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Product Line: Pharmaceutical Chemicals

Hypromellose Acetate Succinate

CAS 71138-97-1

Molecular structure of Hypromellose Acetate Succinate

CAS · 71138-97-1

01

Product Overview

Hypromellose Acetate Succinate is a high-purity pharmaceutical-excipients supplied for industrial and specialty chemical applications. Contact our team for specifications, packaging options and lead times.

02

Product Specifications

Property Specification
Grade USP42
Appearance Should be white or similar white powder, odorless, tasteless
Viscosity Standard: 3 mPa.s, Range: 80%-120%
Acetic acid, succinic acid 1.0% max
Dry weightlessness 5.0% max
Residue on ignition 0.2% max
Heavy metals 0.001% max
Arsenic salt 0.0002% max
Methoxy content 21.0%-25.0%
2-hydroxypropyl content 5.0%-9.0%
-OCOCH3 content 7.0%-11.0%
-OCOCH2CH2COOH content 10.0%-14.0%
03

Applications

1.Pharmaceutical Industry:

- Solid Dispersion Systems: HPMCAS is extensively used in the formulation of amorphous solid dispersions (ASDs), enhancing the bioavailability of poorly water-soluble active pharmaceutical ingredients (APIs).

- Enteric Coatings: The polymer serves as an effective enteric coating agent, protecting APIs from degradation in the acidic environment of the stomach and ensuring targeted drug release in the intestine.

- Controlled Release Systems: Hypromellose Acetate Succinate can be tailored to provide sustained or delayed drug release, optimizing therapeutic outcomes and minimizing dosing frequency.

2.Nutraceuticals:

- Dietary Supplements: HPMCAS is increasingly used in nutraceutical tablets and capsules to improve the absorption and efficacy of active ingredients, particularly for fat-soluble vitamins and herbal extracts.

3.Specialized Applications:

- Solubility Enhancement: For poorly water-soluble drugs, Hypromellose Acetate Succinate forms a molecular dispersion, creating a stable, bioavailable form of the API.

- Stabilization of Drug Formulations: It prevents crystallization of APIs, ensuring consistency and efficacy throughout the product's shelf life.

04

Benefits

1.Enhanced Solubility and Bioavailability:

- Amphiphilic Properties: HPMCAS has both hydrophilic and lipophilic characteristics, improving the solubility of hydrophobic APIs.

- Consistent Drug Absorption: By maintaining APIs in an amorphous state, it enhances their dissolution rate and bioavailability.

2.Targeted Drug Delivery:

- Enteric Protection: Its acid-resistant nature ensures drugs are released only after passing through the stomach, protecting sensitive APIs and reducing gastrointestinal side effects.

- Controlled Release: The polymer's properties can be adjusted to control the rate and site of drug release.

3.Versatility in Formulation:

- Compatibility: Hypromellose Acetate Succinate works with a wide range of APIs and excipients, making it a flexible choice for formulators.

- Adaptable Performance: Available in different grades, it can be customized to meet specific formulation needs.

4.Stability and Shelf Life:

- Thermal and Chemical Stability: HPMCAS provides robust protection against environmental factors, ensuring the integrity of sensitive formulations.

5.Cost-Efficiency:

- Effective Usage: Even at low concentrations, HPMCAS delivers reliable performance, making it a cost-effective excipient for advanced drug formulations.

05

Conclusion

A concise summary and suitability assessment for this product is available on request. Contact our team to discuss whether it fits your process and quality requirements.