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Results for "

Ca2 sensitivity

" in MedChemExpress (MCE) Product Catalog:

By Targets:	Calcium Channel (2) CaSR (2) Fluorescent Dye (8) Potassium Channel (1)
By Research Areas:	Cardiovascular Disease (1)

Inhibitors & Agonists

Fluorescent Dye

Peptides

Targets Recommended: Calcium Channel CRAC Channel Na+/Ca2+ Exchanger CaSR Calmodulin CaMK

Cat. No.	Product Name	Target	Research Areas	Chemical Structure

HY-D0716

Fluo-3AM 10+ Cited Publications Fluo-3-pentaacetoxymethyl ester	Fluorescent Dye	Others
Fluo-3 AM is a fluorecent Ca ²⁺ chelator, with high affinity for calcium. Fluo-3 AM can specifically identify intracellular calcium ions, with high sensitivity, low cytotoxicity, increased AM acetylmethyl ester can enter the cell well, after being sheared by the intracellular esterase stay in the cell to bind to calcium ions, produce strong fluorescence .

HY-D1498

Mag-Fluo-4 AM 3 Publications Verification	Fluorescent Dye	Others
Mag-Fluo-4 AM is a fluorecent Ca ²⁺ chelator, with high affinity for calcium. Mag-Fluo-4 AM can specifically identify intracellular calcium ions, with high sensitivity, low cytotoxicity, increased AM acetylmethyl ester can enter the cell well, after being sheared by the intracellular esterase stay in the cell to bind to calcium ions, produce strong fluorescence .

HY-10167A

Tecalcet Hydrochloride 5+ Cited Publications R-568 hydrochloride; NPS R-568	CaSR	Others
Tecalcet Hydrochloride (R 568 Hydrochloride), an orally active calcimimetic compound, allosterically and positively modulates the calcium-sensing receptor (CaSR). Tecalcet Hydrochloride (R 568 Hydrochloride) increases the sensitivity to activation by extracellular Ca ²⁺ .

HY-D0077

2',7'-Difluorofluorescein Oregon green 488	Fluorescent Dye	Others
2',7'-Difluorofluorescein (Oregon green 488) is a fluorescein derivative and a pH-sensitive fluorescent probe (pK_a ~4.7). Upon excitation at 488 nm, 2',7'-Difluorofluorescein exhibits pH-sensitive fluorescence intensity through the formation of dianions, while its pH sensitivity decreases under excitation at 450 nm, allowing its use in ratiometric pH analysis. 2',7'-Difluorofluorescein can be used for the quantitative analysis of pH values in the range of 2-7 in submicron aerosol particles. 2',7'-Difluorofluorescein undergoes buffer-mediated and buffer-free excited-state proton transfer between different protonated forms, and its cationic form undergoes rapid excited-state deprotonation. 2',7'-Difluorofluorescein is resistant to photodegradation, maintains stable absorption and fluorescence properties within the physiological pH range, and serves as a fluorescent protein label, a component of Ca ²⁺ indicators, a fluorescent imaging agent, and an anisotropy probe .

HY-D1422

ER Tracker Yellow BDNCa-346	Fluorescent Dye	Others
ER Tracker Yellow is an endoplasmic reticulum-targeted temperature-visible fluorescent probe. ER Tracker Yellow has high temperature sensitivity (3.9%/°C) and is not affected by pH and Ca ²⁺ interference. ER Tracker Yellow can be used for real-time monitoring of local temperature changes in the ER area. ER Tracker Yellow maintains its function in fixed cells. ER Tracker Yellow is suitable for various cell lines and primary cells, such as HeLa cells, MEF cells, and other cells .

HY-P2757

Phosphorylase kinase PhK	Others	Others
Phosphorylase kinase relies on Ca ²⁺ to exert its activity. Phosphorylase kinase’s sensitivity to Ca ²⁺ is influenced by its activation state and pH. Phosphorylase kinase can be activated by adrenaline .

