12 labs — AI-powered chemical synthesis Full-stack AI platform for chemical synthesis planning and lab automation.
  • •Reported angle: b12 labs

Recent movers

  • •May 11, 2026 · Blog / news — b12 labs
  • •May 11, 2026 · Careers — b12 labs
  • •May 20, 2026 · ycombinator.com — b12 Labs | Y Combinator

+1 more in Recent movement below

  • •May 11, 2026 · Blog / news — b12 labs
  • •May 11, 2026 · Careers — b12 labs
  • •May 20, 2026 · ycombinator.com — b12 Labs | Y Combinator
  • •May 11, 2026 · Blog / news — Blog
  • •Y Combinator

Suggested next steps

  • ▸Open a founder conversation this month; validate traction claims against the indexed evidence.
  • ▸Add to the active watchlist so new signals trigger alerts.

Funding & hiring signals

funding_articleConfidence: low

b12 Labs | Y Combinator

YC-backed chemical copilot for pharma and biotech.

Affected score: noObserved: May 20, 2026

Weak funding evidence: mention does not include a parsed raise amount/round and may refer to non-funding context.

Open roles (indexed)

No open roles indexed yet.

Public index
55Activity 97/100Strong public activity signal
7D—
30D+16 (+41.0%)
High Confidence

The index price and activity score are algorithmic estimates based on observed public company-level signals. They may be incomplete, stale, or inaccurate and are not investment, legal, tax, or business advice.

Source health

  • public_page:homeok
    Last checked Mon, Jun 29, 01:25 AM
  • public_market_enrichmentok
    Last checked Mon, May 11, 05:15 AM
  • public_page:_pressok
    Last checked Mon, May 11, 05:15 AM
  • public_page:_newsok
    Last checked Mon, May 11, 05:15 AM
  • public_page:_jobsok
    Last checked Mon, May 11, 05:15 AM
  • public_page:_companyok
    Last checked Mon, May 11, 05:15 AM
  • public_page:_careersok
    Last checked Mon, May 11, 05:15 AM
  • public_page:_blogok
    Last checked Mon, May 11, 05:15 AM
  • public_page:_aboutok
    Last checked Mon, May 11, 05:15 AM
  • public_page:_ok
    Last checked Mon, May 11, 05:15 AM

Signal timeline

13 dated public signals · newest on the right

Funding
Hiring
Press
Company
Other
Dec 10, 2024Oct 2, 2025Jul 24, 2026
Funding (1)Hiring (2)Press (4)Company (3)Other (3)

Signal breakdown

Latest momentum signal per category. Expand a card to inspect raw payloads.

Public source summary

Total evidence rows
13
Latest evidence
Thu, Jul 2, 03:24 PM

Source types found

about_pageblogcareers_pagecompany_sitefunding_articleofficial_siteotherpress

Strongest / recent news-style rows

  • b12 Labs | Y Combinator

    Wed, May 20, 06:30 PM · confidence 88%high quality

  • b12 labs

    About / company · Mon, May 11, 05:15 AM · confidence 90%high quality

  • b12 labs

    About / company · Mon, May 11, 05:15 AM · confidence 90%high quality

Public signal timeline

Newest first · 13 event(s)

1
Thu, Jul 2, 03:24 PM · blog · 90% · publichigh qualityBlog | b12 labs

Source: Blog

Updates, insights, and technical writing from the b12 labs team.

Source ↗
2
Mon, Jun 29, 01:25 AM · official_site · 75% · publichigh qualityb12 labs

Source: official_site

b12 labs Cloud Reactions Publications Team Blog Get Started Cloud Reactions Publications Team Blog Backed by Y Combinator AI-Powered Chemical Synthesis AI that designs, optimizes, and runs chemical reactions. Accelerating pharma R&D from years to months. Get…

Source ↗
3
Wed, May 20, 06:30 PM · company_site · 85% · verified_publichigh qualityb12 labs — AI-powered chemical synthesis

Full-stack AI platform for chemical synthesis planning and lab automation.

Source ↗
4
Wed, May 20, 06:30 PM · funding_article · 88% · verified_publichigh qualityb12 Labs | Y Combinator

YC-backed chemical copilot for pharma and biotech.

Source ↗
5
Mon, May 11, 05:15 AM · blog · 90% · publichigh qualityb12 labs

Source: Blog / news

AI-powered chemical synthesis platform. Plan complex routes, design experiments, automate workflows, or order synthesis.

Source ↗
6
Mon, May 11, 05:15 AM · blog · 90% · publichigh qualityb12 labs

Source: Blog / news

AI-powered chemical synthesis platform. Plan complex routes, design experiments, automate workflows, or order synthesis.

Source ↗
7
Mon, May 11, 05:15 AM · careers_page · 90% · publichigh qualityb12 labs

Source: Careers

AI-powered chemical synthesis platform. Plan complex routes, design experiments, automate workflows, or order synthesis.

Source ↗
8
Mon, May 11, 05:15 AM · about_page · 90% · publichigh qualityb12 labs

Source: About / company

AI-powered chemical synthesis platform. Plan complex routes, design experiments, automate workflows, or order synthesis.

Source ↗
9
Mon, May 11, 05:15 AM · careers_page · 90% · publichigh qualityb12 labs

Source: Careers

AI-powered chemical synthesis platform. Plan complex routes, design experiments, automate workflows, or order synthesis.

