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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526 – 540 of 7,126 results

526

Sigma-Aldrich Eosin Y Solution, Alcoholic

General purpose cytoplasmic counterstain. Used with hematoxylin and eosin staining.

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527

Sigma-Aldrich Trichrome Stain AB Solution

For the study of connective tissue, muscle and collage fibers.

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528

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Hydroxy Naphthol Blue Disodium Salt, Reagent, ACS,, Spectrum™ Chemical

CAS: 165660-27-5 Molecular Formula: C20H14N2Na2O11S3 Molecular Weight (g/mol): 600.49 InChI Key: LXJHFXHZWYBBKJ-UHFFFAOYSA-N IUPAC Name: 3-hydroxy-4-[2-(2-oxo-4-sulfo-1,2-dihydronaphthalen-1-ylidene)hydrazin-1-yl]naphthalene-2,7-disulfonic acid disodium SMILES: [Na].[Na].OC1=C(NN=C2C(=O)C=C(C3=CC=CC=C23)S(O)(=O)=O)C2=CC=C(C=C2C=C1S(O)(=O)=O)S(O)(=O)=O

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Specifications

CAS	165660-27-5
Molecular Weight (g/mol)	600.49
SMILES	[Na].[Na].OC1=C(NN=C2C(=O)C=C(C3=CC=CC=C23)S(O)(=O)=O)C2=CC=C(C=C2C=C1S(O)(=O)=O)S(O)(=O)=O
IUPAC Name	3-hydroxy-4-[2-(2-oxo-4-sulfo-1,2-dihydronaphthalen-1-ylidene)hydrazin-1-yl]naphthalene-2,7-disulfonic acid disodium
InChI Key	LXJHFXHZWYBBKJ-UHFFFAOYSA-N
Molecular Formula	C20H14N2Na2O11S3

529

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Thermo Scientific Chemicals Acid Fuchsin, pure, certified

CAS: 3244-88-0 Molecular Formula: C20H17N3Na2O9S3 Molecular Weight (g/mol): 587.544 MDL Number: MFCD00013286 InChI Key: VCEFFPMSOGDMJX-UHFFFAOYSA-N Synonym: Acid Violet 19,C.I. 42685,Fuchsin Acid,Rubin S PubChem CID: 131852436 IUPAC Name: 3-[bis(4-amino-3-sulfophenyl)methylidene]-6-imino-5-methylcyclohexa-1,4-diene-1-sulfonic acid;sodium SMILES: CC1=CC(=C(C2=CC(=C(C=C2)N)S(=O)(=O)O)C3=CC(=C(C=C3)N)S(=O)(=O)O)C=C(C1=N)S(=O)(=O)O.[Na].[Na]

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Specifications

PubChem CID	131852436
CAS	3244-88-0
Molecular Weight (g/mol)	587.544
MDL Number	MFCD00013286
SMILES	CC1=CC(=C(C2=CC(=C(C=C2)N)S(=O)(=O)O)C3=CC(=C(C=C3)N)S(=O)(=O)O)C=C(C1=N)S(=O)(=O)O.[Na].[Na]
Synonym	Acid Violet 19,C.I. 42685,Fuchsin Acid,Rubin S
IUPAC Name	3-[bis(4-amino-3-sulfophenyl)methylidene]-6-imino-5-methylcyclohexa-1,4-diene-1-sulfonic acid;sodium
InChI Key	VCEFFPMSOGDMJX-UHFFFAOYSA-N
Molecular Formula	C20H17N3Na2O9S3

530

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Coumarin 314, 99%, pure, laser grade

CAS: 55804-66-5 Molecular Formula: C18H19NO4 Molecular Weight (g/mol): 313.353 MDL Number: MFCD00051334 InChI Key: VMJKUPWQKZFFCX-UHFFFAOYSA-N Synonym: 1,2,4,5,3H,6H,10H-Tetrahydro-9-carbethoxy[1]benzopyrano(9,9a,1-gh)-quinolizin-10-one PubChem CID: 72653 ChEBI: CHEBI:51940 SMILES: CCOC(=O)C1=CC2=CC3=C4C(=C2OC1=O)CCCN4CCC3

