Diagnostic Chemicals

Litmus Products for Science Education

Chemical Name or Material: Litmus CAS: 1393-92-6 Assay Percent Range: >99% w/v Formula Weight: ≈3300

Litmus Solution, 0.5% Products for Science Education

Chemical Name or Material: Litmus Solution, 0.5% CAS: 1393-92-6 CAS: 7732-18-5 Assay Percent Range: 0.5% w/v

Alizarin Red S sodium salt, 1% w/v aq. sol., Alfa Aesar™

Chemical Name or Material: Alizarin Red S sodium salt CAS: 130-22-3 Physical Form: Liquid Molecular Formula: C14H7O7SNa MDL Number: MFCD00013049

Thermo Scientific™ Richard-Allan Scientific™ Periodic Acid-Schiff (PAS) Available on GSA/VA Contract for Federal Government customers only.

Demonstrate the patterns and presence of specific carbohydrates with Thermo Scientific™ Richard-Allan Scientific™ Periodic Acid-Schiff (PAS) Solution

Alfa Aesar™ Methyl Green, 0.1% w/v aq. soln.

Chemical Name or Material: Methyl Green CAS: 14855-76-6 Molecular Formula: C27H35BrClN3 Formula Weight: 516.95 MDL Number: MFCD00036449 Merck Index: 14,6082 Synonym: C.I. 42590; Ethyl Green

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

Identify primary tumor sites with the aid of Thermo Scientific™ Richard-Allan Scientific™ Mucicarmine

m-Cresol Purple, pure, indicator grade, ACROS Organics™

Chemical Name or Material: m-Cresol Purple CAS: 2303-01-7 Purity Grade: Pure Molecular Formula: C21H18O5S Formula Weight: 382.42 MDL Number: MFCD00005871

Rhodamine 101 Inner Salt 99%, ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Rhodamine 101 inner salt Name Note: 99% CAS: 116450-56-7 Purity Grade: Pure Assay: ≥98.5% Assay Percent Range: 99% Molecular Formula: C32H30N2O3 Formula Weight: 490.59 MDL Number: MFCD00051383

Azomethine H monosodium salt monohydrate, 95%, Acros Organics™

Infrared Spectrum: Authentic Water: 6% max. Formula Weight: 463.41 CAS: 304655-82-1 Molecular Formula: C17H12NNaO8S2·H2O Chemical Name or Material: Azomethine H monosodium salt monohydrate

Thermo Scientific™ Richard-Allan Scientific™ Gram Stain (Tissue) Kit Available on GSA/VA Contract for Federal Government customers only.

Identify gram-positive and gram-negative bacteria in tissue sections with Thermo Scientific™ Richard-Allan Scientific™ Gram Stain (Tissue)

Thermo Scientific™ Remel™ TB Methylene Blue Counterstain Available on GSA/VA Contract for Federal Government customers only.

A counterstain for AFB and Cryptosporidium modified acid-fast stain using TB Kinyoun or TB Ziehl-Neelsen stains.

Safranin O Products for Science Education

Chemical Name or Material: Safranin O CAS: 477-73-6 Molecular Formula: C20H19N4Cl Linear Formula: C20H49ClN4 Formula Weight: 350.85 Synonym: Basic Red 2

Eosin B, pure, high purity, biological stain, ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Eosin B CAS: 548-24-3 Purity Grade: Pure Molecular Formula: C20H6Br2N2Na2O9 Formula Weight: 624.06 MDL Number: MFCD00005041 Synonym: 4', 5'-Dibromo-2', 7'-dinitrofluorescein

Bromocresol Green, Water Soluble, Indicator, ACROS Organics™

Chemical Name or Material: Bromocresol Green, sodium salt CAS: 67763-24-0 Purity Grade: Extra Pure Molecular Formula: C21H13Br4NaO5S Formula Weight: 720 MDL Number: MFCD00148898

Thermo Scientific™ Lab Vision™ Citrate Buffer for Heat-Induced Epitope Retrieval (10X)

Improve the reactivity of many antibodies in formalin-fixed tissues with the Thermo Scientific™ Lab Vision™ Citrate Buffer for Heat-Induced Epitope Retrieval (10X).

Thermo Scientific™ Remel™ Gram Iodine Available on GSA/VA Contract for Federal Government customers only.

