Stains and Dyes

A variety of solutions used to selectively bind to and enhance the visibility of biological structures using color and/or fluorescence; used for histology, protein staining, electrophoresis, bacterial classification, blotting, etc.

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436 – 450 of 7,393 results

436

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Thermo Scientific Chemicals Congo Red, Indicator grade

CAS: 573-58-0 Molecular Formula: C32H22N6Na2O6S2 Molecular Weight (g/mol): 696.664 MDL Number: MFCD00004028 InChI Key: IQFVPQOLBLOTPF-UHFFFAOYSA-L Synonym: C.I. 22120,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+]

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Specifications

PubChem CID	11313
CAS	573-58-0
Molecular Weight (g/mol)	696.664
ChEBI	CHEBI:34653
MDL Number	MFCD00004028
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+]
Synonym	C.I. 22120,Direct Red 28
IUPAC Name	disodium;4-amino-3-[[4-[4-[(1-amino-4-sulfonatonaphthalen-2-yl)diazenyl]phenyl]phenyl]diazenyl]naphthalene-1-sulfonate
InChI Key	IQFVPQOLBLOTPF-UHFFFAOYSA-L
Molecular Formula	C32H22N6Na2O6S2

437

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Thermo Scientific Chemicals Calmagite, indicator grade

CAS: 3147-14-6 Molecular Formula: C17H14N2O5S Molecular Weight (g/mol): 358.368 MDL Number: MFCD00011656 InChI Key: ASFVMSDYPYMUFL-UHFFFAOYSA-N PubChem CID: 6364506 IUPAC Name: 4-[(2-hydroxy-5-methylphenyl)hydrazinylidene]-3-oxonaphthalene-1-sulfonic acid SMILES: CC1=CC(=C(C=C1)O)NN=C2C3=CC=CC=C3C(=CC2=O)S(=O)(=O)O

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Specifications

PubChem CID	6364506
CAS	3147-14-6
Molecular Weight (g/mol)	358.368
MDL Number	MFCD00011656
SMILES	CC1=CC(=C(C=C1)O)NN=C2C3=CC=CC=C3C(=CC2=O)S(=O)(=O)O
IUPAC Name	4-[(2-hydroxy-5-methylphenyl)hydrazinylidene]-3-oxonaphthalene-1-sulfonic acid
InChI Key	ASFVMSDYPYMUFL-UHFFFAOYSA-N
Molecular Formula	C17H14N2O5S

438

Fluorescamine, pure

CAS: 38183-12-9 Molecular Formula: C17H10O4 Molecular Weight (g/mol): 278.26 MDL Number: MFCD00005928 InChI Key: ZFKJVJIDPQDDFY-UHFFFAOYNA-N PubChem CID: 37927 IUPAC Name: 4'-phenylspiro[2-benzofuran-3,2'-furan]-1,3'-dione SMILES: O=C1OC2(OC=C(C2=O)C2=CC=CC=C2)C2=CC=CC=C12

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Specifications

PubChem CID	37927
CAS	38183-12-9
Molecular Weight (g/mol)	278.26
MDL Number	MFCD00005928
SMILES	O=C1OC2(OC=C(C2=O)C2=CC=CC=C2)C2=CC=CC=C12
IUPAC Name	4'-phenylspiro[2-benzofuran-3,2'-furan]-1,3'-dione
InChI Key	ZFKJVJIDPQDDFY-UHFFFAOYNA-N
Molecular Formula	C17H10O4

439

Methyl Green, 25g, MP Biomedicals

CAS: 7114-03-6 Molecular Formula: C27H35Cl4N3Zn Molecular Weight (g/mol): 608.78 InChI Key: ZKOGXCSOLMZRAZ-UHFFFAOYSA-J PubChem CID: 131675247 IUPAC Name: zinc;[4-[[4-(dimethylamino)phenyl]-(4-dimethylazaniumylidenecyclohexa-2,5-dien-1-ylidene)methyl]phenyl]-ethyl-dimethylazanium;bromide;trichloride SMILES: CC[N+](C)(C)C1=CC=C(C=C1)C(=C2C=CC(=[N+](C)C)C=C2)C3=CC=C(C=C3)N(C)C.[Cl-].[Cl-].[Cl-].[Zn+2].[Br-]

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Specifications

PubChem CID	131675247
CAS	7114-03-6
Molecular Weight (g/mol)	608.78
SMILES	CC[N+](C)(C)C1=CC=C(C=C1)C(=C2C=CC(=[N+](C)C)C=C2)C3=CC=C(C=C3)N(C)C.[Cl-].[Cl-].[Cl-].[Zn+2].[Br-]
IUPAC Name	zinc;[4-[[4-(dimethylamino)phenyl]-(4-dimethylazaniumylidenecyclohexa-2,5-dien-1-ylidene)methyl]phenyl]-ethyl-dimethylazanium;bromide;trichloride
InChI Key	ZKOGXCSOLMZRAZ-UHFFFAOYSA-J
Molecular Formula	C27H35Cl4N3Zn

440

StatLab™ MasterTech Chandler's Precision Reticulum Stain Kit

Reticulum Stain Kit stains reticulum fibers with no background staining in 30 minutes.

