Stains Dyes and Indicators

Bromophenol Blue (Certified ACS), Fisher Chemical

CAS: 115-39-9 Molecular Formula: C19H10Br4O5S Molecular Weight (g/mol): 669.96 MDL Number: MFCD00005875 InChI Key: UDSAIICHUKSCKT-UHFFFAOYSA-N Synonym: 4, 4'-(3H-2, 1-Benzoxathiol-3-ylidene) bis-[2, 4,4'-(3H-2,1-Benzoxathiol-3-ylidene) bis-[2,6-dibromophenol] S,S-Dioxide PubChem CID: 8272 ChEBI: CHEBI:59424 IUPAC Name: 2,6-dibromo-4-[3-(3,5-dibromo-4-hydroxyphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]phenol SMILES: C1=CC=C2C(=C1)C(OS2(=O)=O)(C3=CC(=C(C(=C3)Br)O)Br)C4=CC(=C(C(=C4)Br)O)Br

Methyl Red, Free Acid (Certified), Fisher Chemical

CAS: 493-52-7 Molecular Formula: C15H15N3O2 Molecular Weight (g/mol): 269.304 MDL Number: MFCD00002425 InChI Key: CEQFOVLGLXCDCX-UHFFFAOYSA-N Synonym: Acid Red 2, o-(p-Dimethylaminophenylazo)benzoic Acid PubChem CID: 10303 IUPAC Name: 2-[[4-(dimethylamino)phenyl]diazenyl]benzoic acid SMILES: CN(C)C1=CC=C(C=C1)N=NC2=CC=CC=C2C(=O)O

Hydroxynaphthol Blue (Certified), Fisher Chemical

CAS: 63451-35-4 Molecular Formula: C20H11N2Na3O11S3 Molecular Weight (g/mol): 620.46 MDL Number: MFCD00036393 InChI Key: JQECMNGWLIFQLL-UHFFFAOYSA-K Synonym: 1-(2-Hydroxy-4-sulfo-1-naphthylazo)-2-naphthol-3,6-disulfonic acid trisodium salt PubChem CID: 44134769 IUPAC Name: trisodium;3-hydroxy-4-[2-(2-oxo-4-sulfonatonaphthalen-1-ylidene)hydrazinyl]naphthalene-2,7-disulfonate SMILES: C1=CC=C2C(=C1)C(=CC(=O)C2=NNC3=C4C=CC(=CC4=CC(=C3O)S(=O)(=O)[O-])S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+].[Na+]

Crystal Violet (Certified Biological Stain), Fisher Chemical™

CAS: 548-62-9 Molecular Formula: C25H30ClN3 Molecular Weight (g/mol): 407.986 MDL Number: MFCD00011750 InChI Key: ZXJXZNDDNMQXFV-UHFFFAOYSA-M Synonym: Basic Violet 3, Gentian Violet PubChem CID: 11057 ChEBI: CHEBI:41688 IUPAC Name: [4-[bis[4-(dimethylamino)phenyl]methylidene]cyclohexa-2,5-dien-1-ylidene]-dimethylazanium;chloride SMILES: CN(C)C1=CC=C(C=C1)C(=C2C=CC(=[N+](C)C)C=C2)C3=CC=C(C=C3)N(C)C.[Cl-]

Thermo Scientific™ Richard-Allan Scientific™ Signature Series Eosin-Y 7111

Create an ideal visual contrast to Hematoxylin with the fast-acting Thermo Scientific™ Richard-Allan Scientific™ Signature Series Eosin-Y counterstain.

Blue Test Dye, 10X Concentrate, BioTek

For use with ELx405 and ELx50 Microplate Washers

Invitrogen™ CellEvent™ Caspase-3/7 Green ReadyProbes™ Reagent DFS Item

Fluorogenic, no-wash indicator for live- and fixed-cell applications

Invitrogen™ CellTracker™ Green CMFDA Dye DFS Item

Fluorescent dye well suited for monitoring cell movement or location

Methylene Blue, Fisher BioReagents™

CAS: 7220-79-3 Molecular Formula: C16H24ClN3O3S Molecular Weight (g/mol): 373.896 InChI Key: XQAXGZLFSSPBMK-UHFFFAOYSA-M PubChem CID: 104827 IUPAC Name: [7-(dimethylamino)phenothiazin-3-ylidene]-dimethylazanium;chloride;trihydrate SMILES: CN(C)C1=CC2=C(C=C1)N=C3C=CC(=[N+](C)C)C=C3S2.O.O.O.[Cl-]

