Description
Our OTR-AC gel is OTR-AC supplied as single-use gel packs, in Pack of 5, Pack of 10 or Pack of 30. Each batch is tested by LC-MS to 99% purity or higher. Prices start at $16.00. It’s sold for laboratory research only.
The same compound comes in other formats too: OTR-AC liquid, OTR-AC powder and OTR-AC capsules. You’ll find similar products in our SARM gels range.
What is OTR-AC?
OTR-AC is the acetate ester of ostarine, sometimes listed as ostarine-O-acetate. The acetate group is added to the hydroxyl on the ostarine backbone, which changes how the molecule is handled in metabolism while the core androgen receptor binding structure stays the same.
It’s a newer research compound than ostarine and has far less published data, so most interest comes from comparing it directly with the parent SARM.
OTR-AC gel specifications
- Compound: OTR-AC (Ostarinyl Acetate (MK2886 acetate), Ostarine acetate (MK2886 acetate), Ostarine acetate ester (MK2886 acetate ester))
- CAS number: 1025658-44-9
- Molecular formula: C21H16F3N3O4
- Molecular weight: 431.37
- Purity: 99% or higher, tested by LC-MS
- Size: Pack of 5, Pack of 10 and Pack of 30
- Form: Single-use oral gel packs
- Storage: Keep it in a cool, dry place away from direct sunlight
- Use: laboratory research only, not for human or veterinary use
Research on OTR-AC
There are no published clinical trials of OTR-AC itself. Researchers who work with it usually lean on the ostarine literature, including the 2013 enobosarm phase 2 trial in The Lancet Oncology, and treat OTR-AC as a modified form to compare against.
That makes it a good fit for side-by-side work: same receptor target, slightly different chemistry.
Search PubMed for the full studies. We stick to what’s been published.
How OTR-AC gel packs work
Each gel pack is a sealed, single-use packet holding 20mg of OTR-AC. The gel is made for oral administration in research models. It isn’t a topical product, so it’s not meant to go on skin.
Because every packet holds the same amount, gel packs are an easy way to keep amounts identical across a study without weighing or measuring liquids. Packs come in 5, 10 or 30, so you can match the order to the length of your study.
Planning a study with OTR-AC gel packs
Count one packet per administration, then add a few spare. Keep all the packets for one study from the same order so they share a batch.
OTR-AC quality and testing
We test each batch of OTR-AC by LC-MS, which pairs liquid chromatography with mass spectrometry. The chromatography splits the sample into its components and the mass spectrometer identifies them, which tells you both identity and purity. This batch came in 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.
How to store OTR-AC
Keep it in a cool, dry place away from direct sunlight. Leave packets sealed until you need them, and use each one once. Label anything you decant with the compound, amount and date, and keep it out of reach of children and pets.
Common questions about the OTR-AC gel
Is the gel applied to skin?
No. It’s made for oral administration in research models, not topical use.
Which pack size should I pick?
Count the number of single-use packets your study needs, then pick 5, 10 or 30.
Is the OTR-AC gel in stock?
Yes. Every option on this page is in stock and ready to ship.
Related SARMs
Similar products in this format include RAD-140 (testolone) gel, Ostarine (MK-2866) gel, RAD-150 (TLB-150) gel and MK-777 gel. Our main SARMs page lists everything in the category.
Order the OTR-AC gel from Umbrella Labs
It’s simple. Pick your option above, add it to your cart and check out. The OTR-AC gel is in stock and ready to ship. While you’re here, our lab supplies cover the pipettes, scales and solutions most studies need.
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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