IDRA-21 – Solution (45mg/mL)


✓ High quality reference material

✓ Approximately 45mg per 1mL

✓ Contains 30mL per bottle (1350mg IDRA-21)

✓ Estimated 30-90 days of research supply

Application AMPA Positive Allosteric Modulator
CAS 22503-72-6
Molar Mass 232.69 g/mol
Chemical Formula C8H9ClN2O2S
IUPAC Name 7-chloro-3-methyl-3,4-dihydro-2H-1ÃŽ»6,2,4-benzothiadiazine 1,1-dioxide
Synonyms IDRA21, IDRA 21, 7-Chloro-3-methyl-3,4-dihydro-2H-1,2,4-benzothiadiazine 1,1-dioxide, (+)-IDRA-21, (-)-IDRA-21
Storage Store at room temperature, tightly sealed, away from heat, light and moisture.
Solubility Soluble in DMSO and Acetone. Soluble in Propylene Glycol (slightly).
Organoleptic Profile Clear liquid
Physical Form Liquid, solved in Propylene Glycol (75%) and Food Grade (USP) Acetone (25%).
Specification 45mg/mL±10% in 30mL, purity 99%+. Chemical analysis available on request.
Terms This material is sold for laboratory research use only. Terms of sale apply. Not for human consumption, nor medical, veterinary, or household uses. Please familiarize yourself with our Terms & Conditions prior to ordering.

Out of stock


Idra-21 is an AMPA PAM and has shown powerful cognition enhancement in primates, that is easily transferable to humans as AMPA PAMs have many times proven to enhance cognition in healthy people. The first nootropic, Piracetam, is an AMPA PAM and cholinergic.

WARNING: This product contains food grade (USP) acetone, which is extremely flammable. Keep away from fire and handle with caution.


Scientific discussion is purely for educational purposes. This is not medical advice.

Additional information

Weight 0.0950485694 kg
Dimensions 3.175 × 3.175 × 10.795 cm