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Selluloosa eetteri Suitable HPMC, CMC, and selected cellulose ether grades for tablet binding, film coating, controlled release, suspensions, topical systems, and excipient applications.

Pharmaceutical grade cellulose ether refers to suitable cellulose-derived excipients used in pharmaceutical formulations for functions such as film forming, binding, controlled release, viscosity control, suspension stability, and stabilization, subject to grade qualification, pharmacopoeia compliance, and applicable regulatory requirements.

HPMC and CMC are the two most commonly used cellulose ethers in suitable pharmaceutical applications. HPMC is widely used for tablet film coating, controlled-release matrix systems, binding, and selected suspensions. CMC may be used for suspensions, oral liquids, topical systems, and selected binding applications depending on grade and documentation.

Yes. Suitable pharmaceutical grade HPMC is widely used as a tablet film coating polymer because of its film-forming properties, process compatibility, and established regulatory history in approved drug products. Colorcon's technical education materials note that hypromellose is used as a tablet-coating polymer in pharmaceutical manufacturing.

Yes. HPMC is one of the most widely used excipients in controlled-release matrix tablets. As described in the 2025 review in Pharmaceuticals (PMC12196896), HPMC is commonly used in tablet formulations for controlled-release dosage forms. When hydrated, suitable HPMC grades form a gel layer that helps manage drug release over an extended period.

Suitable CMC grades improve viscosity, reduce sedimentation, support suspension stability, and improve uniform dosing in selected pharmaceutical suspension systems. The USP compendial standard for Carboxymethylcellulose Sodium supports quality testing for pharmaceutical use.

No. Industrial, construction, paint, detergent, or general-purpose grades must not be assumed suitable for pharmaceutical use. Pharmaceutical applications require suitable qualified grades with appropriate documentation, pharmacopoeia compliance, and customer qualification before any commercial use.

Commonly requested documents include TDS, SDS, COA, product specification, pharmacopoeia-related information, microbiological data, heavy metals information, residual solvent information, and other quality or regulatory statements depending on customer and market requirements. Document availability varies by product grade and market.

No. The FDA Inactive Ingredients Database lists inactive ingredients found in FDA-approved drug products and is updated quarterly. It is a useful reference for excipient research and benchmarking, but it does not replace product qualification, formulation validation, or independent regulatory review by the customer.

Start with the dosage form, target excipient function, viscosity requirement, route of administration, pharmacopoeia expectations, documentation needs, and target market. LANDERCOLL can help recommend suitable HPMC or CMC grade directions for evaluation and qualification. Final suitability must always be confirmed by the customer's own pharmaceutical development and quality organization before commercial use.