API and Excipients Analysis
High-quality Active Pharmaceutical Ingredients (APIs) and pharmaceutical excipients are the foundational core of pharmaceutical R&D, stable production and qualified finished drug release. Substandard raw material particle properties, unknown harmful impurities, poor compatibility between APIs and excipients, or out-of-limit microbial contamination will directly trigger drug efficacy attenuation, stability failure, clinical adverse reactions and even batch recall risks. As a reliable third-party testing brand under STEMart, PharmaAnalytica provides one-stop full-coverage API and excipients professional analysis services, fully complying with USP, EP and global mainstream pharmacopeia standards. We cover the whole chain from raw material incoming inspection, formula pre-research compatibility verification to finished product auxiliary quality tracing, effectively helping pharmaceutical enterprises lock raw material quality risks in advance, optimize R&D formula schemes, smoothly pass GMP factory audits and drug registration technical reviews, and lay a solid compliant foundation for stable pharmaceutical production and global market layout.
Specialized Drug Excipient Compatibility Study Services
Particle Analysis
Particle property analysis is a critical physical quality control item for APIs and solid functional excipients, directly determining drug powder fluidity, mixing uniformity, compression formability and in-vivo dissolution and release performance. PharmaAnalytica's professional particle analysis service covers full-index detection of particle size distribution, particle shape morphology, bulk density, tap density, specific surface area and powder flowability characteristics. We adopt laser particle size analyzers and high-precision microscopic imaging systems to perform non-destructive, high-repeatability testing for fine powder APIs, microcrystalline cellulose, lactose, starch and other common excipients. All testing operations strictly follow pharmacopeia physical inspection guidelines, output standardized particle parameter reports, support formula screening adjustment, production process parameter calibration, and effectively avoid finished tablet weight variation, uneven content and poor dissolution caused by unqualified particle indicators.
Impurity Test
Impurity profiling and quantitative detection are core safety assessment links to control API raw material risks and ensure medication safety, covering organic related substances, residual solvents, heavy metal elements, inorganic impurities and process degradation impurities. Our laboratory is equipped with HPLC, GC and ICP-MS full-spectrum analytical systems to realize trace-level precise screening and structural identification of unknown impurities. We conduct targeted impurity limit verification according to monograph requirements of different APIs, strictly quantify genotoxic impurities and high-risk toxic residual substances that may be produced during synthesis, purification and storage. All testing methods complete full methodological verification to eliminate matrix interference. We provide complete impurity spectrum data, original chromatographic maps and compliant technical reports, fully meeting raw material batch release inspection and new drug registration impurity dossier submission requirements for pharmaceutical enterprises.
Drug Excipient Compatibility Study
API-excipient compatibility study is an indispensable pre-formulation research core test before new drug development and dosage form upgrading, used to evaluate whether chemical interactions, adsorption adhesion, degradation catalysis and stability attenuation occur between active ingredients and various auxiliary materials. PharmaAnalytica simulates real production and long-term storage environmental conditions such as different temperature, humidity and light intensity, designs scientific compatibility combination experimental groups and blank control groups. We regularly sample and detect API content changes, related substance growth and apparent morphology changes in mixed samples at fixed time nodes. The study accurately screens out incompatible high-risk excipients, locks stable compatible formula combinations, effectively prevents finished product discoloration, precipitation and efficacy decline during shelf life, greatly shortens formula R&D cycle, reduces later batch stability failure risks, and provides reliable experimental basis for optimal dosage form design.
Sterility & Microbiological Control
Microbiological safety control of APIs and special sterile excipients is a rigid barrier to ensure the qualified rate of subsequent sterile preparations such as injections and eye drops. Our one-stop microbial control services include full-standard sterility testing, total aerobic microbial count, mold and yeast count, and targeted detection of objectionable pathogenic bacteria. We adopt closed membrane filtration sterile operation, equipped with high-standard domestic microbial testing instruments, and strictly carry out pre-test method suitability verification to eliminate antibacterial interference of raw material matrices. The whole process is operated in A-level clean environment, with standardized long-term constant temperature incubation and accurate strain identification. It effectively monitors microbial contamination risks of raw materials in real time, provides full GMP-compliant microbial archives, and fully supports batch release of sterile raw materials and daily environmental microbial monitoring in pharmaceutical production workshops.
Drug Product & Formulation Analysis
Based on qualified APIs and safe excipients, our finished drug and comprehensive formulation analysis service realizes closed-loop quality verification from raw materials to final preparations. We cover full-index routine detection of oral solid preparations, liquid preparations and topical semi-solid preparations, including main drug content uniformity, dissolution curve detection, pH value, viscosity, packaging material migration detection and physical and chemical stability investigation. Combined with raw material particle data, impurity results and compatibility experimental conclusions, we conduct comprehensive correlation evaluation of formulation rationality. We timely feed back abnormal quality data in the preparation process, assist enterprises in adjusting production technology parameters, optimize finished product quality standards, and provide complete whole-process analytical data support for pharmaceutical finished product filing, batch release and post-marketing continuous quality monitoring.
Why Choose PharmaAnalytica?
Professional Cross-Field Technical Team
We have a senior technical team composed of pharmaceutical analysts, physical inspectors and microbiologists, proficient in global pharmacopeia standards and raw material production process characteristics, capable of solving complex analytical difficulties of special-process APIs and functional excipients efficiently.
Full Strict Method Validation System
All physical, chemical and microbial testing items complete full methodological verification in advance, ensuring strong anti-interference performance, accurate and reliable data, fully meeting the strict review requirements of pharmaceutical regulatory authorities.
Complete Intelligent Data Traceability Management
The whole testing process adopts instrument automatic data collection and audit trail recording, with original data permanently archived. We issue bilingual formal reports that can be directly used for GMP inspection and cross-border registration submission, with zero risk of data compliance deviation.
Customized One-Stop Integrated Solutions
We flexibly tailor combined analysis schemes according to customer R&D progress, raw material types and audit timelines, support emergency expedited testing, provide real-time technical consultation, and save comprehensive time and labor costs for enterprise quality control and R&D departments.
In conclusion, PharmaAnalytica, backed by STEMart's strong technical strength, integrates multi-dimensional analytical technologies, standardized laboratory management and professional customized services. It is the preferred long-term cooperative partner for global pharmaceutical enterprises to carry out API and excipients quality control, formula research and regulatory compliance work, escorting the whole-process safe and compliant operation of the pharmaceutical industry chain.
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