Analytical Method Validation Services
In regulated and quality-driven industries, a validated analytical method is the foundation of trustworthy data. At Planta Analytica, we specialize in analytical method validation for complex botanical and natural product matrices. Whether you need a full ICH Q2(R2) validation package, a fit-for-purpose validation, or method transfer support, we deliver methods anchored to high-purity, well-characterized reference standards — many of which we produce in-house.
Why Analytical Method Validation Matters
Reliable quantitative data is essential for commercial success and regulatory compliance. Validated methods protect your brand, support label claims, and reduce risk across the supply chain.
- Nutraceuticals & Dietary Supplements: Support FDA 21 CFR Part 111 compliance and accurate potency claims on finished product labels.
- Agrochemicals: Meet EPA/FIFRA requirements for active ingredient quantitation, five-batch analysis, and residue methods.
- Botanicals & Functional Ingredients: Deliver reproducible marker compound data for standardization, chemotype verification, and incoming raw material qualification.
- Pharmaceuticals & Impurities: Provide robust, stability-indicating methods suitable for regulatory filings and release testing.
A properly validated method gives buyers, regulators, and internal teams confidence that reported concentrations are accurate, precise, and traceable.
A properly validated method gives buyers, regulators, and internal teams confidence that reported concentrations are accurate, precise, and traceable.
Our Analytical Method Validation Services
We offer flexible validation packages tailored to your stage of development and regulatory needs:
Full Validation
(ICH Q2(R2))
Comprehensive validation demonstrating all key metrics for methods intended for release testing, stability, or regulatory submission.
Partial / Fit-for-Purpose Validation
Focused validation of critical parameters when full validation is not required (e.g., early development, research, or internal QC methods).
Method Transfer & Verification
Transfer of existing methods to our laboratory or from our lab to yours, with appropriate verification or re-validation.
Analytical Scope Expansion &
Re-validation
Evaluation and re-validation following changes in method, matrix, instrumentation, or site.
Custom Method Development + Validation
End-to-end service — we develop the method and validate it in one streamlined project.
Forced Degradation & Stability-Indicating Methods
Development and validation of methods capable of separating the analyte from degradation products.
Deliverables typically include a comprehensive validation report, raw data, chromatograms, system suitability criteria, and supporting documentation suitable for audits and regulatory review.
Key Validation Parameters We Demonstrate
All analytical method validation services are performed according to ICH Q2(R2) principles and tailored to the specific requirements of botanical and natural product matrices. We also establish and document system suitability criteria (resolution, tailing factor, theoretical plates, and injection precision) to ensure ongoing method performance.
| Parameter | Description | Typical Acceptance Criteria |
|---|---|---|
| Specificity | Ability to measure the analyte in the presence of matrix components and degradation products | No interference; peak purity confirmed |
| Accuracy | Closeness of measured results to true value (via spiking/recovery studies) | 98–102% recovery (typical) |
| Precision | Repeatability and intermediate precision | RSD ≤ 2% (typical for quantitative methods) |
| Linearity | Proportional response across the analytical range | r² ≥ 0.999 over minimum 5 concentration levels |
| Range | Interval over which the method is validated | From LOQ to 120–130% of target specification |
| LOD/LOQ | Limits of detection and quantitation | Determined by signal-to-noise ratio |
| Robustness | Method performance under small deliberate variations | System suitability maintained |
Our Validation Process
Consultation & Protocol Design –Â We discuss your analyte, matrix, intended use, and regulatory requirements to define theappropriate validation strategy and acceptance criteria.
- Method Optimization –Â We refine or develop the method using our extensive library of high-purity reference standards and deep experience with complex botanical matrices.Â
- Validation Experiments –Â We execute the agreed validation protocol with rigorous controls, including forced degradation studies when required.
Data Analysis & Reporting –Â We deliver a complete validation package with all supporting data, calculations, and documentation.
Method Transfer Support –Â We provide training, protocols, and ongoing support for successful implementation in yourlaboratory or at a contract manufacturing organization.
Seamless Integration with Related Services
Method validation works best when connected to your broader analytical and manufacturing strategy.
Quantitative HPLC Analysis
Once validated, methods can be used for routine testing, CoA generation, and stability programs for regulated industries.
Method Development & Scale-Up
We can develop and validate supporting in-process and release methods in parallel with your manufacturing process development.
Reference Standards Catalog
Many validations are supported by standards we produce in-house. Browse our collection of high-purity reference standards.
Frequently Asked Questions
What is the difference between partial and full method validation?
Full validation follows ICH Q2(R2) guidelines and evaluates all key performance characteristics, including specificity, accuracy, precision, linearity, range, LOD/LOQ, and robustness. It is typically required for methods used in product release, stability programs, or regulatory submissions.
Partial (fit-for-purpose) validation focuses only on the critical parameters needed for the intended use of the method. This approach is often appropriate for early development work, internal quality control methods, or when adapting an existing validated procedure.
How long does a typical method validation project take?
A standard method validation usually takes approximately 2 weeks after we receive your samples and any existing method information.
If method development is also required, the typical timeline is 4 weeks. Projects involving particularly difficult analytes or complex matrices may take longer. We provide a realistic timeline after reviewing your specific compound and sample matrix.
Can you validate methods when no commercial reference standard is available?
Yes. This is one of our core strengths. We regularly develop and validate methods for botanical and natural product matrices where commercial reference standards do not exist. In many cases, we can isolate and characterize high-purity reference standards in-house to support the validation work.
Do you offer method transfer services?
Yes. We support method transfer in both directions — transferring methods into our laboratory or transferring methods from our laboratory to yours or to a contract manufacturing organization. This includes protocol preparation, training support, and verification or re-validation as needed to confirm consistent performance.
What deliverables will I receive?
You will receive a complete validation package that includes the validation protocol, experimental data, chromatograms, calculations, system suitability criteria, and a clear summary of results against the predefined acceptance criteria. Raw data files and additional documentation suitable for regulatory review or internal quality systems are also available upon request.
Do you have experience with complex botanical and natural product matrices?
Yes. We specialize in method validation for botanicals, nutraceuticals, and agrochemicals. Our team has extensive experience developing and validating methods in complex plant-based matrices where selectivity, matrix effects, and compound stability present unique challenges.