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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301 – 315 of 7,007 results

301

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]

Pricing & Availability
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

302

Fluorescamine, MP Biomedicals™

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

Pricing & Availability
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
Synonym	4-phenylspiro[furan-2(3H)-1'-(3'-H)-isobenzofuran]-3, 3'-dione
InChI Key	ZFKJVJIDPQDDFY-UHFFFAOYNA-N
Molecular Formula	C17H10O4

303

Thermo Scientific Chemicals Sudan Black B, high purity biological stain

CAS: 4197-25-5 Molecular Formula: C29H24N6 Molecular Weight (g/mol): 456.553 MDL Number: MFCD00006919 InChI Key: YCUVUDODLRLVIC-UHFFFAOYSA-N Synonym: C.I. 26150,Fat Black HB,Solvent Black 3 PubChem CID: 61336 IUPAC Name: (2,2-dimethyl-1,3-dihydroperimidin-6-yl)-(4-phenyldiazenylnaphthalen-1-yl)diazene SMILES: CC1(NC2=C3C(=C(C=C2)N=NC4=CC=C(C5=CC=CC=C54)N=NC6=CC=CC=C6)C=CC=C3N1)C

Pricing & Availability
Specifications

PubChem CID	61336
CAS	4197-25-5
Molecular Weight (g/mol)	456.553
MDL Number	MFCD00006919
SMILES	CC1(NC2=C3C(=C(C=C2)N=NC4=CC=C(C5=CC=CC=C54)N=NC6=CC=CC=C6)C=CC=C3N1)C
Synonym	C.I. 26150,Fat Black HB,Solvent Black 3
IUPAC Name	(2,2-dimethyl-1,3-dihydroperimidin-6-yl)-(4-phenyldiazenylnaphthalen-1-yl)diazene
InChI Key	YCUVUDODLRLVIC-UHFFFAOYSA-N
Molecular Formula	C29H24N6

304

Thermo Scientific Chemicals Naphthol Green B, pure

CAS: 19381-50-1 Molecular Formula: C30H18FeN3Na3O15S3 Molecular Weight (g/mol): 881.474 MDL Number: MFCD00003886 InChI Key: VLBLPLXOYXEXJK-UHFFFAOYSA-K Synonym: Acid Green 1,C.I. 10020 PubChem CID: 14598749 IUPAC Name: trisodium;6-hydroxy-5-nitrosonaphthalene-2-sulfonate;iron SMILES: C1=CC2=C(C=CC(=C2N=O)O)C=C1S(=O)(=O)[O-].C1=CC2=C(C=CC(=C2N=O)O)C=C1S(=O)(=O)[O-].C1=CC2=C(C=CC(=C2N=O)O)C=C1S(=O)(=O)[O-].[Na+].[Na+].[Na+].[Fe]

Pricing & Availability
Specifications

PubChem CID	14598749
CAS	19381-50-1
Molecular Weight (g/mol)	881.474
MDL Number	MFCD00003886
SMILES	C1=CC2=C(C=CC(=C2N=O)O)C=C1S(=O)(=O)[O-].C1=CC2=C(C=CC(=C2N=O)O)C=C1S(=O)(=O)[O-].C1=CC2=C(C=CC(=C2N=O)O)C=C1S(=O)(=O)[O-].[Na+].[Na+].[Na+].[Fe]
Synonym	Acid Green 1,C.I. 10020
IUPAC Name	trisodium;6-hydroxy-5-nitrosonaphthalene-2-sulfonate;iron
InChI Key	VLBLPLXOYXEXJK-UHFFFAOYSA-K
Molecular Formula	C30H18FeN3Na3O15S3

305

Thermo Scientific Chemicals Ninhydrin, ACS reagent

CAS: 485-47-2 Molecular Formula: C9H6O4 Molecular Weight (g/mol): 178.143 MDL Number: MFCD00003791 InChI Key: FEMOMIGRRWSMCU-UHFFFAOYSA-N Synonym: 1, 2, 3-Indantrione,1, 2, 3-Triketohydrindene,2, 2-Dihydroxy-1H-indene-1, 3(2H)-dione,1H-Indene-1, 2, 3-trione PubChem CID: 10236 ChEBI: CHEBI:86374 IUPAC Name: 2,2-dihydroxyindene-1,3-dione SMILES: C1=CC=C2C(=C1)C(=O)C(C2=O)(O)O

