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Flmodafinil, also written FL-Modafinil and originally coded CRL-40,940, is a fluorinated analogue of modafinil in which both phenyl rings carry a fluorine. It is a genuinely different molecule from modafinil and not a brand of it, which is worth stating plainly because the two names are routinely sold as though interchangeable. Fladrafinil (CRL-40,941) is its prodrug, standing to flmodafinil roughly as adrafinil stands to modafinil. Vendors commonly claim greater potency and better solubility than modafinil; those claims come from early rodent work and from sellers rather than from human trials.
- A genuinely distinct molecule, not rebranded modafinil
- Double fluorination on the modafinil scaffold
- Dissolves better than modafinil, by reports
- Longer duration in early rodent work
- Eugeroic class, built around wakefulness
- Fladrafinil stands as its prodrug
Dosingtypical ranges, not medical advice
interested in protocols and clinical dosages? make an account to see them! ^_^
Safetyrisks and cautions, not medical advice
This has never been through human trials and is approved nowhere, so it is sold as a research chemical rather than a medicine. That matters more here than for most eugeroics: modafinil itself carries a rare but serious rash risk, and there is no human safety record for the fluorinated analogue that would show whether that risk carries across. Nothing is known about its interactions, and no adverse-effect profile has been compiled. Anyone treating it as a stronger modafinil is assuming a safety equivalence that has not been tested.
Subjective profileweighing the evidence above
Bought mostly on the assumption that a fluorine makes it a better modafinil, and that assumption has no human evidence behind it. The pharmacology is plausible and the rodent work is real, but plausible is where this stops. Modafinil itself is the better-understood option by a wide margin, and choosing this instead trades a known profile for an untested one to chase a potency claim made by the people selling it.
Where to buy
Suppliers
Vendors carrying Flmodafinil, with live product details and codes. Links are affiliate links that support the wiki at no cost to you.
Kimera Chems
Flmodafinil (CRL-40,940)