
6c Peptide (Unmodified P21)
Lab results
LOT #P21102606-111KCurrent 96.67%
RESEARCH USE ONLY
These compounds are NOT intended for human consumption, clinical use, or veterinary applications. We are not affiliated with any pharmaceutical companies or their commercial medications. By placing an order, you certify these materials will be used exclusively for in vitro testing and laboratory experimentation only. Bodily introduction of any kind into humans or animals is strictly forbidden by law. This product should only be handled by licensed, qualified professionals. This product is not a drug, food, or cosmetic and may not be misbranded, misused or mislabeled as a drug, food or cosmetic.

About 6c Peptide (Unmodified P21)
6c Peptide (Unmodified P21) is a synthetic CNTF-derived tetrapeptide designed around the minimal DGGL sequence described in preclinical research. The unmodified compound corresponds to Ac-DGGL-NH₂ and is chemically distinct from P021, which adds an adamantane-based residue to the parent sequence.
In controlled research settings, Peptide 6c has been studied in connection with neurotrophic signaling, BDNF-associated expression, neuronal progenitor activity, and synaptic plasticity. Its compact, non-adamantylated structure also makes it relevant for comparative research examining how terminal modification changes peptide properties.
Available in 5mg and 10mg research quantities. Consult batch-specific documentation for confirmed identity, purity, and handling information.
For research use only. Not for human or veterinary use. Not intended for consumption, diagnosis, treatment, or prevention of disease.
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Related Peptides
You ask,
we answer.
Are these peptides quality tested?
Are these peptides quality tested?
Absolutely. Our analytical testing is conducted by Janoshik Analytical, BioRegen, or Freedom Diagnostics, independent third-party laboratories that verify the identity, purity, and composition of our research products. All products are guaranteed to test at 98% purity or higher. Each CoA includes purity analysis, peptide sequence confirmation, date of analysis, and an endotoxin report.
What are typical delivery times?
What are typical delivery times?
Delivery for our free shipping option typically takes 3-5 business days. We ship from right here in the USA to all US addresses. We also provide an option for next day shipping for an extra charge. Please allow 24 hours for processing.
Every package comes with professional packaging and tracking updates via email.
How should these compounds be stored?
How should these compounds be stored?
Our peptides are shipping in lyophilized form, which is stable at room temperature during transit. Once received, store unopened vials in a cool, dry place.
Are products stable during shipping?
Are products stable during shipping?
Our peptides are shipped in lyophilized (freeze-dried) form, which ensures stability during transit. This powder form is highly stable at room temperature and resistant to temperature fluctuations that occur during shipping.
Research has shown no significant degradation or loss of purity when lyophilized peptides are exposed to room temperature during typical shipping timeframes. Each batch is verified for purity upon production, and our stability testing confirms maintenance of product integrity during standard shipping conditions.
What are your bulk ordering options?
What are your bulk ordering options?
For bulk inquiries and volume pricing, please contact us.
What is the shelf life/expiration of unopened vials?
What is the shelf life/expiration of unopened vials?
Each lot lists a best-by/expiration on the vial label and COA. As general guidance, lyophilized peptides stored as directed are typically stable 12–24 months (often longer at –20 °C). Short shipping periods at ambient temperature are normal. Actual stability depends on sequence and storage conditions.







