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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1,081 – 1,095 of 7,126 results

1,081

Malachite Green Oxalate, MP Biomedicals™

CAS: 2437-29-8 Molecular Formula: C52H54N4O12 Molecular Weight (g/mol): 927.02 MDL Number: MFCD00011766,MFCD00151209 InChI Key: CNYGFPPAGUCRIC-UHFFFAOYSA-L Synonym: Basicgreen 4,Acryl brilliantgreen,Chinagreen,Anilinegreen IUPAC Name: bis(bis[4-(dimethylamino)phenyl](phenyl)methylium) oxalic acid dihydrogen oxalate SMILES: OC(=O)C(O)=O.OC(=O)C([O-])=O.OC(=O)C([O-])=O.CN(C)C1=CC=C(C=C1)[C+](C1=CC=CC=C1)C1=CC=C(C=C1)N(C)C.CN(C)C1=CC=C(C=C1)[C+](C1=CC=CC=C1)C1=CC=C(C=C1)N(C)C

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Specifications

CAS	2437-29-8
Molecular Weight (g/mol)	927.02
MDL Number	MFCD00011766,MFCD00151209
SMILES	OC(=O)C(O)=O.OC(=O)C([O-])=O.OC(=O)C([O-])=O.CN(C)C1=CC=C(C=C1)[C+](C1=CC=CC=C1)C1=CC=C(C=C1)N(C)C.CN(C)C1=CC=C(C=C1)[C+](C1=CC=CC=C1)C1=CC=C(C=C1)N(C)C
Synonym	Basicgreen 4,Acryl brilliantgreen,Chinagreen,Anilinegreen
IUPAC Name	bis(bis[4-(dimethylamino)phenyl](phenyl)methylium) oxalic acid dihydrogen oxalate
InChI Key	CNYGFPPAGUCRIC-UHFFFAOYSA-L
Molecular Formula	C52H54N4O12

1,082

Brilliant Green, MP Biomedicals™

CAS: 633-03-4 Molecular Formula: C27H34N2O4S Molecular Weight (g/mol): 482.639 InChI Key: NNBFNNNWANBMTI-UHFFFAOYSA-M Synonym: Astradiamant green GX, Basic Green 1, Diamond Green, Emerald Green, Ethyl Green, Malachite Green G, Solid Green JO PubChem CID: 12449 IUPAC Name: [4-[[4-(diethylamino)phenyl]-phenylmethylidene]cyclohexa-2,5-dien-1-ylidene]-diethylazanium;hydrogen sulfate SMILES: CCN(CC)C1=CC=C(C=C1)C(=C2C=CC(=[N+](CC)CC)C=C2)C3=CC=CC=C3.OS(=O)(=O)[O-]

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Specifications

PubChem CID	12449
CAS	633-03-4
Molecular Weight (g/mol)	482.639
SMILES	CCN(CC)C1=CC=C(C=C1)C(=C2C=CC(=[N+](CC)CC)C=C2)C3=CC=CC=C3.OS(=O)(=O)[O-]
Synonym	Astradiamant green GX, Basic Green 1, Diamond Green, Emerald Green, Ethyl Green, Malachite Green G, Solid Green JO
IUPAC Name	[4-[[4-(diethylamino)phenyl]-phenylmethylidene]cyclohexa-2,5-dien-1-ylidene]-diethylazanium;hydrogen sulfate
InChI Key	NNBFNNNWANBMTI-UHFFFAOYSA-M
Molecular Formula	C27H34N2O4S

1,083

Xylene, MP Biomedicals™

CAS: 1330-20-7 Molecular Formula: C8H10 Synonym: Xylol, dimethylbenzene, Xylene mixture of isomers

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Specifications

CAS	1330-20-7
Synonym	Xylol, dimethylbenzene, Xylene mixture of isomers
Molecular Formula	C8H10

1,084

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FD and C Red No. 40, Spectrum™ Chemical

CAS: 25956-17-6 Molecular Formula: C18H14N2Na2O8S2 Molecular Weight (g/mol): 496.42 MDL Number: MFCD00059526 InChI Key: POXPUHKJGLHZEM-VIPPSAFOSA-L IUPAC Name: disodium (5E)-5-[2-(2-methoxy-5-methyl-4-sulfonatophenyl)hydrazin-1-ylidene]-6-oxo-5,6-dihydronaphthalene-2-sulfonate SMILES: [Na+].[Na+].COC1=CC(=C(C)C=C1N\N=C1\C(=O)C=CC2=CC(=CC=C12)S([O-])(=O)=O)S([O-])(=O)=O

