CJC-1295 + Ipamorelin (5mg/5mg) · Research brief

How to Buy CJC 1295 Peptide — DAC vs No-DAC Guide

Real Peptides Research TeamEditorial

Updated September 8, 20269 min read

47 WORDS

Short answer

Half the vials sold as ' CJC-1295 without DAC' don't contain CJC-1295 at all. They contain modified GRF (1-29), a related but structurally distinct GHRH analog, and that isn't vendor fraud. It's a naming convention the research chemical market invented years ago and never bothered to correct.

Key takeaways

CJC-1295 with DAC has a reported terminal half-life of roughly six to eight days because a maleimidopropionyl linker binds covalently to cysteine-34 on serum albumin.
The product sold as CJC-1295 without DAC is modified GRF (1-29), a 29-residue tetrasubstituted GHRH analog with a half-life measured in minutes, not days.
HPLC confirms purity but never identity: only mass spectrometry proves the molecular mass matches the intended sequence.
CJC-1295 is not an FDA-approved drug, sits in Category 2 of FDA's 503A bulk substances review, and can only be lawfully supplied for research use.
GHRH analogs are prohibited under section S2 of the WADA Prohibited List, both in and out of competition.
Net peptide content matters because TFA counterions and residual moisture mean gross vial weight overstates the actual quantity of peptide present.

Half the vials sold as 'CJC-1295 without DAC' don't contain CJC-1295 at all. They contain modified GRF (1-29), a related but structurally distinct GHRH analog, and that isn't vendor fraud. It's a naming convention the research chemical market invented years ago and never bothered to correct.

We supply research-grade peptides to laboratories, and the questions we field about this compound are almost always the same three: which version, which supplier, and is any of this legal.

How do you buy CJC 1295 peptide?

To buy CJC 1295 peptide, order from a supplier that sells strictly for research use, publishes a batch-specific certificate of analysis showing both HPLC purity and mass spectrometry identity, and ships lyophilised powder cold. CJC-1295 holds no FDA approval, so no prescription pathway exists. Verify the lot number matches the paperwork.

Most buyers assume the hard part is finding a vendor. It isn't. Vendors are everywhere. The hard part is telling a synthesis house from a repackager, and the DAC decision changes the pharmacokinetics by orders of magnitude. This piece covers what the two variants actually are, how to read a certificate of analysis properly, and exactly where the legal boundary sits when you buy CJC 1295 peptide for research.

What you are actually buying: DAC versus no-DAC

CJC-1295 with DAC and CJC-1295 without DAC are two different molecules whose reported half-lives differ by roughly a factor of 300. Treating them as interchangeable is the single most expensive mistake in this category.

Both descend from growth hormone-releasing hormone (GHRH), the 44-amino-acid hypothalamic peptide that binds the GHRH receptor on somatotroph cells in the anterior pituitary and triggers cAMP-mediated growth hormone synthesis and release. The first 29 residues carry nearly all of the biological activity, which is why almost every GHRH analog in the literature is built on the GHRH(1-29) fragment.

The compound marketed as CJC-1295 no DAC is, in practice, modified GRF (1-29): a tetrasubstituted analog carrying D-Ala at position 2, Gln at 8, Ala at 15 and Leu at 27. The D-Ala substitution blocks cleavage by dipeptidyl peptidase-4 (DPP-4), the serum enzyme that degrades native GHRH within minutes. The remaining substitutions reduce deamidation and methionine oxidation during storage and synthesis. Reported half-life sits around half an hour, producing a short, pulse-like signal.

CJC-1295 with DAC adds the Drug Affinity Complex: a maleimidopropionyl group on a C-terminal lysine that forms a covalent bond with cysteine-34 on circulating serum albumin. The peptide then travels with the albumin pool rather than being cleared rapidly. Teichman and colleagues, publishing in the Journal of Clinical Endocrinology and Metabolism in 2006, reported a terminal half-life in the range of roughly six to eight days, with IGF-1 elevation sustained for over a week.

So when researchers ask how to get CJC 1295 for a given model, the first question back is always the same: pulsatile or sustained? That decision determines which vial belongs on the bench.

