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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1,726 – 1,740 of 7,098 results

1,726

Naphthol Yellow S Hydrate 98.0+%, TCI America™

CAS: 846-70-8 Molecular Formula: C10H4N2Na2O8S Molecular Weight (g/mol): 358.188 MDL Number: MFCD00003958 InChI Key: CTIQLGJVGNGFEW-UHFFFAOYSA-L Synonym: 2,4-Dinitro-1-naphthol-7-sulfonic Acid Disodium Salt, Disodium 2,4-Dinitro-1-naphthol-7-sulfonate, Disodium 8-Hydroxy-5,7-dinitro-2-naphthalenesulfonate, 8-Hydroxy-5,7-dinitro-2-naphthalenesulfonic Acid Disodium Salt, Flavianic Acid Disodium Salt, Acid Ye PubChem CID: 2724063 ChEBI: CHEBI:87219 IUPAC Name: disodium;5,7-dinitro-8-oxidonaphthalene-2-sulfonate SMILES: C1=CC2=C(C=C1S(=O)(=O)[O-])C(=C(C=C2[N+](=O)[O-])[N+](=O)[O-])[O-].[Na+].[Na+]

Pricing & Availability
Specifications

PubChem CID	2724063
CAS	846-70-8
Molecular Weight (g/mol)	358.188
ChEBI	CHEBI:87219
MDL Number	MFCD00003958
SMILES	C1=CC2=C(C=C1S(=O)(=O)[O-])C(=C(C=C2[N+](=O)[O-])[N+](=O)[O-])[O-].[Na+].[Na+]
Synonym	2,4-Dinitro-1-naphthol-7-sulfonic Acid Disodium Salt, Disodium 2,4-Dinitro-1-naphthol-7-sulfonate, Disodium 8-Hydroxy-5,7-dinitro-2-naphthalenesulfonate, 8-Hydroxy-5,7-dinitro-2-naphthalenesulfonic Acid Disodium Salt, Flavianic Acid Disodium Salt, Acid Ye
IUPAC Name	disodium;5,7-dinitro-8-oxidonaphthalene-2-sulfonate
InChI Key	CTIQLGJVGNGFEW-UHFFFAOYSA-L
Molecular Formula	C10H4N2Na2O8S

1,727

Methyl Orange Indicator, 0.1% (w/v), Ricca Chemical

Pricing & Availability
Specifications

Percent Purity	0.1% W/V
CAS	7732-18-5
Color	Orange
Physical Form	Liquid
pH	3 to 4
Packaging	Natural Poly Bottle
Chemical Name or Material	Methyl Orange
Grade	Indicator
Concentration	0.1% (w/v)
Solvent or Matrix	Aqueous Solution

1,728

Murexide, TCI America™

CAS: 3051-09-0 Molecular Formula: C8H3N5O6-2 Molecular Weight (g/mol): 265.141 MDL Number: MFCD00012777 InChI Key: MUMMBXDKKJEASE-UHFFFAOYSA-L Synonym: Ammonium Purpurate PubChem CID: 51381221 IUPAC Name: 6-oxo-5-[(2,4,6-trioxo-1,3-diazinan-5-ylidene)amino]-1H-pyrimidine-2,4-diolate SMILES: C1(=C(N=C(NC1=O)[O-])[O-])N=C2C(=O)NC(=O)NC2=O

Pricing & Availability
Specifications

PubChem CID	51381221
CAS	3051-09-0
Molecular Weight (g/mol)	265.141
MDL Number	MFCD00012777
SMILES	C1(=C(N=C(NC1=O)[O-])[O-])N=C2C(=O)NC(=O)NC2=O
Synonym	Ammonium Purpurate
IUPAC Name	6-oxo-5-[(2,4,6-trioxo-1,3-diazinan-5-ylidene)amino]-1H-pyrimidine-2,4-diolate
InChI Key	MUMMBXDKKJEASE-UHFFFAOYSA-L
Molecular Formula	C8H3N5O6-2

