CAS No. 35189-28-7

Batch: Purity:99.93
Norgestimate Chemical Structure
Chemical Structure
Check the Norgestimate product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.

Chemical Information

CAS Number 35189-28-7
Molecular Formula

C23H31NO3

Molecular Weight (MW) 369.5
SMILES CCC12CCC3C(CCC4=C/C(CCC34)=N/O)C1CCC2(OC(C)=O)C#C

Ordering Information

Biological Activity

Norgestimate is an orally active progestin and synthetic progesterone analog that selectively targets the progesterone receptor with minimal binding affinity for androgen receptors. Activation of progesterone receptor signaling directly stimulates endometrial maturation while inhibiting luteinizing hormone release from pituitary cells. This pathway activation results in downstream suppression of ovulation and strong progestational activity without significant androgenic effects. [1][2]

How to Prepare Stock Solution?

Concentration Volume Mass
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Solubility

Batch:
All in vitro solubility values are batch-tested experimental data (non-literature values).
Solvent Solubility & Note
DMSO 74 mg/mL (200.27 mM)
(Moisture-contaminated DMSO may reduce solubility. Use fresh, anhydrous DMSO. The recommended stock concentration is 10 mM in DMSO.)
Ethanol 4 mg/mL
Water Insoluble
FAQ
Q: Why does a DMSO stock precipitate in media/saline?
A: It is caused by unheated aqueous media (supersaturation), local solvent shock, or incorrect mixing sequence.
How to fix it?
  • Preheat media/saline to 37°C.
  • Mix rapidly (pipette/vortex) upon addition.
  • For complex mixes, always add the aqueous phase last.
  • Re-dissolve minor precipitates with a 37°C water bath and sonication (≤30 min).
Note: Technical data last updated: Sep 1, 2026.