Where to buy CJC 1295 peptide and what to check first

The most useful filter when deciding where to buy CJC-1295 peptide is the certificate of analysis (COA), and specifically whether it contains mass spectrometry data or only an HPLC chromatogram.

Here's the part almost every sourcing guide gets wrong. High-performance liquid chromatography (HPLC) tells you what fraction of the material in the vial is a single substance. It does not tell you which substance. A peptide synthesised with a truncated or substituted sequence can return a clean 98% HPLC trace and still not be CJC-1295. Only mass spectrometry, whether electrospray ionisation (ESI-MS) or MALDI-TOF, confirms that the observed molecular mass matches the expected sequence. Purity and identity are two separate tests. A COA carrying only one of them is half a document.

Second: net peptide content. Vials are typically filled by gross weight, and lyophilised peptides carry trifluoroacetate (TFA) counterions plus residual moisture. A vial labelled 5mg by gross weight may contain measurably less actual peptide unless the supplier reports peptide content by amino acid analysis or nitrogen determination. Suppliers who publish that figure are telling you they measured it.

Third, and this is where most complaints originate: match the lot number printed on the vial to the lot number on the COA. A generic PDF recycled across every batch proves nothing about the vial in your hand. Across the labs we supply, the most frequent sourcing complaint isn't potency. It's paperwork that doesn't correspond to the material. That's precisely why the small-batch synthesis and per-lot documentation model at Real Peptides exists: exact amino-acid sequencing, verified batch by batch.

The legal status question, answered plainly

Can I buy CJC 1295? In most jurisdictions, yes, for laboratory research, with no prescription required. Not because the compound is approved, but because it isn't.

CJC-1295 carries no FDA approval for any human or veterinary indication. Clinical development by ConjuChem was discontinued and never resumed. That places it squarely in the research-use-only (RUO) category: lawfully supplied to researchers and institutions, labelled explicitly as not for human or veterinary consumption, and unlawful to market with therapeutic claims of any kind.

FDA's review of bulk drug substances nominated for use in 503A compounding placed CJC-1295 in Category 2, the group the agency flagged as raising significant safety concerns for compounded preparations. The practical consequence is that compounding pharmacy access in the US is restricted, which is why research suppliers, not pharmacies, are where this compound is found.

GHRH and its analogs also fall under section S2 of the WADA Prohibited List, covering peptide hormones and growth factors. Any athlete under testing jurisdiction should treat CJC-1295 as banned in and out of competition.

If your interest in this compound comes from an animal-health context rather than a laboratory one, talk to your veterinarian. Research peptides are not veterinary medicines and are no substitute for a clinical consultation.

When you buy CJC 1295 peptide online, order directly from the supplier rather than through general marketplaces or social sellers, and prefer domestic shipping to avoid customs delays that break the cold chain. Laboratories studying growth hormone secretagogue pathways frequently source GHRH analogs alongside ghrelin-receptor (GHS-R1a) agonists such as GHRP-2 or the orally active MK-677, since the two receptor systems are studied as separate signalling routes.

DAC versus no-DAC: a side-by-side comparison

The variant you choose changes storage handling, experimental design and cost per unit of research. This table maps the practical differences that matter at the point of purchase.

Attribute	CJC-1295 with DAC	CJC-1295 without DAC (mod GRF 1-29)	Bottom Line for Sourcing
Reported half-life	Roughly 6 to 8 days, via covalent albumin binding at cysteine-34	Approximately 30 minutes after DPP-4 resistance from the D-Ala2 substitution	The DAC version suits sustained-exposure models; no-DAC suits short-window pulse studies
Structure	30-residue chain with a maleimidopropionyl lysine linker	29-residue tetrasubstituted GHRH fragment (D-Ala2, Gln8, Ala15, Leu27)	Mass spectrometry is the only reliable way to confirm which one is in the vial
Signalling profile	Prolonged elevation of GH and downstream IGF-1 rather than discrete pulses	Short, sharp GHRH receptor activation closer to native pulsatility	Studies modelling physiological pulsatility should not default to the DAC form
Labelling risk at purchase	Usually listed accurately as CJC-1295 DAC	Frequently mislabelled, since no-DAC is a market nickname rather than the original compound	Where to buy CJC 1295 with DAC is the easier question; the no-DAC listing needs verification
Documentation to demand	Batch COA with HPLC purity, MS identity and net peptide content	Identical requirements, plus explicit confirmation of the four substitutions	A supplier who cannot state the sequence in writing is a repackager, not a synthesiser

What If: CJC-1295 Sourcing Scenarios

What if the vial arrives warm and the ice pack has already melted?

