1. Fluorescent Dye
  2. Cell Staining Analysis
  3. Cell Function Analysiss
  4. PH Indicators

PH Indicators

PH Indicators (36):

Cat. No. Product Name CAS No. Purity Chemical Structure
  • HY-D0023
    Pyranine 6358-69-6 ≥98.0%
    Pyranine (HPTS; Solvent Green 7) is a pH-sensitive fluorescent indicator. Pyranine acts as a class of fluorescent chemosensor for the Cu+ ion(λex=450 nm, λem=510 nm).
  • HY-D1094
    Carboxy-SNARF 1 (5/6-mixture) 126208-12-6
    Carboxy-SNARF 1 (5/6-mixture) (SNARF 1) is a fluorescent probe that is sensitive to pH. Carboxy-SNARF 1 (5/6-mixture) can be used for measurement of intracellular pH.
    Carboxy-SNARF 1 (5/6-mixture)
  • HY-118155
    9-Amino-6-chloro-2-methoxyacridine 3548-09-2 99.56%
    9-Amino-6-chloro-2-methoxyacridine is a pH sensitive fluorescent probe. 9-Amino-6-chloro-2-methoxyacridine has been frequently used to measure changes in vacuolar pH when a specific substrate crosses the tonoplast through a putative H+/solute antiport system.
  • HY-D0169
    Phenol Red 143-74-8 ≥98.0%
    Phenol red (Phenolsulfonephthalein) is a pH indicator dye, relying on a distinct color change from pink to yellow in case of a positive reaction .
    Phenol Red
  • HY-B1422
    9-Aminoacridine 90-45-9 99.50%
    9-Aminoacridine, a fluorescent probe, acts as an indicator of pH for quantitative determination of transmembrane pH gradients (inside acidic). 9-Aminoacridine is an antimicrobial. 9-Aminoacridine exerts its antimicrobial activity by interacting with specific bacterial DNA and disrupting the proton motive force in K. pneumoniae. 9-Aminoacridine is a HIV-1 inhibitor and inhibits HIV LTR transcription highly dependent on the presence and location of the amino moiety. 9-Aminoacridine inhibits virus replication in HIV-1 infected cell lines. 9-Aminoacridine is used as a Rifampin (RIF; HY-B0272) adjuvant for the multidrug-resistant K. pneumoniae infections.
  • HY-D0219
    Thymol blue 76-61-9
    Thymol Blue sodium is an acid-base indicator used to indicate changes in pH. Thymol Blue sodium fades from red to yellow at pH 1.2 to 2.8 and from yellow to blue at pH 8.0 to 9.6. Storage: protect from light.
    Thymol blue
  • HY-D0252
    m-Cresol purple 2303-01-7
    m-Cresol purple is a pH indicator dye with large cross section and halochromic property in neutral pH range.
    m-Cresol purple
  • HY-D0798
    Catechol violet 115-41-3
    Catechol violet is an efficient and versatile ligand for Cu(I)-catalyzed C-S coupling reactions. Catechol violet is also a complexometric indicator dye.
    Catechol violet
  • HY-101882
    BCECF 85138-49-4
    BCECF is a pH-sensitive fluorescent dye. BCECF allows measurements in the physiological pH range 6.0–8.0. Excitation ratio: 490/440 nm; Emission intensity: 535 nm.
  • HY-W040226
    Indigo carmine 860-22-0 ≥98.0%
    Indigo carmine is an efficient reagent for the determination of ozone by chemlluminescence (CL).
    Indigo carmine
  • HY-D1457
    DND-189 152584-38-8 99.78%
    DND-189, a low-pH fluorescent probe, is sensitive to neutral and low pH range. DND-189 can be used to measure the pH of acidic organelles.
  • HY-101883
    BCECF-AM 117464-70-7 ≥99.0%
    BCECF-AM is a cell membrane permeable compound widely used as a fluorescent indicator for intracellular pH.
  • HY-118907
    Methyl Orange 547-58-0 98.36%
    Methyl Orange is an azo dye and organic contaminant.
    Methyl Orange
  • HY-D0075
    DHPDS disodium salt 61255-63-8
    DHPDS disodium salt is a pH-sensitive fluorescent dye. DHPDS disodium salt is used to measure intracellular pH (pHi) from the surface fluorescence of the isolated perfused rat liver.
    DHPDS disodium salt
  • HY-D0140
    Chromoionophore I 125829-24-5
    Chromoionophore I (ETH 5294) is a hydrophobic pH indicator. Chromoionophore I is used as a transmissive or fluorescent probe molecule in many types of hydrophobic sensor membranes. Chromoionophore I is oil-soluble.
    Chromoionophore I
  • HY-D0219A
    Thymol Blue sodium 62625-21-2
    Thymol Blue sodium is an acid-base indicator used to indicate changes in pH. Thymol Blue sodium fades from red to yellow at pH 1.2 to 2.8 and from yellow to blue at pH 8.0 to 9.6.
    Thymol Blue sodium
  • HY-D1687
    Flubi-2 is a fluorescein-biotin based pH-ratio dye (Ex=480 nm, Em= 520-560 nm) with a pK value of 6.7. Flubi-2 is a hydrolysis product of Flubida-2 (non-fluorescent, membrane permeable). Flubi-2 can be used for pH determination of organelles of the secretory pathway (such as golgi apparatus and endoplasmic reticulum) in living cells.
  • HY-D1688
    Flubida-2 is a cell permeable dye which can be hydrolyzed to Fubi-2 by endoesterases in cells (after hydrolysis, Ex=492 nm, Em=517 nm). Flubida-2 can be used to detect pH at a specific site in a cell organelle by directing the probe to where avidin fusion proteins are located.
  • HY-W411215
    1,4-Diacetoxy-2,3-dicyanobenzene 83619-73-2
    1,4-Diacetoxy-2,3-dicyanobenzene is a cell-permeable fluorescent probe. 1,4-Diacetoxy-2,3-dicyanobenzene crosses the cell membrane and is cleaved by cytosolic esterases to the fluorescent pH indicator 2,3-dicyano-hydroquinone (DCH). 1,4-Diacetoxy-2,3-dicyanobenzene can be used to monitor intracellular pH.
  • HY-118320
    Alizarine Yellow R 2243-76-7 ≥98.0%
    Alizarine Yellow R (Mordant orange 1), a salicylic acid derivative, is a azo dye. Alizarine Yellow R is mostly used as a pH indicator, as a biological stain in chemical examinations and also in dyeing industries.
    Alizarine Yellow R