Pyridinium p-Toluenesulfonate PPTS CAS 24057-28-1 Purity ≥99.0% Hoobkas
Chaw tsim khoom, siab purity, coj mus muag ntau lawm
Lub npe tshuaj: Pyridinium p-Toluenesulfonate (PPTS)
CAS: 24057-28-1 Nr
Tshuaj npe | Pyridinium p-Toluenesulfonate |
Synonyms | PPTS;Pyridinium p-tosylate |
CAS Nr | 24057-28-1 |
CAT Number | Qauv TSIS MUAJ: RF-PI632 |
Tshuag xwm txheej | Nyob rau hauv Tshuag, ntau lawm Scale mus txog Tons |
Molecular Formula | C5H5N · C7H8O3S |
Molecular Luj | 251.30 Nws |
Hom | Ruifu Tshuaj |
Yam khoom | Specifications |
Qhov tshwm sim | Dawb hmoov |
Purity | ≥99.0% |
Melting Point | 116.0 ~ 120.0 ℃ |
Moisture (KF) | ≤0.50% |
Tag nrho cov impurities | ≤ 1.0% |
Test Standard | Enterprise Standard |
Kev siv | Pharmaceutical Intermediates;Catalyst |
Pob: Lub raj mis, Aluminium ntawv ci hnab, 25kg / Cardboard Nruas, los yog raws li tus neeg yuav tsum tau muaj.
Cia txias:Khaws rau hauv cov thawv ntim khoom ntawm qhov chaw txias thiab qhuav;Tiv thaiv los ntawm lub teeb thiab noo noo.
Pyridinium p-Toluenesulfonate (CAS: 24057-28-1) yog siv los ua ib qho nruab nrab hauv cov organic synthesis.Siv raws li kev lag luam dav dav chemical.Siv ua organic soluble qhov chaw ntawm Pyridium ion.Nws yog nruab nrab ntawm Tacrolimus thiab Orlistat Immunosuppressant, tiv thaiv kev rog / pancreatic lipase inhibitor.Nyob rau hauv cov organic synthesis, PPTS yog siv los ua ib qho tsis muaj zog acidic catalyst, muab cov organic soluble qhov chaw ntawm pyridinium (C5H5NH +) ions.Nws kuj yog ib qho kev siv feem ntau rau kev npaj ntawm acetals thiab ketals los ntawm aldehydes thiab ketones.Raws li kev sib koom ua ke nrog L-proline txhim kho ob qho tib si tawm los thiab enantioselectivity ntawm asymmetric aldol condensation ntawm dioxanones thiab aldehydes.