Pricing & Availability
Specifications

PubChem CID	10236
CAS	485-47-2
Molecular Weight (g/mol)	178.143
ChEBI	CHEBI:86374
MDL Number	MFCD00003791
SMILES	C1=CC=C2C(=C1)C(=O)C(C2=O)(O)O
Synonym	1, 2, 3-Indantrione,1, 2, 3-Triketohydrindene,2, 2-Dihydroxy-1H-indene-1, 3(2H)-dione,1H-Indene-1, 2, 3-trione
IUPAC Name	2,2-dihydroxyindene-1,3-dione
InChI Key	FEMOMIGRRWSMCU-UHFFFAOYSA-N
Molecular Formula	C9H6O4

306

Coumarin, 99+%

CAS: 91-64-5 Molecular Formula: C9H6O2 Molecular Weight (g/mol): 146.15 MDL Number: MFCD00006850 InChI Key: ZYGHJZDHTFUPRJ-UHFFFAOYSA-N Synonym: 2H-1-Benzopyran-2-one PubChem CID: 323 ChEBI: CHEBI:28794 IUPAC Name: chromen-2-one SMILES: O=C1OC2=CC=CC=C2C=C1

Pricing & Availability
Specifications

PubChem CID	323
CAS	91-64-5
Molecular Weight (g/mol)	146.15
ChEBI	CHEBI:28794
MDL Number	MFCD00006850
SMILES	O=C1OC2=CC=CC=C2C=C1
Synonym	2H-1-Benzopyran-2-one
IUPAC Name	chromen-2-one
InChI Key	ZYGHJZDHTFUPRJ-UHFFFAOYSA-N
Molecular Formula	C9H6O2

307

Indocyanine green, MP Biomedicals™

CAS: 3599-32-4 Molecular Formula: C43H47N2NaO6S2 Molecular Weight (g/mol): 774.967 MDL Number: MFCD00013078 InChI Key: MOFVSTNWEDAEEK-UHFFFAOYSA-M Synonym: Cardiogreen,Fax green PubChem CID: 132274068 ChEBI: CHEBI:31696 IUPAC Name: sodium;4-[(2E)-2-[(2E,4E,6Z)-7-[1,1-dimethyl-3-(4-sulfonatobutyl)benzo[e]indol-3-ium-2-yl]hepta-2,4,6-trienylidene]-1,1-dimethylbenzo[e]indol-3-yl]butane-1-sulfonate SMILES: CC1(C(=[N+](C2=C1C3=CC=CC=C3C=C2)CCCCS(=O)(=O)[O-])C=CC=CC=CC=C4C(C5=C(N4CCCCS(=O)(=O)[O-])C=CC6=CC=CC=C65)(C)C)C.[Na+]

Pricing & Availability
Specifications

PubChem CID	132274068
CAS	3599-32-4
Molecular Weight (g/mol)	774.967
ChEBI	CHEBI:31696
MDL Number	MFCD00013078
SMILES	CC1(C(=[N+](C2=C1C3=CC=CC=C3C=C2)CCCCS(=O)(=O)[O-])C=CC=CC=CC=C4C(C5=C(N4CCCCS(=O)(=O)[O-])C=CC6=CC=CC=C65)(C)C)C.[Na+]
Synonym	Cardiogreen,Fax green
IUPAC Name	sodium;4-[(2E)-2-[(2E,4E,6Z)-7-[1,1-dimethyl-3-(4-sulfonatobutyl)benzo[e]indol-3-ium-2-yl]hepta-2,4,6-trienylidene]-1,1-dimethylbenzo[e]indol-3-yl]butane-1-sulfonate
InChI Key	MOFVSTNWEDAEEK-UHFFFAOYSA-M
Molecular Formula	C43H47N2NaO6S2

