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Awọn ọja

Glucose-pentaacetate Cas: 604-68-2 Powder Funfun 99% Pentaacetate Pentaacetyl-alpha-D-glucose

Apejuwe kukuru:

Nọmba Katalogi: XD90033
Cas: 604-68-2
Fọọmu Molecular: C16H22O11
Ìwọ̀n Molikula: 390.34
Wiwa: O wa
Iye:
Iṣakojọpọ: 100g USD20
Apo Ọpọ: Beere Quote

Alaye ọja

ọja Tags

Nọmba Katalogi: XD90033
Orukọ ọja Glukosi-pentaacetate
CAS 604-68-2
Ilana molikula C16H22O11
Òṣuwọn Molikula 390.34
Awọn alaye ipamọ Ibaramu
Ti irẹpọ Owo idiyele koodu 29400000

Ọja Specification

Arsenic 0.5% ti o pọju
Isonu lori Gbigbe ≤ 0.5%
Ayẹwo 99% min
Yiyi opitika pato +100 to +103
MP 111 si 114°C
Ifarahan funfun lulú
Eru Irin 20ppm ti o pọju
Aloku ina 0.1% ti o pọju

Ni iwaju 2.8 mM D-glukosi, beta-D-glucose pentaacetate (1. 7 mM) itusilẹ hisulini ti o pọ si lati awọn erekuṣu pancreatic eku ti o ya sọtọ diẹ sii ju alpha-D-glucose pentaacetate.Bakanna, ilosoke siwaju ninu iṣelọpọ hisulini ti a fa nipasẹ nateglinide (0.01 mM) ga julọ ni awọn erekuṣu ti o farahan si beta- dipo alpha-D-glucose pentaacetate.Ni idakeji, ni iwaju 2.8 mM D-glucose ti ko ni ijẹri, alpha-L-glucose pentaacetate, ṣugbọn kii ṣe beta-L-glucose pentaacetate, ti mu iṣelọpọ hisulini pọ si ni pataki.Agbara insulinotropic ti o ga julọ ti beta-anomer ti D-glucose pentaacetate ni ibamu pẹlu otitọ pe o pọ si ni pataki ipin ti a so pọ laarin D-[U-14C] glucose oxidation ati D-[5-3H] iṣamulo glukosi, lakoko ti alpha-D -glucose pentaacetate kuna lati ṣe bẹ.Awọn awari wọnyi ni a tumọ lati ṣe atilẹyin imọran pe iwuri ti itusilẹ hisulini nipasẹ awọn esters wọnyi jẹ abuda pupọ si ibaraenisepo taara wọn pẹlu olugba stereospecific, pẹlu yiyan fun iṣeto ti C1 ti o wọpọ si beta-D-glucose pentaacetate ati alpha-L- glukosi pentaacetate.


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    Glucose-pentaacetate Cas: 604-68-2 Powder Funfun 99% Pentaacetate Pentaacetyl-alpha-D-glucose