U-73122 hydrate


Empirical Formula (Hill Notation):
C29H40N2O3 · xH2O
Número de CAS:
Peso molecular:
464.64 (anhydrous basis)
Número MDL:
ID de la sustancia en PubChem:


≥97.5% (HPLC)

Nivel de calidad







ethanol: ~0.7 mg/mL
DMSO: ~0.9 mg/mL
chloroform: ~10 mg/mL
DMSO: ≤2.6 mg/mL (Achieved with heating.)
ethanol: ≤5 mg/mL (Achieved with heating.)
H2O: insoluble

temp. de almacenamiento

room temp

SMILES string




InChI key


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U-73122 hydrate has been used for studying the role of phospholipase C (PLC) signaling in modulating epithelial Na+ channel (ENaC) function in gerbil Reissner′s membranes (RMs). U-73122 has also been used to study local calcium responses in human umbilical vein endothelial cells (HUVECs).


5 mg in glass bottle

Acciones bioquímicas o fisiológicas

Inhibits the hydrolysis of PPI to IP3, which leads to a decrease in cytosolic free calcium. Inhibits the coupling of G protein-phospholipase C activation, while remaining unaffected by production of cAMP.

Nota de preparación

U-73122 hydrate is soluble in ethanol (approx. 0.7 mg/ml or ≤ 5 mg/ml with heating), chloroform (approx. 10 mg/ml) and DMSO (approx. 0.9 mg/ml or ≤ 2.6 mg/ml with heating). U-73122 hydrate is insoluble in water.

Equipo de protección personal

dust mask type N95 (US), Eyeshields, Gloves


NONH for all modes of transport

WGK Alemania


Punto de inflamabilidad F

Not applicable

Punto de inflamabilidad C

Not applicable

Jae Sung Lee et al.
Proceedings of the National Academy of Sciences of the United States of America, 110(37), 15079-15084 (2013-08-28)
Recruitment of release-competent vesicles during sustained synaptic activity is one of the major factors governing short-term plasticity. During bursts of synaptic activity, vesicles are recruited to a fast-releasing pool from a reluctant vesicle pool through an actin-dependent mechanism. We now...
Wagner Shin Nishitani et al.
PloS one, 6(10), e26181-e26181 (2011-11-05)
A new device was designed to generate a localized mechanical vibration of flexible gels where human umbilical vein endothelial cells (HUVECs) were cultured to mechanically stimulate these cells at subcellular locations. A Fluorescence Resonance Energy Transfer (FRET)-based calcium biosensor (an...
D I Yule et al.
The Journal of biological chemistry, 267(20), 13830-13835 (1992-07-15)
Stimulation of rat pancreatic acinar cells with low concentrations of phosphatidylinositol (PI)-linked secretagogues induces [Ca2+]i oscillations, without measurable changes in the formation of inositol 1,4,5-trisphosphate. Therefore, we tested U73122 a new phospholipase C inhibitor to determine if PI turnover is...
J E Bleasdale et al.
The Journal of pharmacology and experimental therapeutics, 255(2), 756-768 (1990-11-01)
Aggregation of human platelets induced by a variety of agonists was inhibited by 1-[6-[[17 beta-3-methoxyestra-1,3,5(10)-trien-17-yl] amino]hexyl]-1H-pyrrole-2,5-dionel (U-73122) (IC50 values 1-5 microM), but not by the close analog 1-[6-[[17 beta-3-methoxyestra- 1,3,5(10)-trien-17-yl]amino]hexyl]-2,5-pyrrolidine-dione (U-73343) in which pyrrolidinedione was substituted for pyrroledione. Inhibition by...
Wei Fu et al.
Frontiers in endocrinology, 10, 930-930 (2020-02-23)
Plasma levels of PCSK9 are significantly higher in postmenopausal women. Pharmacologically increased estrogen levels have been shown to lower PCSK9 and LDL-C levels in animals and humans. The action of estrogen suggests that it has the ability to prevent PCSK9-mediated...
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