308

Chrome Azurol S, MP Biomedicals™

CAS: 1667-99-8 Molecular Formula: C23H13Cl2Na3O9S Molecular Weight (g/mol): 605.277 MDL Number: MFCD00001615 InChI Key: FUIZKNBTOOKONL-UHFFFAOYSA-K Synonym: Mordant Blue 29,C.I. 43825 PubChem CID: 54736314 IUPAC Name: trisodium;5-[(3-carboxy-5-methyl-4-oxocyclohexa-2,5-dien-1-ylidene)-(2,6-dichloro-3-sulfonatophenyl)methyl]-3-methyl-2-oxidobenzoate SMILES: CC1=CC(=CC(=C1[O-])C(=O)[O-])C(=C2C=C(C(=O)C(=C2)C(=O)O)C)C3=C(C=CC(=C3Cl)S(=O)(=O)[O-])Cl.[Na+].[Na+].[Na+]

Pricing & Availability
Specifications

PubChem CID	54736314
CAS	1667-99-8
Molecular Weight (g/mol)	605.277
MDL Number	MFCD00001615
SMILES	CC1=CC(=CC(=C1[O-])C(=O)[O-])C(=C2C=C(C(=O)C(=C2)C(=O)O)C)C3=C(C=CC(=C3Cl)S(=O)(=O)[O-])Cl.[Na+].[Na+].[Na+]
Synonym	Mordant Blue 29,C.I. 43825
IUPAC Name	trisodium;5-[(3-carboxy-5-methyl-4-oxocyclohexa-2,5-dien-1-ylidene)-(2,6-dichloro-3-sulfonatophenyl)methyl]-3-methyl-2-oxidobenzoate
InChI Key	FUIZKNBTOOKONL-UHFFFAOYSA-K
Molecular Formula	C23H13Cl2Na3O9S

309

Thermo Scientific Chemicals Thymol Blue, ACS reagent

CAS: 76-61-9 Molecular Formula: C27H30O5S Molecular Weight (g/mol): 466.592 MDL Number: MFCD00005869 InChI Key: PRZSXZWFJHEZBJ-UHFFFAOYSA-N Synonym: TB,Thymolsulfonephthalein PubChem CID: 65565 IUPAC Name: 4-[3-(4-hydroxy-2-methyl-5-propan-2-ylphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]-5-methyl-2-propan-2-ylphenol SMILES: CC1=CC(=C(C=C1C2(C3=CC=CC=C3S(=O)(=O)O2)C4=CC(=C(C=C4C)O)C(C)C)C(C)C)O

Pricing & Availability
Specifications

PubChem CID	65565
CAS	76-61-9
Molecular Weight (g/mol)	466.592
MDL Number	MFCD00005869
SMILES	CC1=CC(=C(C=C1C2(C3=CC=CC=C3S(=O)(=O)O2)C4=CC(=C(C=C4C)O)C(C)C)C(C)C)O
Synonym	TB,Thymolsulfonephthalein
IUPAC Name	4-[3-(4-hydroxy-2-methyl-5-propan-2-ylphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]-5-methyl-2-propan-2-ylphenol
InChI Key	PRZSXZWFJHEZBJ-UHFFFAOYSA-N
Molecular Formula	C27H30O5S

310

Evans blue, MP Biomedicals™

CAS: 314-13-6 Molecular Formula: C34H24N6Na4O14S4 Molecular Weight (g/mol): 960.79 MDL Number: MFCD00004021 InChI Key: KBNIFDASRCWYGC-GXNXWABVSA-J Synonym: Direct blue 53 PubChem CID: 24832074 IUPAC Name: tetrasodium (6E)-4-amino-6-[2-(4'-{2-[(2E)-8-amino-1-oxo-5,7-disulfonato-1,2-dihydronaphthalen-2-ylidene]hydrazin-1-yl}-3,3'-dimethyl-[1,1'-biphenyl]-4-yl)hydrazin-1-ylidene]-5-oxo-5,6-dihydronaphthalene-1,3-disulfonate SMILES: [Na+].[Na+].[Na+].[Na+].CC1=CC(=CC=C1N\N=C1/C=CC2=C(C=C(C(N)=C2C1=O)S([O-])(=O)=O)S([O-])(=O)=O)C1=CC=C(N\N=C2/C=CC3=C(C=C(C(N)=C3C2=O)S([O-])(=O)=O)S([O-])(=O)=O)C(C)=C1