HY-109545

Isopropyl unoprostone Unoprostone isopropyl ester; UF-021	Potassium Channel	Others
Isopropyl unoprostone (Unoprostone isopropyl ester), an analogue of a prostaglandin metabolite, is a potent *large conductance Ca ²⁺-activated* K ⁺ (BK) channels** activator. Isopropyl unoprostone has antiglaucoma effects, lowering intraocular pressure (IOP) by increasing aqueous humour outflow. Isopropyl unoprostone can improve retinal sensitivity and the protection of central retinal sensitivity .

HY-158779

Sulfane sulfur probe 4 SSP4	Fluorescent Dye	Others
Sulfane sulfur probe 4 (SSP4) is a fluorescent probe used to detect sulfane sulfur species (E_x/E_m=494/515 nm). Sulfane sulfur probe 4 exhibits high sensitivity in detecting sulfane sulfur, even in the presence of other substances such as homocysteine, methionine, cysteine, glutathione, N-acetyl-L-cysteine, glycine, tyrosine, tryptophan, arginine, and metal ions (Fe ²⁺, Fe ³⁺, Mg ²⁺, Ca ²⁺, and Zn ²⁺) .

HY-10167

Tecalcet R-568; NPS R-568 free base	CaSR	Others
Tecalcet (R 568), an orally active calcimimetic compound, allosterically and positively modulates the calcium-sensing receptor (CaSR). Tecalcet (R 568) increases the sensitivity to activation by extracellular Ca ²⁺ .

HY-D1424

Coelenterazine hcp	Fluorescent Dye	Others
Coelenterazine hcp is a Coelenterazine analogue. Coelenterazine hcp shows high sensitivity to Ca ²⁺. Coelenterazine hcp is suited for monitoring intracellular Ca ²⁺ .

HY-P5319

MCaE12A	Calcium Channel	Others
MCaE12A is a high-affinity modulator of RyR2 and increases RyR2 sensitivity to cytoplasmic calcium concentrations promoting channel opening. MCaE12A acts as an important tool for RyR2 structure-to-function studies as well as for manipulating Ca2+ homeostasis and dynamic of cardiac cell .

HY-176041

Troponin modulator 1	Calcium Channel	Cardiovascular Disease
Troponin modulator 1 (compound 7) modulates the mutant cardiac muscle thin filament function. Troponin modulator 1 enhances Ca ²⁺ sensitivity by phosphorylation with an EC₅₀ of 67 μM .

HY-101902

Quin-2AM Quin-2 acetoxymethyl ester	Fluorescent Dye	Others
Quin-2AM is a fluorecent Ca ²⁺ chelator, with high affinity for calcium. Quin-2AM can specifically identify intracellular calcium ions, with high sensitivity, low cytotoxicity, increased AM acetylmethyl ester can enter the cell well, after being sheared by the intracellular esterase stay in the cell to bind to calcium ions, produce strong fluorescence .

HY-DY1095

Fluo-3AM (solution) Fluo-3-pentaacetoxymethyl ester (solution)	Fluorescent Dye	Others
Fluo-3AM (solution) is a fluorecent Ca ²⁺ chelator, with high affinity for calcium. Fluo-3 AM can specifically identify intracellular calcium ions, with high sensitivity, low cytotoxicity, increased AM acetylmethyl ester can enter the cell well, after being sheared by the intracellular esterase stay in the cell to bind to calcium ions, produce strong fluorescence . Solvent and concentration: DMSO: 5 mM

Cat. No.	Product Name	Type

HY-D0716

Fluo-3AM 10+ Cited Publications Fluo-3-pentaacetoxymethyl ester	Fluorescent Dye
Fluo-3 AM is a fluorecent Ca ²⁺ chelator, with high affinity for calcium. Fluo-3 AM can specifically identify intracellular calcium ions, with high sensitivity, low cytotoxicity, increased AM acetylmethyl ester can enter the cell well, after being sheared by the intracellular esterase stay in the cell to bind to calcium ions, produce strong fluorescence .

