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Talk:Malachite green

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This article was the subject of a Wiki Education Foundation-supported course assignment, between10 January 2022 and27 April 2022. Further details are availableon the course page. Student editor(s):Bbayliss2020 (article contribs).

Untitled

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The CAS lookup link at NIST does not seem to work; either the CAS numbers are wrong or NIST does not have it in its database.

Wiki Education Foundation-supported course assignment

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This article was the subject of a Wiki Education Foundation-supported course assignment, between3 September 2021 and16 December 2021. Further details are availableon the course page. Student editor(s):Paytonreiner.

Above undated message substituted fromTemplate:Dashboard.wikiedu.org assignment byPrimeBOT (talk)03:10, 17 January 2022 (UTC)[reply]

Cas numbers

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I made a search on Beilstein with a structural search. The compound was known as "MalachitGruen" with CAS number: 10309-95-2. However, the compound was not on the CAS database either. I removed the external links because they were broken and no longer relevant. The naming system of the forms of malachite green was based on the journal articles in the sources.

IUPAC name

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The IUPAC name quoted in the existing article doesn't make sense as stated because it doesn't account for the methylene moiety, so I checked on it. According to the Merck Index, the correct Chemical Abstracts Service (CAS)name for malachite green, which seems more logical to me, is:

N-[4-[[4-(Dimethylamino)-phenyl]phenylmethylene]-2,5-cyclohexadien-1-ylidene]-N-methylmethanaminium chloride

Merck also list the CAS number as: [569-64-2], which confirms that shown in the article.

A citation needed for Leucomalachite green as a presumptive test for blood.

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http://static.dna.gov/lab-manual/Linked%20Documents/Protocols/pdi_lab_pro_2.18.pdf

This page talks about the standard method of using leucomalachite green to detect blood. Specifically, you can't spray it around like you can luminol - the peroxide has to be added to the swab as a separate step. I was just watching a forensic files where they misused it.

The above is a lab SOP from a US Government site called "The DNA Initiative" (Site Root available throughhttp://www.dna.gov). I am going to try and add this as an external link and as a citation. If I am unable to do so properly perhaps someone else can, using this information.—Precedingunsigned comment added bySimicich (talkcontribs) 21:01, 8 July 2010 (UTC)Simicich (talk)21:03, 8 July 2010 (UTC)[reply]

External links modified

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Proposed merge withMalachite Green Test

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This page is unreferenced, yet appears to be a genuine test. It does not seem sufficiently notable to warrant a separate page, but is relevant to the main Malachite Green page.Parkywiki (talk)16:15, 27 December 2016 (UTC)[reply]

External links modified

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