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colorimetric probe

" in MedChemExpress (MCE) Product Catalog:

By Targets:	Fluorescent Dye (12) MOFs (1) Photosensitizer (1)
By Research Areas:	Metabolic Disease (1)

Inhibitors & Agonists

Fluorescent Dye

Cat. No.	Product Name	Target	Research Areas	Chemical Structure

HY-151644

Fluorescein hydrazide 1 Publications Verification	Fluorescent Dye	Others
Fluorescein hydrazide is a sensitive fluorescent probe for Hg ²⁺ and Co ²⁺ that induces obvious color changes and fluorescence changes. Fluorescein hydrazide can be prepared by the reaction of fluorescein and hydrazine. Fluorescein hydrazide exhibits an excitation wavelength of 508 nM and an emission wavelength of 531 nM [2][3].

HY-D2329

Fluorescein-PEG4-NHS ester	Fluorescent Dye	Others
Fluorescein-PEG4-NHS ester is a colorimetric probe formed by the reaction of adipic dihydrazide and fluorescein isothiocyanate .

HY-D0943

Nuclear Fast Red Kernechtrot	Fluorescent Dye Photosensitizer	Others
Nuclear Fast Red, an anthraquinone dye, is commonly used in conjunction with an excess of aluminum ions as a red nuclear counterstain. Nuclear fast red has been used as a histochemical and colorimetric reagent for calcium . Nuclear fast red as highly sensitive "off/on" fluorescent probe for detecting guanine .

HY-D0108

Fluorescein dilaurate	Fluorescent Dye
Fluorescein dilaurate is a colorimetric probe formed by the reaction of adipic acid dihydrazide and fluorescein isothiocyanate.

HY-W004617

2,4,6-Tris(4-carboxyphenyl)-1,3,5-triazine 4,4',4''-(1,3,5-Triazine-2,4,6-triyl)tribenzoic acid	MOFs	Others
2,4,6-Tris(4-carboxyphenyl)-1,3,5-triazine (4,4',4''-(1,3,5-Triazine-2,4,6-triyl) tribenzoic acid) is a metal-organic framework. 2,4,6-Tris(4-carboxyphenyl)-1,3,5-triazine is a C₃-symmetric organic ligand with temperature-sensitive ratioluminescent properties. Complexes derived from 2,4,6-Tris(4-carboxyphenyl)-1,3,5-triazine exhibit strong emissivity and can be used for highly sensitive ratiometric fluorescent temperature sensing .

HY-W015012

NBD-Hydrazine	Fluorescent Dye	Others
NBD-Hydrazine is an aldehyde- and ketone-reactive fluorescent probe. NBD-Hydrazine has excitation/emission maxima of 468/535 nm in the presence of aldehydes or ketones. NBD-Hydrazine can be used as a starting material to synthesize malondialdehyde-reactive fluorescent probes. NBD-Hydrazine is a synthetic intermediate in the synthesis of cupric and chronic ion colorimetric sensors .

HY-D0107

Fluorescein dicaproate	Fluorescent Dye
Fluorescein dicaproate is a colorimetric probe formed by the reaction of adipic acid dihydrazide and fluorescein isothiocyanate.

HY-D0101

Fluorescein-diphosphat diammonium	Fluorescent Dye
Fluorescein-diphosphat (diammonium) is a colorimetric probe formed by the reaction of adipic acid dihydrazide and fluorescein isothiocyanate.

HY-D0105

Fluorescein diacetate 6-isothiocyanate	Fluorescent Dye
Fluorescein diacetate 6-isothiocyanate is a colorimetric probe formed by the reaction of adipic acid dihydrazide and fluorescein isothiocyanate.

HY-D0103

Fluorescein diacetate 5-maleimide	Fluorescent Dye
Fluorescein diacetate 5-maleimide is a colorimetric probe formed by the reaction of adipic acid dihydrazide and fluorescein isothiocyanate.

HY-D0100

Fluorescein-diacetate-5-isothiocyanat	Fluorescent Dye
Fluorescein-diacetate-5-isothiocyanat is a colorimetric probe formed by the reaction of adipic acid dihydrazide and fluorescein isothiocyanate.

HY-D2969

CYDA	Fluorescent Dye	Metabolic Disease
CYDA is a colorimetric probe based on cyanine dyes, which enables highly sensitive and selective detection of Cu²⁺. CYDA can be used for urine copper detection in Wilson's disease .

