<p>{"id":34546,"date":"2026-09-28T21:12:12","date_gmt":"2026-09-28T21:12:12","guid":{"rendered":"https:\/\/izchem.com\/?post_type=product&amp;p=34546"},"modified":"2026-09-28T21:12:20","modified_gmt":"2026-09-28T21:12:20","slug":"etonitazepyne","status":"publish","type":"product","link":"https:\/\/izchem.com\/pt\/etonitazepyne\/","title":{"rendered":"</p><p>ETONITAZEPINO&lt;\/p&gt;"},"content":{"rendered":"</p><p data-start='\"48\"' data-end='\"543\"'>A etonitazepina (tamb\u00e9m conhecida por N-pirrolidino etonitazeno) \u00e9 um opi\u00f3ide benzimidaz\u00f3lico sint\u00e9tico pertencente \u00e0 fam\u00edlia dos nitazenos. Tornou-se um composto importante na toxicologia forense, qu\u00edmica medicinal, qu\u00edmica anal\u00edtica e investiga\u00e7\u00e3o de recetores opi\u00f3ides devido \u00e0 sua estrutura qu\u00edmica e perfil anal\u00edtico distintos. Os laborat\u00f3rios utilizam a etonitazepina principalmente como padr\u00e3o de refer\u00eancia anal\u00edtico para a identifica\u00e7\u00e3o, valida\u00e7\u00e3o de m\u00e9todos, estudos de metabolismo e pesquisa de recetores.&lt;\/p&gt;</p><p data-start='\"545\"' data-end='\"696\"'>A etonitazepina \u00e9 fornecida exclusivamente para fins laboratoriais, anal\u00edticos e de investiga\u00e7\u00e3o cient\u00edfica, n\u00e3o estando aprovada para uso humano ou veterin\u00e1rio.&lt;\/p&gt;</p><h1 class='\"PDq2pG_selectionAnchorContainer\"' data-section-id='\"ltg7y0\"' data-start='\"1728\"' data-end='\"1752\"'>O que \u00e9 a etonitazepina?&lt;\/h1&gt;</h1><p data-start='\"1754\"' data-end='\"2094\"'>A etonitazepina \u00e9 um <strong data-start='\"1773\"' data-end='\"1814\"'>composto de benzimidazol da classe nitazeno&lt;\/strong&gt; que foi identificado em investiga\u00e7\u00f5es forenses e anal\u00edticas envolvendo opi\u00f3ides sint\u00e9ticos emergentes. Estruturalmente relacionado com outros derivados do benzimidazol, \u00e9 de interesse para os investigadores que estudam a farmacologia dos recetores opi\u00f3ides, a dete\u00e7\u00e3o anal\u00edtica e as vias metab\u00f3licas.&lt;\/p&gt;<p data-start='\"2096\"' data-end='\"2261\"'>Devido \u00e0 sua estrutura qu\u00edmica bem definida, a etonitazepina \u00e9 amplamente utilizada como material de refer\u00eancia para a identifica\u00e7\u00e3o em laborat\u00f3rio e desenvolvimento de m\u00e9todos anal\u00edticos.