Source ↗
10
Mon, May 11, 05:15 AM · about_page · 90% · publichigh qualityb12 labs

Source: About / company

AI-powered chemical synthesis platform. Plan complex routes, design experiments, automate workflows, or order synthesis.

Source ↗
11
Mon, Jun 29, 01:25 AM · other · 50% · publiclow qualityB1 (classification)

Source: wikipedia

Source ↗
12
Mon, Jun 29, 01:25 AM · other · 50% · publiclow qualityBug Labs

Source: wikipedia

Source ↗
13
Wed, May 20, 06:30 PM · press · 85% · verified_publiclow qualityLaunch YC: b-12 - Chemistry Copilot

Selenium, Palladium, Cobalt modules for synthesis workflows.

Source ↗

Official / company site

2 row(s)

The company's own site — the authoritative description of what they sell and to whom. Marketing-controlled, so treat claims as positioning rather than verified traction.

official_site·Mon, Jun 29, 01:25 AM·Confidence 75%high qualitypublic
b12 labs

b12 labs Cloud Reactions Publications Team Blog Get Started Cloud Reactions Publications Team Blog Backed by Y Combinator AI-Powered Chemical Synthesis AI that designs, optimizes, and runs chemical reactions. Accelerating pharma R&D from years to months. Get…

Why it matters: Primary source — the company's own positioning; best read for what they sell and to whom, not for traction claims.

Open source ↗
company_site·Wed, May 20, 06:30 PM·Confidence 85%high qualityverified_public
b12 labs — AI-powered chemical synthesis

Full-stack AI platform for chemical synthesis planning and lab automation.

Why it matters: Primary source — the company's own positioning; best read for what they sell and to whom, not for traction claims.

Open source ↗

News

5 row(s)

Third-party press coverage. Independent reporting corroborates company claims; repeated coverage across outlets is a momentum signal.

about_page·Mon, May 11, 05:15 AM·Confidence 90%high qualitypublic
b12 labs

AI-powered chemical synthesis platform. Plan complex routes, design experiments, automate workflows, or order synthesis.

Why it matters: Independent coverage — third-party corroboration of company claims; recurring coverage indicates rising visibility.

Open source ↗
about_page·Mon, May 11, 05:15 AM·Confidence 90%high qualitypublic
b12 labs

AI-powered chemical synthesis platform. Plan complex routes, design experiments, automate workflows, or order synthesis.

Why it matters: Independent coverage — third-party corroboration of company claims; recurring coverage indicates rising visibility.

Open source ↗
other·Mon, Jun 29, 01:25 AM·Confidence 50%low qualitypublic
B1 (classification)

Why it matters: Independent coverage — third-party corroboration of company claims; recurring coverage indicates rising visibility.

Open source ↗
other·Mon, Jun 29, 01:25 AM·Confidence 50%low qualitypublic
Bug Labs

Why it matters: Independent coverage — third-party corroboration of company claims; recurring coverage indicates rising visibility.

Open source ↗
press·Wed, May 20, 06:30 PM·Confidence 85%low qualityverified_public
Launch YC: b-12 - Chemistry Copilot

Selenium, Palladium, Cobalt modules for synthesis workflows.

Why it matters: Independent coverage — third-party corroboration of company claims; recurring coverage indicates rising visibility.

Open source ↗

Funding / news

1 row(s)

Funding announcements and investor-database records. The strongest public signal of capitalization: round, amount, and syndicate quality when disclosed.

funding_article·Wed, May 20, 06:30 PM·Confidence 88%high qualityverified_public
b12 Labs | Y Combinator

YC-backed chemical copilot for pharma and biotech.

Why it matters: Funding signal — Pre-Seed per this source; verify against the linked original before relying on it.

Open source ↗

Hiring

2 row(s)

Open roles and careers pages. Active hiring implies runway to spend and shows where the company is investing (engineering vs GTM vs ops).

careers_page·Mon, May 11, 05:15 AM·Confidence 90%high qualitypublic
b12 labs

AI-powered chemical synthesis platform. Plan complex routes, design experiments, automate workflows, or order synthesis.

Why it matters: Hiring signal — open roles imply runway to spend and show where the company is investing.

Open source ↗
careers_page·Mon, May 11, 05:15 AM·Confidence 90%high qualitypublic
b12 labs

AI-powered chemical synthesis platform. Plan complex routes, design experiments, automate workflows, or order synthesis.

Why it matters: Hiring signal — open roles imply runway to spend and show where the company is investing.

Open source ↗

Blog

3 row(s)

Company blog and newsletters. Shipping cadence and technical depth of posts hint at product velocity and team quality.

blog·Thu, Jul 2, 03:24 PM·Confidence 90%high qualitypublic
Blog | b12 labs

Updates, insights, and technical writing from the b12 labs team.

Why it matters: Company publishing — post cadence and depth hint at product velocity.

Open source ↗
blog·Mon, May 11, 05:15 AM·Confidence 90%high qualitypublic
b12 labs

AI-powered chemical synthesis platform. Plan complex routes, design experiments, automate workflows, or order synthesis.

Why it matters: Company publishing — post cadence and depth hint at product velocity.

Open source ↗
blog·Mon, May 11, 05:15 AM·Confidence 90%high qualitypublic
b12 labs

AI-powered chemical synthesis platform. Plan complex routes, design experiments, automate workflows, or order synthesis.

Why it matters: Company publishing — post cadence and depth hint at product velocity.

Open source ↗

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