CAS No. 2194903-42-7

Batch: Purity:99.11
H3B-120 Chemical Structure
Chemical Structure
Check the H3B-120 product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.

Chemical Information

IUPAC Name 1-N-benzyl-1-N-methyl-4-N-(4-methyl-1,3-thiazol-2-yl)piperidine-1,4-dicarboxamide
CAS Number 2194903-42-7
Molecular Formula

C19H24N4O2S

Molecular Weight (MW) 372.48
SMILES CN(CC1=CC=CC=C1)C(=O)N2CCC(CC2)C(=O)NC3=NC(=CS3)C
InChIKey ZEVOZXRSCSSPAO-UHFFFAOYSA-N

Ordering Information

Biological Activity

H3B-120 is a selective, allosteric inhibitor of carbamoyl phosphate synthetase 1 (CPS1). By selectively inhibiting CPS1, the initial and rate-limiting enzyme in the urea cycle, it disrupts mitochondrial nitrogen metabolism and downstream pyrimidine nucleotide biosynthesis. Attenuation of CPS1 activity depletes intracellular pyrimidine pools and impairs nucleic acid synthesis, ultimately suppressing cell proliferation and exhibiting anti-tumor activity in CPS1-dependent cancer cells. [1]

How to Prepare Stock Solution?

Concentration Volume Mass
1 mg 5 mg 10 mg
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Solubility

Batch:
All in vitro solubility values are batch-tested experimental data (non-literature values).
Solvent Solubility & Note
DMSO 75 mg/mL (201.35 mM)
(Moisture-contaminated DMSO may reduce solubility. Use fresh, anhydrous DMSO. The recommended stock concentration is 10 mM in DMSO.)
Ethanol 19 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).

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