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Specifications

Product Type	Stain Kit

441

Methyl Orange Indicator, 0.05% (w/v), Ricca Chemical

Indicator for Acid-Base Titrations

Pricing & Availability
Specifications

Percent Purity	0.05% W/V
CAS	7732-18-5
Color	Orange
Physical Form	Liquid
pH	3 to 4
Packaging	Natural Poly Bottle
CAS Min %	0.05
Chemical Name or Material	Methyl Orange
Grade	Indicator
Concentration	0.05% (w/v)
Solvent or Matrix	Aqueous Solution
CAS Max %	0.05

442

Bromophenol Blue, 0.04% Aqueous, pH 3.0 to 4.6 Yellow to Blue, Certified, LabChem™

CAS: 62625-28-9 Molecular Formula: C19H9Br4NaO5S Molecular Weight (g/mol): 691.942 InChI Key: TWKDJMRHSLWRFI-UHFFFAOYSA-M PubChem CID: 3791690 IUPAC Name: sodium;2-[(3,5-dibromo-4-hydroxyphenyl)-(3,5-dibromo-4-oxocyclohexa-2,5-dien-1-ylidene)methyl]benzenesulfonate SMILES: C1=CC=C(C(=C1)C(=C2C=C(C(=O)C(=C2)Br)Br)C3=CC(=C(C(=C3)Br)O)Br)S(=O)(=O)[O-].[Na+]

Pricing & Availability
Specifications

PubChem CID	3791690
CAS	62625-28-9
Molecular Weight (g/mol)	691.942
SMILES	C1=CC=C(C(=C1)C(=C2C=C(C(=O)C(=C2)Br)Br)C3=CC(=C(C(=C3)Br)O)Br)S(=O)(=O)[O-].[Na+]
IUPAC Name	sodium;2-[(3,5-dibromo-4-hydroxyphenyl)-(3,5-dibromo-4-oxocyclohexa-2,5-dien-1-ylidene)methyl]benzenesulfonate
InChI Key	TWKDJMRHSLWRFI-UHFFFAOYSA-M
Molecular Formula	C19H9Br4NaO5S

443

StatLab™ MasterTech PAS Stain Kit

PAS Stain Kit stains for glycogen, mucin, fungi, and basement membranes in under 25 minutes.

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Specifications

Product Type	Stain Kit

444

BD Catalase Reagent Dropper

Identify microorganisms without mixing or measuring reagents

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445

Epredia™ Giemsa Stain

Take advantage of an excellent classical blood film stain used on peripheral blood smears and bone marrow with the Epredia™ Giemsa Stain.

Pricing & Availability
Specifications

Product Type	Giemsa Stain

446

Epredia™ Signature Series™ Cyto-Stain™

Achieve results similar to conventional Papanicolaou stains with Epredia™ Signature Series Cyto-Stain™, a uniquely formulated cytoplasmic stain

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447

Thymol Blue Sodium Salt, ACS Grade, Sigma-Aldrich

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448

Malachite Green Oxalate Salt, Technical Grade, Sigma-Aldrich

Technical grade reagent used in diagnostic assays, hematology, and histology for phosphate detection.

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449

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Thermo Scientific Chemicals Methyl Violet 2B

CAS: 8004-87-3 Molecular Formula: C₂₄H₂₇N₃·HCl MDL Number: MFCD00012568 Synonym: Basic Violet 1; C.I. 42535

Pricing & Availability
Specifications

CAS	8004-87-3
MDL Number	MFCD00012568
Synonym	Basic Violet 1; C.I. 42535
Molecular Formula	C₂₄H₂₇N₃·HCl

450

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Neutral Red, Reagent, ACS, Spectrum™ Chemical

Pricing & Availability
Specifications

CAS	553-24-2
Color	Dark Green
Packaging	Amber Glass Bottle
Chemical Name or Material	Neutral Red
Grade	ACS
CAS Max %	1

Stains and Dyes

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BD Catalase Reagent Dropper GSA/VA ContractAvailable on GSA/VA contract for Federal Government customers.Learn More

Epredia™ Signature Series™ Cyto-Stain™ GSA/VA ContractAvailable on GSA/VA contract for Federal Government customers.Learn More

BD Catalase Reagent Dropper

Epredia™ Signature Series™ Cyto-Stain™