Cov khoom lag luam
4- methylcategil, tseem hu ua {1}}}}}}}}}}}}}}}}
4- Methylcategil feem ntau yog dawb rau lub ntsiab lus dawb ntawm 251 Nws yog me ntsis soluble hauv dej, yooj yim soluble hauv cov kuab tshuaj polar thiab ethanol, thiab yuav luag tsis muaj insoluble hauv chloroform. Nws cov qauv molecular muaj ob ortho hydroxyl pawg thiab ib pawg methroxyl thiab cov pab pawg methyl, thiab ua pov thawj cov khoom ntiag tug ntawm cov phenolic tebchaw.
Cov ntaub ntawv yooj yim
| Khoom npe | 4- methylcatecatiCal | Cas Tsis tau. | 452-86-8 |
| Molecular Cov Qauv | C7H8O2 | Molecular hnyav | 124.14 |
| Einecs No. | 207-214-5 | Melting taw tes | {{0 {}} degree (lit.) |
| Kub taw tes | 251 Qib (Lit.) | Ceev | 1.129 g / ml ntawm 25 degree (lit.) |
| Kev tshwm sim | Cov hmoov dawb | Kev coj dawb huv | 98% |
Siv / Npaj
Tshuaj thiab Biochemistry:
4- Metylcatecaticals yog siv los ua ke cov neeg sawv cev thiab cov antioxidants. Nws ua raws li lub hlwb-derived Neurotrophic factor (BDNF) Inducer, txhawb nqa BDNF qhia nyob rau hauv lub hlwb thiab qhia lub peev xwm rau kev neuroprotection. Cov kev tshawb fawb qhia pom tias nws muaj kev cuam tshuam ntawm kab mob opoptosis yog sib txuas nrog cov pawg hydroxyl thiab methyl hauv nws cov qauv molecular.
Txoj kev npaj:
- 4- Metylcategil tuaj yeem npaj tau los ntawm categol thiab methyl iodide.
- Qhov kev npaj tshwj xeeb tuaj yeem siv los kho categhol nrog cov methyl iodine hauv alkaline tej yam kev mob los tsim nws.
Tuam txhab tau
Xws li cov kev ntsuas, ntsuas tshuaj chemistry, kev ua neej nyob, thiab cov khoom siv science. Gnee tshuaj ib txwm ua raws li lub hauv paus ntsiab lus uas qhov zoo ntawm peb cov khoom yog lub neej ntawm lub tuam txhab. Peb txoj kev tswj hwm zoo yog tsim nyob rau hauv kev ua raws li tus qauv thoob ntiaj teb ntawm ISO9000.
Cov FAQ
Dab tsi yog qhov ua tau zoo?
Peb tuaj yeem muab 1 gram, 10 grams thiab 100 grams raws li koj cov kev xav tau.
Puas muaj cov qauv?
Yog lawm, kev kuaj tsis tau them yog tias lawv yog peb cov khoom lag luam hauv Tshuag, koj tsuas yog yuav tsum tau them tus nqi thauj khoom xwb.
Lub sij hawm xa khoom tom qab them nyiaj li cas?
Nws nyob ntawm qhov chaw xa khoom, feem ntau yog lub sijhawm khoom xa tuaj xws li FedEx, TNT yog kwv yees li 10 hnub, thov qhia rau kuv paub tias peb tuaj yeem muab koj lub sijhawm khoom xa tuaj.
Cim npe nrov: 98% 4- Metylcategatecil hmoov cas {}}}}}} Cov khoom lag luam, cov chaw tsim khoom, Hoobkas
