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一般描述
Deblock solution, containing dichloroacetic acid (DCA) in dichloromethane or Toluene, removes the dimethoxytrityl (DMT) protecting the group from the 5′ hydroxyl moiety of nucleotides already incorporated into the growing nucleic acid, prior to the addition of the next phosphoramidite. Removal of the DMT allows the unprotected 5′ hydroxyl moiety to react with a new phosphoramidite in a subsequent extension reaction.
应用
DCA Deblock (0.36M dichloroacetic acid in toluene) is suitable for the removal of 4,4Adimethoxytrityl (DMTr) protecting groups for the synthesis of antisense oligonucleotides in high yield and purity.
警示用语：
Danger
危险分类
Aquatic Chronic 3 - Asp. Tox. 1 - Carc. 2 - Eye Dam. 1 - Flam. Liq. 2 - Lact. - Repr. 1B - Skin Irrit. 2 - STOT RE 2 Inhalation - STOT SE 3
靶器官
Central nervous system
储存分类代码
3 - Flammable liquids
WGK
WGK 3
闪点(°F)
41.0 °F
闪点(°C)
5 °C
个人防护装备
Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter
法规信息
新产品
Synthesis of an antisense oligonucleotide targeted against C-raf kinase: efficient oligonucleotide synthesis without chlorinated solvents
A H Krotz and D L Cole V T Ravikumar
Bioorganic & Medicinal Chemistry, 7(3), 435-439 (1999)
A H Krotz et al.
Bioorganic & medicinal chemistry, 7(3), 435-439 (1999-04-29)
It is demonstrated that a solution of dichloroacetic acid in toluene removes dimethoxytrityl groups from the 5'-terminus of an antisense phosphorothioate oligodeoxyribonucleotide (ISIS 5132/CGP69846A) during synthesis on solid support cleanly and efficiently. It is therefore suggested to replace health hazardous
Mehdi D Esrafili
Journal of molecular modeling, 18(12), 5005-5016 (2012-06-28)
A theoretical study was performed to examine hydrogen and halogen bonds properties in gas phase and crystalline dichloroacetic acid (DCAA). The specific pattern of O-H∙∙∙O, C-H∙∙∙O, HCl, Cl∙∙∙O and Cl∙∙∙Cl interactions in DCAA dimers is described within the quantum theory
Yi-Hsueh Chuang et al.
Water research, 47(3), 1308-1316 (2013-01-05)
The direct incorporation of chloramines and dissolved organic nitrogen (DON) may provide the nitrogen for nitrogenous disinfection byproducts (N-DBPs). This study explores the contributions of natural DON and chloramine incorporation to the formation of N-DBPs during chloramination. This study also
Alfredo Caro-Maldonado et al.
Journal of immunology (Baltimore, Md. : 1950), 192(8), 3626-3636 (2014-03-13)
B cell activation leads to proliferation and Ab production that can protect from pathogens or promote autoimmunity. Regulation of cell metabolism is essential to support the demands of lymphocyte growth and effector function and may regulate tolerance. In this study
商品
荧光寿命测量与基于强度的测量相比是有优势的。其应用包括荧光寿命分析，感测和FLI。
Fluorescence lifetime measurement is advantageous over intensity-based measurements. Applications include fluorescence lifetime assays, sensing and FLI.
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