01
Analytical-Grade Purity
Every lot released against HPLC purity, identity, and residual-solvent specifications documented on the certificate of analysis.
≥98% HPLC verified
Research Use Only
The Standard for Analytical Excellence.
Certified reference standards supplied lab-to-lab for HPLC, GC-MS, and QC purity verification — released with full documentation to accredited testing labs, universities, and manufacturers. Research use only.
ISO/IEC
17025 aligned
≥98%
HPLC purity
Lot
Traceable
Access is reviewed manually. Institutional and ship-to verification required.
Institutional Account
Helix Analytical, LLC
ISO/IEC 17025 · Verified partner
Open
4
YTD Orders
128
COA On File
96
Recent OrdersView all →
ORD-4821
Reference Standard RS-4521
ORD-4820
Reference Standard RS-3312
ORD-4817
Reference Standard RS-2907
ORD-4805
Reference Standard RS-1184
FRAMEWORKS & ALIGNMENT
Documentation aligned to the standards analytical labs already work in.
ISO/IEC 17025
Aligned quality system
USP / EP
Referenced methods
ICH Q2(R1)
Method validation
cGMP-aligned
Documentation practices
21 CFR Part 11
Records integrity
GDP
Cold-chain & handling
PepBridge is not a certification body. Materials are released for research use only and supplied with documentation that references the frameworks above so your team can slot them into existing SOPs, method validations, and audit trails.
BUILT FOR
The Labs Reference Materials Belong In.
Access is scoped to institutions with the documentation infrastructure to use analytical reference standards responsibly.
Contract Testing Labs
ISO 17025Academic Research
R1 & R2 InstitutionsAnalytical CROs
Method DevelopmentPharma QC
Release TestingCompounding Pharmacies
USP 795 / 797Biotech R&D
Discovery & AssayGovernment Labs
Forensic & Reference503B Outsourcing
Batch DocumentationWHY PEPBRIDGE
Built For Labs That Read The Chromatogram.
PepBridge is designed for QC teams, testing labs, and research groups that need reference materials with real documentation — purity, identity, and lot-level records they can defend.
02
Batch Traceability
Each unit is tied to a lot number, synthesis record, and release date so results reproduce across your analytical runs.
Lot-linked records
03
Lab-to-Lab Support
A technical contact who understands method development, spec sheets, and analytical questions — not a storefront chatbot.
Direct technical contact
DOCUMENTATION, NOT MARKETING
Every Lot, Every Test, Every Signature — On File.
Certificates of Analysis are generated per lot, signed by the analyst on record, and archived for retrieval. Purity, identity, and water content — released the same way your auditors expect to read them.
COA on every lot
Certified Reference Materials
Analytical reference standards released against purity, identity, and moisture/residual-solvent specifications. For research and analytical use only.
- HPLC purity ≥98% (method on file)
- Mass-spec confirmed identity
- Karl Fischer / residual-solvent data where applicable
Included with every lot
Full Documentation Package
A complete records set: certificate of analysis, chromatograms, spec sheet, and RUO statement — delivered with the shipment.
- Signed certificate of analysis
- HPLC / MS chromatograms on request
- Product specification sheet
Reproducible results
Batch & Lot Traceability
Every vial carries a lot number linked to its synthesis record, release date, and retained analytical data — so a result you got last quarter still reproduces this quarter.
- Unique lot number per unit
- Retention samples held for reference
- Historical COAs available on request
Direct technical contact
Method & Analytical Support
A working contact for spec questions, method development, and reference-standard selection — staffed by people who read the chromatograms.
- Spec-sheet clarifications
- Reference-standard selection guidance
- Custom aliquot / packaging on request
Institutional accounts
Qualified-Account Ordering
Structured account setup for QC labs, testing labs, and academic groups — with PO terms, ship-to verification, and repeatable reorder workflows.
- Institutional account onboarding
- PO and net-terms options
- Verified ship-to for controlled handling
PEPBRIDGE LABORATORIES
Certificate of Analysis
RELEASED2024-07-31
METHOD · HPLC-UV / LC-MS
| Test | Specification | Result |
|---|---|---|
| Purity (HPLC, 214 nm) | ≥ 98.0 % | 99.42 % |
| Identity (LC-MS, [M+H]⁺) | 1,025.19 ± 0.5 | 1,025.21 |
| Water content (Karl Fischer) | ≤ 6.0 % | 3.8 % |
| Acetate content | ≤ 15.0 % | 8.2 % |
R U O
PEPBRIDGE LABORATORIES
Certificate of Analysis
RELEASED2024-06-29
METHOD · HPLC-UV / LC-MS
| Test | Specification | Result |
|---|---|---|
| Purity (HPLC, 214 nm) | ≥ 98.0 % | 98.71 % |
| Identity (LC-MS, [M+H]⁺) | 1,290.48 ± 0.5 | 1,290.44 |
| Water content (Karl Fischer) | ≤ 6.0 % | 4.6 % |
| Residual TFA | ≤ 12.0 % | 6.9 % |
R U O
PEPBRIDGE LABORATORIES
Certificate of Analysis
RELEASED2024-08-12
METHOD · HPLC-UV / LC-MS
| Test | Specification | Result |
|---|---|---|
| Purity (HPLC, 220 nm) | ≥ 97.5 % | 98.06 % |
| Identity (LC-MS, avg. mass) | 3,357.9 ± 1.0 | 3,358.1 |
| Water content (Karl Fischer) | ≤ 7.0 % | 5.1 % |
| Endotoxin (LAL, informational) | Report | < 5 EU/mg |
R U O
PEPBRIDGE LABORATORIES
Certificate of Analysis
RELEASED2024-07-05
METHOD · HPLC-UV / LC-MS
| Test | Specification | Result |
|---|---|---|
| Purity (HPLC, 214 nm) | ≥ 98.0 % | 99.11 % |
| Identity (LC-MS, [M+H]⁺) | 898.06 ± 0.5 | 898.09 |
| Water content (Karl Fischer) | ≤ 6.0 % | 3.2 % |
| Appearance | White lyophilised solid | Conforms |
R U O
WHY THIS EXISTS
Reference Materials, Not A Storefront.
