Fraxetin;Fraxetol;7,8-Dihydroxy-6-methoxycoumarin CAS No: 574-84-5
Lakotan
Oruko:Qinpi Pafilionu;Fraxinus lactone
Orukọ Gẹẹsi:fraxetin; fraxetol
O jẹ ti awọn agbo ogun coumarin.O jẹ kristali flake (ethanol), aaye yo 228 ℃, yipada ofeefee ni 150 ℃, o si di brown ni aaye yo.O jẹ hydrolyzate ti aesculin, tiotuka ni ethanol ati hydrochloric acid aqueous ojutu, die-die tiotuka ninu omi farabale ati insoluble ni ether.
O wa lati Fraxinus brngeana DC jolo, awọn leaves ti F. floribunda odi, ati be be lo.
O ni ipa ti anti dysentery bacilli ati pe a lo ni ile-iwosan lati tọju ọgbẹ ọgbẹ bacillary nla ninu awọn ọmọde.
Awọn ọja ipese fraxetin: Qinpi Pafilionu
Awọn paramita ọja:CAS No: 574-84-5
Akoonu ti o munadoko (%):98.5%
Ohun elo:ipinnu akoonu, reagent elegbogi, ati bẹbẹ lọ
Sipesifikesonu ọja:10mg, 20mg, 1g
Ipese fraxetin:Qinpiting, tun mọ bi Fraxinus lactone
Orukọ Gẹẹsi:fraxetin;Fraxetol; Fraxexin; Coumarin, 7,8-dihydroxy-6-methoxy-
CAS Bẹẹkọ:574-84-5
Isediwon adayeba mimọ, lẹhin ijẹrisi eto NMR ati wiwa mimọ HPLC, akoonu jẹ diẹ sii ju 98.5%.
Inagijẹ Kannada:7,8-dihydroxy-6-methoxycoumarin English Name: 7,8-dihydroxy-6-methoxycoumarin English inagijẹ: EINECS No.: 209-376-2 molikula agbekalẹ: c10h8o5 molikula iwuwo: 208.1675inchi: Inchi = 1 / c10h18 -14-6-4-5-2-3-7 (11) 15-10 (5) 9 (13) 8 (6) 12 / h2-4,12-13h, 1h3 iwuwo: 1.508g/cm farabale ojuami. : 472 ° C ni aaye filasi 760 mmHg: 196 ° C
Awọn ohun-ini Kemikali ti Fraxetin
iwuwo: 1.5 ± 0.1 g / cm3
Ojuami Sise: 472.0 ± 45.0 ° C ni 760 mmHg
Oju Iyọ: 230-232 ° C
Ilana molikula: c10h8o5
Iwọn Molikula: 208.167
Ojuami Filasi: 196.0 ± 22.2 ° C
Iwọn deede: 208.037170
PSA: 79.90000
LogP: 0.59
Irisi: ina ofeefee gara tabulẹti
Iduroṣinṣin: kristali flake ofeefee pale, awọ naa di ṣokunkun nigbati o gbona, o si di Brown nitosi aaye yo.Tiotuka die-die ninu ether ati omi didanThe ina ofeefee flake gara di dudu nigbati o ba gbona, o si yipada si brown nitosi aaye yo.Tiotuka die-die ni ether ati omi farabale, O han bulu-alawọ ewe ni iwaju kiloraidi ferric.Idurosinsin labẹ iwọn otutu deede ati titẹ.
Kemistri Iṣiro
1. Iye itọkasi fun iṣiro paramita hydrophobic (xlopp): 1.2
2. Nọmba ti awọn oluranlọwọ iwe adehun hydrogen: 2
3. Nọmba awọn olugba hydrogen bond: 5
4. Nọmba awọn ifunmọ kemikali rotatable: 1
5. Nọmba ti tautomers: 16
6. Agbègbè ilẹ̀ polarity molecular topological 76
7. Nọmba awọn ọta eru: 15
8. Idiyele oju: 0
9. Idiju: 288
10. Nọmba awọn ọta isotopic: 0
11. Pinnu nọmba awọn stereocenters atomiki: 0
12. Nọmba awọn stereocenter atomiki ti ko ni idaniloju: 0
13. Ṣe ipinnu nọmba awọn stereocenters ti o ni asopọ kemikali: 0
14. Nọmba ti awọn stereocenters kemikali indeterminate: 0
15. Nọmba ti covalent mnu sipo: 1
