CAS 128446-34-4 (2-Hydroxypropyl)- -Cyclodextrin
Cov ntsiab lus ceev
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Lub npe: |
CAS 128446-34-4 (2-Hydroxypropyl)- -Cyclodextrin |
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CAS Nr .: |
128446-34-4 |
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Cov ntawv luv: |
HPGCD |
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Cyclodextrin hom: |
Randomly hloov cyclodextrins, nruab nrab |
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Zoo: |
Qib Kev Tshawb Fawb, Qib Kawm Txuj Ci |
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Muaj |
Hauv Tshuag |
Khoom Taw Qhia
CAS 128446-34-4 (2-Hydroxypropyl)- -Cyclodextrin belongs rau cov chav kawm ntawm cyclodextrin derivatives, uas pom muaj ntau dua ntawm solubility hauv dej piv rau lawv cov niam txiv cov ntsiab lus. Nws yog dav siv nyob rau hauv parenteral formulations thiab cov ntaub ntawv ntau npaum li cas los pab nyob rau hauv kev txhim kho ntawm lawv stability, dissolution, bioavailability, thiab lwm yam.
Chemical and Physical descripton
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Qhov nruab nrab Molecular Formula |
C48H80-nO40 · (C3H7O)n |
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Qhov nruab nrab Formula hnyav |
1297.2 + n·(58.1) |
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Qhov tsos (xim) |
Dawb mus rau dawb |
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Melting Point |
>240 degree (lub kaum hli ntuj) |
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Solubility |
Dej:> 50g; |
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Daim ntawv thov |
2-HYDROXYPROPYL .GAMMA.-CYCLODEXTRIN yog siv nyob rau hauv solubilization ntawm macromolecules thiab nyob rau hauv daim ntawv thov kab lis kev cai ntawm tes. Zoo ib yam li beta Cyclodextrin, tab sis nws tuaj yeem ua haujlwm nrog cov molecules loj dua. |
Specification
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Yam khoom |
CRITERIA |
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Qhov tshwm sim |
Dawb los yog yuav luag dawb hmoov; Tsis muaj ntxhiab, me ntsis qab zib; Dawb soluble hauv dej, soluble hauv ethanol, yuav luag insoluble hauv acetone. |
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Kev daws dej pH |
pH5{1}}.5 |
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Lub teeb-absorbing impurities |
max. 0.5 (230 - 660 nm) |
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Dej |
Tsawg dua los yog sib npaug rau 10.0％ |
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Alpha Cyclodextrin |
Tsawg dua lossis sib npaug li 1.5% |
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Residue ntawm ignition |
Tsawg dua lossis sib npaug rau 0.2％ |
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Hnyav Hlau |
Tsawg dua lossis sib npaug li 10ppm |
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Propylene glycol |
Tsawg dua lossis sib npaug rau 0.5％ |
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Assay |
Ntau dua lossis sib npaug li 98% |
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Cov ntsiab lus ntawm Hydroxypropoxyl |
17.5%-29.1% |
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Qhov tua aerobicmicrobialsuav |
Tsawg dua los yog sib npaug li 103cfu/g |
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Qhov totalsib muas thiabpoov xabs count |
Tsawg dua los yog sib npaug li 102cfu/g |
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Escherichia coli |
Tsis muaj |
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Bacterial Endotoxins Test |
Raws li kev npaj xav tau<0.01EU/mg |
Daim ntawv thov
CAS 128446-34-4 (2-Hydroxypropyl)- -Cyclodextrin tsuas yog siv rau reagent thiab kuaj lub hom phiaj, tsis yog rau tib neeg siv;
Laboratory tshuaj, tsim khoom, solubilizer, chiral selector;
Solvent Enhancer, Embedding Agent, Analytical Reagent;
Ntim & Cia
On-demand pob loj yog muaj yam tsis muaj nqi ntxiv.
Cov khoom no muaj nyob rau hauv ntau-kilograms pob loj, xws li: 1kg, 5kg, 10kg
★Internal packing: PE hnab thiab txhuas ntawv ci hnab
★Cov khoom ntim sab nraud: thawv los yog nruas.
★Cia: Khaws cov thawv kaw kom zoo tiv thaiv los ntawm ya raws.
Cov ntaub ntawv shipping
★Tus Naj Npawb: 3505100000
Kev nyab xeeb nta
Nqe lus piav qhia txog kev pab thawj zaug rau (2-Hydroxypropyl)-g-cyclodextrin
Cov lus qhia dav dav
1
Yog nqus tau
Tshem tawm mus rau huab cua ntshiab thiab saib xyuas kev ua pa. Yog ua pa nyuaj, muab cov pa oxygen. Yog tias ua tsis taus pa, muab kev ua pa tawm dag zog. Tham nrog kws kho mob.
2
Nyob rau hauv rooj plaub ntawm daim tawv nqaij
Tam sim ntawd ntxuav cov tawv nqaij nrog ntau ntau ntawm xab npum thiab dej li 15 feeb. Tshem cov khaub ncaws thiab khau uas tsis huv thiab ntxuav ua ntej siv dua. Tham nrog kws kho mob.
3
Thaum qhov muag pom
Npog nrog dej ntau ntau yam tsawg kawg 15 feeb. Tham nrog kws kho mob.
4
Yog nqos
Yaug lub qhov ncauj nrog dej. Tsis txhob ntuav ntuav tshwj tsis yog tias cov kws kho mob tau hais kom ua. Tsis txhob muab ib yam dab tsi los ntawm qhov ncauj rau tus neeg tsis nco qab. Tham nrog kws kho mob.
Cim npe nrov: cas 128446-34-4 (2-hydroxypropyl)- -cyclodextrin, Tuam Tshoj cas 128446-34-4 (2-hydroxypropyl)- -cyclodextrin manufacturers, lwm tus neeg
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