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Carnegine

chemical compound

Specimen drawers, botanical folios and brass scientific instruments under study light
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Record originEnglish Wikipedia
Text licenseCC BY-SA 4.0
Source revisionJul 24, 2026
Entity authorityQ27277280
Source-derived summary

Carnegine, also known as pectenine, DMMM-4, or 6,7-dimethoxy-1,2-dimethyl-1,2,3,4-tetrahydroisoquinoline, is a tetrahydroisoquinoline and cyclized phenethylamine alkaloid found in the cacti species Carnegiea gigantea and Pachycereus pringlei.

It is known to be pharmacologically active, including acting as a relatively potent monoamine oxidase inhibitor (MAOI), specifically of monoamine oxidase A (MAO-A) (Ki = 2 μM for the (R)-enantiomer) but not of monoamine oxidase B (MAO-B), producing strychnine-like convulsions in animals, and having other actions and effects. Carnegine and similar alkaloids might potentiate the effects of mescaline and related compounds like N-methylmescaline via monoamine oxidase inhibition.

The compound was first isolated in 1901 and was first synthesized in 1929.

Editorial summary

Begin with the source’s own compact description: “Carnegine” is chemical compound. The dossier treats that line as a proposition to test through Carnegine, chemical and compound, not as a finished interpretation.

Editorial reviewA sound reference starting point where classification, measurement and the date of the underlying evidence remain visible. The current lead gives the account dated anchors—1901, 1929—that can be checked directly. The selected authority fields contribute no independent date. For this dossier, Carnegine, chemical and compound is the immediate research focus.
Editorial analysis

Why this record matters

The phrase “chemical compound” supplies a clear boundary for inquiry. It also exposes the unanswered questions: who defined that boundary, when it became stable and which sources sit outside it.

Evidence profile

Stable identifiers, scientific names and standards terminology offer the best bridge between this overview and specialist evidence. The source revision retrieved here is dated Jul 24, 2026. The linked authority identifier is Q27277280. None of the 0 selected statements returned an explicit reference. The first chronological checks are 1901 and 1929.

Critical limits

Current terminology should not be projected backward without checking the classification used when the underlying evidence was created. The source lead contains qualifying language; that uncertainty should survive quotation, summary and reuse. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.

How to read it

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  2. Expand the search: follow Carnegine primary sources, Carnegine archive and Carnegine research across catalogues and specialist indexes.
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Source & attribution

This entry incorporates text from Carnegine” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.