&lt;\/p&gt;</p><h1 data-section-id='\"ccn919\"' data-start='\"2268\"' data-end='\"2303\"'>Estrutura qu\u00edmica e Propriedades&lt;\/h1&gt;</h1><p data-start='\"2305\"' data-end='\"2385\"'>A etonitazepina possui diversas caracter\u00edsticas valiosas na investiga\u00e7\u00e3o laboratorial:&lt;\/p&gt;</p><ul data-start='\"2387\"' data-end='\"2643\"'>\n<li data-section-id='\"15oeggx\"' data-start='\"2387\"' data-end='\"2417\"'>Estrutura central do benzimidazol&lt;\/li&gt;\n</li><li data-section-id='\"1plnc86\"' data-start='\"2418\"' data-end='\"2453\"'>cadeia lateral contendo pirrolidina&lt;\/li&gt;\n</li><li data-section-id='\"ej3g9h\"' data-start='\"2454\"' data-end='\"2492\"'>Perfil molecular bem caracterizado&lt;\/li&gt;\n</li><li data-section-id='\"w7g0nr\"' data-start='\"2493\"' data-end='\"2532\"'>Adequado para an\u00e1lise cromatogr\u00e1fica.&lt;\/li&gt;\n</li><li data-section-id='\"iwq57\"' data-start='\"2533\"' data-end='\"2589\"'>Compat\u00edvel com os fluxos de trabalho LC-MS\/MS, GC-MS e LC-HRMS.&lt;\/li&gt;\n</li><li data-section-id='\"1lsg85c\"' data-start='\"2590\"' data-end='\"2643\"'>\u00datil para o desenvolvimento de bibliotecas de refer\u00eancia anal\u00edticas.&lt;\/li&gt;\n&lt;\/ul&gt;<p data-start='\"2645\"' data-end='\"2734\"'>Estas propriedades permitem a identifica\u00e7\u00e3o reprodut\u00edvel e a an\u00e1lise laboratorial quantitativa.&lt;\/p&gt;</p><h1 data-section-id='\"15qglsl\"' data-start='\"2741\"' data-end='\"2775\"'>A Investiga\u00e7\u00e3o Cient\u00edfica Aplica\u00e7\u00f5es&lt;\/h1&gt;</h1><p data-start='\"2777\"' data-end='\"2815\"'>A etonitazepina \u00e9 habitualmente utilizada em:&lt;\/p&gt;</p><ul data-start='\"2817\"' data-end='\"3063\"'>\n<li data-section-id='\"10pasf6\"' data-start='\"2817\"' data-end='\"2838\"'>qu\u00edmica medicinal&lt;\/li&gt;\n</li><li data-section-id='\"v3anrh\"' data-start='\"2839\"' data-end='\"2865\"'>Investiga\u00e7\u00e3o sobre receptores opioides&lt;\/li&gt;\n</li><li data-section-id='\"hv75gb\"' data-start='\"2866\"' data-end='\"2893\"'>Laborat\u00f3rios de farmacologia&lt;\/li&gt;\n</li><li data-section-id='\"52efec\"' data-start='\"2894\"' data-end='\"2926\"'>Investiga\u00e7\u00f5es sobre o metabolismo dos f\u00e1rmacos&lt;\/li&gt;\n</li><li data-section-id='\"1h4ibl2\"' data-start='\"2927\"' data-end='\"2949\"'>qu\u00edmica anal\u00edtica&lt;\/li&gt;\n</li><li data-section-id='\"xny62i\"' data-start='\"2950\"' data-end='\"2971\"'>toxicologia forense&lt;\/li&gt;\n</li><li data-section-id='\"25z60m\"' data-start='\"2972\"' data-end='\"2997\"'>A pesquisa farmac\u00eautica&lt;\/li&gt;\n</li><li data-section-id='\"1jykneb\"' data-start='\"2998\"' data-end='\"3030\"'>Institui\u00e7\u00f5es de investiga\u00e7\u00e3o acad\u00e9mica&lt;\/li&gt;\n</li><li data-section-id='\"emney3\"' data-start='\"3031\"' data-end='\"3063\"'>Desenvolvimento de padr\u00e3o de refer\u00eancia&lt;\/li&gt;\n&lt;\/ul&gt;<h1 data-section-id='\"1r8f9bb\"' data-start='\"3070\"' data-end='\"3095\"'>Aplica\u00e7\u00f5es Anal\u00edticas&lt;\/h1&gt;</h1><p data-start='\"3097\"' data-end='\"3148\"'>Os laborat\u00f3rios profissionais utilizam a