CAS 2438-05-3 Baetsi

Re moetsi ea ka sehloohong oa 4'-Bromopropiophenone CAS 10342-83-3 Chaena.4'-Bromopropiophenone CAS 10342-83-3 e fumaneha ka thepa 'me e ka tsamaisoa kapele.COA, MSDS le TDS tsa 4'-Bromopropiophenone 2CAS 10 -83-3.

Joaloka moetsi oa litsebi, re ka thabela ho u fa PIPES ea boleng bo holimo ea letsoai la sesquisodium CAS 100037-69-2. 'Me re tla u fa litšebeletso tse ntle ka ho fetisisa tsa ka mor'a ho rekisa le ho fana ka thepa ka nako.

Re moetsi ea ka sehloohong oa 2,4-Dihydroxy-6-propylbenzoic acid CAS 4707-50-0 Chaena.2,4-Dihydroxy-6-propylbenzoic acid CAS 4707-50-0 e fumaneha ka thepa 'me e ka tsamaisoa ka potlako. .COA, MSDS le TDS ea 2,4-Dihydroxy-6-propylbenzoic acid CAS 4707-50-0.

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%

Joaloka setsebi sa boleng bo phahameng ba Diethyl methylmalonate CAS 609-08-5, u ka kholiseha ho reka Diethyl methylmalonate CAS 609-08-5 fekthering ea rona.
Mokelikeli o se nang mebala, ntlha e belang 198-199 ° C, 78-80 ° C (1.33kPa), boima bo lekanyelitsoeng (20/4 ° C) 1.020, index ea refractive 1.413. ha e qhibilihe ka metsing.

3,4,5-Trimethoxybenzaldehyde CAS 86-81-7 e na le thepa, thomello e potlakileng, Lilemo tsa boiphihlelo ba tlhahiso le taolo e thata ea boleng.COA, MSDS, TDS, joalo-joalo tsa 3,4,5-Trimethoxybenzaldehyde li ka fanoa.