HY-D3152

NRh-Cu	Fluorescent Dye	Others
NRh-Cu is a highly sensitive near-infrared fluorescence turn-on indicator and Cu ²⁺-selective probe (λ_ex=680 nm, λ_em=740 nm). When NRh-Cu interacts with Cu ²⁺, it undergoes a structural transition from a non-fluorescent spirocyclic state to a fluorescent ring-opened state, which drives the enhancement of fluorescence emission. NRh-Cu can be used for Cu ²⁺ imaging in live cells and in vivo .

Cat. No.	Product Name	Type

HY-151644

Fluorescein hydrazide 1 Publications Verification	Fluorescent Dye
Fluorescein hydrazide is a sensitive fluorescent probe for Hg ²⁺ and Co ²⁺ that induces obvious color changes and fluorescence changes. Fluorescein hydrazide can be prepared by the reaction of fluorescein and hydrazine. Fluorescein hydrazide exhibits an excitation wavelength of 508 nM and an emission wavelength of 531 nM [2][3].

HY-D2329

Fluorescein-PEG4-NHS ester	Fluorescent Dye
Fluorescein-PEG4-NHS ester is a colorimetric probe formed by the reaction of adipic dihydrazide and fluorescein isothiocyanate .

HY-D0943

Nuclear Fast Red Kernechtrot	Fluorescent Dye
Nuclear Fast Red, an anthraquinone dye, is commonly used in conjunction with an excess of aluminum ions as a red nuclear counterstain. Nuclear fast red has been used as a histochemical and colorimetric reagent for calcium . Nuclear fast red as highly sensitive "off/on" fluorescent probe for detecting guanine .

HY-D0108

Fluorescein dilaurate	Fluorescent Dye
Fluorescein dilaurate is a colorimetric probe formed by the reaction of adipic acid dihydrazide and fluorescein isothiocyanate.

HY-D0107

Fluorescein dicaproate	Fluorescent Dye
Fluorescein dicaproate is a colorimetric probe formed by the reaction of adipic acid dihydrazide and fluorescein isothiocyanate.

HY-D0101

Fluorescein-diphosphat diammonium	Fluorescent Dye
Fluorescein-diphosphat (diammonium) is a colorimetric probe formed by the reaction of adipic acid dihydrazide and fluorescein isothiocyanate.

HY-D0105

Fluorescein diacetate 6-isothiocyanate	Fluorescent Dye
Fluorescein diacetate 6-isothiocyanate is a colorimetric probe formed by the reaction of adipic acid dihydrazide and fluorescein isothiocyanate.

HY-D0103

Fluorescein diacetate 5-maleimide	Fluorescent Dye
Fluorescein diacetate 5-maleimide is a colorimetric probe formed by the reaction of adipic acid dihydrazide and fluorescein isothiocyanate.

HY-D0100

Fluorescein-diacetate-5-isothiocyanat	Fluorescent Dye
Fluorescein-diacetate-5-isothiocyanat is a colorimetric probe formed by the reaction of adipic acid dihydrazide and fluorescein isothiocyanate.

HY-D2969

CYDA	Fluorescent Dye
CYDA is a colorimetric probe based on cyanine dyes, which enables highly sensitive and selective detection of Cu²⁺. CYDA can be used for urine copper detection in Wilson's disease .

HY-D3152

NRh-Cu	Fluorescent Dye
NRh-Cu is a highly sensitive near-infrared fluorescence turn-on indicator and Cu ²⁺-selective probe (λ_ex=680 nm, λ_em=740 nm). When NRh-Cu interacts with Cu ²⁺, it undergoes a structural transition from a non-fluorescent spirocyclic state to a fluorescent ring-opened state, which drives the enhancement of fluorescence emission. NRh-Cu can be used for Cu ²⁺ imaging in live cells and in vivo .

NRh-Cu

Fluorescent Dye

NRh-Cu is a highly sensitive near-infrared fluorescence turn-on indicator and Cu ²⁺-selective probe (λ_ex=680 nm, λ_em=740 nm). When NRh-Cu interacts with Cu ²⁺, it undergoes a structural transition from a non-fluorescent spirocyclic state to a fluorescent ring-opened state, which drives the enhancement of fluorescence emission. NRh-Cu can be used for Cu ²⁺ imaging in live cells and in vivo .

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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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