# CIR (Chemical Identifier Resolver)

**URL:** <https://forum.knime.com/t/cir-chemical-identifier-resolver/74930>\
**Category:** Cheminformatics\
**Created:** [November 1, 2023, 4:39pm UTC](https://forum.knime.com/t/cir-chemical-identifier-resolver/74930 "2023-11-01T16:39:52Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![AlanBarnes](https://forum-cdn.knime.com/letter_avatar_proxy/v4/letter/a/bbce88/32.png) [@AlanBarnes](https://forum.knime.com/u/AlanBarnes)\
**Post date:** [November 1, 2023, 4:39pm UTC](https://forum.knime.com/t/cir-chemical-identifier-resolver/74930/1 "2023-11-01T16:39:52Z")

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Does anybody know if this is available in the latest version of KNIME (5.1.2). I used it in an earlier version about a year ago on an old PC.

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**Author:** ![steffen\_KNIME](https://forum-cdn.knime.com/user_avatar/forum.knime.com/steffen_knime/32/33719_2.png) [@steffen\_KNIME](https://forum.knime.com/u/steffen_KNIME)\
**Post date:** [November 2, 2023, 11:07am UTC](https://forum.knime.com/t/cir-chemical-identifier-resolver/74930/2 "2023-11-02T11:07:22Z")

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Dear @AlanBarnes,

yes, please have a look here: [KNIME Analytics Platform Installation Guide](https://docs.knime.com/latest/analytics_platform_installation_guide/index.html#community-extensions-510)

Why, could you not install it?

Steffen

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**Author:** ![AlanBarnes](https://forum-cdn.knime.com/letter_avatar_proxy/v4/letter/a/bbce88/32.png) [@AlanBarnes](https://forum.knime.com/u/AlanBarnes)\
**Post date:** [November 2, 2023, 12:40pm UTC](https://forum.knime.com/t/cir-chemical-identifier-resolver/74930/3 "2023-11-02T12:40:34Z")

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Hi Steffen,

I found it - the KNIME Community Extensions (Experimental) was unticked in Preferences \> Available Software sites. It’s installed now 🙂

Thank you for your help.

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**Author:** ![system](https://forum-cdn.knime.com/uploads/default/original/1X/ab3ccf34482a0329361734a18199390177204f15.png) [@system](https://forum.knime.com/u/system)\
**Post date:** [November 9, 2023, 12:40pm UTC](https://forum.knime.com/t/cir-chemical-identifier-resolver/74930/4 "2023-11-09T12:40:37Z")

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