Congo Red (Certified Biological Stain), Fisher Chemical

CAS: 573-58-0 Molecular Formula: C32H22N6Na2O6S2 Molecular Weight (g/mol): 696.664 InChI Key: IQFVPQOLBLOTPF-UHFFFAOYSA-L Synonym: Diphenyl Bisazonaphthionic Acid, Direct Red 28 PubChem CID: 11313 ChEBI: CHEBI:34653 IUPAC Name: disodium;4-amino-3-[[4-[4-[(1-amino-4-sulfonatonaphthalen-2-yl)diazenyl]phenyl]phenyl]diazenyl]naphthalene-1-sulfonate SMILES: C1=CC=C2C(=C1)C(=CC(=C2N)N=NC3=CC=C(C=C3)C4=CC=C(C=C4)N=NC5=C(C6=CC=CC=C6C(=C5)S(=O)(=O)[O-])N)S(=O)(=O)[O-].[Na+].[Na+]

Thermo Scientific™ Shandon™ Kwik-Diff™ Stains

Enjoy a quicker alternative to traditional Wright's and Giemsa Staining procedures with Thermo Scientific™ Shandon™ Kwik-Diff™ Stains.

Fast blue B salt, MP Biomedicals™

CAS: 14263-94-6 Molecular Formula: C14H12Cl4N4O2Zn Molecular Weight (g/mol): 475.46 InChI Key: GPPKNJIWDULNQH-UHFFFAOYSA-J Synonym: AZOIC DIAZO No 48, C.I. 37235 PubChem CID: 66685 ChEBI: CHEBI:87629 IUPAC Name: zinc(2+) 3,3'-dimethoxy-[1,1'-biphenyl]-4,4'-bis(diazonium) tetrachloride SMILES: [Cl-].[Cl-].[Cl-].[Cl-].[Zn++].COC1=CC(=CC=C1[N+]#N)C1=CC=C([N+]#N)C(OC)=C1

Thermo Scientific™ Richard-Allan Scientific™ Signature Series Hematoxylin 7211

Yield results that exceed those of Gill or Harris Hematoxylins with this uniquely formulated product.

Bromophenol Blue (Free Acid), Fisher BioReagents

CAS: 115-39-9 Molecular Formula: C19H10Br4O5S Molecular Weight (g/mol): 669.96 InChI Key: UDSAIICHUKSCKT-UHFFFAOYSA-N PubChem CID: 8272 ChEBI: CHEBI:59424 IUPAC Name: 2,6-dibromo-4-[3-(3,5-dibromo-4-hydroxyphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]phenol SMILES: C1=CC=C2C(=C1)C(OS2(=O)=O)(C3=CC(=C(C(=C3)Br)O)Br)C4=CC(=C(C(=C4)Br)O)Br

MilliporeSigma™ PAS Staining Kit

For the detection of aldehyde and mucosubstances. PAS (periodic acid-Schiff) staining is one of the most widely used chemical methods in histology and is specific in staining non-substituted polysaccharides, neutral mucopolysaccharides, muco- and glycoproteins, as well as glycol- and phospholipids.

Thermo Scientific™ Richard-Allan Scientific™ Modified Harris Hematoxylin

Use Thermo Scientific™ Richard-Allan Scientific™ Modified Harris Hematoxylin, a regressive nuclear stain, for both histology and cytology.

Methyl Red Indicator, 0.1% (w/v) Alcoholic Solution, Ricca Chemical

CAS: 845-10-3 Molecular Formula: C15H14N3NaO2 Molecular Weight (g/mol): 291.286 InChI Key: GNTPCYMJCJNRQB-UHFFFAOYSA-M PubChem CID: 4465632 IUPAC Name: sodium;2-[[4-(dimethylamino)phenyl]diazenyl]benzoate SMILES: CN(C)C1=CC=C(C=C1)N=NC2=CC=CC=C2C(=O)[O-].[Na+]

Toluidine Blue O (Certified Biological Stain), Fisher Chemical

CAS: 92-31-9 Molecular Formula: C15H16ClN3S Molecular Weight (g/mol): 305.824 MDL Number: MFCD00011934 InChI Key: GEDVVYWLPUPJJZ-UHFFFAOYSA-N Synonym: Basic Blue 17, Tolonium Chloride PubChem CID: 7083 IUPAC Name: (7-amino-8-methylphenothiazin-3-ylidene)-dimethylazanium;chloride SMILES: CC1=CC2=C(C=C1N)SC3=CC(=[N+](C)C)C=CC3=N2.[Cl-]

