How much does peptide testing cost at Axiom?
Axiom 4X Essential is published at $195 per sample and Axiom 8X Comprehensive at $595; paid samples earn automatic panel discounts (5–9 samples: 10%, 10–14 samples: 15%, 15–19 samples: 20%, 20–24 samples: 25%, 25+ samples: 30%). Paid 4X/8X intake is open, with required Rapid DNA at Layer 4 and a conservative accession reservation. Unresolved Rapid platform, peptide-matrix, control, criterion, or material evidence is shown as a conformance and COA-release hold, never as a PASS, sterility, CFU, or completed-panel claim. USP <71> remains a separate culture upgrade. Extra same-lot vials for cross-vial consistency start at $95 and step down per analytical repeat (the second is $85, the third $75, down to a $50 floor). Bacterial endotoxin under USP 85 is a $50 module on the 4X panel, and CHNS net peptide content is $145.
What is the difference between the 4X and 8X panels?
Both panel definitions require Molecular Mass Fingerprinting, Homogeneity Profiling, Net Peptide Mass Quantitation, Rapid Microbial DNA Screen. Rapid Microbial DNA Screen is a research target-DNA screen, not USP <71>. The 8X configuration adds Bacterial Endotoxin, Elemental Catalytic Sweep, Post-Reconstitution Stability, Fentanyl & Analog Screen. Paid 4X/8X intake is open under controlled accession. If required Rapid evidence is unresolved, the sample remains conformance- and release-held rather than producing a chemistry-only four-layer certificate or completed-panel claim.
Do I need the 8X panel?
Usually not, and we would rather say so. 4X covers identity, chromatographic purity, net content, and the required Rapid DNA question. 8X adds endotoxin, elemental data, stability, and fentanyl/analog screening. Both may be ordered and accessioned under operational scope. Rapid DNA is not USP <71>, and neither affected result nor a completed-panel/COA claim is released until its signed method, controls, suitability, criteria, and material package is complete. 8X is optional depth, not a blanket safety requirement.
Is a more expensive panel a more accurate test?
No. Price tracks how many questions get answered, not how carefully any one of them is answered. The identity determination on a 4X certificate is the same LC-MS/MS determination, run the same way, as the one on an 8X certificate.
How many vials do I need to send?
For controlled accession, a Rapid-only 4X/8X declaration currently reserves one sealed analytical container. That reservation is not a promise that every destructive preparation will fit: the laboratory may request supplemental material until a signed combined ledger proves the Rapid aliquot and every analytical draw, loss, repeat, control allowance, and reserve fit the exact presentation. A conservative USP <71> submitted-container accession uses two dedicated culture containers, one for FTM and one for SCDM, plus one reserved analytical/Rapid container, for three total. Service-required microbial containers are not conformity repeats. Optional same-lot consistency vials start at $95 and are analysed separately against a 5% default CV limit.
Can you test a blend with more than one active?
Yes, and the certificate resolves each declared component separately. Identity passes only if every declared component has a real theoretical mass and a real observed mass within tolerance. A blend that confirms on one component has not been identified, and our release gate refuses to sign one that did.
Do you test bacteriostatic water or reconstitution solvents?
Paid Axiom DX Diluent & Solvent intake is open for an exact declared article at $195. It routes pH under USP <791>, including the required 0.3 mL saturated-KCl preparation per 100 mL. Benzyl-alcohol content routes under USP <341> with its NMT 120% of-label ceiling and locked GC suitability. Finished Bacteriostatic Water for Injection routes to USP <71>, not USP <61> enumeration or process bioburden. Unresolved product-specific lower limits, method profiles, suitability, controls, criteria, or material evidence remain face-up conformance and COA-release holds. We do not claim full Bacteriostatic Water for Injection monograph compliance.