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Specifications

PubChem CID	72653
CAS	55804-66-5
Molecular Weight (g/mol)	313.353
ChEBI	CHEBI:51940
MDL Number	MFCD00051334
SMILES	CCOC(=O)C1=CC2=CC3=C4C(=C2OC1=O)CCCN4CCC3
Synonym	1,2,4,5,3H,6H,10H-Tetrahydro-9-carbethoxy[1]benzopyrano(9,9a,1-gh)-quinolizin-10-one
InChI Key	VMJKUPWQKZFFCX-UHFFFAOYSA-N
Molecular Formula	C18H19NO4

531

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Thermo Scientific Chemicals Carmine, pure, certified, alum lake of carminic acid

CAS: 1390-65-4 Molecular Formula: C22H20O13 Molecular Weight (g/mol): 492.39 MDL Number: MFCD00167028 InChI Key: DGQLVPJVXFOQEV-UHFFFAOYNA-N Synonym: C.I. 75470 PubChem CID: 25113282 IUPAC Name: 3,5,6,8-tetrahydroxy-1-methyl-9,10-dioxo-7-[(2S,3R,4S,5R,6S)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]anthracene-2-carboxylic acid SMILES: CC1=C(C(O)=O)C(O)=CC2=C1C(=O)C1=C(O)C(C3OC(CO)C(O)C(O)C3O)=C(O)C(O)=C1C2=O

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Specifications

PubChem CID	25113282
CAS	1390-65-4
Molecular Weight (g/mol)	492.39
MDL Number	MFCD00167028
SMILES	CC1=C(C(O)=O)C(O)=CC2=C1C(=O)C1=C(O)C(C3OC(CO)C(O)C(O)C3O)=C(O)C(O)=C1C2=O
Synonym	C.I. 75470
IUPAC Name	3,5,6,8-tetrahydroxy-1-methyl-9,10-dioxo-7-[(2S,3R,4S,5R,6S)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]anthracene-2-carboxylic acid
InChI Key	DGQLVPJVXFOQEV-UHFFFAOYNA-N
Molecular Formula	C22H20O13

532

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Calmagite, ACS, Spectrum™ Chemical

CAS: 3147-14-6

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Specifications

CAS	3147-14-6

533

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Bromocresol Purple, Spectrum™ Chemical

CAS: 115-40-2

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Specifications

CAS	115-40-2

534

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Amido Black 10B, Spectrum™ Chemical

CAS: 1064-48-8

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Specifications

CAS	1064-48-8

535

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Erythrosin B Sodium Salt, 87%, Spectrum™ Chemical

CAS: 49746-10-3

Pricing & Availability
Specifications

CAS	49746-10-3

536

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Methylene Blue, CP, Spectrum™ Chemical

CAS: 7220-79-3

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Specifications

CAS	7220-79-3

537

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Quinaldine Red, Spectrum™ Chemical

CAS: 117-92-0

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Specifications

CAS	117-92-0

538

Anthrone, MP Biomedicals™

CAS: 90-44-8 Molecular Formula: C14H10O Molecular Weight (g/mol): 194.23 MDL Number: MFCD00001187 InChI Key: RJGDLRCDCYRQOQ-UHFFFAOYSA-N Synonym: 9-10-dihydro-9-oxoanthracene,9(10H)-Anthracenone PubChem CID: 7018 ChEBI: CHEBI:33835 IUPAC Name: 9,10-dihydroanthracen-9-one SMILES: O=C1C2=CC=CC=C2CC2=CC=CC=C12

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Specifications

PubChem CID	7018
CAS	90-44-8
Molecular Weight (g/mol)	194.23
ChEBI	CHEBI:33835
MDL Number	MFCD00001187
SMILES	O=C1C2=CC=CC=C2CC2=CC=CC=C12
Synonym	9-10-dihydro-9-oxoanthracene,9(10H)-Anthracenone
IUPAC Name	9,10-dihydroanthracen-9-one
InChI Key	RJGDLRCDCYRQOQ-UHFFFAOYSA-N
Molecular Formula	C14H10O