Etonitazepina para:&lt;\/p&gt;</p><ul data-start='\"3150\"' data-end='\"3394\"'>\n<li data-section-id='\"1hrzeen\"' data-start='\"3150\"' data-end='\"3172\"'>LC-MS\/MS de calibra\u00e7\u00e3o&lt;\/li&gt;\n</li><li data-section-id='\"zjj6c5\"' data-start='\"3173\"' data-end='\"3195\"'>Identifica\u00e7\u00e3o por GC-MS&lt;\/li&gt;\n</li><li data-section-id='\"1s1ni0s\"' data-start='\"3196\"' data-end='\"3214\"'>An\u00e1lise LC-HRMS&lt;\/li&gt;\n</li><li data-section-id='\"16ik92r\"' data-start='\"3215\"' data-end='\"3240\"'>M\u00e9todo de HPLC desenvolvimento&lt;\/li&gt;\n</li><li data-section-id='\"13gesc4\"' data-start='\"3241\"' data-end='\"3271\"'>Valida\u00e7\u00e3o de m\u00e9todos anal\u00edticos&lt;\/li&gt;\n</li><li data-section-id='\"ilif90\"' data-start='\"3272\"' data-end='\"3297\"'>Testes de controlo de qualidade&lt;\/li&gt;\n</li><li data-section-id='\"9snk8m\"' data-start='\"3298\"' data-end='\"3329\"'>triagem toxicol\u00f3gica forense&lt;\/li&gt;\n</li><li data-section-id='\"1o83qr3\"' data-start='\"3330\"' data-end='\"3365\"'>Estudos de identifica\u00e7\u00e3o de metabolitos&lt;\/li&gt;\n</li><li data-section-id='\"y3i1w5\"' data-start='\"3366\"' data-end='\"3394\"'>Cria\u00e7\u00e3o de biblioteca de refer\u00eancia&lt;\/li&gt;\n&lt;\/ul&gt;<p data-start='\"3396\"' data-end='\"3491\"'>As suas caracter\u00edsticas anal\u00edticas reproduz\u00edveis fazem dele um material de refer\u00eancia eficaz para o laborat\u00f3rio.&lt;\/p&gt;</p><h1 data-section-id='\"1219ovd\"' data-start='\"3498\"' data-end='\"3521\"'>Investiga\u00e7\u00e3o em Farmacologia&lt;\/h1&gt;</h1><p data-start='\"3523\"' data-end='\"3582\"'>Os investigadores investigam a etonitazepina em estudos que envolvem:&lt;\/p&gt;</p><ul data-start='\"3584\"' data-end='\"3831\"'>\n<li data-section-id='\"qsf8c3\"' data-start='\"3584\"' data-end='\"3616\"'>Farmacologia do receptor \u03bc-opioide&lt;\/li&gt;\n</li><li data-section-id='\"3tk443\"' data-start='\"3617\"' data-end='\"3647\"'>intera\u00e7\u00f5es ligante-receptor&lt;\/li&gt;\n</li><li data-section-id='\"olmrrj\"' data-start='\"3648\"' data-end='\"3695\"'>Estudos de rela\u00e7\u00e3o estrutura-atividade (SAR)&lt;\/li&gt;\n</li><li data-section-id='\"gqf53q\"' data-start='\"3696\"' data-end='\"3722\"'>Vias de metaboliza\u00e7\u00e3o dos f\u00e1rmacos&lt;\/li&gt;\n</li><li data-section-id='\"10pasf6\"' data-start='\"3723\"' data-end='\"3744\"'>qu\u00edmica medicinal&lt;\/li&gt;\n</li><li data-section-id='\"peqty5\"' data-start='\"3745\"' data-end='\"3764\"'>Neurofarmacologia&lt;\/li&gt;\n</li><li data-section-id='\"yoprtn\"' data-start='\"3765\"' data-end='\"3788\"'>Toxicologia anal\u00edtica&lt;\/li&gt;\n</li><li data-section-id='\"11klsvh\"' data-start='\"3789\"' data-end='\"3831\"'>Identifica\u00e7\u00e3o de opi\u00f3ides sint\u00e9ticos emergentes&lt;\/li&gt;\n&lt;\/ul&gt;<p data-start='\"3833\"' data-end='\"3914\"'>Estas investiga\u00e7\u00f5es apoiam os avan\u00e7os na ci\u00eancia anal\u00edtica e na biologia dos recetores.