Description
Our RGPU-95 liquid is a measured liquid solution at a fixed concentration. Each batch is tested by LC-MS to 99% purity or higher. It’s $29.99. It’s sold for laboratory research only.
Prefer a different format? We also stock RGPU-95 powder and RGPU-95 capsules. See all nootropic liquids for more options in this format.
What is RGPU-95?
RGPU-95 (CAS 213178-69-9) is p-chlorophenylpiracetam, phenylpiracetam with a chlorine on the phenyl ring. It was developed at Volgograd State Medical University in Russia.
It’s an early-stage compound.
RGPU-95 liquid specifications
- Compound: RGPU-95 (1-Pyrrolidineacetamide, 4-(4-chlorophenyl)-2-oxo)
- CAS number: 213178-69-9
- Molecular formula: C12H13ClN2O2
- Molecular weight: 252.7
- Purity: 99% or higher, tested by LC-MS
- Amount: 10mg/mL
- Form: Liquid solution in a glass bottle
- Storage: Keep it in a cool, dry place away from direct sunlight
- Use: laboratory research only, not for human or veterinary use
What studies say about RGPU-95
Russian rodent studies report anxiolytic and antidepressant-like effects stronger than phenylpiracetam’s.
Data outside Russia are limited.
The chlorine substitution is meant to change how strongly it binds its targets compared with phenylpiracetam.
The original papers are on PubMed if you’d like to read them in full.
Measuring RGPU-95 liquid
The liquid form saves you the work of dissolving powder. RGPU-95 is already in solution at 10mg/mL, so every millilitre holds the same amount. A 1mL draw gives you 10mg.
Use a clean graduated pipette or dropper for each draw so nothing goes back into the bottle. Shake gently first, because some solutions settle over time. We stock transfer pipettes and dropper bottles if you need them.
Making working dilutions of RGPU-95
If your protocol calls for a lower concentration, dilute a measured volume into a clean glass bottle. For example, 1mL of the 10mg/mL solution plus 1mL of carrier gives 2mL at 5mg/mL. Use the same carrier where possible, or a solvent your protocol allows, and mix gently.
Make up only what you’ll use in the short term, and label the new bottle with the concentration and date.
RGPU-95 quality and testing
Every batch of RGPU-95 is checked with liquid chromatography-mass spectrometry (LC-MS) before it goes on sale. LC-MS separates a sample into its parts and identifies each one by mass, so it confirms what the compound is and how much of the sample it makes up. The current batch tested at 99% or higher.
Small differences between batches are normal, so write the batch number from the label into your records. If something looks wrong when your order arrives, like discoloured powder or a cloudy solution, set it aside and don’t use it.
Storage and handling
Keep it in a cool, dry place away from direct sunlight. Keep the cap tight so the solution doesn’t evaporate or pick up contaminants. Label anything you decant with the compound, amount and date, and keep it out of reach of children and pets.
Common questions about the RGPU-95 liquid
How much RGPU-95 is in 1mL?
10mg per mL. The amount per mL is the same in every bottle size.
Does the liquid need refrigerating?
Keep it in a cool, dry place away from direct sunlight.
Is the RGPU-95 liquid in stock?
Yes. Every option on this page is in stock and ready to ship.
Other nootropics you might need
If you’re browsing for a study, you might also look at Roxadustat liquid, Prolintane liquid, SkQ1 liquid and PRL-8-53 liquid. Our main Nootropics page lists everything in the category.
Buy RGPU-95 liquid from Umbrella Labs
Ready when you are. Add it to your cart and check out. The RGPU-95 liquid is in stock and ready to ship. Need other compounds for the same study? Browse nootropic liquids or our lab supplies.
Sold for laboratory research use only. It isn’t for human or veterinary use, and it isn’t a food, drug or cosmetic.









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