Aniline Blue (Water Soluble/Certified Biological Stain), Fisher Chemical

CAS: 28631-66-5 Molecular Formula: C32H26N3Na2O9S3+ Molecular Weight (g/mol): 738.732 MDL Number: MFCD00036130 InChI Key: XOSXWYQMOYSSKB-UHFFFAOYSA-M Synonym: Acid Blue, Acid Blue 93, Methyl Blue, Soluble Blue PubChem CID: 131675892 IUPAC Name: disodium;4-[[4-[(4-amino-3-methyl-5-sulfophenyl)-[4-(4-sulfoanilino)phenyl]methylidene]cyclohexa-2,5-dien-1-ylidene]amino]benzenesulfonate SMILES: CC1=C(C(=CC(=C1)C(=C2C=CC(=NC3=CC=C(C=C3)S(=O)(=O)[O-])C=C2)C4=CC=C(C=C4)NC5=CC=C(C=C5)S(=O)(=O)O)S(=O)(=O)O)N.[Na+].[Na+]

Eosin Y (1% Solution in Water), Fisher Chemical

CAS: 17372-87-1 Molecular Formula: C20H12Br4Na2O8 Molecular Weight (g/mol): 745.904 MDL Number: MFCD00005040 InChI Key: MASXMTNVNASWNH-UHFFFAOYSA-L PubChem CID: 91886399 IUPAC Name: disodium;2-(2,4,5,7-tetrabromo-3-oxido-6-oxoxanthen-9-yl)benzoate;trihydrate SMILES: C1=CC=C(C(=C1)C2=C3C=C(C(=O)C(=C3OC4=C(C(=C(C=C24)Br)[O-])Br)Br)Br)C(=O)[O-].O.O.O.[Na+].[Na+]

Thermo Scientific™ Richard-Allan Scientific™ Signature Series Bluing Reagent

Ensure crisp nuclear detail with the ready-to-use Thermo Scientific™ Richard-Allan Scientific™ Signature Series Bluing Reagent.

Thermo Scientific™ Shandon™ Tissue-Marking Dyes

Permanently mark the margins of excised surgical specimens for exact orientation with Thermo Scientific™ Shandon™ Tissue-Marking Dyes.

Bromothymol Blue (Certified ACS), Fisher Chemical

CAS: 76-59-5 Molecular Formula: C27H28Br2O5S Molecular Weight (g/mol): 624.384 MDL Number: MFCD00077263 InChI Key: NUHCTOLBWMJMLX-UHFFFAOYSA-N Synonym: 3«, 3“-Dibromothymolsulfonephthalein PubChem CID: 6450 ChEBI: CHEBI:86155 IUPAC Name: 2-bromo-4-[3-(3-bromo-4-hydroxy-2-methyl-5-propan-2-ylphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]-3-methyl-6-propan-2-ylphenol SMILES: CC1=C(C(=C(C=C1C2(C3=CC=CC=C3S(=O)(=O)O2)C4=CC(=C(C(=C4C)Br)O)C(C)C)C(C)C)O)Br

Phenol Red, Free Acid (Certified ACS), Fisher Chemical

CAS: 143-74-8 Molecular Formula: C19H14O5S Molecular Weight (g/mol): 354.376 MDL Number: MFCD00003552 InChI Key: BELBBZDIHDAJOR-UHFFFAOYSA-N Synonym: 4, 4'-(3H-2, 1-Benzoxathiol-3-yildene)bisphenol S, 4,4'-(3H-2,1-Benzoxathiol-3-yildene)bisphenol S,S-Dioxide PubChem CID: 4766 ChEBI: CHEBI:31991 IUPAC Name: 4-[3-(4-hydroxyphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]phenol SMILES: C1=CC=C2C(=C1)C(OS2(=O)=O)(C3=CC=C(C=C3)O)C4=CC=C(C=C4)O

Invitrogen™ eBioscience™ Fixable Viability Dye eFluor™ 660

Can be used to irreversibly label dead cells prior to cryopreservation, fixation and/or permeabilization procedures. Unlike 7-AAD and PI, cells labeled with Fixable Viability Dyes can be washed, fixed, permabilized and stained for intracellular antigens without loss of staining intensity.

Fisher HealthCare™ PROTOCOL™ Histological/Cytological Stains

Manufactured with strict quality control to ensure lot-to-lot uniformity

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