&lt;\/p&gt;</p><h1 data-section-id='\"jjb0xd\"' data-start='\"3921\"' data-end='\"3959\"'>Por que raz\u00e3o os investigadores escolheram a etonitazepina?&lt;\/h1&gt;</h1><p data-start='\"3961\"' data-end='\"4011\"'>Os investigadores valorizam a etonitazepina porque oferece:&lt;\/p&gt;</p><ul data-start='\"4013\"' data-end='\"4298\"'>\n<li data-section-id='\"4ws8wt\"' data-start='\"4013\"' data-end='\"4037\"'>De alta pureza anal\u00edtica&lt;\/li&gt;\n</li><li data-section-id='\"12r202z\"' data-start='\"4038\"' data-end='\"4078\"'>Bem-caracteriza-se a estrutura molecular&lt;\/li&gt;\n</li><li data-section-id='\"sitn2n\"' data-start='\"4079\"' data-end='\"4117\"'>Desempenho cromatogr\u00e1fico fi\u00e1vel&lt;\/li&gt;\n</li><li data-section-id='\"1b3ixl5\"' data-start='\"4118\"' data-end='\"4159\"'>Excelentes propriedades de espectrometria de massa&lt;\/li&gt;\n</li><li data-section-id='\"1vek2qr\"' data-start='\"4160\"' data-end='\"4204\"'>Vasta aplica\u00e7\u00e3o em laborat\u00f3rios forenses&lt;\/li&gt;\n</li><li data-section-id='\"31hgb7\"' data-start='\"4205\"' data-end='\"4240\"'>Desempenho consistente em laborat\u00f3rio&lt;\/li&gt;\n</li><li data-section-id='\"1zeuer\"' data-start='\"4241\"' data-end='\"4298\"'>Utilidade comprovada como padr\u00e3o de refer\u00eancia anal\u00edtico&lt;\/li&gt;\n&lt;\/ul&gt;<h1 data-section-id='\"14cbx0i\"' data-start='\"4305\"' data-end='\"4333\"'>A Investiga\u00e7\u00e3o Relacionada Com Compostos&lt;\/h1&gt;</h1><p data-start='\"4335\"' data-end='\"4413\"'>Os investigadores comparam frequentemente a etonitazepina com compostos relacionados, incluindo:&lt;\/p&gt;</p><ul data-start='\"4415\"' data-end='\"4573\"'>\n<li data-section-id='\"1i4ihbk\"' data-start='\"4415\"' data-end='\"4428\"'>Etonitazeno&lt;\/li&gt;\n</li><li data-section-id='\"xhnmdc\"' data-start='\"4429\"' data-end='\"4444\"'>Isotonitazeno&lt;\/li&gt;\n</li><li data-section-id='\"106tb25\"' data-start='\"4445\"' data-end='\"4459\"'>Metonitazeno&lt;\/li&gt;\n</li><li data-section-id='\"1r550qg\"' data-start='\"4460\"' data-end='\"4475\"'>Protonitazeno&lt;\/li&gt;\n</li><li data-section-id='\"q2v402\"' data-start='\"4476\"' data-end='\"4490\"'>Butonitazeno&lt;\/li&gt;\n</li><li data-section-id='\"1frm12a\"' data-start='\"4491\"' data-end='\"4507\"'>Etodesnitazena&lt;\/li&gt;\n</li><li data-section-id='\"1cwnrel\"' data-start='\"4508\"' data-end='\"4534\"'>N-Desetil Isotonitazeno&lt;\/li&gt;\n</li><li data-section-id='\"1ejj20m\"' data-start='\"4535\"' data-end='\"4573\"'>Outros an\u00e1logos opi\u00f3ides benzimidaz\u00f3licos&lt;\/li&gt;\n&lt;\/ul&gt;<p data-start='\"4575\"' data-end='\"4677\"'>Estudos comparativos apoiam a identifica\u00e7\u00e3o anal\u00edtica, a pesquisa do metabolismo e a farmacologia dos recetores.