539

p-Nitro blue tetrazolium chloride, MP Biomedicals™

CAS: 298-83-9 Molecular Formula: C40H30Cl2N10O6 Molecular Weight (g/mol): 817.644 MDL Number: MFCD00012159 InChI Key: FSVCQIDHPKZJSO-UHFFFAOYSA-L Synonym: 3,3'-(3,3'-Dimethoxy-4,4'-biphenylene)-bis-(2-p-nitrophenyl)-5-(phenyl)-2H-tetrazolium chloride,NBT PubChem CID: 9281 ChEBI: CHEBI:9505 IUPAC Name: 2-[2-methoxy-4-[3-methoxy-4-[3-(4-nitrophenyl)-5-phenyltetrazol-2-ium-2-yl]phenyl]phenyl]-3-(4-nitrophenyl)-5-phenyltetrazol-2-ium;dichloride SMILES: COC1=C(C=CC(=C1)C2=CC(=C(C=C2)[N+]3=NC(=NN3C4=CC=C(C=C4)[N+](=O)[O-])C5=CC=CC=C5)OC)[N+]6=NC(=NN6C7=CC=C(C=C7)[N+](=O)[O-])C8=CC=CC=C8.[Cl-].[Cl-]

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Specifications

PubChem CID	9281
CAS	298-83-9
Molecular Weight (g/mol)	817.644
ChEBI	CHEBI:9505
MDL Number	MFCD00012159
SMILES	COC1=C(C=CC(=C1)C2=CC(=C(C=C2)[N+]3=NC(=NN3C4=CC=C(C=C4)[N+](=O)[O-])C5=CC=CC=C5)OC)[N+]6=NC(=NN6C7=CC=C(C=C7)[N+](=O)[O-])C8=CC=CC=C8.[Cl-].[Cl-]
Synonym	3,3'-(3,3'-Dimethoxy-4,4'-biphenylene)-bis-(2-p-nitrophenyl)-5-(phenyl)-2H-tetrazolium chloride,NBT
IUPAC Name	2-[2-methoxy-4-[3-methoxy-4-[3-(4-nitrophenyl)-5-phenyltetrazol-2-ium-2-yl]phenyl]phenyl]-3-(4-nitrophenyl)-5-phenyltetrazol-2-ium;dichloride
InChI Key	FSVCQIDHPKZJSO-UHFFFAOYSA-L
Molecular Formula	C40H30Cl2N10O6

540

Methyl red, For ACS analysis, MP Biomedicals™

CAS: 493-52-7 Molecular Formula: C15H15N3O2 Molecular Weight (g/mol): 269.304 InChI Key: CEQFOVLGLXCDCX-UHFFFAOYSA-N Synonym: 2-(4-Dimethylaminophenylazo)benzoic acid,4-Dimethylaminoazobenzene-2'-carboxylic 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

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Specifications

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

Stains and Dyes

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Hydroxy Naphthol Blue Disodium Salt, Reagent, ACS,, Spectrum™ Chemical Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Calmagite, ACS, Spectrum™ Chemical Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Bromocresol Purple, Spectrum™ Chemical Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Amido Black 10B, Spectrum™ Chemical Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Erythrosin B Sodium Salt, 87%, Spectrum™ Chemical Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Methylene Blue, CP, Spectrum™ Chemical Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Quinaldine Red, Spectrum™ Chemical Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Hydroxy Naphthol Blue Disodium Salt, Reagent, ACS,, Spectrum™ Chemical

Calmagite, ACS, Spectrum™ Chemical

Bromocresol Purple, Spectrum™ Chemical

Amido Black 10B, Spectrum™ Chemical

Erythrosin B Sodium Salt, 87%, Spectrum™ Chemical

Methylene Blue, CP, Spectrum™ Chemical

Quinaldine Red, Spectrum™ Chemical