Methylphenidate d9

Manufactured by Cerilliant

Sourced in United States

Methylphenidate-d9 is a stable isotope-labeled compound used as an internal standard or reference material in analytical methods. It has a molecular formula of C14H19D9NO2 and a molecular weight of 260.35 g/mol. The deuterated methyl groups provide increased mass separation for improved detection and quantitation in analytical techniques such as mass spectrometry.

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Methylphenidate

2 protocols using methylphenidate d9

Comprehensive Synthetic Cathinone Analysis

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The stock standard solutions of amphetamine (A), methamphetamine (MA), phenylpropanolamine (PHPR), ephedrine, pseudoephedrine (PSE), 3,4-methylenedioxyamphetamine (MDA), 3,4-methylenedioxymethamphetamine (MDMA), 3,4-methylenedioxy-N-ethylamphetamine (MDEA), phentermine (PHRM), methylphenidate (MPHD), bupropion, hydroxybupropion, methcathinone (ephedrone), methedrone (PMMC), mephedrone (4-MMC), methylone (MDMC), ethylone (MDEC), 3,4-methylenedioxypyrovalerone (MDPV), and alpha-pyrrolidinopentiophenone (alpha-PVP) at a concentration of 1.0 mg mL -1 for each analyte in methanol were purchased from Cerilliant (Round Rock, Texas, USA). Stock standard solutions of the internal standards (ISTDs), namely amphetamine-d11, methamphetamine-d11, ephedrine-d3, pseudoephedrine-d3, norpseudoephedrine-d3, MDA-d5, MDMA-d5, MDEA-d5, phentermine-d5, methylphenidate-d9, bupropion-d9, hydroxybupropion-d6, mephedrone-d3, and methylone-d3, were also purchased from Cerilliant (Round Rock, TX, USA) at a concentration of 100 µg mL -1 in methanol.

Karampela S., Smith J.A., & Bernauer U. (2021). Determination of 19 Psychoactive Substances in Premortem and Postmortem Whole Blood Samples Using Ultra-High-Performance Liquid Chromatography–Tandem Mass Spectrometry. Separations, 8(6), 78-78.

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Quantification of Pharmaceutical Markers

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All chemicals and their corresponding isotopically-labeled analogs were obtained from various vendors. Acetaminophen, Acetaminophen-d4, amitriptyline, amitriptyline-d3, aripiprazole, aripiprazole-d8, benzoylecgonine, benzoylecgonine-d3, buprenorphine, buprenorphine-d4, caffeine, carbamazepine, carbamazepine-d10, diltiazem, diphenhydramine, diphenhydramine-d3, duloxetine, duloxetine-d3, fluoxetine, fluoxetine-d6, ketamine, ketamine-d3, methylphenidate, methylphenidate-d9, norfluoxetine, norfluoxetine-d6, promethazine, promethazine-d3, and sertraline were purchased as certified analytical standards from Cerilliant (Round Rock, TX, USA). Diamond UV water purification system was used throughout sample analysis to provide 18 MΩ water.

Ondarza P.M., Haddad S.P., Avigliano E., Miglioranza K.S.B, & Brooks B.W. (2019). Pharmaceuticals, illicit drugs and their metabolites in fish from Argentina: Implications for protected areas influenced by urbanization. The Science of the total environment, 649.

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