CAS No. 314045-39-1

Batch: Purity:97
BPTES Chemical Structure
Chemical Structure
Check the BPTES product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.

Chemical Information

IUPAC Name 2-phenyl-N-[5-[2-[2-[5-[(2-phenylacetyl)amino]-1,3,4-thiadiazol-2-yl]ethylsulfanyl]ethyl]-1,3,4-thiadiazol-2-yl]acetamide
CAS Number 314045-39-1
Molecular Formula

C24H24N6O2S3

Molecular Weight (MW) 524.68
SMILES C1=CC=C(C=C1)CC(=O)NC2=NN=C(S2)CCSCCC3=NN=C(S3)NC(=O)CC4=CC=CC=C4
InChIKey MDJIPXYRSZHCFS-UHFFFAOYSA-N

Ordering Information

Biological Activity

BPTES is a potent and selective inhibitor of kidney-type glutaminase (GLS1/KGA). By selectively inhibiting GLS1 activity, BPTES blocks the conversion of glutamine to glutamate, disrupting tricarboxylic acid (TCA) cycle flux and downstream mitochondrial oxidative phosphorylation. This inhibition depletes intracellular ATP levels, suppresses cellular bioenergetics, and impairs glutamine-dependent cancer cell proliferation and survival. [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 50 mg/mL (95.29 mM)
(Moisture-contaminated DMSO may reduce solubility. Use fresh, anhydrous DMSO. The recommended stock concentration is 10 mM in DMSO.)
Water Insoluble
Ethanol 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).

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Note: Technical data last updated: Sep 1, 2026.