Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Eastman CAB-171-15NF Cellulose Acetate Butyrate

Eastman CAB-171-15NF is a pharmaceutical-grade high-quality powder resin of cellulose acetate butyrate series, custom-designed for pharmaceutical excipients and personal care fields. Manufactured under cGMP standards, it meets National Formulary (NF) requirements. With low butyryl content, it can be used as a semipermeable membrane for osmotic drug delivery

Features Of Eastman CAB-171-15NF Cellulose Acetate Butyrate

  • NF-Compliant - Meets NF standards, manufactured under cGMP, high pharmaceutical safety

  • Low Butyryl Content - Features low butyryl content, combining advantages of both acetyl and butyryl esters

  • Semipermeable & Controlled Release - Can be used as a semipermeable membrane for precise osmotic drug delivery

  • Taste Masking & Sustained Release - Suitable for sustained-release tableting, effectively masking drug odor and prolonging efficacy

  • Easy Powder Processing - Good fluidity in powder form, easy to disperse and prepare, convenient for processing

Typical Applications Of Eastman CAB-171-15NF Cellulose Acetate Butyrate

  1. Drug Delivery Membrane - Used as a semipermeable membrane in osmotic pump drug delivery systems to regulate drug release rate

  2. Sustained-Release Tableting Excipient - Used in sustained-release tablet preparation to improve tablet stability and efficacy duration

  3. Drug Taste Masking Coating - Used for coating drug particles/tablets to mask bitter and other unpleasant odors, improving medication compliance

  4. Pharmaceutical Coating Material - Used for surface coating of medical devices to enhance biocompatibility and use safety

Specifications Of Eastman CAB-171-15NF Cellulose Acetate Butyrate

BrandEastman
Chemical TypeCellulose Acetate Butyrate (CAB),mixed acetyl and butyryl ester
Physical FormPowder
Core CharacteristicsLow butyryl content,Semipermeable,Taste masking & sustained release
Butyryl ContentApprox. 15%(low level in the series)
Acetyl ContentApprox. 38-40%
Viscosity15 sec(5% acetone solution, 25℃)
Molecular WeightMedium molecular weight
Pharmacopoeia StandardMeets National Formulary (NF) requirements



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