May 2026
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Global Rank
#143,158
1,162Showing Similarweb estimated data.
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Bounce Rate
45.36%
Pages per Visit
2.85
Avg Visit Duration
00:01:31
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Top 10 chemspider.com Competitors
The Top 10 Sites Like chemspider.com in May 2026 are ranked by their affinity to chemspider.com in terms of keyword traffic, audience targeting, and market overlap
PubChem is the world's largest collection of freely accessible chemical information. Search chemicals by name, molecular formula, structure, and other identifiers. Find chemical and physical properties, biological activities, safety and toxicity information, patents, literature citations and more.
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Bounce Rate
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Similarity Score
100%home
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- Sigma-Aldrich
Global Rank
#13,665
2,137Bounce Rate
48.35%
Pages per Visit
3.04
Avg Visit Duration
00:03:08
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93%Zinc oxide (CAS 1314-13-2) information, including chemical properties, structure, melting point, boiling point, density, formula, molecular weight, uses, prices, suppliers, SDS and more, available at Chemicalbook.
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- ChemicalBook
Bounce Rate
51.13%
Pages per Visit
3.67
Avg Visit Duration
00:02:46
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89%Santa Cruz Biotechnology Support Products includes a broad range of lysates, proteins, purification reagents, and more for research applications.
Bounce Rate
52.13%
Pages per Visit
1.79
Avg Visit Duration
00:01:16
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82%tci is a global manufacturer of chemicals for research and development, with reagents for chemistry, life science, materials science, and analytical chemistry.
Bounce Rate
50.91%
Pages per Visit
2.59
Avg Visit Duration
00:03:18
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79%What are the changes with new Molport web experience - frequently asked questions answered- Molport blog
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Global Rank
#792,287
12,208Bounce Rate
38.25%
Pages per Visit
2.35
Avg Visit Duration
00:00:43
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77%- Company
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Bounce Rate
32.94%
Pages per Visit
3.27
Avg Visit Duration
00:02:14
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74%- Company
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Bounce Rate
53.68%
Pages per Visit
3.64
Avg Visit Duration
00:02:53
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72%Chemsrc provides 3-Indoleacetic acid(CAS#:87-51-4) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. Articles of 3-Indoleacetic acid are included as well.
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Bounce Rate
50.46%
Pages per Visit
1.73
Avg Visit Duration
00:00:43
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68%bldpharm provides a catalog over 600,000+ products, including building blocks, advanced intermediates, amino acids and peptides, catalysts and ligands, natural products, nucleotides, etc. over 1,000 novel chemicals are continually added into bld's product list on a monthly basis.
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- BLDpharm
Bounce Rate
37.58%
Pages per Visit
3.30
Avg Visit Duration
00:03:44
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66%chemspider.com's top 5 competitors in May 2026 are: pubchem.ncbi.nlm.nih.gov, sigmaaldrich.com, chemicalbook.com, scbt.com, and more.
According to Similarweb data of monthly visits, chemspider.com’s top competitor in May 2026 is pubchem.ncbi.nlm.nih.gov. chemspider.com 2nd most similar site is sigmaaldrich.com, and closing off the top 3 is chemicalbook.com.
scbt.com ranks as the 4th most similar website to chemspider.com and tcichemicals.com ranks fifth in May 2026.
The other five competitors in the top 10 list are molport.com, hmdb.ca, webbook.nist.gov, chemsrc.com, and bldpharm.com.