Pricing & Availability
Specifications

CAS	25956-17-6
Molecular Weight (g/mol)	496.42
MDL Number	MFCD00059526
SMILES	[Na+].[Na+].COC1=CC(=C(C)C=C1N\N=C1\C(=O)C=CC2=CC(=CC=C12)S([O-])(=O)=O)S([O-])(=O)=O
IUPAC Name	disodium (5E)-5-[2-(2-methoxy-5-methyl-4-sulfonatophenyl)hydrazin-1-ylidene]-6-oxo-5,6-dihydronaphthalene-2-sulfonate
InChI Key	POXPUHKJGLHZEM-VIPPSAFOSA-L
Molecular Formula	C18H14N2Na2O8S2

1,085

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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

Pricing & Availability
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

1,086

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Thermo Scientific Chemicals Para Red, pure

Molecular Formula: C₁₆H₁₁N₃O₃ MDL Number: MFCD00003908 Synonym: 1-(4-Nitrophenylazo)-2-naphthol

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Specifications

MDL Number	MFCD00003908
Synonym	1-(4-Nitrophenylazo)-2-naphthol
Molecular Formula	C₁₆H₁₁N₃O₃

1,087

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Thermo Scientific Chemicals New Methylene Blue N, zinc chloride double salt, pure

Molecular Formula: ₀·5 ZnCl₂ MDL Number: MFCD00078135 Synonym: Basic Blue 24,C.I. 52030

Pricing & Availability
Specifications

MDL Number	MFCD00078135
Synonym	Basic Blue 24,C.I. 52030
Molecular Formula	₀·5 ZnCl₂

1,088

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Thermo Scientific Chemicals Sudan II, pure

CAS: 3118-97-6 Molecular Formula: C18H16N2O Molecular Weight (g/mol): 276.34 MDL Number: MFCD00003896 InChI Key: YPXOPAFVVHXQDP-ZZEZOPTASA-N Synonym: C.I. 12140,1-(2, 4-Dimethylphenylazo)-2-naphthol,Solvent orange 7 PubChem CID: 5809936 IUPAC Name: (1Z)-1-[(2,4-dimethylphenyl)hydrazinylidene]naphthalen-2-one SMILES: CC1=CC=C(N\N=C2/C(=O)C=CC3=CC=CC=C23)C(C)=C1

Pricing & Availability
Specifications

PubChem CID	5809936
CAS	3118-97-6
Molecular Weight (g/mol)	276.34
MDL Number	MFCD00003896
SMILES	CC1=CC=C(N\N=C2/C(=O)C=CC3=CC=CC=C23)C(C)=C1
Synonym	C.I. 12140,1-(2, 4-Dimethylphenylazo)-2-naphthol,Solvent orange 7
IUPAC Name	(1Z)-1-[(2,4-dimethylphenyl)hydrazinylidene]naphthalen-2-one
InChI Key	YPXOPAFVVHXQDP-ZZEZOPTASA-N
Molecular Formula	C18H16N2O

1,089

Pontamine Blue 5BX, MP Biomedicals

CAS: 2429-74-5 Molecular Formula: C34H24N6Na4O16S4 Molecular Weight (g/mol): 992.79 MDL Number: MFCD00036441 InChI Key: JDCJCNVYTGPGAN-ARWFNKCKSA-J PubChem CID: 6321380 IUPAC Name: tetrasodium (3Z)-5-amino-3-[2-(4'-{2-[(2Z)-8-amino-1-oxo-3,6-disulfonato-1,2-dihydronaphthalen-2-ylidene]hydrazin-1-yl}-3,3'-dimethoxy-[1,1'-biphenyl]-4-yl)hydrazin-1-ylidene]-4-oxo-3,4-dihydronaphthalene-2,7-disulfonate SMILES: [Na+].[Na+].[Na+].[Na+].COC1=CC(=CC=C1N\N=C1\C(=O)C2=C(N)C=C(C=C2C=C1S([O-])(=O)=O)S([O-])(=O)=O)C1=CC=C(N\N=C2\C(=O)C3=C(N)C=C(C=C3C=C2S([O-])(=O)=O)S([O-])(=O)=O)C(OC)=C1

