Top SitesEmpowering Innovation & Scientific Discoveries | CAS

Machine Readiness

Stored receipt and evidence

Overall

20

Readable

65

Callable

0

Commerce

0

Payment

0

Machine Access

Inspect the site's MCP endpoint

Open MCP explorer

DialtoneApp can scan the stored discovery files for this domain, try the MCP initialize handshake, and show the raw protocol transcript.

Purchase boundary

read only

Control boundary

unknown

Payment rails

None

Payment providers

None

Payment methods

None

Payment protocols

None

Payment assets

None

Payment networks

None

Capabilities

None

Verified payment surface

No

Crypto only

No

Readable docs

robots, llms

Products

0

Variants

0

Priced variants

0

Currencies

0

Offers

0

Priced offers

0

Priced actions

0

Samples

Offer samples

No stored offer samples.

Samples

Action samples

No stored action samples.

Samples

Product samples

No stored product samples.

Document

robots.txt

Open robots.txt
User-agent: Googlebot
User-agent: *
Allow: /
Disallow: /admin/
Disallow: /private/
Disallow: /temp/
Disallow: /cgi-bin/
Disallow: /search
Disallow: /*?*
Disallow: /404.html

# Block error pages to prevent soft 404s
Disallow: /error/
Disallow: /errors/
Disallow: /not-found/

# Add URLs for soft 404 pages specifically
Disallow: /no-results
Disallow: /empty-search
Disallow: /coming-soon

# Crawl delay to reduce server load (optional)
Crawl-delay: 10

Sitemap: https://www.cas.org/sitemap.xml

Document

llms.txt

Open llms.txt
# CAS (Chemical Abstracts Service)

> The world's authority for scientific information in chemistry and related sciences

## About CAS

CAS is a division of the American Chemical Society that provides the most comprehensive and authoritative collection of disclosed chemical substance information. Founded in 1907, CAS serves as the global authority for scientific information in chemistry, biochemistry, materials science, and related disciplines.

## Core Products & Databases

### CAS Registry
- The world's largest collection of disclosed chemical substance information
- Contains over 200+ million unique organic and inorganic substances
- Each substance assigned a unique CAS Registry Number® (CAS RN®)
- Includes detailed structural, physical, and chemical property data
- URL: https://www.cas.org/cas-data/cas-registry

### CAS SciFinder
- Comprehensive research discovery platform for chemistry and related sciences
- Access to scientific literature, patents, chemical substances, and reactions
- Advanced search capabilities including structure search and retrosynthesis planning
- URL: https://www.cas.org/solutions/cas-scifinder-discovery-platform/cas-scifinder

### CAS STNext
- Professional patent and literature intelligence platform
- Advanced search tools for intellectual property research
- Deep technical analysis capabilities
- URL: https://www.cas.org/solutions/stn-ip-protection-suite/stnext

### CAS Formulus
- Formulation science platform
- Predictive modeling for product development
- Ingredient selection and optimization tools
- URL: https://www.cas.org/solutions/cas-scifinder-discovery-platform/cas-formulus

### CAS BioFinder Discovery Platform
- Specialized tool for biosequence and biomolecule research
- Protein, DNA, and RNA sequence searching
- Connection to chemical structures and biological activities
- URL: https://www.cas.org/solutions/biofinder-discovery-platform

## Industry Solutions

### CAS Content Collection
- Curated chemistry databases for enterprise integration
- APIs and data feeds for workflow automation
- Customizable data packages
- URL: https://www.cas.org/cas-data

### CAS Custom Services
- Tailored research and data analysis
- Literature monitoring and alerting
- Specialized content extraction and curation
- URL: https://www.cas.org/services/cas-custom-services

## Key Resources

### CAS Registry Number Lookup
- Free tool to look up and verify CAS Registry Numbers
- URL: https://www.cas.org/cas-data/cas-registry

### Common Chemistry
- Free access to chemical substance data for 500,000+ substances
- Downloadable structure files and property information
- URL: https://commonchemistry.cas.org

### CAS Insights
- Latest news in chemistry, materials science, and drug discovery
- Industry trends and scientific breakthroughs
- URL: https://www.cas.org/resources/cas-insights

### Webinars & Events
- Educational webinars on research techniques and tools
- Scientific symposia and conferences
- Training sessions for CAS products
- URL: https://www.cas.org/cas-webinars

## Research Areas

CAS provides specialized content and tools for:

- Drug Discovery & Development
- Materials Science & Engineering
- Agrochemicals & Crop Protection
- Environmental Chemistry & Sustainability
- Patent & Intellectual Property Analysis
- Regulatory Compliance & Safety
- Chemical Reactions & Synthesis
- Polymer Science
- Biotechnology & Life Sciences

## Support & Documentation

### Help & Training
- Comprehensive user guides and tutorials
- Video training resources
- Live chat support
- URL: https://www.cas.org/training

### Contact Information
- General Inquiries: https://www.cas.org/contact
- Customer Support: https://www.cas.org/contact


## Academic & Educational Access

CAS provides special programs for:
- Academic institutions and research universities
- Teaching and educational purposes
- Student training and workshops

URL: https://www.cas.org/solutions/cas-scifinder-discovery-platform/academics

## Company Information

- Parent Organization: American Chemical Society (ACS)
- Headquarters: Columbus, Ohio, USA
- Global offices in North America, Europe, Asia, and other regions
- URL: https://www.cas.org/about

## Key Facts

- 200+ million unique chemical substances indexed
- 500+ million biosequences curated
- Coverage of literature dating back to 1907
- Content from 10,000+ scientific journals
- Patent coverage from 64+ patent authorities worldwide
- Updated daily with new scientific discoveries

---

*For the most current information about CAS products, services, and scientific data, please visit https://www.cas.org*

*Last updated: 2025*

Document

llms-full.txt

Not stored for this site.