&lt;\/p&gt;</p><h1 data-section-id='\"1qeuwpn\"' data-start='\"4684\"' data-end='\"4706\"'>Armazenamento e Manipula\u00e7\u00e3o&lt;\/h1&gt;</h1><p data-start='\"4708\"' data-end='\"4741\"'>Para um \u00f3ptimo laborat\u00f3rio de estabilidade:&lt;\/p&gt;</p><ul data-start='\"4743\"' data-end='\"4987\"'>\n<li data-section-id='\"16yoxud\"' data-start='\"4743\"' data-end='\"4785\"'>Loja em herm\u00e9tico recipientes de laborat\u00f3rio.&lt;\/li&gt;\n</li><li data-section-id='\"zlbbqz\"' data-start='\"4786\"' data-end='\"4832\"'>Manter longe da humidade e da luz solar direta.&lt;\/li&gt;\n</li><li data-section-id='\"folo7t\"' data-start='\"4833\"' data-end='\"4879\"'>Conservar em local fresco e seco.&lt;\/li&gt;\n</li><li data-section-id='\"18543zj\"' data-start='\"4880\"' data-end='\"4932\"'>Siga institucionais laborat\u00f3rio de procedimentos de seguran\u00e7a.&lt;\/li&gt;\n</li><li data-section-id='\"15u8p6t\"' data-start='\"4933\"' data-end='\"4987\"'>Utilize equipamento de prote\u00e7\u00e3o individual (EPI) adequado.&lt;\/li&gt;\n&lt;\/ul&gt;<h1 data-section-id='\"hkd5a4\"' data-start='\"4994\"' data-end='\"5022\"'>Perguntas Frequentes&lt;\/h1&gt;<h3 data-section-id='\"1gtcqe0\"' data-start='\"5024\"' data-end='\"5050\"'>O que \u00e9 a etonitazepina?&lt;\/h3&gt;</h3></h1><p data-start='\"5052\"' data-end='\"5245\"'>A etonitazepina \u00e9 um composto nitaz\u00e9nico derivado do benzimidazol, utilizado como padr\u00e3o de refer\u00eancia anal\u00edtica em qu\u00edmica medicinal, farmacologia, toxicologia forense e investiga\u00e7\u00e3o em qu\u00edmica anal\u00edtica.&lt;\/p&gt;</p><h3 data-section-id='\"1arsur7\"' data-start='\"5247\"' data-end='\"5288\"'>Quais os laborat\u00f3rios que utilizam etonitazepina?&lt;\/h3&gt;</h3><p data-start='\"5290\"' data-end='\"5426\"'>\u00c9 comummente utilizado por laborat\u00f3rios forenses, qu\u00edmicos anal\u00edticos, investigadores farmac\u00eauticos, toxicologistas e institui\u00e7\u00f5es acad\u00e9micas.&lt;\/p&gt;</p><h3 data-section-id='\"1pbkqbu\"' data-start='\"5428\"' data-end='\"5478\"'>Que t\u00e9cnicas anal\u00edticas s\u00e3o comummente utilizadas?&lt;\/h3&gt;</h3><p data-start='\"5480\"' data-end='\"5603\"'>Os investigadores analisam normalmente a etonitazepina utilizando LC-MS\/MS, GC-MS, LC-HRMS, HPLC e outras t\u00e9cnicas anal\u00edticas avan\u00e7adas.&lt;\/p&gt;</p><h3 data-section-id='\"1x3ska6\"' data-start='\"5605\"' data-end='\"5651\"'>Por que raz\u00e3o a etonitazepina \u00e9 valiosa na investiga\u00e7\u00e3o?