1,8-diazafluoren-9-one Cas: 54078-29-4 99% Txiv kab ntxwv crystalline hmoov
| Catalog Number | xwm 90216 |
| Khoom npe | 1,8-diazafluoren-9-ib |
| CAS | 54078-29-4 |
| Molecular Formula | C11H6N2O |
| Molecular Luj | 182.18 Nws |
| Cov ntaub ntawv khaws cia | 2 txog 8 ° C |
| Harmonized tariff Code | 2933980 :ib |
Khoom Specification
| Cov hlau hnyav | <0.01% |
| Kev txheeb xyuas | HPLC, raws li tus qauv |
| Poob rau ziab | <0.1% |
| Assay | > 99% |
| Qhov tshwm sim | Txiv kab ntxwv crystalline hmoov |
1.Ib txoj kev tshiab rau kev txhim kho ninhydrin lossis 1,8-diazafluoren-9-one (DFO)-kho latent ntiv tes rau ntawm daim ntawv thermal yuav raug piav qhia.Feem ntau cov thermosensitive nto ntawm cov ntawv thermal ua tsaus thaum kho nrog DFO lossis ninhydrin roj av ether (NPB) tov.Cov nyhuv no txo qis qhov sib txawv ntawm cov ntiv tes tsim thiab keeb kwm yav dhau.Txoj kev tshiab tau piav qhia yuav txo qis qhov tsaus nti no yam tsis tau tshem tawm cov txheej txheem thermosensitive thiab qhov chaw ntawm cov ntiv tes tsim, zoo li tshwm sim nrog acetone ntxuav.Los ntawm txoj kev tshiab, cov ntiv tes tsim tau tshwm sim hauv cov kab ntse thiab qhov sib txawv siab.Cov kev sim dav dav tau ua tiav, ua rau muaj kev ua haujlwm zoo tshaj plaws, uas them cov ntawv nrog tsawg kawg ntawm cov tshuaj, yog pheej yig, thiab ua kom muaj ntau cov ntaub ntawv kho mob hauv lub sijhawm luv luv.Cov kev daws teeb meem ua haujlwm muaj cov khoom lag luam, tsis muaj hluav taws xob, nitrogenous organic tebchaw thiab tuaj yeem siv tau zoo li daim ntawv thov NPB tov los ntawm dipping.
2.Cov ntawv no piav qhia txog kev kawm txog cov tshuaj tiv thaiv ntawm 1, 8-diazafluoren-9-one (DFO) nrog cov amino acid L-alanine hauv methyl cawv.Cov paj laum tshwj xeeb tau them rau lub luag haujlwm ua tau ntawm cov kuab tshuaj uas zoo li cuam tshuam nrog DFO los tsim cov hemiketal uas yog hom reactive.Ib txoj hauv kev muaj peev xwm tshwm sim tau raug npaj raws li cov ntaub ntawv tam sim no tau sau tseg.Cov tshuaj tiv thaiv intermediates thiab cov khoom raug txheeb xyuas los ntawm ntau txoj hauv kev spectroscopic xws li huab hwm coj spectrometry (MS), nuclear magnetic resonance (NMR) spectroscopy, thiab X-ray crystallography.