Thermo Scientific™ Remel Gram Iodine is a mordant used in Gram stain procedures.

Formalde-Fresh Solution, Buffered, Fisher Chemical Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Formalde-Fresh Solution, Buffered CAS: 50-00-0 CAS: 67-56-1 CAS: 7732-18-5 Assay: 4.0 to 4.5% MDL Number: MFCD00003274

Cal-Ex™ Decalcifier, Fisher Chemical Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Cal-Ex™ Decalcifier CAS: 6381-92-6 CAS: 7647-01-0 CAS: 7732-18-5 Assay Percent Range: ≥98.5 % MDL Number: MFCD00211743

Sudan I, ACROS Organics™

Chemical Name or Material: Sudan I CAS: 842-07-9 Purity Grade: Extra Pure Molecular Formula: C16H12N2O Formula Weight: 248.28 MDL Number: MFCD00003911 Synonym: 1-Phenylazo-2-naphthol

Indicator Solution, Universal Products for Science Education

Chemical Name or Material: Universal Indicator Solution CAS: 34722-90-2 CAS: 64-17-5 CAS: 547-58-0 CAS: 845-10-3 CAS: 518-51-4 Assay Percent Range: <0.2% w/v Synonym: Universal pH Indicator

Rhodamine 110, Laser Grade, 99%, ACROS Organics™

Chemical Name or Material: Rhodamine 110 CAS: 13558-31-1 Purity Grade: Pure Assay: ≥98.5% Assay Percent Range: 98+% Molecular Formula: C20H15ClN2O3 Formula Weight: 366.79

Thermo Scientific™ Richard-Allan Scientific™ Masson Trichrome Kit Available on GSA/VA Contract for Federal Government customers only.

Aids in differentiating collagen and smooth muscle in tumors. Comes with all stains and solutions necessary to complete the staining procedure.

Methylene Blue Trihydrate (Crystalline/USP), Fisher Chemical

Chemical Name or Material: Methylene Blue Trihydrate CAS: 7220-79-3 Purity Grade: USP Physical Form: Solid Assay: Inclusive between 98.0% Molecular Formula: C16H18ClN3S · 3 H2O Formula Weight: 373.9 MDL Number: MFCD00150008 Synonym: Basic Blue 9 Trihydrate

Thermo Scientific™ Remel™ Trichrome Blue Available on GSA/VA Contract for Federal Government customers only.

Thermo Scientific™ Remel Trichrome Blue is for detection of Microsporidium in clinical specimens.

Aniline Blue, sodium salt, pure, water soluble, high purity biological stain, ACROS Organics™

Chemical Name or Material: Aniline Blue, sodium salt CAS: 28631-66-5 Purity Grade: Pure Molecular Formula: C32H25N3Na2O9S3 Formula Weight: 737.71 MDL Number: MFCD00036130 Synonym: Acid Blue 22

Protein Gel Loading Dye, 2x, ACROS Organics™

Chemical Name or Material: Protein gel loading dye

Alfa Aesar™ Bismarck Brown R

Chemical Name or Material: Bismarck Brown R CAS: 5421-66-9 Molecular Formula: C21H24N8·2HCl Formula Weight: 461.39 MDL Number: MFCD00036386 Beilstein: 1829673 Synonym: C.I. 21010; Basic Brown 4

Bromocresol Purple (Certified), Fisher Chemical

Chemical Name or Material: Bromocresol Purple CAS: 115-40-2 Purity Grade: Certified Grade Molecular Formula: C21H16Br2O5S Formula Weight: 540.24 MDL Number: MFCD00011681 Synonym: 5, 5'dibromo-o-cresolsulfonphthalein

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

Chemical Name or Material: Tiron™ CAS: 149-45-1 Molecular Formula: C6H4Na2O8S2·H2O Linear Formula: (HO)2C6H2(SO3Na)2·H2O Formula Weight: 332.21 MDL Number: MFCD00149531 Synonym: 4,5-Dihydroxy-1,3-benzenedisulfonic acid, disodium salt monohydrate

Congo Red, 0.1% Aqueous Solution Products for Science Education

Chemical Name or Material: Congo Red, 0.1% Aqueous Solution CAS: 573-58-0 CAS: 7732-18-5 Assay Percent Range: <1% w/v

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