PepBridge was built for analytical teams that treat reference materials as instruments — where the COA, the lot number, and the retained data matter as much as the vial itself.
Built For Analytical Work
Every material is scoped, documented, and released for research and analytical use — not consumer resale.
Reproducibility First
Lot numbers, retention samples, and historical COAs are treated as first-class infrastructure.
Qualified Accounts Only
Access is reviewed so materials stay with labs and researchers, not the open market.
PRIVATE LABEL PROGRAM
Your wordmark. Our chain of custody.
We apply your laboratory's identity to every vial label, certificate of analysis, and release record. The analytical work, the signatures, and the retention file remain unchanged — the imprint on the outside is yours.
MB
MERIDIAN BIOANALYTICS
Analytical Reference · Series III
HX
HELIX DIAGNOSTICS
Certified Reference Material
VA
VECTOR ANALYTICAL
QC Reference · Grade A
PROCESS
From Access Request To Released Lot.
A verified path from institutional access request to a lot released against spec — with documentation delivered before you order.
01
Request Lab Access
Submit your institution, use case, and materials of interest so our team can verify fit.
02
Institutional Review
We verify the lab, intended analytical use, and ship-to before releasing spec sheets or pricing.
03
Spec Sheets & Quote
Approved accounts receive product spec sheets, representative COAs, and a formal quote for review.
04
Release & Ship
On PO, materials are released with the signed COA and shipped under appropriate handling.
QUALITY SYSTEM
Specifications, Not Just Product Photos.
Analytical Release Panel
Certificate of Analysis
Signed COA released against purity, identity, and residual-solvent specs on every lot.
Purity & Identity
HPLC purity ≥98% with mass-spec identity confirmation retained on file.
Lot Traceability
Every unit tied to a lot number, synthesis record, and retained sample.
RUO Handling
Research use only. Not for human or veterinary use, diagnostic, or therapeutic application.
METHODS & INSTRUMENTATION
Released Against Methods, Not Marketing.
Each lot is characterized on instrumentation your analytical team recognizes. Method summaries and chromatograms are available on request during account onboarding.
Purity & assay
HPLC-UV / DAD
Agilent 1260 / equivalent
Identity confirmation
LC-MS
Positive & negative ESI
Moisture content
Karl Fischer
Coulometric titration
GC headspace
Residual Solvents
USP <467> referenced
Physical characterization
Appearance & Solubility
Documented per lot
Held for reference
Retention Samples
Reproducibility on request
A reference standard is only as good as the records behind it. Our job is to make sure the COA, the lot number, and the retained sample still hold up when your method is audited a year from now.
PepBridge Quality Statement · Analytical Release
≥98%
HPLC purity
Default release specification
100%
Lots shipped with signed COA
No exceptions
1–3
Business days verification
For qualified institutions
7 yr
Records retention
COAs & lot data on file
CONTROLLED ACCESS
Verified Labs Only. Reviewed For Fit.
Access is reviewed manually so reference materials stay with qualified labs and research groups. Institutional email and verified ship-to required.
01
Apply
02
Verify
03
Release
Verification typically takes 1–3 business days.
VERIFICATION QUEUE
01
Submitted
02
Institution Verified
03
Ship-To Confirmed
04
Access Granted
BRAND STANDARD
Reference materials, held to a record.
PepBridge supplies analytical and QC labs with reference materials released against documented specifications, tied to retained samples, and shipped with the records your methods depend on. Strictly for research use, with qualified labs only.
Purity
≥98% by HPLC-UV
Identity
LC-MS confirmed
Traceability
Lot + retained sample
Records
COA, MSDS, chain of custody
FAQ
Clear Answers Before Access.
How verification, documentation, and RUO handling work at PepBridge.
Analytical and QC labs, testing labs, academic groups, and CROs that need documented reference materials for method development, calibration, and analytical work.
A signed certificate of analysis with purity, identity, and applicable residual-solvent data. Chromatograms and spec sheets are available on request.
Default release is ≥98% HPLC purity with mass-spec confirmed identity. Tighter specs are available for specific materials — ask during account onboarding.
No. All PepBridge materials are supplied strictly for research use only (RUO). They are not for human or veterinary use, and are not intended for diagnostic or therapeutic application.
We verify the institution, ship-to, and stated analytical use before releasing spec sheets or pricing. This keeps materials with qualified labs.
Yes. Lot numbers link back to retained analytical data, and prior COAs can be re-issued on request for reproducibility work.