Fraxetin;Fraxetol;7,8-Dihydroxy-6-methoxycoumarin CAS Lamba: 574-84-5
Takaitawa
Laƙabi:Qinpi Pavilion;Fraxinus lactone
Sunan Ingilishi:fraxetin; fraxetol
Yana cikin mahadi na coumarin.Yana da flake crystal (ethanol), wurin narkewa 228 ℃, ya juya rawaya a 150 ℃, kuma ya juya launin ruwan kasa a wurin narkewa.Yana da hydrolyzate na aesculin, mai narkewa a cikin ethanol da hydrochloric acid aqueous bayani, dan kadan mai narkewa a cikin ruwan zãfi da kuma insoluble a cikin ether.
Ya fito daga Fraxinus brngeana DC Bark, ganyen bangon F. floribunda, da sauransu.
Yana da tasirin antidysentery bacilli kuma ana amfani da shi a asibiti don kula da ciwon daji na bacillary a cikin yara.
Samfuran suna ba da fraxetin: Qinpi Pavilion
Siffofin samfur:Lambar CAS: 574-84-5
Ingantattun abun ciki (%):98.5%
Aikace-aikace:Ƙaddamar da abun ciki, reagent pharmacological, da dai sauransu
Bayanin samfur:10mg, 20mg, 1g
Abubuwan da ake amfani da su na fraxetin:Qinpiting, wanda kuma aka sani da Fraxinus lactone
Sunan Ingilishi:fraxetin;Fraxetol; Fraxexin; Coumarin, 7.8-dihydroxy-6-methoxy-
CAS No:574-84-5
Tsabtataccen hakar halitta, bayan tabbatar da tsarin NMR da gano tsabtar HPLC, abun ciki ya fi 98.5%.
Lakabin Sinawa:7,8-dihydroxy-6-methoxycoumarin Turanci Sunan: 7,8-dihydroxy-6-methoxycoumarin Turanci alias: EINECS No.: 209-376-2 kwayoyin dabara: c10h8o5 kwayoyin nauyi: 208.1675inchi: Inchi = 1 / 5 / c10h18 -14-6-4-5-2-3-7 (11) 15-10 (5) 9 (13) 8 (6) 12 / h2-4,12-13h, 1h3 yawa: 1.508g/cm tafasar batu : 472 ° C a 760 mmHg filashi: 196 ° C
Abubuwan Halitta na Physicochemical na Fraxetin
Girma: 1.5 ± 0.1 g / cm3
Tushen tafasa: 472.0 ± 45.0 ° C a 760 mmHg
Wurin narkewa: 230-232 ° C
Tsarin kwayoyin halitta: c10h8o5
Nauyin Kwayoyin: 208.167
Wutar Wuta: 196.0 ± 22.2 ° C
Daidaitaccen Mass: 208.037170
Saukewa: 79.90000
Shafin: 0.59
Bayyanar: haske rawaya crystal kwamfutar hannu
Ƙarfafawa: kristal mai kodadde rawaya, launi ya zama duhu lokacin da zafi, kuma ya zama Brown kusa da wurin narkewa.K'aramin mai narkewa a cikin ether da ruwan tafasasshen ruwan rawaya mai haske yana juya duhu lokacin da aka yi zafi, kuma ya zama launin ruwan kasa kusa da wurin narkewa.Dan kadan mai narkewa a cikin ether da ruwan zãfi, Ya bayyana blue-kore a gaban ferric chloride.Barga a ƙarƙashin yanayin zafi na al'ada da matsa lamba.
Kimiyyar Lissafi
1. Ƙimar magana don lissafin ma'auni na hydrophobic (xlopp): 1.2
2. Yawan masu ba da gudummawar haɗin gwiwar hydrogen: 2
3. Adadin masu karɓar iskar hydrogen: 5
4. Adadin abubuwan da za'a iya jujjuyawan sinadarai: 1
5. Adadin masu tauta: 16
6. Topological molecular polarity surface area 76
7. Yawan atom masu nauyi: 15
8. Cajin saman: 0
9. Ciki: 288
10. Yawan atom na isotopic: 0
11. Ƙayyade adadin abubuwan sitiriyo atom: 0
12. Adadin abubuwan da ba su da tabbas na atomic stereocenters: 0
13. Ƙayyade adadin haɗin gwiwar sitiriyon sinadarai: 0
14. Adadin indeterminate chemical bond stereocenters: 0
15. Yawan raka'o'in haɗin gwiwa: 1
