Stains Dyes and Indicators

Stains-all, 97%, pure, ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Stains-all Name Note: 97% CAS: 7423-31-6 Purity Grade: Pure Assay: ≥96.0% Assay Percent Range: 97% Molecular Formula: C30H27BrN2S2 Formula Weight: 559.59 MDL Number: MFCD00078788 Synonym: 1-Ethyl-2-[3-(1-ethylnaphtho[1, 2-d]thiazolin-2-ylidene)-2-methylpropenyl]naphtho[1, 2-d]thiazolium bromide

Thymol Blue, ACROS Organics™

Chemical Name or Material: Thymol Blue Name Note: For analysis ACS CAS: 76-61-9 Purity Grade: ACS Reagent Grade Molecular Formula: C27H30O5S Formula Weight: 466.58 MDL Number: MFCD00005869 Synonym: TB

Fisher HealthCare™ Pinnacle Portfolio Clarifier™ 1, 2 Available on GSA/VA Contract for Federal Government customers only.

Unique acetic acid reagents, developed to supplement our family of Hematoxylins

Chromoxane Cyanine R, pure, ACROS Organics™

Chemical Name or Material: Chromoxane Cyanine R CAS: 3564-18-9 Purity Grade: Extra Pure Molecular Formula: C23H15Na3O9S Formula Weight: 536.39 MDL Number: MFCD00012411 Synonym: C.I. 43820

Thymol Blue Sodium Salt, For analysis ACS, ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Thymol Blue sodium salt CAS: 62625-21-2 Purity Grade: ACS Reagent Grade Molecular Formula: C27H29NaO5S Formula Weight: 488.58 MDL Number: MFCD00151093

Rhodamine B, ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Rhodamine B CAS: 81-88-9 Purity Grade: Pure Molecular Formula: C28H31ClN2O3 Formula Weight: 479.01 MDL Number: MFCD00011931 Synonym: Basic Violet 10

Methyl Viologen hydrate, 98%, ACROS Organics™

Chemical Name or Material: Methyl Viologen hydrate Name Note: 98% CAS: 1910-42-5 Assay: ≥97.5% (on dry substance) Assay Percent Range: 98% Molecular Formula: C12H14Cl2N2·xH2O Formula Weight: 257.15 MDL Number: MFCD00150001 Synonym: Paraquat, dichloride

Bromothymol Blue sodium salt, 0.04% w/v aqueous solution, Alfa Aesar™

Chemical Name or Material: Bromothymol Blue sodium salt CAS: 34722-90-2 Physical Form: Liquid Molecular Formula: C27H27Br2NaO5S Formula Weight: 646.38 MDL Number: MFCD00077263

Dansyl Chloride 98%, ACROS Organics™

Chemical Name or Material: Dansyl chloride Name Note: 98% CAS: 605-65-2 Assay: ≥97.5% (HPLC) Assay Percent Range: 98% Molecular Formula: C12H12ClNO2S Formula Weight: 269.75 MDL Number: MFCD00003985 Synonym: 5-Dimethylamino-1-naphthalenesulfonyl chloride

Thermo Scientific™ Richard-Allan Scientific™ Giemsa Stain Available on GSA/VA Contract for Federal Government customers only.

Take advantage of an excellent classical blood film stain used on peripheral blood smears and bone marrow with the Thermo Scientific™ Richard-Allan Scientific™ Giemsa Stain.

Phenolphthalein, ACS

Chemical Name or Material: Phenolphthalein CAS: 77-09-8 Name Note: For analysis ACS Purity Grade: ACS Grade Molecular Formula: C20H14O4 Formula Weight: 318.33 MDL Number: MFCD00005913 Beilstein: 284423 Merck Index: 14,7243

Thermo Scientific™ Shandon™ Gill™ Hematoxylin Available on GSA/VA Contract for Federal Government customers only.

Achieve fast and convenient results, while maintaining complete control over stain intensity with Thermo Scientific™ Shandon™ Gill™ Hematoxylin, which has mucoid staining.