Document the condition on arrival, photograph the packaging, and contact the supplier before opening anything. Lyophilised CJC-1295 is considerably more tolerant of ambient temperature than reconstituted solution, and short transit excursions are common without catastrophic loss. Reconstituted material is a different matter entirely: once in solution, the peptide is vulnerable to hydrolysis and aggregation, and there is no home test that distinguishes intact peptide from degraded peptide by appearance.

What if the supplier provides an HPLC chromatogram but no mass spectrometry data?

Treat the identity of that material as unverified and ask for the MS report before purchase. A missing mass spec result is the most common documentation gap in this market, and it's the one that hides sequence errors. Reputable synthesis houses run both as standard because they need the data internally for quality control, which means providing it costs them nothing.

What if the price is dramatically lower than every other supplier?

Check net peptide content and vial fill before assuming you found a bargain. Underfilling, high residual TFA salt content, and substitution with cheaper related fragments are the three mechanisms that produce below-market pricing on GHRH analogs. Price per milligram of verified peptide, not price per vial, is the only comparison that means anything here.

What if the lyophilised powder looks like a thin film instead of a solid cake?

A thin film or partially collapsed cake is usually a lyophilisation cosmetic outcome, not automatic evidence of degradation. Very small fill quantities frequently present this way. What does warrant a supplier query is discolouration, visible moisture, or a cake that has liquefied, since any of those suggest a seal or temperature failure during storage or transit.

What if my order is held at customs?

Expect delays and potential seizure on international research chemical shipments, and factor that into supplier selection before you order. Sourcing domestically from a supplier with in-country stock removes the customs variable entirely and shortens the cold chain window. Where to buy CJC-1295 peptide is, in practice, often a shipping-distance question as much as a quality one.

The uncomfortable truth about research peptide sourcing

Here's the honest answer: most of the vendors selling CJC-1295 don't make it. They buy bulk powder, fill vials, print a label, and attach a COA that came with the drum. That isn't inherently disqualifying, but it means the analytical data describes a batch, not necessarily your vial, and nobody in that chain performed sequence verification. The way to buy CJC 1295 peptide without inheriting that risk is unglamorous: demand per-lot documentation, insist on mass spectrometry, and treat any supplier who resists either request as an answer in itself.

The information here is educational and describes laboratory research context only.

When researchers ask how to buy CJC 1295 peptide, they're usually asking a question about price when they should be asking a question about provenance. The compound itself is well characterised, the pharmacokinetics are published, and the distinction between the DAC and no-DAC forms is settled science. What remains genuinely uncertain, every single time, is whether the powder in that particular vial matches the label on its side. That uncertainty is entirely solvable with two analytical reports and a matching lot number, and it costs nothing to ask for both before money changes hands.

References

Peer-reviewed sources on CJC-1295 indexed in PubMed, listed for research context. Real Peptides supplies CJC-1295 for laboratory research use only.

Netnography of Female Use of the Synthetic Growth Hormone CJC-1295: Pulses and Potions. Substance use & misuse, 2016. PMID 26771670. doi:10.3109/10826084.2015.1082595
Identification of CJC-1295, a growth-hormone-releasing peptide, in an unknown pharmaceutical preparation. Drug testing and analysis, 2010. PMID 21204297. doi:10.1002/dta.233
Activation of the GH/IGF-1 axis by CJC-1295, a long-acting GHRH analog, results in serum protein profile changes in normal adult subjects. Growth hormone & IGF research : official journal of the Growth Hormone Research Society and the International IGF Research Society, 2009. PMID 19386527. doi:10.1016/j.ghir.2009.03.001
Prolonged stimulation of growth hormone (GH) and insulin-like growth factor I secretion by CJC-1295, a long-acting analog of GH-releasing hormone, in healthy adults. The Journal of clinical endocrinology and metabolism, 2006. PMID 16352683. doi:10.1210/jc.2005-1536
Once-daily administration of CJC-1295, a long-acting growth hormone-releasing hormone (GHRH) analog, normalizes growth in the GHRH knockout mouse. American journal of physiology. Endocrinology and metabolism, 2006. PMID 16822960. doi:10.1152/ajpendo.00201.2006
Pulsatile secretion of growth hormone (GH) persists during continuous stimulation by CJC-1295, a long-acting GH-releasing hormone analog. The Journal of clinical endocrinology and metabolism, 2006. PMID 17018654. doi:10.1210/jc.2006-1702
Human growth hormone-releasing factor (hGRF)1-29-albumin bioconjugates activate the GRF receptor on the anterior pituitary in rats: identification of CJC-1295 as a long-lasting GRF analog. Endocrinology, 2005. PMID 15817669. doi:10.1210/en.2004-1286

