Peptide purity
UK Based
Made, tested and shipped from Alderley Park, Cheshire.
99% Purity
We only release peptides at 99% purity or higher, measured by HPLC.
3rd-Party Tested
Independently checked by an accredited UK lab.
CoA Every Batch
Downloadable Certificate of Analysis for the exact batch you receive.
Often stacked with
Add compounds that pair well to the same order: one click, no extra shipping.
Scientific profile
CJC-1295 at a glance
Primary research areas
- GHRH receptor signalling
- Growth-hormone release
- Longer-lasting peptide design
- Pituitary cell studies
- Sequence
- Tyr-D-Ala-Asp-Ala-Ile-Phe-Thr-Gln-Ser-Tyr-Arg-Lys-Val-Leu-Ala-Gln-Leu-Ser-Ala-Arg-Lys-Leu-Leu-Gln-Asp-Ile-Leu-Ser-Arg-NH2
- Molecular formula
- C152H252N44O42
- Molecular weight
- 3367.9 g/mol
- CAS number
- 863288-34-0
- Purity
- ≥99% (RP-HPLC)
- Physical form
- Lyophilised white powder
- Solubility
- Water soluble; bacteriostatic water recommended
- Half-life
- Extended relative to native GHRH by residue substitution
- Storage
- Lyophilised: 2–8°C, protected from light. Reconstituted: 2–8°C, use within 30 days.
What researchers study CJC-1295 for
How to store and prepare CJC-1295
Mechanism at a glance
Live batch record
The exact batch we're shipping today
Every CJC-1295 vial leaving Alderley Park carries a batch number, a test date and a published certificate. Nothing ships before an independent laboratory has signed the result off.
- Batch number
- CJC-2419
- Date tested
- 12 Mar 2026
- HPLC purity
- 99.41%
- Test method
- RP-HPLC / MS
- Testing laboratory
- Accredited UK lab (ISO/IEC 17025)
- Retest due
- 11 Mar 2028
We only release batches at 99.00% purity or higher, measured by HPLC.
Certificate on request for batch CJC-2419
Batch journey
- Made 19 Feb 2026 Made in the UK
- Independently tested 12 Mar 2026 Accredited UK laboratory
- Quality-checked 15 Mar 2026 Released at 99.41%
- Shipping now Current stock This is the vial you receive
Previous batches, still published
- CJC-2388 tested 04 Feb 2026 99.28%On request
- CJC-2351 tested 19 Dec 2025 99.16%On request
Delivery & handling
Getting your CJC-1295
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01
Order before 3pm
Place your order online. Orders before 3pm on a working day are picked and packed the same day.
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02
Dispatched from the UK
Your vials are pulled from a batch with a published CoA and sealed in plain, unbranded outer packaging.
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03
Tracked UK delivery
Dispatched on a tracked 24-hour Royal Mail service. Free on orders over £100, with tracking.
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04
Store and research
Store lyophilised powder at −20°C, tightly sealed, dry and protected from light; after reconstitution, store at 2–8°C for short-term use
Certificates of analysis
Every batch tested. Every result published.
Samples from each CJC-1295 batch are sent to an independent, accredited UK laboratory. Purity is measured with a technique called HPLC, and identity is confirmed by mass spectrometry, before the batch is released.
| Batch | Tested | Purity | Method | Certificate |
|---|---|---|---|---|
| CJC-2419 | 12 Mar 2026 | 99.41% | RP-HPLC / MS | On request |
| CJC-2388 | 4 Feb 2026 | 99.28% | RP-HPLC / MS | On request |
| CJC-2351 | 19 Dec 2025 | 99.16% | RP-HPLC / MS | On request |
Why researchers choose us
Tested, documented, repeatable
Every batch tested
No vial is released until an independent laboratory confirms the batch meets our 99% purity standard.
Research first
Everything is made, filled and documented for laboratory research, with the specs and paperwork coming before any marketing.
UK made, shipped worldwide
Made and filled at Alderley Park, the UK's largest life sciences campus, and shipped with tracking.
Consistent between batches
Every release is held to the same specification, so a repeat order behaves like the last one.
Answers
CJC-1295 questions, answered
Can't find what you need? Our UK team answers technical enquiries within one working day.