4-CHLORO-1H-PYRAZOLE; CAS 15878-00-9 Baetsi

Joaloka moetsi oa litsebi, re ka thabela ho u fa boleng ba boleng ba boleng ba Doxercalciferol acid CAS 54573-75-0. 'Me re tla u fa litšebeletso tse ntle ka ho fetisisa tsa ka mor'a ho rekisa le ho fana ka thepa ka nako.

2-Amino-5-nitropyridine CAS 4214-76-0 e tsoa ho nitration ea 2-aminopyridine. Ka mocheso oa 50 ° C, 2-aminopyridine e ile ea eketsoa ho sulfuric acid, 'me ka mor'a moo, nitric acid e fuming e ile ea eketsoa ka ho theoha,' me mocheso ha oa ka oa feta 50 ° C. E futhumala ka 45°C bakeng sa 2h, 'me u tsose mocheso oa kamore bakeng sa 4h. Tharollo ea karabelo e ile ea tšeloa ka leqhoa le pshatlehileng, 'me pH e fetotsoe ho 6 ka ho eketsa metsi a ammonia ka tlase ho 5 ° C,' me likristale li ile tsa theoha. Sefa le ho omisa. Recrystallization ka metsi ho fumana liplatelete tse mosehla, li hlahisa 75%

2-Aminoisobutyric Acid CAS 62-57-7 setoko se emeng, phano e potlakileng, Lilemo tsa boiphihlelo ba tlhahiso le taolo e thata ea boleng. Rea u amohela ho reka 2-Aminoisobutyric Acid CAS 62-57-7 ho rona.
COA, MSDS, TDS, joalo-joalo ea 2-Aminoisobutyric Acid e ka fanoa.

Re moetsi ea ka sehloohong oa 2-Chloro-5-fluoropyrimidine CAS 62802-42-0 Chaena.2-Chloro-5-fluoropyrimidine CAS 62802-42-0 e na le thepa, thepa e potlakileng.COA, MSDS, TDS, joalo-joalo ea 2 -Chloro-5-fluoropyrimidine CAS 62802-42-0 e ka fanoa.

Re moetsi ea ka sehloohong oa 3-Bromo-4-methylpyridine CAS 3430-22-6 Chaena.3-Bromo-4-methylpyridine CAS 3430-22-6 e na le thepa, ho tsamaisoa ka potlako.COA, MSDS, TDS, joalo-joalo ea 3 -Bromo-4-methylpyridine CAS 3430-22-6 e ka fanoa.

U ka kholiseha ho reka 2-Pyridinecarboxaldehyde CAS 1121-60-4 fekthering ea rona. Pyridine-2-carbaldehyde e ne e sebelisetsoa ho ithuta motsoako oa indium chloride-catalyzed oa likarolo tse tharo tsa metsoako ea dicarbonyl, aldehydes le urea / thioureas ho fana ka pyrimidinones le pyrimidinethiones.