HY-D1498

Mag-Fluo-4 AM 3 Publications Verification	Fluorescent Dye
Mag-Fluo-4 AM is a fluorecent Ca ²⁺ chelator, with high affinity for calcium. Mag-Fluo-4 AM can specifically identify intracellular calcium ions, with high sensitivity, low cytotoxicity, increased AM acetylmethyl ester can enter the cell well, after being sheared by the intracellular esterase stay in the cell to bind to calcium ions, produce strong fluorescence .

HY-D1422

ER Tracker Yellow BDNCa-346	Fluorescent Dye
ER Tracker Yellow is an endoplasmic reticulum-targeted temperature-visible fluorescent probe. ER Tracker Yellow has high temperature sensitivity (3.9%/°C) and is not affected by pH and Ca ²⁺ interference. ER Tracker Yellow can be used for real-time monitoring of local temperature changes in the ER area. ER Tracker Yellow maintains its function in fixed cells. ER Tracker Yellow is suitable for various cell lines and primary cells, such as HeLa cells, MEF cells, and other cells .

ER Tracker Yellow

BDNCa-346

Fluorescent Dye

ER Tracker Yellow is an endoplasmic reticulum-targeted temperature-visible fluorescent probe. ER Tracker Yellow has high temperature sensitivity (3.9%/°C) and is not affected by pH and Ca ²⁺ interference. ER Tracker Yellow can be used for real-time monitoring of local temperature changes in the ER area. ER Tracker Yellow maintains its function in fixed cells. ER Tracker Yellow is suitable for various cell lines and primary cells, such as HeLa cells, MEF cells, and other cells .

HY-158779

Sulfane sulfur probe 4 SSP4	Fluorescent Dye
Sulfane sulfur probe 4 (SSP4) is a fluorescent probe used to detect sulfane sulfur species (E_x/E_m=494/515 nm). Sulfane sulfur probe 4 exhibits high sensitivity in detecting sulfane sulfur, even in the presence of other substances such as homocysteine, methionine, cysteine, glutathione, N-acetyl-L-cysteine, glycine, tyrosine, tryptophan, arginine, and metal ions (Fe ²⁺, Fe ³⁺, Mg ²⁺, Ca ²⁺, and Zn ²⁺) .

Sulfane sulfur probe 4

SSP4

Fluorescent Dye

Sulfane sulfur probe 4 (SSP4) is a fluorescent probe used to detect sulfane sulfur species (E_x/E_m=494/515 nm). Sulfane sulfur probe 4 exhibits high sensitivity in detecting sulfane sulfur, even in the presence of other substances such as homocysteine, methionine, cysteine, glutathione, N-acetyl-L-cysteine, glycine, tyrosine, tryptophan, arginine, and metal ions (Fe ²⁺, Fe ³⁺, Mg ²⁺, Ca ²⁺, and Zn ²⁺) .

HY-D1424

Coelenterazine hcp	Fluorescent Dye
Coelenterazine hcp is a Coelenterazine analogue. Coelenterazine hcp shows high sensitivity to Ca ²⁺. Coelenterazine hcp is suited for monitoring intracellular Ca ²⁺ .

HY-101902

Quin-2AM Quin-2 acetoxymethyl ester	Fluorescent Dye
Quin-2AM is a fluorecent Ca ²⁺ chelator, with high affinity for calcium. Quin-2AM can specifically identify intracellular calcium ions, with high sensitivity, low cytotoxicity, increased AM acetylmethyl ester can enter the cell well, after being sheared by the intracellular esterase stay in the cell to bind to calcium ions, produce strong fluorescence .

