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419060

Sigma-Aldrich

Cellulose acetate butyrate

average Mn ~30,000

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About This Item

CAS Number:
9004-36-8
MDL number:
MFCD00081513
UNSPSC Code:
12162002
NACRES:
NA.23

form

powder

mol wt

average Mn ~30,000

extent of labeling

≥49 wt. % Butyryl
1.4-2.4 wt. % Hydroxyl

refractive index

n20/D 1.475 (lit.)

density

1.25 g/mL at 25 °C (lit.)

SMILES string

O5[C@H]([C@@H]([C@H]([C@@H]([C@H]5COC(=O)CCC)OC(=O)CCC)OC(=O)CCC)OC(=O)CCC)O[C@@H]6[C@H](O[C@H]([C@@H]([C@H]6OC(=O)CCC)OC(=O)CCC)OC(=O)CCC)COC(=O)CCC.O3[C@H]([C@@H]([C@H]([C@@H]([C@H]3COC(=O)C)OC(=O)C)OC(=O)C)OC(=O)C)O[C@@H]4[C@H](O[C@H]([C@@H]([C@H]4OC(=

InChI key

WGKMZYZRLDSCLX-OLZTYWLQSA-N

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Related Categories

Storage Class Code

11 - Combustible Solids

WGK

nwg

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
MKCW0709
MKCQ5436
MKCM1144
MKCJ3268
MKCD0010

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Nahla S Barakat et al.
Journal of microencapsulation, 25(1), 31-45 (2008-01-12)
The aim of this study was to develop and characterize diclofenac sodium loaded-cellulose acetate butyrate microparticles in order to obtain a controlled-release system. The influence of the type of polymer, the volume and composition of the internal phase, drug loading
Yasunori Miyazaki et al.
Biological & pharmaceutical bulletin, 26(12), 1744-1747 (2003-12-04)
Mucoadhesive microspheres made of oppositely charged dextran derivatives and cellulose acetate butyrate (Ad-MS) were evaluated for their ability to improve the bioavailability of theophylline (TH) and thiamine disulfide (TDS). A drug suspension (or solution) and non-adhesive microspheres (MS) were used
Soad A Yehia et al.
Drug delivery, 18(8), 620-630 (2011-11-25)
The purpose of this study is to increase the lag time and prevent release of budesonide, a corticosteroid drug used in Crohn's disease for the first 5 h and efficiently deliver it to the colon. Eudragit S100 spray-coated capsules and pulsatile
Varaporn Buraphacheep Junyaprasert et al.
International journal of pharmaceutics, 352(1-2), 81-91 (2007-12-07)
A sustained release suspension of diltiazem, a short half-life calcium channel blocker, was developed to reduce frequency of drug administration, ease of dose adjustment and improve patient compliance. In this study, the sustained release of diltiazem was obtained by complexing
Mitra Jelvehgari et al.
Archives of pharmacal research, 32(7), 1019-1028 (2009-07-31)
The present research work compares the effect of microsphere preparation technique on micromeritics and release behaviors of theophylline microspheres. Microspheres were prepared by oil-in oil (O(1)/O(2)) emulsion solvent evaporation method (ESE) using different ratios of anhydrous theophylline to cellulose acetate
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