&lt;\/h3&gt;</h3><p data-start='\"5653\"' data-end='\"5852\"'>A sua estrutura qu\u00edmica bem caracterizada, perfil anal\u00edtico reproduz\u00edvel e relev\u00e2ncia para a investiga\u00e7\u00e3o de opi\u00f3ides sint\u00e9ticos tornam-no valioso para investiga\u00e7\u00f5es laboratoriais e valida\u00e7\u00e3o de m\u00e9todos anal\u00edticos.&lt;\/p&gt;</p><h3 data-section-id='\"tn6p09\"' data-start='\"5854\"' data-end='\"5902\"'>A etonitazepina destina-se apenas \u00e0 investiga\u00e7\u00e3o?&lt;\/h3&gt;</h3><p data-start='\"5904\"' data-end='\"6020\"'>Sim. Este produto \u00e9 fornecido exclusivamente para a \u00e1rea laboratorial, anal\u00edtico, cient\u00edfico e educacional fins de pesquisa.&lt;\/p&gt;</p><h1 data-section-id='\"nfolid\"' data-start='\"6027\"' data-end='\"6039\"'>Isen\u00e7\u00e3o de responsabilidade&lt;\/h1&gt;</h1><p data-start='\"6041\"' data-end='\"6415\"'><strong data-start='\"6041\"' data-end='\"6058\"'>Etonitazepina&lt;\/strong&gt; \u00e9 fornecido <strong data-start='\"6071\"' data-end='\"6163\"'>Exclusivamente para fins de investiga\u00e7\u00e3o laboratorial, anal\u00edtica, cient\u00edfica e educacional.&lt;\/strong&gt; \u00c9 <strong data-start='\"6170\"' data-end='\"6294\"'>N\u00e3o se destina a consumo humano, tratamento m\u00e9dico, uso veterin\u00e1rio, aplica\u00e7\u00f5es terap\u00eauticas ou fins de diagn\u00f3stico.&lt;\/strong&gt; Os utilizadores s\u00e3o respons\u00e1veis \u200b\u200bpelo cumprimento de todas as leis aplic\u00e1veis, pol\u00edticas institucionais e normas de seguran\u00e7a laboratorial.&lt;\/p&gt;","protected":false},"excerpt":{"rendered":"<ul>\n<li data-start='\"729\"' data-end='\"760\"'><strong data-start='\"729\"' data-end='\"746\"'>Product Name: &lt;\/strong&gt;Etonitazepyne&lt;\/li&gt;\n<li data-start='\"762\"' data-end='\"859\"'><strong data-start='\"762\"' data-end='\"780\"'>Chemical Name: &lt;\/strong&gt;2-[(4-Ethoxyphenyl)methyl]-5-nitro-1-(2-pyrrolidin-1-ylethyl)-1H-benzimidazole&lt;\/li&gt;\n<li data-start='\"861\"' data-end='\"883\"'><strong data-start='\"861\"' data-end='\"883\"'>Alternative Names: &lt;\/strong&gt;Etonitazepyne, N-Pyrrolidino Etonitazene&lt;\/li&gt;\n<li data-start='\"930\"' data-end='\"949\"'><strong data-start='\"930\"' data-end='\"949\"'>Chemical Class: &lt;\/strong&gt;Benzimidazole Opioid (Nitazene Derivative)&lt;\/li&gt;\n<li data-start='\"995\"' data-end='\"1017\"'><strong data-start='\"995\"' data-end='\"1017\"'>Research Category: &lt;\/strong&gt;Analytical Reference Standard&lt;\/li&gt;\n&lt;\/ul&gt;\n","protected":false},"featured_media":34571,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center 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