{"id":10515,"date":"2022-10-21T07:00:22","date_gmt":"2022-10-20T23:00:22","guid":{"rendered":"https:\/\/www.pyrazoles-derivatives.com\/?p=10515"},"modified":"2022-10-21T07:00:22","modified_gmt":"2022-10-20T23:00:22","slug":"popov-mark-s-s-team-published-research-in-molecules-in-2021-cas-930-36-9","status":"publish","type":"post","link":"https:\/\/www.pyrazoles-derivatives.com\/?p=10515","title":{"rendered":"Popov, Mark S.&#8217;s team published research in Molecules in 2021 | CAS: 930-36-9"},"content":{"rendered":"<p>\u300aGas Chromatography-Mass Spectrometry Quantification of 1,1-Dimethylhydrazine Transformation Products in Aqueous Solutions: Accelerated Water Sample Preparation\u300b was published in Molecules in 2021. These research results belong to Popov, Mark S.; Ul&#8217;yanovskii, Nikolay V.; Kosyakov, Dmitry S.. <a href=\"https:\/\/www.ambeed.com\/products\/930-36-9.html\">Safety of 1-Methylpyrazole<\/a> The article mentions the following:<\/p>\n<p>The use of highly toxic rocket fuel based on 1,1-dimethylhydrazine (UDMH) in many types of carrier rockets poses a threat to environment and human health associated with an ingress of UDMH into wastewater and natural reservoirs and its transformation with the formation of numerous toxic nitrogen-containing products. Their GC-MS quantification in aqueous samples requires matrix change and is challenging due to high polarity of analytes. To overcome this problem, accelerated water sample preparation (AWASP) based on the complete removal of water with anhydrous sodium sulfate and transferring analytes into dichloromethane was used. Twenty-nine UDMH transformation products including both the acyclic and heterocyclic compounds of various classes were chosen as target analytes. AWASP ensured attaining near quant. extraction of 23 compounds with sample preparation procedure duration of no more than 5 min. Combination of AWASP with gas chromatog.-mass spectrometry and using pyridine-d5 as an internal standard allowed for developing the rapid, simple, and low-cost method for simultaneous quantification of UDMH transformation products with detection limits of 1-5 \u03bcg L-1 and linear concentration range covering 4 orders of magnitude. The method has been validated and successfully tested in the anal. of aqueous solutions of rocket fuel subjected to oxidation with atm. oxygen, as well as pyrolytic gasification in supercritical water modeling wastewater from carrier rockets launch sites. The experimental part of the paper was very detailed, including the reaction process of 1-Methylpyrazole(cas: 930-36-9<a href=\"https:\/\/www.ambeed.com\/products\/930-36-9.html\">Safety of 1-Methylpyrazole<\/a>)<\/p>\n<p>1-Methylpyrazole(cas: 930-36-9) belongs to pyrazoles. Pyrazole derivatives have been reported to exhibit a wide range of applications in medicinal chemistry and pharmacology. A large number of drugs incorporating pyrazole structure have been utilized as partial agonists for nicotinic acid receptors, antidepressants, antimicrobial agents, antiviral agents, and antifungal agents solely or along with the combination of other structural motifs.<a href=\"https:\/\/www.ambeed.com\/products\/930-36-9.html\">Safety of 1-Methylpyrazole<\/a><\/p>\n<p>Referemce:<br \/><a href=\"https:\/\/en.wikipedia.org\/wiki\/Pyrazole\">Pyrazole &#8211; Wikipedia<\/a>,<br \/><a href=\"https:\/\/www.sciencedirect.com\/topics\/chemistry\/pyrazoles\">Pyrazoles &#8211; an overview | ScienceDirect Topics<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>1-Methylpyrazole(cas: 930-36-9) belongs to pyrazoles. Pyrazole derivatives have been reported to exhibit a wide range of applications in medicinal chemistry and pharmacology. A large number of drugs incorporating pyrazole structure have been utilized as partial agonists for nicotinic acid receptors, antidepressants, antimicrobial agents, antiviral agents, and antifungal agents solely or along with the combination of other structural motifs.<a href=\"https:\/\/www.ambeed.com\/products\/930-36-9.html\">Safety of 1-Methylpyrazole<\/a><\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[245,131],"tags":[743],"class_list":["post-10515","post","type-post","status-publish","format-standard","hentry","category-930-36-9","category-pyrazoles-derivatives","tag-0-100"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Popov, Mark S.&#039;s team published research in Molecules in 2021 | CAS: 930-36-9 | pyrazoles-derivatives<\/title>\n<meta name=\"description\" content=\"\u300aGas Chromatography-Mass Spectrometry Quantification of 1,1-Dimethylhydrazine Transformation Products in Aqueous Solutions: Accelerated Water Sample Preparation\u300b was published in Molecules in 2021. These research results belong to Popov, Mark S.; Ul&#039;yanovskii, Nikolay V.; Kosyakov, Dmitry S.. Safety of 1-Methylpyrazole The article mentions the following:\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.pyrazoles-derivatives.com\/?p=10515\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Popov, Mark S.&#039;s team published research in Molecules in 2021 | CAS: 930-36-9 | pyrazoles-derivatives\" \/>\n<meta property=\"og:description\" content=\"\u300aGas Chromatography-Mass Spectrometry Quantification of 1,1-Dimethylhydrazine Transformation Products in Aqueous Solutions: Accelerated Water Sample Preparation\u300b was published in Molecules in 2021. These research results belong to Popov, Mark S.; Ul&#039;yanovskii, Nikolay V.; Kosyakov, Dmitry S.. 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These research results belong to Popov, Mark S.; Ul'yanovskii, Nikolay V.; Kosyakov, Dmitry S.. 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