Pricing & Availability
Specifications

PubChem CID	6321380
CAS	2429-74-5
Molecular Weight (g/mol)	992.79
MDL Number	MFCD00036441
SMILES	[Na+].[Na+].[Na+].[Na+].COC1=CC(=CC=C1N\N=C1\C(=O)C2=C(N)C=C(C=C2C=C1S([O-])(=O)=O)S([O-])(=O)=O)C1=CC=C(N\N=C2\C(=O)C3=C(N)C=C(C=C3C=C2S([O-])(=O)=O)S([O-])(=O)=O)C(OC)=C1
IUPAC Name	tetrasodium (3Z)-5-amino-3-[2-(4'-{2-[(2Z)-8-amino-1-oxo-3,6-disulfonato-1,2-dihydronaphthalen-2-ylidene]hydrazin-1-yl}-3,3'-dimethoxy-[1,1'-biphenyl]-4-yl)hydrazin-1-ylidene]-4-oxo-3,4-dihydronaphthalene-2,7-disulfonate
InChI Key	JDCJCNVYTGPGAN-ARWFNKCKSA-J
Molecular Formula	C34H24N6Na4O16S4

1,090

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Thermo Scientific Chemicals Bromophenol Blue, sodium salt, pure, water soluble, indicator

CAS: 62625-28-9 Molecular Formula: C19H9Br4NaO5S Molecular Weight (g/mol): 691.942 MDL Number: MFCD00013793 InChI Key: TWKDJMRHSLWRFI-UHFFFAOYSA-M Synonym: 3',3'',5',5''-Tetrabromophenolsulfonephthalein 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
MDL Number	MFCD00013793
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+]
Synonym	3',3'',5',5''-Tetrabromophenolsulfonephthalein
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

1,091

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Thermo Scientific Chemicals Lissamine Green B, pure

CAS: 3087-16-9 Molecular Formula: C27H25N2NaO7S2 Molecular Weight (g/mol): 576.614 MDL Number: MFCD00012117 InChI Key: WDPIZEKLJKBSOZ-UHFFFAOYSA-M Synonym: Acid Green 50,C.I. 44090,Wool Green S PubChem CID: 91525 IUPAC Name: sodium;4-[[4-(dimethylamino)phenyl]-(4-dimethylazaniumylidenecyclohexa-2,5-dien-1-ylidene)methyl]-3-hydroxynaphthalene-2,7-disulfonate SMILES: CN(C)C1=CC=C(C=C1)C(=C2C=CC(=[N+](C)C)C=C2)C3=C4C=CC(=CC4=CC(=C3O)S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+]

Pricing & Availability
Specifications

PubChem CID	91525
CAS	3087-16-9
Molecular Weight (g/mol)	576.614
MDL Number	MFCD00012117
SMILES	CN(C)C1=CC=C(C=C1)C(=C2C=CC(=[N+](C)C)C=C2)C3=C4C=CC(=CC4=CC(=C3O)S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+]
Synonym	Acid Green 50,C.I. 44090,Wool Green S
IUPAC Name	sodium;4-[[4-(dimethylamino)phenyl]-(4-dimethylazaniumylidenecyclohexa-2,5-dien-1-ylidene)methyl]-3-hydroxynaphthalene-2,7-disulfonate
InChI Key	WDPIZEKLJKBSOZ-UHFFFAOYSA-M
Molecular Formula	C27H25N2NaO7S2

1,092

Novus Biologicals™ Nuclear Fast Red Counterstain

an excellent choice in multiple labeling applications when hematoxylin obscures the substrate colors.

Pricing & Availability

1,093

Trypsin Inhibitor, Corn, MilliporeSigma™

Pricing & Availability

1,094

Toluidine Blue O, Technical Grade, Sigma-Aldrich

Pricing & Availability
Specifications

CAS	92-31-9
Product Type	Toluidine Blue

1,095

CAS	7385-67-3
Molecular Weight (g/mol)	318.37 g/mol
Color	Brown to Green
Grade	Technical

Stains and Dyes

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FD and C Red No. 40, 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 Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Novus Biologicals™ Nuclear Fast Red Counterstain Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

FD and C Red No. 40, Spectrum™ Chemical

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

Novus Biologicals™ Nuclear Fast Red Counterstain