Ethyl (S) -4-Chloro-3-hydroxybutyrate CAS 86728-85-0 Atorvastatin Calcium Intermediate

Ethyl (S)-4-Chloro-3-hydroxybutyrate (CAS: 86728-85-0)
Hanyar bincike
Bayani
Ɗauki kimanin 10ml samfurin a cikin farantin gilashi mai tsabta da bushe kuma a duba.
Takamaiman juyawa
Canja wurin daidai game da 1.0g na samfur zuwa 100ml volumetric flask kuma narkar da a ciki10 ml na chloroform, sannan a tsoma shi da chloroform zuwa 100ml a gauraya.
Auna jujjuyawar gani na samfurin gwajin a 25ºC da 589nm tsayin raƙuman ruwaƙididdige ƙayyadaddun juyawa kamar yadda aka ba da dabara.
[a]25D = (v×a)/[w×(1-b)]
[a]25D: takamaiman juyawa na gwajisamfurin;α: juyawar da aka lura a cikidigiri na kusurwa;w: nauyin samfurin (g);
v: girma (ml);
b: Abubuwan ruwa (%)
Tsarki (na GC)
Yanayi na chromatographic: Gas chromatography sanye take da harshen wutaionization detector
Shafin: SE-54, 30m×0.35×0.25µm
Zafin tanda: Zazzabi na farko 120 ℃, Riƙe lokaci na 2min
Ramp: 20 ℃/min
Zazzabi: 250 ℃, Riƙe lokaci na 2min
Injector zafin jiki: 250 ℃
Zazzabi mai ganowa: 250 ℃ (FID)
Girman allura: 0.2µl
Samfurin bayani: tsarma 1ml A4 tare da 1ml acetone.
Tsari: Allurar 0.2µl na acetone a matsayin fanko kuma yi rikodin chromatogram.A cikinchromatogram da aka samo daga diluent bai kamata ya zama wani tsangwama a cikinlokacin riƙe babban kololuwa da ƙazanta kololuwa.Fiye da allurar maganin samfurin a cikiKwafi a cikin chromatograph kuma yi rikodin chromatogram.Rahoton Tsarkakewasamfurin ta hanyar daidaita yanayin yanki.