Stains Dyes and Indicators

Hydroxynaphthol Blue (Certified), Fisher Chemical Available on GSA/VA Contract for Federal Government customers only.

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-]

Fisher HealthCare™ Pinnacle Portfolio Hematoxylin Stain+ Available on GSA/VA Contract for Federal Government customers only.

Uniquely formulated product yields results which exceed that of Gill or Harris hematoxylins

Phenolphthalein Solution, Alcoholic, 1.0%, Fisher Chemical

CAS: 77-09-8 Molecular Formula: C20H14O4 Molecular Weight (g/mol): 318.328 MDL Number: MFCD00005913 InChI Key: KJFMBFZCATUALV-UHFFFAOYSA-N PubChem CID: 4764 ChEBI: CHEBI:34914 IUPAC Name: 3,3-bis(4-hydroxyphenyl)-2-benzofuran-1-one SMILES: C1=CC=C2C(=C1)C(=O)OC2(C3=CC=C(C=C3)O)C4=CC=C(C=C4)O

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

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

Eriochrome™ Black T (Certified), Fisher Chemical

CAS: 1787-61-7 Molecular Formula: C20H13N3NaO7S Molecular Weight (g/mol): 462.388 MDL Number: MFCD00003935 InChI Key: KJEKTGOJOIUSCG-GXTSIBQPSA-N Synonym: 1-(1-Hydroxy-2-naphthylazo)-6-nitro-2-naphthol-4-sulfonic Acid Sodium Salt, Mordant Black 11, Superchrome Black TS PubChem CID: 87355429 IUPAC Name: (4Z)-4-[(1-hydroxynaphthalen-2-yl)hydrazinylidene]-7-nitro-3-oxonaphthalene-1-sulfonic acid;sodium SMILES: C1=CC=C2C(=C1)C=CC(=C2O)NN=C3C4=C(C=C(C=C4)[N+](=O)[O-])C(=CC3=O)S(=O)(=O)O.[Na]

Indigo Carmine (Certified Biological Stain), Fisher Chemical

CAS: 860-22-0 Molecular Formula: C16H8N2Na2O8S2 Molecular Weight (g/mol): 466.346 MDL Number: MFCD00005723 InChI Key: KHLVKKOJDHCJMG-QDBORUFSSA-L Synonym: Acid Blue 74, FD&C Blue No. 2 PubChem CID: 5284351 IUPAC Name: disodium;(2E)-3-oxo-2-(3-oxo-5-sulfonato-1H-indol-2-ylidene)-1H-indole-5-sulfonate SMILES: C1=CC2=C(C=C1S(=O)(=O)[O-])C(=O)C(=C3C(=O)C4=C(N3)C=CC(=C4)S(=O)(=O)[O-])N2.[Na+].[Na+]

Phenolphthalein (Certified ACS), Fisher Chemical

CAS: 77-09-8 Molecular Formula: C20H14O4 Molecular Weight (g/mol): 318.328 MDL Number: MFCD00005913 InChI Key: KJFMBFZCATUALV-UHFFFAOYSA-N Synonym: 3, 3-Bis(p-hydroxyphenyl) Phthallide, 3, 3-Bis(p-hydroxyphenyl)-1(3H)-isobenzofuranone PubChem CID: 4764 ChEBI: CHEBI:34914 IUPAC Name: 3,3-bis(4-hydroxyphenyl)-2-benzofuran-1-one SMILES: C1=CC=C2C(=C1)C(=O)OC2(C3=CC=C(C=C3)O)C4=CC=C(C=C4)O

Thermo Scientific™ Richard-Allan Scientific™ Signature Series Hematoxylin 7211 Available on GSA/VA Contract for Federal Government customers only.

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

Thermo Scientific™ DAB Quanto Chromogen and Substrate

Obtain a strong brown staining that can be used for up to 2 weeks at 2° to 8°C or up to 1 week at room temperature with Thermo Scientific™ DAB Quanto Chromogen and Substrate.

Invitrogen™ Calcein, AM Available on GSA/VA Contract for Federal Government customers only. Non-distribution product as customer accommodation.

Can be used to determine cell viability in most eukaryotic cells

Thermo Scientific™ Lab Vision™ Antibody Diluent OP Quanto

Achieve crisp staining while minimizing background staining with Thermo Scientific™ Lab Vision™ Antibody Diluent OP Quanto.

Thermo Scientific™ Richard-Allan Scientific™ Signature Series Eosin-Y 7111 Available on GSA/VA Contract for Federal Government customers only.