Pricing & Availability
Specifications

PubChem CID	24832074
CAS	314-13-6
Molecular Weight (g/mol)	960.79
MDL Number	MFCD00004021
SMILES	[Na+].[Na+].[Na+].[Na+].CC1=CC(=CC=C1N\N=C1/C=CC2=C(C=C(C(N)=C2C1=O)S([O-])(=O)=O)S([O-])(=O)=O)C1=CC=C(N\N=C2/C=CC3=C(C=C(C(N)=C3C2=O)S([O-])(=O)=O)S([O-])(=O)=O)C(C)=C1
Synonym	Direct blue 53
IUPAC Name	tetrasodium (6E)-4-amino-6-[2-(4'-{2-[(2E)-8-amino-1-oxo-5,7-disulfonato-1,2-dihydronaphthalen-2-ylidene]hydrazin-1-yl}-3,3'-dimethyl-[1,1'-biphenyl]-4-yl)hydrazin-1-ylidene]-5-oxo-5,6-dihydronaphthalene-1,3-disulfonate
InChI Key	KBNIFDASRCWYGC-GXNXWABVSA-J
Molecular Formula	C34H24N6Na4O14S4

311

Thermo Scientific Chemicals Evans Blue

CAS: 314-13-6 Molecular Formula: C34H24N6Na4O14S4 Molecular Weight (g/mol): 960.79 MDL Number: MFCD00004021 InChI Key: KBNIFDASRCWYGC-GXNXWABVSA-J Synonym: C.I. 23860,Direct Blue 53 PubChem CID: 24832074 IUPAC Name: tetrasodium (6E)-4-amino-6-[2-(4'-{2-[(2E)-8-amino-1-oxo-5,7-disulfonato-1,2-dihydronaphthalen-2-ylidene]hydrazin-1-yl}-3,3'-dimethyl-[1,1'-biphenyl]-4-yl)hydrazin-1-ylidene]-5-oxo-5,6-dihydronaphthalene-1,3-disulfonate SMILES: [Na+].[Na+].[Na+].[Na+].CC1=CC(=CC=C1N\N=C1/C=CC2=C(C=C(C(N)=C2C1=O)S([O-])(=O)=O)S([O-])(=O)=O)C1=CC=C(N\N=C2/C=CC3=C(C=C(C(N)=C3C2=O)S([O-])(=O)=O)S([O-])(=O)=O)C(C)=C1

Pricing & Availability
Specifications

PubChem CID	24832074
CAS	314-13-6
Molecular Weight (g/mol)	960.79
MDL Number	MFCD00004021
SMILES	[Na+].[Na+].[Na+].[Na+].CC1=CC(=CC=C1N\N=C1/C=CC2=C(C=C(C(N)=C2C1=O)S([O-])(=O)=O)S([O-])(=O)=O)C1=CC=C(N\N=C2/C=CC3=C(C=C(C(N)=C3C2=O)S([O-])(=O)=O)S([O-])(=O)=O)C(C)=C1
Synonym	C.I. 23860,Direct Blue 53
IUPAC Name	tetrasodium (6E)-4-amino-6-[2-(4'-{2-[(2E)-8-amino-1-oxo-5,7-disulfonato-1,2-dihydronaphthalen-2-ylidene]hydrazin-1-yl}-3,3'-dimethyl-[1,1'-biphenyl]-4-yl)hydrazin-1-ylidene]-5-oxo-5,6-dihydronaphthalene-1,3-disulfonate
InChI Key	KBNIFDASRCWYGC-GXNXWABVSA-J
Molecular Formula	C34H24N6Na4O14S4

