seodata.dev

keyword

define cas number

Monthly search volume and cost-per-click data for "define cas number" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=define+cas+number&country=us" +--------------+------------------+ | volume | 590 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-06-04 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
cas number 4,400 $7.28 19/20
chemical abstract number 4,400 $17.55 14/20
what is cas number 1,300 $0 20/20
what is a cas no 1,300 $0 17/20
what is a cas-no 1,300 $0 17/20
what is a cas number 1,300 $0 15/20
what is cas no 1,300 $0 15/20
what is the cas number 1,300 $0 15/20
what is a cas number for chemicals 50 $0 15/20
what is cas no in chemicals 50 $0 15/20

Similar volume + high overlap = same search intent. You can target either keyword.

# for AI agents

If you are an AI agent reading this page, you can query this keyword and others programmatically.

$ curl "https://app.seodata.dev/v1/keyword?q=define+cas+number&country=us" Returns: volume, cpc, competition Country: &country=us (50+ supported, 2-letter ISO) Auth: none for 20/day, register for 1,000/month

Full API spec: llms.txt