Cov khoom lag luam
Ursodeoxychholic acid yog hmoov dawb; Odorless thiab iab. Nws yog yooj yim soluble hauv ethanol, insoluble hauv chloroform; Yooj yim soluble nyob rau hauv glacial acetic acid, thiab soluble hauv sodium hydrocide kev sim daws. Lub ntsiab lus melting yog 200-204 degree.
Ursodiol yog ib qho kev tiv thaiv tshwj xeeb hauv dais. Nws yog ib qho isomer ntawm chenodeoxychocic acid, tab sis nws yog tsawg toxic tshaj chenodeoxychocic acid thiab yuav tsum tau siv hauv cov nyiaj tsawg dua.
Cov ntaub ntawv yooj yim
| Yam | Kev qhia tshwj xeeb |
| Kev tshwm sim | Cov hmoov dawb |
| Assay% | 99% |
| Molecular Cov Qauv | C24H40O4 |
| molecular hnyav | 392.57 |
| melting taw tes | 203-204 degree |
| Kub taw tes | 437.26 degree |
| Ceev | 0.9985 |
Kev siv
Ursodeoxychholic acid feem ntau yog siv los kho cov kab mob ntawm daim siab cholesterolism, thiab lwm yam.
Kev kuaj xyuas cov txheej txheem
Cov tsos thiab cov khoom tshuaj xyuas
Cov qauv yuav tsum yog cov hmoov dawb lossis cov hmoov crystalline.
Melting Kev Txiav Txim Siab
Siv melting taw tes ntsuas kom txiav txim siab, lub melting taw tes ntau yam yog nruab nrab ntawm 203 degree {1}} degree.
Kev sib hloov kev sib hloov
Siv Polarimeter los kuaj, qhov sib hloov tshwj xeeb yog hais txog {{{}}}}}}}}}}}}}} degree (c, 2.0 hauv etoh).
Nrhiav Kom Tau
Siv cov kev ua kua chromatography kua chromoography lossis roj chromatography, tshem tawm cov kuab tshuaj uas tsis haum thiab txhaj nrog tus qauv, thiab laij cov kev coj dawb huv. Kuj tseem tuaj yeem ntsuas los ntawm kev ntsuas nws cov kev ua kom qhuav, qhov kev xav tau,}}}}} 0. 2%.
Kev Kuaj Solubility
Nqa cov qauv uas tsim nyog, ntxiv etchar acatas acid, dej thiab lwm yam kev sib cais, nws yuav tsum tau ua kom zoo ib yam, thiab yuav luag tsis muaj nyob hauv dej.
Acidity Coefficient xeem
Cov acidity coefficient tuaj yeem txiav txim siab los ntawm potentiometric lub neej, thiab lwm yam, thiab nws tus nqi PKA yog 5.} ± 0.04.
Kuaj xyuas kev ruaj khov
Tso cov qauv nyob rau hauv kev sib txawv ib puag ncig, xws li kub, lub teeb, thiab lwm yam, cov ntsiab lus los ntsuas nws ruaj khov.
Tuam txhab tau
Gnee Chem nrog ntau caum xyoo ntawm kev paub, kev tsim qauv thiab lag luam ntawm cov cai organic, yog ib qho ntawm cov cai organic thiab yog cov khoom lag luam xa tawm, thiab peb cov khoom muag tau muag thoob ntiaj teb.
Peb pab neeg muaj ntau tshaj 200 tus neeg, thiab ntau pab xyoo, tag nrho cov neeg siv tshuaj muaj txiaj ntsig, muab cov khoom siv organic, muab cov khoom siv orgechemicals thiab lwm yam khoom.
Nrog cov khoom lag luam zoo tshaj plaws, qhov kev pabcuam zoo tshaj plaws thiab lub koob npe zoo tshaj plaws, peb txaus siab ua koj tus khub txhim kho ntev tshaj plaws!
Cov FAQ
2. Kuv yuav tau txais tus nqi li cas?
-Peb feem ntau hais nyob rau hauv 24 teev ntawm tau txais koj qhov kev nug (tsis suav nrog hnub so thiab hnub so).
-Yog koj xav tau tus nqi hloov mus, thov hu rau peb txhais tau tias peb tuaj yeem hais lus rau koj.
3. Koj lub sijhawm khoom xa tuaj yog dab tsi?
-It nyob ntawm tus naj npawb ntawm kev txiav txim thiab lub caij uas koj tso koj daim ntawv xaj.
-Usually, kev txiav txim tuaj yeem xa tawm tsis pub dhau 7-15 hnub rau cov xaj me thiab 25 hnub rau xaj loj.
4. Dab tsi yog tus qauv thauj khoom?
-Yog tuaj yeem nkoj los ntawm hiav txwv, huab cua, lossis nthuav qhia (EMS, UPS, DHL, TNT, FedEx, thiab lwm yam).
Cim npe nrov: CAS: {{128-13-2 {ursodeoxychocic acid, Tuam Tshoj li cas: {{{1 ur ursodeoxychhoholic acid manufacturers, lwm tus neeg, Hoobkas