312

Thermo Scientific Chemicals Resazurin, sodium salt, pure, certified

CAS: 62758-13-8 Molecular Formula: C12H6NNaO4 Molecular Weight (g/mol): 251.173 MDL Number: MFCD00005036 InChI Key: IVGPGQSSDLDOLH-UHFFFAOYSA-M Synonym: 7-Hydroxy-3H-phenoxazin-3-one 10-oxide, sodium salt PubChem CID: 112939 IUPAC Name: sodium;10-oxido-7-oxophenoxazin-10-ium-3-olate SMILES: C1=CC2=C(C=C1[O-])OC3=CC(=O)C=CC3=[N+]2[O-].[Na+]

Pricing & Availability
Specifications

PubChem CID	112939
CAS	62758-13-8
Molecular Weight (g/mol)	251.173
MDL Number	MFCD00005036
SMILES	C1=CC2=C(C=C1[O-])OC3=CC(=O)C=CC3=[N+]2[O-].[Na+]
Synonym	7-Hydroxy-3H-phenoxazin-3-one 10-oxide, sodium salt
IUPAC Name	sodium;10-oxido-7-oxophenoxazin-10-ium-3-olate
InChI Key	IVGPGQSSDLDOLH-UHFFFAOYSA-M
Molecular Formula	C12H6NNaO4

313

Thermo Scientific Chemicals Toluidine Blue O, pure

CAS: 92-31-9 Molecular Formula: C15H16ClN3S Molecular Weight (g/mol): 305.82 MDL Number: MFCD00011934 InChI Key: HNONEKILPDHFOL-UHFFFAOYSA-M Synonym: Basic blue 17,C.I. 52040,Tolonium chloride PubChem CID: 7083 SMILES: [Cl-].CN(C)C1=CC=C2N=C3C=C(C)C(N)=CC3=[S+]C2=C1

Pricing & Availability
Specifications

PubChem CID	7083
CAS	92-31-9
Molecular Weight (g/mol)	305.82
MDL Number	MFCD00011934
SMILES	[Cl-].CN(C)C1=CC=C2N=C3C=C(C)C(N)=CC3=[S+]C2=C1
Synonym	Basic blue 17,C.I. 52040,Tolonium chloride
InChI Key	HNONEKILPDHFOL-UHFFFAOYSA-M
Molecular Formula	C15H16ClN3S

314

MilliporeSigma™ Lugol's solution (Diluted Iodine-Potassium Iodide Solution)

For staining of Gram bacteria

Pricing & Availability
Specifications

Packaging Type	Plastic Bottle

315

Thermo Scientific Chemicals Patent Blue VF, pure, indicator grade

CAS: 129-17-9 Molecular Formula: C27H31N2NaO6S2 Molecular Weight (g/mol): 566.66 MDL Number: MFCD00012119 InChI Key: SJEYSFABYSGQBG-UHFFFAOYSA-M Synonym: Acid Blue 1,C.I. 42045,αzurine 2G,Sulphan blue PubChem CID: 8507 ChEBI: CHEBI:34906 IUPAC Name: sodium;4-[[4-(diethylamino)phenyl]-(4-diethylazaniumylidenecyclohexa-2,5-dien-1-ylidene)methyl]benzene-1,3-disulfonate SMILES: [Na+].CCN(CC)C1=CC=C(C=C1)[C+](C1=CC=C(C=C1)N(CC)CC)C1=CC=C(C=C1S([O-])(=O)=O)S([O-])(=O)=O

Pricing & Availability
Specifications

PubChem CID	8507
CAS	129-17-9
Molecular Weight (g/mol)	566.66
ChEBI	CHEBI:34906
MDL Number	MFCD00012119
SMILES	[Na+].CCN(CC)C1=CC=C(C=C1)[C+](C1=CC=C(C=C1)N(CC)CC)C1=CC=C(C=C1S([O-])(=O)=O)S([O-])(=O)=O
Synonym	Acid Blue 1,C.I. 42045,αzurine 2G,Sulphan blue
IUPAC Name	sodium;4-[[4-(diethylamino)phenyl]-(4-diethylazaniumylidenecyclohexa-2,5-dien-1-ylidene)methyl]benzene-1,3-disulfonate
InChI Key	SJEYSFABYSGQBG-UHFFFAOYSA-M
Molecular Formula	C27H31N2NaO6S2

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