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Questions

Buy CJC 1295 peptide from a research supplier that sells strictly for laboratory use, publishes a batch-specific certificate of analysis with both HPLC purity and mass spectrometry identity data, and ships lyophilised powder cold. Confirm the vial lot number matches the COA before the material is logged into inventory.

CJC-1295 is obtained through research peptide suppliers rather than pharmacies. It holds no FDA approval, so no prescription pathway exists, and compounding access is limited because the agency placed it in Category 2 of its 503A bulk drug substances review. Order direct from a supplier that documents synthesis per batch.

If the question is how CJC-1295 is handled in a laboratory, the essentials are storage of the lyophilised powder at around minus 20 degrees Celsius, reconstitution under sterile technique, refrigeration at 2 to 8 degrees Celsius afterwards, and avoidance of repeated freeze-thaw cycles that degrade peptide structure over time.

You can buy CJC 1295 peptide online directly from a research supplier that ships domestically, states research-use-only terms plainly, and provides analytical data per lot. Avoid social media sellers and general marketplaces: without a COA, cold chain or a traceable lot number, there is no way to verify what arrived.

Yes, in most jurisdictions you can buy CJC-1295 for laboratory research without a prescription, because it is an unapproved compound rather than a scheduled or prescription-only drug. It cannot lawfully be sold or marketed for human or veterinary consumption, and GHRH analogs are prohibited under WADA section S2.

Buy from suppliers that synthesise or verify in small batches and publish per-lot certificates of analysis, such as Real Peptides. The practical filter is documentation: mass spectrometry confirming identity, HPLC confirming purity, a reported net peptide content figure, and a vial lot number that matches the paperwork exactly.

Both variants come from the same research supplier channel, but the no-DAC listing needs more scrutiny. CJC-1295 with DAC is usually labelled accurately because DAC defines the original ConjuChem compound. No-DAC listings are really modified GRF (1-29), so ask the supplier to confirm the D-Ala2, Gln8, Ala15 and Leu27 substitutions in writing.

Pricing varies widely by supplier, vial size and variant, and the headline figure is often misleading. Vials are filled by gross weight, so TFA counterions and residual moisture inflate the apparent quantity. Compare cost per milligram of verified net peptide content rather than cost per vial.

In most jurisdictions CJC-1295 can be purchased legally for research without a prescription, because it is an unapproved investigational compound rather than a controlled substance. The legal boundary is the intended use: supplying, marketing or purchasing it for human or veterinary consumption falls outside research-use-only terms.

A complete COA lists the batch or lot number, HPLC purity percentage with the chromatogram, mass spectrometry data confirming the expected molecular mass, net peptide content, appearance, and the test date. Missing mass spectrometry is the most common gap, and it is the one that conceals sequence errors.

Lyophilised CJC-1295 is typically stored at around minus 20 degrees Celsius and protected from light and moisture. Once reconstituted, solutions are refrigerated at 2 to 8 degrees Celsius and used within a limited window, since peptides in solution are far more prone to hydrolysis and aggregation than dry powder.

GHRH analogs including CJC-1295 fall under section S2 of the WADA Prohibited List, covering peptide hormones and growth factors, and are banned both in and out of competition. Anti-doping laboratories have developed detection methods for GHRH analogs, and downstream IGF-1 markers can also raise flags.

RESEARCH USE ONLY · NOT EVALUATED BY THE FDA