SKU: 99421531907

P21 (P021)

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Description

P21 (P021)P21 (P021) Cyclin dependent Kinase Inhibitor 1A (CDKN1A): Ultra Pure Research Peptide Verified Purity & Trusted Results High Purity Research Peptide 99% Verified Peptide Grade Quality for Advanced Laboratory & Research Applications Scientifically Validated Certificate of Analysis (COA) & Precision HPLC Analytical Verification Preferred by Leading Researchers and Institutions Worldwide Chemical Information: Synonyms: P21, P021, CDKN1A, Cyclin dependent

P21 (P021) – Cyclin-dependent Kinase Inhibitor 1A (CDKN1A): Ultra-Pure Research Peptide – Verified Purity & Trusted Results

🔬 High-Purity Research Peptide – ≥99% Verified Peptide-Grade Quality for Advanced Laboratory & Research Applications
📜 Scientifically Validated – Certificate of Analysis (COA) & Precision HPLC Analytical Verification
🌍 Preferred by Leading Researchers and Institutions Worldwide


Chemical Information:

  • Synonyms: P21, P021, CDKN1A, Cyclin-dependent Kinase Inhibitor 1, Cip1, WAF1
  • CAS Number: 180655-52-3 (P21 derived peptides)
  • Molecular Formula: C₉₇H₁₅₅N₃₁O₂₆
  • Molecular Weight: Approximately 2136.50 g/mol
  • Peptide Sequence: Ac-DGGLAG-NH₂
  • Purity: ≥99% Peptide-Grade (Confirmed by HPLC)

Scientific Overview:

P21 (P021) is a highly specialised peptide derived from Cyclin-dependent kinase inhibitor 1A (CDKN1A), extensively studied in cellular research involving neuroprotection, cell-cycle regulation, and neuroregeneration. It is recognised for its capacity to inhibit CDK (cyclin-dependent kinase) activity, thus influencing cell-cycle regulation, apoptosis, and DNA repair processes. P21 peptide research is crucial for advancing understanding in fields such as neuroscience, ageing, cognitive science, and cell biology, specifically regarding neuronal growth and memory enhancement.


Key Scientific References & Literature:


Why Choose Our P21 (P021)?

HPLC Analytical Verification – ≥99% purity assurance for precise experimental reproducibility
Certificate of Analysis (COA) – Included with every order; scan QR code for instant authenticity checks
Material Safety Data Sheet (MSDS) – Comprehensive handling instructions provided for laboratory safety compliance
Manufactured in a UK Laboratory – Adherence to rigorous UK quality control and GMP standards
Express Delivery – Prompt dispatch and secure packaging ensuring peptide stability and integrity
Independent Third-Party Testing – Available upon request for added scientific credibility


For Research Use Only

Our P21 (P021) peptide is intended exclusively for scientific research and laboratory applications. It is strictly not for human consumption or therapeutic purposes.

Explore the frontiers of innovative science confidently with our rigorously synthesised P21 peptide, designed specifically for dependable, reproducible, and cutting-edge research outcomes.

Shipping Notes
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
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  • To process your return/exchange, please contact us at [email protected]
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SKU: 99421531907

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Carol
New York, US
★★★★★ 5
Great ankle socks that stay put at a great price!!
Size: 6-9, Color: Assorted
These are great! I have been looking for a low profile ankle sock that is thinner but doesn’t ride down. (Picky, right?) I try to walk 5-7 miles on my days off. So it’s very important for me to not have to stop every couple of hundred yards, bend down, fix socks, then continue on my way while grumbling about NOT GREAT socks. These are not those socks. They really do stay put!!! And enough cushion to be comfortable also. So definitely a repeat!!
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Reviewed in the United States on December 2, 2018
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Nicole
West Palm Beach, US
★★★★★ 5
Great quality, no holes or fading!
Size: Medium, Color: Black/Assorted
I purchased these socks a couple years ago and love them so much that I just recently purchased them again! They fit perfectly, don't make my feet sweaty, and hit the ankle at the right spot. The material is so good that over years they have not faded and even though I wear the same few pairs every day, they have no signs of thinning or holes! These are the ONLY socks that I buy. I have the black ones as well as the multi-colored ones. I will never buy another brand or style again!
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Reviewed in the United States on January 11, 2020
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Jennifer M Bailey
Whiting, US
★★★★★ 5
Cute under armor socks
Size: Medium, Color: Black/Assorted
There's no show under armour socks.Are perfect for anybody who likes thinner socks. I loved them, I love the design the colors and the comfort and fit. Hylie recommend to those of you who like thinner socks.
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Reviewed in the United States on October 22, 2024
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Kindle Customer
Phoenix, US
★★★★★ 4
Well made and perform well, a little constricting
Size: Medium, Color: Black Assortment (6-pairs)
These socks definitely keep most of the moisture away from my feet, even in wet conditions, which is why I bought them. I am diabetic, though, and the recommendation is to wear socks that don't constrict at any point. These have a tight band around the opening that while it is not uncomfortable on, leaves a mark when I take them off. So far it's been ok, but if you have any kind of swelling in your feet or ankles these would probably not be the best. My foot measures size 8 and I wear size 9 Brooks running shoes. The socks fit me just right but based on the size of the opening and the overall length, I wouldn't think they would fit anyone more than a size larger. Overall well made and perform well as you would expect from this brand.
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Reviewed in the United States on July 20, 2018
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Halle
Chelsea, US
★★★★★ 5
long lasting!
Size: Medium, Color: Black/Assorted
literally my favorite sock i will buy forever. they just started busting through after 6 years and i wear them a lot
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Reviewed in the United States on November 13, 2025

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