跳转至内容
Merck

330183

Sigma-Aldrich

醋酸丙酸纤维素

average Mn ~75,000 by GPC, powder

登录查看公司和协议定价


About This Item

经验公式(希尔记法):
C76H114O49
CAS号:
分子量:
1811.69
MDL號碼:
分類程式碼代碼:
12162002
PubChem物質ID:
NACRES:
NA.23

形狀

powder

分子量

average Mn ~75,000 by GPC

標籤範圍

~2.5 wt. % Acetyl
~1.8 wt. % Hydroxyl
~46 wt. % Propionyl

mp

188-210 °C (lit.)

密度

1.23 g/mL at 25 °C (lit.)

SMILES 字串

OC[C@H]1O[C@@H](O[C@H]2[C@H](O)[C@@H](O)[C@H](O)O[C@@H]2CO)[C@H](O)[C@@H](O)[C@@H]1O.CC(=O)OC[C@H]3O[C@@H](OC(C)=O)[C@H](OC(C)=O)[C@@H](OC(C)=O)[C@@H]3O[C@@H]4O[C@H](COC(C)=O)[C@@H](OC(C)=O)[C@H](OC(C)=O)[C@H]4OC(C)=O.CCC(=O)OC[C@H]5O[C@@H](OC(=O)CC)[C@H](OC(=O)CC)[C@@H](OC(=O)CC)[C@@H]5O[C@@H]6O[C@H](COC(=O)CC)[C@@H](OC(=O)CC)[C@H](OC(=O)CC)[C@H]6OC(=O)CC

InChI

1S/C36H54O19.C28H38O19.C12H22O11/c1-9-21(37)45-17-19-29(49-23(39)11-3)31(50-24(40)12-4)34(53-27(43)15-7)36(48-19)55-30-20(18-46-22(38)10-2)47-35(54-28(44)16-8)33(52-26(42)14-6)32(30)51-25(41)13-5;1-11(29)37-9-19-21(39-13(3)31)23(40-14(4)32)26(43-17(7)35)28(46-19)47-22-20(10-38-12(2)30)45-27(44-18(8)36)25(42-16(6)34)24(22)41-15(5)33;13-1-3-5(15)6(16)9(19)12(22-3)23-10-4(2-14)21-11(20)8(18)7(10)17/h19-20,29-36H,9-18H2,1-8H3;19-28H,9-10H2,1-8H3;3-20H,1-2H2/t19-,20-,29-,30-,31+,32+,33-,34-,35+,36+;19-,20-,21-,22-,23+,24+,25-,26-,27-,28+;3-,4-,5-,6+,7-,8-,9-,10-,11-,12+/m111/s1

InChI 密鑰

HKQOBOMRSSHSTC-DIBAFDJWSA-N

正在寻找类似产品? 访问 产品对比指南

儲存類別代碼

11 - Combustible Solids

水污染物質分類(WGK)

nwg

閃點(°F)

Not applicable

閃點(°C)

Not applicable

個人防護裝備

Eyeshields, Gloves, type N95 (US)


分析证书(COA)

输入产品批号来搜索 分析证书(COA) 。批号可以在产品标签上"批“ (Lot或Batch)字后找到。

已有该产品?

在文件库中查找您最近购买产品的文档。

访问文档库

M Efentakis et al.
International journal of pharmaceutics, 311(1-2), 147-156 (2006-01-27)
In this investigation a novel oral pulsatile drug delivery system based on a core-in-cup dry coated tablet, where the core tablet surrounded on the bottom and circumference wall with inactive material, is proposed. The system consists of three different parts
A J Shukla et al.
Pharmaceutical research, 8(11), 1396-1400 (1991-11-01)
Microspheres with 40, 50, and 60% drug loading of anhydrous theophylline core material were prepared by the emulsion-solvent evaporation method. Three different molecular weights of cellulose acetate propionate were used as encapsulating polymers. The geometric mean diameter of the microspheres
S B Bhardwaj et al.
Journal of microencapsulation, 12(1), 71-81 (1995-01-01)
Microspheres containing two different drug loadings of a calcium channel blocker, verapamil hydrochloride, were prepared with three different cellulose esters namely cellulose acetate (CA), cellulose acetate propionate (CAP) and cellulose acetate butyrate (CAB) of approximately similar molecular weights using the
Manuela C C M Sobral et al.
Journal of materials science. Materials in medicine, 19(2), 677-682 (2007-07-11)
Ketotifen was immobilised in cellulose acetate propionate (CAP) membranes and in cellulose acetate butyrate (CAB) membranes. The characteristics of each system were evaluated under a range of experimental conditions. The topography and uniformity of the membranes was assessed using scanning
Kelin Huang et al.
Journal of agricultural and food chemistry, 59(10), 5376-5381 (2011-04-02)
Cellulose acetate butyrate (CAB) and cellulose acetate propionate (CAP) were prepared homogeneously in a 1-allyl-3-methylimidazolium chloride (AmimCl) ionic liquid system from sugarcane bagasse (SB). The reaction temperature, reaction time, and molar ratio of butyric (propionic) anhydride/anhydroglucose units in the cellulose

我们的科学家团队拥有各种研究领域经验,包括生命科学、材料科学、化学合成、色谱、分析及许多其他领域.

联系技术服务部门