Cov khoom lag luam
Cov tshuaj yeeb tshuaj rau cas? Nws cov mis molecular yog c₆h₆n₄o₂, hnyav hnyav yog 166.1374, Eineecs No. {{}}}}}} Yog mfcd00005561.
{{{{0}} Methylxanthine tshwm sim los ntawm ntau dua lossis sib npaug ntawm -1 ntawm 83.54000.
Cov ntaub ntawv yooj yim
| Cas | 6136-37-4 |
| Einecs | 228-108-5 |
| Tshuaj Cov Qauv | C6H6N4O2 |
| Molecular hnyav | 166.14 |
| Ceev | 1.539 {{0. 06 g / cm³ (kwv yees) |
| Melting taw tes | Ntau dua los yog sib npaug rau 300 degree |
| So | Dej-raws (me ntsis soluble), dmo (me ntsis soluble) |
| Refronction Index | 1.626 |
| Acidity Coefficient | PK1: 7.7 0; PK2: 12.0 (25 Qib) |
| Kev Cia | Kaw Hauv Qhuav, Chav Chav |
| Kev tshwm sim | Khov kho |
| Xim | Daj ntseg daj rau tsaus daj |
Siv thiab Kev Npaj
Kev Tshawb Fawb Kho Mob
Kev Tshawb Fawb Txog Tum: Raws li cov paffe derivative, {{{}} methylxanthine ntawm cov lus qhia cov qog ntawm cov qog hluav taws xob ntawm cov qog runiotherapy.
Kev tshawb fawb los ntawm kev siv yeeb tshuaj: Nws ua haujlwm ua tus kab mob impurity siv cov tshuaj xws li theopylline, txhawb kev tswj cov tshuaj zoo thiab kev tshuaj ntsuam xyuas kom muaj kev tshuaj nyab xeeb.
Mechanism ntawm kev nqis tes ua: Cov compound no tau siv los tshawb xyuas cov qauv metabolic, cov hom phiaj molecular, thiab lub cev siv hluav taws xob / chaw muag tshuaj ntawm methylxanthine hauv vivo.
Biochemical Kev Ntsuam Xyuas Teb
Daim Ntawv Thov Khoom Siv: Raws li cov khoom siv, {1- mellylxanthine yog cov tshuaj chromatography (GC-MS) rau cov tshuaj ntsuab (GC-MS) rau cov tshuaj ntsuab (GC-MS) rau cov tshuaj ntsuab (GC-MS) rau cov khoom siv methyluals (GC-MS)
Tuam txhab tau
Gnee Chem yog lub tuam txhab ua lag luam tawm txawv teb chaws, kev txhim kho cov kev pabcuam xws li ib lub tuam txhab uas tsis yog ib qho ntawm cov tuam txhab uas tsis yog ib qho kev sib raug zoo. Lub tuam txhab muaj cov kws tshaj lij cov kws tshaj lij uas tau koom nrog hauv kev txhim kho thiab ntau lawm cov tshuaj tau ntev, nrog rau cov khoom siv R & Dot.
Cov FAQ
Koj muab cov ntaub ntawv dab tsi?
Feem ntau, peb muab cov npe xa mus rau, cov npe thauj khoom, daim ntawv pov thawj, yog tias koj lub lag luam muaj txhua yam tshwj xeeb, thov qhia rau peb paub.
Cov ntsiab lus them nqi yog dab tsi?
L'C, T'T.
Yuav ua li cas thiaj li tau txais cov qauv?
Thov xa koj qhov chaw nyob rau peb, peb tau txais txiaj ntsig los muab cov qauv rau koj.
Thaum twg kuv tuaj yeem tau txais koj cov lus?
Yeej, cov ncauj lus kom ntxaws tuaj yeem muab rau hauv ob peb teev tom qab peb tau txais koj qhov kev nug.
Koj txoj cai piv txwv yog dab tsi?
Tus nqi coj mus kuaj. Peb yuav tau them tus nqi coj mus kuaj yog tias koj qhov kev yuav khoom kom muaj nuj nqis txog qib.
Cim npe nrov: CAS: {6136-37-4 {{{}}}} Cas: {{{}}} Cov kws tsim khoom, cov chaw tsim khoom, Hoobkas
