P-21
CNTF-derived hexapeptide
Laboratory tested · see the certificate (99.8%, lot P21-5-0318) · research peptides

Six residues derived from ciliary neurotrophic factor, capped at both ends: acetylated at the N-terminus and amidated at the C. The caps are why it costs what it does for five milligrams.
20% off Limited time, every size
Was $120$96.00/ 5 mg · USD
Certificate for 5 mg: lot P21-5-0318, 99.8% by RP-HPLCView certificate
Every vial ships with its lot record. The price shown is the price our fulfilment partner charges at checkout.
What the price already covers
- The testing laboratory’s certificate for each lot on file, linked from this page with a verification number you can check on the laboratory’s own site.
- Purity by reversed-phase HPLC and identity by mass spectrometry on every certificate listed.
- Measured content in milligrams, against the label, wherever the certificate reports it.
Shipping is $12.99 an order and free over $1,000, 2-Day or Overnight, United States only.
Specification
- Purity, catalogue minimum
- ≥99% by RP-HPLC at 214 nm; the measured figure is on each certificate
- Identity
- Confirmed by mass spectrometry
- CAS number
- Not a single molecule
- PubChem CID
- Not a single molecule
- Molecular formula
- Not a single molecule
- Molecular weight
- Not a single molecule
- Amino acid count
- 6
- Sequence
- Ac-DGGLAG-NH2
- Physical form
- Lyophilized powder
- Solubility
- Soluble in water or dilute aqueous buffer.
- Storage
- -20 °C, desiccated
- Measured content
- Milligrams per vial, on the lot certificate
- Availability
- In stock
Six residues derived from ciliary neurotrophic factor, acetylated and amidated at the ends.
Certificates on file
Price
- 5 mg
Was $120$96.00$19.20/mg
No account, no code and no quote form. The ladder is the whole of the pricing, and it is the same ladder for everybody.
Questions about P-21
- What is P-21?
- P-21 (CNTF-derived hexapeptide) is a 6-residue peptide. Touchstone supplies it as lyophilized powder in 5 mg, for laboratory research use only.
- What are the identifiers for P-21?
- P-21 is catalogued under sequence Ac-DGGLAG-NH2. The full specification is on this page.
- Is P-21 laboratory tested?
- Yes. A certificate of analysis is on file for P-21, from Bioviridian Inc., covering 5 mg. Each reports purity by reversed-phase HPLC and identity by mass spectrometry; the most recent shows 99.8% for lot P21-5-0318, and each carries a verification number that can be checked on the laboratory's own site.
- How is P-21 supplied and stored?
- It is supplied as lyophilized powder. Storage: -20 °C, desiccated.
- How fast does P-21 ship?
- Orders placed before 2pm ET on a working day go out the same day, by 2-Day or Overnight service, and the tracking number is emailed when the label is made. Shipping is $12.99 an order and free over $1,000. United States addresses only.
- Can P-21 be used in people or animals?
- No. P-21 is sold for laboratory research use only. It is not for human or veterinary use, and it is not sold for it.
Others in research peptides
For laboratory research use only. Not for human or veterinary use, and not sold for it. Bodily introduction of this material is prohibited.