Giemsa Stain, ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Giemsa Stain CAS: 51811-82-6 MDL Number: MFCD00081642

Ponceau S, pure, ACROS Organics™

Chemical Name or Material: Ponceau S CAS: 6226-79-5 Purity Grade: Pure Molecular Formula: C22H12N4Na4O13S4 Formula Weight: 760.54 MDL Number: MFCD00003892 Synonym: 3-Hydroxy-4-[2-sulfo-4-(4-sulfophenylazo)phenylazo]-2, 7-naphthalenedisulfonic acid, tetrasodium salt

Nigrosin Saturated Aqueous Solution Products for Science Education

Chemical Name or Material: Nigrosin Saturated Aqueous Solution CAS: 7697-37-2 CAS: 7732-18-5 Assay Percent Range: 0.03 Synonym: Nigrosine Biological Stain

Bromothymol Blue, sodium salt, pure, water soluble, indicator, ACROS Organics™

Chemical Name or Material: Bromothymol Blue, sodium salt CAS: 34722-90-2 Purity Grade: Pure Molecular Formula: C27H27Br2NaO5S Formula Weight: 646.35 MDL Number: MFCD00077263 Synonym: 3', 3''-Dibromothymolsulfonephthalein, sodium salt

Thermo Scientific™ Richard-Allan Scientific™ Wright Stain Available on GSA/VA Contract for Federal Government customers only.

Utilize Thermo Scientific™ Richard-Allan Scientific™ Wright Stain for peripheral blood and bone marrow smears.

NBD chloride, 98%, ACROS Organics™

Chemical Name or Material: NBD chloride CAS: 10199-89-0 CAS Min %: 97.5 CAS Max %: 100.0 Assay: ≥97.5% Assay Percent Range: 98% Molecular Formula: C6H2ClN3O3 Formula Weight: 199.55 MDL Number: MFCD00005808 Synonym: 4-Chloro-7-nitrobenzo-2-oxa-1, 3-diazole

2',7'-Dichlorofluorescein 3',6'-diacetate, 97%, ACROS Organics™

Chemical Name or Material: 2', 7'-Dichlorofluorescein 3', 6'-diacetate CAS: 2044-85-1 CAS Min %: 96.0 CAS Max %: 100.0 Assay: ≥96.0% Assay Percent Range: 97% Molecular Formula: C24H14Cl2O7 Formula Weight: 485.27 MDL Number: MFCD00037501

Bromophenol Blue sodium salt, ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Bromophenol Blue, sodium salt Name Note: Pure CAS: 62625-28-9 Purity Grade: Pure Molecular Formula: C19H9Br4NaO5S Formula Weight: 691.94 MDL Number: MFCD00013793 Synonym: 3',3'',5',5''-Tetrabromophenolsulfonephthalein

Phenolphthalein, For analysis ACS, ACROS Organics™

Chemical Name or Material: Phenolphthalein CAS: 77-09-8 Purity Grade: ACS Reagent Grade Molecular Formula: C20H14O4 Formula Weight: 318.32 MDL Number: MFCD00005913

orcein, ACROS Organics™

Chemical Name or Material: orcein CAS: 1400-62-0 Purity Grade: Extra Pure MDL Number: MFCD00062310 Synonym: Natural Red 28

Thermo Scientific™ Shandon™ CytoRich™ Red Collection Fluid Available on GSA/VA Contract for Federal Government customers only.

Allow for more accurate evaluation of cytological features with Thermo Scientific™ Shandon™ CytoRich™ Red Collection Fluid, which lyses RBCs and solubilizes proteins.

Phenol Red, ACROS Organics™

Chemical Name or Material: Phenol Red Name Note: Pure CAS: 143-74-8 Purity Grade: ACS Reagent Grade Molecular Formula: C19H14O5S Formula Weight: 354.38 MDL Number: MFCD00003552 Synonym: Phenolsulfonephthalein

Methyl Red, Free Acid (Certified), Fisher Chemical

Chemical Name or Material: Methyl Red, Free Acid CAS: 493-52-7 Purity Grade: Certified Grade Molecular Formula: C15H15N3O2 Linear Formula: 4-(CH3)2N-C6H4-N:N-2-(CO2H)C6H4 Formula Weight: 269.3 MDL Number: MFCD00002425 Synonym: Acid Red 2

o-Cresolphthalein Complexone, pure, ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: o-Cresolphthalein Complexone Name Note: Pure CAS: 2411-89-4 Purity Grade: Pure Molecular Formula: C32H32N2O12 Formula Weight: 636.6 MDL Number: MFCD00005911 Synonym: Phthalein Complexon

Rhodamine 6G, 99%, pure, laser grade, ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Rhodamine 6G CAS: 989-38-8 Purity Grade: Laser Grade Assay Percent Range: 99% Molecular Formula: C28H31ClN2O3 Formula Weight: 479.02 MDL Number: MFCD00012665 Synonym: Basic Red 1

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