Inquiry Summary No products selected
What material was tested?
Match the product name, reference identity and supplied form. Mass spectrometry can support molecular-mass assessment; the method and interpretation matter.
Understand the methods
Quality & documentation
Know the product.
Know the product.
Understand the batch.
Review peptide identity, analytical results and batch records with a clear view of what each document covers. CelluPep helps you confirm the documentation available for your requested specification.
Three questions. Different evidence.
Look beyond a single purity number.
Product identity, analytical purity and the amount supplied are different questions. Review them against the relevant specification and report.
What does the result describe?
Read the reported test, result and acceptance criteria together. A catalog specification is not a substitute for the result of the batch being supplied.
Read the report checklistDoes the document match?
Check the batch identifier, sample description, report date and issuing laboratory. Confirm that the report applies to the requested product and specification.
Find a batch reportAnalytical contextComplementary methods.
Complementary methods.
Clearer interpretation.
Ask which tests are available for your selected batch. The overview here explains general analytical principles; it is not a claim that every product receives every test.
Discuss documentation requirementsSeparation & impurity profiling
Liquid chromatography separates components of a sample. Review the chromatogram, detection conditions and reporting method alongside the stated result.
Molecular-mass assessment
Mass spectrometry provides mass information that can help assess identity. LC–MS combines chromatographic separation with mass detection.
A batch-specific record
Use the Certificate of Analysis to connect the tested sample, reported results and specification. Request supporting analytical files where available.
Further reading: Agilent — LC/MS fundamentals. This reference explains analytical principles; it does not certify CelluPep products or facilities.
Before you place an order
A practical COA review checklist.
Start with the original document, not just a cropped result or product label. Keep the full report with your purchasing records.
View Available ReportsMatch the product and form
Confirm the name, specification and sample description. Clarify any abbreviation, blend or supplied-form difference.
Confirm the batch identifier
Ask for the formal batch reference. A cap color or source label alone should not be treated as a verified batch number.
Read methods, results and dates
Check what was measured, the units, the test date and the applicable acceptance criteria. Request clarification for missing fields.
Verify scope and availability
Confirm the report’s issuing source and whether it applies to the material offered. An earlier public report does not establish current stock or batch results.
Keep the evidence together
From product selection to document review.
Explore the catalog, locate available reports and share your documentation requirements with one team. Files and additional testing are confirmed for the specification and batch requested.
Document support
Common quality questions.
For order-specific questions, send the product name, specification and batch reference if available.
Can I request a COA before ordering?
Yes. Ask our team which reports are available for the specification and batch being offered. The download library contains available public records, not a guarantee of current stock.
Does a published report apply to every batch?
No. A report applies to the sample and scope it identifies. Confirm the match to your order instead of applying one result to all products or batches.
What if I need additional testing?
Share the required test, method or acceptance criteria before quotation. Availability, timing and any additional cost need to be confirmed for the project.
Are these documents evidence of clinical suitability?
No. A research-product report is not a clinical approval or a statement of suitability for human use. Products are supplied for research use only, not for human consumption, diagnosis or treatment.