Fraxetin;Fraxetol;7,8-Dihydroxy-6-methoxycoumarin CAS Mba: 574-84-5
Nchịkọta
Aha aha:Ụlọ nke Qinpi;Fraxinus lactone
Aha Bekee:fraxetin; fraxetol
Ọ bụ nke ogige coumarin.Ọ bụ kristal flake (ethanol), ebe na-agbaze 228 ℃, na-atụgharị edo edo na 150 ℃, wee ghọọ aja aja na ebe agbaze.Ọ bụ hydrolyzate nke aesculin, soluble na ethanol na hydrochloric acid ngwọta aqueous, ubé soluble na mmiri esi na insoluble ke ether.
Ọ sitere na Fraxinus brngeana DC Bark, epupụta nke mgbidi F. floribunda, wdg.
Ọ nwere mmetụta nke anti dysentery bacilli ma na-eji ụlọ ọgwụ na-agwọ nnukwu ọnyụnyụ ọbara na ụmụaka.
Ngwaahịa na-enye fraxetin: Qinpi Pavilion
Ngwa ngwaahịa:Nọmba CAS: 574-84-5
Ọdịnaya dị irè (%):98.5%
Ngwa:Mkpebi ọdịnaya, reagent pharmacological, wdg
Nkọwapụta ngwaahịa:10mg, 20mg, 1g
Mkpokọta fraxetin:Qinpiting, nke a makwaara dị ka Fraxinus lactone
Aha Bekee:fraxetin;Fraxetol, Fraxexin, Coumarin, 7.8-dihydroxy-6-methoxy-
CAS Mba:574-84-5
Mwepụta eke dị ọcha, mgbe nkwenye usoro NMR na nchọpụta HPLC dị ọcha, ọdịnaya ahụ karịrị 98.5%.
Utu aha Chinese:7,8-dihydroxy-6-methoxycoumarin English aha: 7,8-dihydroxy-6-methoxycoumarin English utu aha: EINECS Mba -14-6-4-5-2-3-7 (11) 15-10 (5) 9 (13) 8 (6) 12 / h2-4,12-13h, 1h3 njupụta: 1.508g/cm esi esi. : 472 ° C na 760 mmHg ebe ọkụ ọkụ: 196 ° C
Njirimara physicochemical nke Fraxetin
Njupụta: 1.5 ± 0.1 g / cm3
Ebe esi esi: 472.0 ± 45.0 ° C na 760 mmHg
Ebe mgbaze: 230-232 Celsius
Ụdị ihe omimi: c10h8o5
Arọ Molecular: 208.167
Ebe Flash: 196.0 ± 22.2 Celsius C
Ọnụ ọgụgụ ziri ezi: 208.037170
PSA: 79.90000
Ihe ndekọ: 0.59
Ọdịdị: mbadamba nkume kristal edo edo
Nkwụsi ike: kristal na-acha odo odo na-acha odo odo, agba na-agba ọchịchịrị mgbe ọ dị ọkụ, wee ghọọ Brown n'akụkụ ebe mgbaze.Na-agbaze ntakịrị n'ime ether na mmiri esi mmiri kristal na-acha odo odo na-atụgharị ọchịchịrị mgbe ọ dị ọkụ, wee tụgharịa aja aja n'akụkụ ebe mgbaze.Na-agbaze ntakịrị na ether na mmiri esi, Ọ na-egosi na-acha anụnụ anụnụ-acha akwụkwọ ndụ na ọnụnọ nke ferric chloride.Kwụsie ike n'okpuru okpomọkụ nkịtị na nrụgide.
Chemistry Mgbakọ
1. Uru ntụaka maka ngụkọ paramita hydrophobic (xlopp): 1.2
2. Ọnụọgụ nke ndị na-enye njikọ njikọ hydrogen: 2
3. Ọnụọgụ nke ndị nnabata hydrogen: 5
4. Ọnụọgụ nke njikọ kemịkalụ rotatable: 1
5. Ọnụ ọgụgụ ndị na-akpụ akpụ: 16
6. Topological molecular polarity surface area 76
7. Ọnụọgụ atọm dị arọ: 15
8. Ụgwọ elu: 0
9. Mgbagwoju anya: 288
10. Ọnụọgụ nke atọm isotopic: 0
11. Kpebie ọnụ ọgụgụ nke atọm stereocenters: 0
12. Ọnụọgụ nke stereocenter atomic na-ejighị n'aka: 0
13. Kpebie ọnụọgụ kemịkalụ stereocenters: 0
14. Ọnụọgụ nke stereocenter kemịkalụ na-enweghị njedebe: 0
15. Ọnụọgụ nke covalent bond units: 1