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

Phthaldialdehyde, 98%, Alfa Aesar™

CAS: 643-79-8 Molecular Formula: C8H6O2 Molecular Weight (g/mol): 134.134 MDL Number: MFCD00003335 InChI Key: ZWLUXSQADUDCSB-UHFFFAOYSA-N Synonym: 1,2-benzenedicarboxaldehyde, benzene-1,2-dicarboxaldehyde, o-phthalaldehyde, o-phthaldehyde, o-phthaldialdehyde, ortho-phthalaldehyde, phthaldialdehyde, phthalic aldehyde, phthalic dialdehyde, phthalyldicarboxaldehyde PubChem CID: 4807 ChEBI: CHEBI:70851 IUPAC Name: phthalaldehyde SMILES: C1=CC=C(C(=C1)C=O)C=O

Eosin Y (Certified Biological Stain), Fisher Chemical

CAS: 17372-87-1 Molecular Formula: C20H12Br4Na2O8 Molecular Weight (g/mol): 745.904 MDL Number: MFCD00005040 InChI Key: MASXMTNVNASWNH-UHFFFAOYSA-L Synonym: Acid Red 87, FD&C Red No. 22 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+]

Fisher HealthCare™ Pinnacle Portfolio Eosin-Y Stain Available on GSA/VA Contract for Federal Government customers only.

A fast-acting, alcoholic counterstain which provides excellent delineation of cytoplasmic components

Invitrogen™ Calcein, AM, cell-permeant dye Available on GSA/VA Contract for Federal Government customers only. Non-distribution product as customer accommodation.

Can be used to determine cell viability in most eukaryotic cells

Eriochrome Black T, Powder, BAKER ANALYZED™ A.C.S. Reagent, J.T.Baker™

CAS: 1787-61-7 Molecular Formula: C20H13N3NaO7S Molecular Weight (g/mol): 462.388 InChI Key: KJEKTGOJOIUSCG-GXTSIBQPSA-N Synonym: C.I. 14645 PubChem CID: 87355429 IUPAC Name: (4Z)-4-[(1-hydroxynaphthalen-2-yl)hydrazinylidene]-7-nitro-3-oxonaphthalene-1-sulfonic acid;sodium SMILES: C1=CC=C2C(=C1)C=CC(=C2O)NN=C3C4=C(C=C(C=C4)[N+](=O)[O-])C(=CC3=O)S(=O)(=O)O.[Na]

Fuchsin Basic (Certified Biological Stain), Fisher Chemical

CAS: 632-99-5 Molecular Formula: C20H20ClN3 Molecular Weight (g/mol): 337.851 MDL Number: MFCD00001657 InChI Key: AXDJCCTWPBKUKL-UHFFFAOYSA-N Synonym: Magenta, Pararosaniline PubChem CID: 12447 IUPAC Name: 4-[(4-aminophenyl)-(4-imino-3-methylcyclohexa-2,5-dien-1-ylidene)methyl]aniline;hydrochloride SMILES: CC1=CC(=C(C2=CC=C(C=C2)N)C3=CC=C(C=C3)N)C=CC1=N.Cl

Invitrogen™ NucBlue™ Live ReadyProbes™ Reagent (Hoechst 33342) Available on GSA/VA Contract for Federal Government customers only. Non-distribution product as customer accommodation.

Hoechst stain formulated in room temperature-stable solution that is provided in dropper bottle

Thermo Scientific™ Richard-Allan Scientific™ Signature Series Hematoxylin 1 7221 Available on GSA/VA Contract for Federal Government customers only.

Yield visually similar results to Gills 1 and 2 with this uniquely formulated product.

p-Naphtholbenzein Indicator Solution, Fisher Chemical

CAS: 145-50-6 Molecular Formula: C27H18O2 Molecular Weight (g/mol): 374.439 MDL Number: MFCD00078492 InChI Key: VDDWRTZCUJCDJM-PNHLSOANSA-N PubChem CID: 5941340 IUPAC Name: (4Z)-4-[(4-hydroxynaphthalen-1-yl)-phenylmethylidene]naphthalen-1-one SMILES: C1=CC=C(C=C1)C(=C2C=CC(=O)C3=CC=CC=C23)C4=CC=C(C5=CC=CC=C54)O

Invitrogen™ Cholera Toxin Subunit B (Recombinant), Alexa Fluor™ 488 Conjugate Available on GSA/VA Contract for Federal Government customers only. Non-distribution product as customer accommodation.

Made from a recombinant version of the B subunit only to provide a very high-purity product that is completely free of the toxic A subunit

Thermo Scientific™ Richard-Allan Scientific™ Signature Series Hematoxylin 2 7231 Available on GSA/VA Contract for Federal Government customers only.

Yield visually similar results to Gills 2 and 3 with this uniquely formulated product.

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