HY-DY1095

Fluo-3AM (solution) Fluo-3-pentaacetoxymethyl ester (solution)	Fluorescent Dye
Fluo-3AM (solution) is a fluorecent Ca ²⁺ chelator, with high affinity for calcium. Fluo-3 AM can specifically identify intracellular calcium ions, with high sensitivity, low cytotoxicity, increased AM acetylmethyl ester can enter the cell well, after being sheared by the intracellular esterase stay in the cell to bind to calcium ions, produce strong fluorescence . Solvent and concentration: DMSO: 5 mM

Fluo-3AM (solution)

Fluo-3-pentaacetoxymethyl ester (solution)

Fluorescent Dye

Fluo-3AM (solution) is a fluorecent Ca ²⁺ chelator, with high affinity for calcium. Fluo-3 AM can specifically identify intracellular calcium ions, with high sensitivity, low cytotoxicity, increased AM acetylmethyl ester can enter the cell well, after being sheared by the intracellular esterase stay in the cell to bind to calcium ions, produce strong fluorescence .
Solvent and concentration: DMSO: 5 mM

Cat. No.	Product Name	Target	Research Area

HY-P5319

MCaE12A	Calcium Channel	Others
MCaE12A is a high-affinity modulator of RyR2 and increases RyR2 sensitivity to cytoplasmic calcium concentrations promoting channel opening. MCaE12A acts as an important tool for RyR2 structure-to-function studies as well as for manipulating Ca2+ homeostasis and dynamic of cardiac cell .

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BODIPY 493/503 purchased from MedChemExpress. Usage Cited in: Nat Commun. 2025 Feb 1;16(1):1241. [Abstract]

MedchemExpress Validation 01

Western blot analysis of extracts from THP-1(lane 2(20μg), Jurkat (lane 3(20μg) and NIH3T3(lane 4(20μg) using FOXO1A (HY-P80132) Rabbit mAb. Proteins were transferred to a PVDF membrane and blocked with 5% non-fat milk in TBST for 2 hour at room temperature. The primary antibody (1/1000) and Loading control antibody (Beta Actin, HY-P80438, 1/10000) was used in 5% non-fat milk in TBST at 4°C overnight. Goat Anti-Mouse/Rabbit IgG-HRP Secondary Antibody (1/10000) was used for 1 hour at room temperature. Western blot analysis of extracts from THP-1(lane 2(20μg), Jurkat (lane 3(20μg) and NIH3T3(lane 4(20μg) using FOXO1A (HY-P80132) Rabbit mAb. Proteins were transferred to a PVDF membrane and blocked with 5% non-fat milk in TBST for 2 hour at room temperature. The primary antibody (1/1000) and Loading control antibody (Beta Actin, HY-P80438, 1/10000) was used in 5% non-fat milk in TBST at 4°C overnight. Goat Anti-Mouse/Rabbit IgG-HRP Secondary Antibody (1/10000) was used for 1 hour at room temperature. Western blot analysis of extracts from THP-1(lane 2(20μg), Jurkat (lane 3(20μg) and NIH3T3(lane 4(20μg) using FOXO1A (HY-P80132) Rabbit mAb. Proteins were transferred to a PVDF membrane and blocked with 5% non-fat milk in TBST for 2 hour at room temperature. The primary antibody (1/1000) and Loading control antibody (Beta Actin, HY-P80438, 1/10000) was used in 5% non-fat milk in TBST at 4°C overnight. Goat Anti-Mouse/Rabbit IgG-HRP Secondary Antibody (1/10000) was used for 1 hour at room temperature.

BODIPY 493/503 purchased from MedChemExpress. Usage Cited in: Nat Commun. 2025 Feb 1;16(1):1241. [Abstract]

MedchemExpress Validation 01

MedchemExpress Validation 03

Western blot analysis of extracts from THP-1(lane 2(20μg), Jurkat (lane 3(20μg) and NIH3T3(lane 4(20μg) using FOXO1A (HY-P80132) Rabbit mAb. Proteins were transferred

MedchemExpress Validation 04

MedchemExpress Validation

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