Iṣuu soda bicarbonate, GR,≥99.8%;Sodium bicarbonate, AR,≥99.8% Awọn olupese

Diisopropyl azodicarboxylate CAS 2446-83-5 Aṣoju fifun omi fun awọn resini fainali. Le ṣee lo lati ṣe foomu fainali awọ-ina. O ni eto microcellular kan ti iṣọkan, ati pe o le gba sẹẹli pipade tabi foomu sẹẹli-ṣii pẹlu awọn agbekalẹ oriṣiriṣi ati awọn ipo sisẹ. Ni afikun, o tun lo bi awọn agbedemeji elegbogi, awọn reagents iṣelọpọ Organic, ati bẹbẹ lọ.

Gẹgẹbi iṣelọpọ ọjọgbọn, a yoo fẹ lati fun ọ ni didara giga (1R,3S) -5-[2-[(1R,3aR,7aS) -1-[(2R,5S)] -5-hydroxy-6-methyl- heptan-2-yl] -7a-methyl-2,3,3a,5,6,7-hexahydro-1H-inden-4-ylidene]ethylidene]-4-methylidene-cyclohexane-1,3-diol CAS 93129- 94-3. Ati pe a yoo fun ọ ni iṣẹ lẹhin-tita ti o dara julọ ati ifijiṣẹ akoko.

Kaabo lati ra 2,5-Dihydroxy-1,4-dithiane CAS 40018-26-6 lati ọdọ wa. Gbogbo ibeere lati ọdọ awọn alabara ni a dahun laarin awọn wakati 24.
2,5-Dihydroxy-1,4-dithiane CAS 40018-26-6 iṣẹ
Awọn turari fun ounjẹ.
Ti a lo bi lamivudine ati awọn agbedemeji elegbogi miiran

2-Hydroxy-4-methoxybenzophenone-5-sulfonic acid CAS 1897-52-5 jẹ kristali awọ ofeefee bia. Ti a lo ni lilo pupọ ni iboju-oorun, ipara, oyin, ipara, epo ati awọn ohun ikunra miiran

Gẹgẹbi iṣelọpọ ọjọgbọn, a yoo fẹ lati fun ọ ni didara 1 (ALPHA) 25-DIHYDROXYVITAMIN D2 * CAS 60133-18-8. Ati pe a yoo fun ọ ni iṣẹ lẹhin-tita ti o dara julọ ati ifijiṣẹ akoko.

Kaabọ lati ra N-(Hydroxymethyl) phthalimide CAS 118-29-6 lati ọdọ wa. O ti wa lati inu ifesi laarin phthalimide ati formaldehyde. Fi formaldehyde sinu ikoko ifaseyin, ṣafikun omi lati ṣe formaldehyde sinu ifọkansi ti o to 12%. Jabọ sinu phthalimide labẹ gbigbe, ati iwọn lilo jẹ phthalimide: formaldehyde = 1: 1.1 (ipin molar). Iwọn otutu ti gbe soke si 98-102°C, tun pada fun wakati 2.5, tutu si 35°C, ti a fi sẹntirifually, ati gbigbe lati gba ọja ti o pari.