1,729

Sudan R 95.0+%, TCI America™

CAS: 1229-55-6 Molecular Formula: C17H14N2O2 Molecular Weight (g/mol): 278.31 MDL Number: MFCD00046377 InChI Key: BBBYRJLYBLPEBL-ZPHPHTNESA-N Synonym: 1-(2-Methoxyphenylazo)-2-naphthol, Solvent Red 1 PubChem CID: 5910713 IUPAC Name: (1Z)-1-[2-(2-methoxyphenyl)hydrazin-1-ylidene]-1,2-dihydronaphthalen-2-one SMILES: COC1=CC=CC=C1N\N=C1/C(=O)C=CC2=CC=CC=C12

Pricing & Availability
Specifications

PubChem CID	5910713
CAS	1229-55-6
Molecular Weight (g/mol)	278.31
MDL Number	MFCD00046377
SMILES	COC1=CC=CC=C1N\N=C1/C(=O)C=CC2=CC=CC=C12
Synonym	1-(2-Methoxyphenylazo)-2-naphthol, Solvent Red 1
IUPAC Name	(1Z)-1-[2-(2-methoxyphenyl)hydrazin-1-ylidene]-1,2-dihydronaphthalen-2-one
InChI Key	BBBYRJLYBLPEBL-ZPHPHTNESA-N
Molecular Formula	C17H14N2O2

1,730

Methylene Blue Hydrate 70.0+%, TCI America™

CAS: 61-73-4 Molecular Formula: C16H18ClN3S Molecular Weight (g/mol): 319.851 MDL Number: MFCD00012111 InChI Key: CXKWCBBOMKCUKX-UHFFFAOYSA-M Synonym: 3,7-Bis(dimethylamino)-5-phenothiazinium Chloride, Basic Blue 9 PubChem CID: 6099 ChEBI: CHEBI:6872 IUPAC Name: [7-(dimethylamino)phenothiazin-3-ylidene]-dimethylazanium;chloride SMILES: CN(C)C1=CC2=C(C=C1)N=C3C=CC(=[N+](C)C)C=C3S2.[Cl-]

Pricing & Availability
Specifications

PubChem CID	6099
CAS	61-73-4
Molecular Weight (g/mol)	319.851
ChEBI	CHEBI:6872
MDL Number	MFCD00012111
SMILES	CN(C)C1=CC2=C(C=C1)N=C3C=CC(=[N+](C)C)C=C3S2.[Cl-]
Synonym	3,7-Bis(dimethylamino)-5-phenothiazinium Chloride, Basic Blue 9
IUPAC Name	[7-(dimethylamino)phenothiazin-3-ylidene]-dimethylazanium;chloride
InChI Key	CXKWCBBOMKCUKX-UHFFFAOYSA-M
Molecular Formula	C16H18ClN3S

1,731

Calcein Blue 98.0+%, TCI America™

CAS: 54375-47-2 Molecular Formula: C15H15NO7 Molecular Weight (g/mol): 321.285 MDL Number: MFCD00006867 InChI Key: RJPSHDMGSVVHFA-UHFFFAOYSA-N Synonym: 4-Methylumbelliferonemethyleneiminodiacetic Acid, Umbelliferone Complexon PubChem CID: 5393133 IUPAC Name: 2-[carboxymethyl-[(7-hydroxy-4-methyl-2-oxochromen-8-yl)methyl]amino]acetic acid SMILES: CC1=CC(=O)OC2=C1C=CC(=C2CN(CC(=O)O)CC(=O)O)O

Pricing & Availability
Specifications

PubChem CID	5393133
CAS	54375-47-2
Molecular Weight (g/mol)	321.285
MDL Number	MFCD00006867
SMILES	CC1=CC(=O)OC2=C1C=CC(=C2CN(CC(=O)O)CC(=O)O)O
Synonym	4-Methylumbelliferonemethyleneiminodiacetic Acid, Umbelliferone Complexon
IUPAC Name	2-[carboxymethyl-[(7-hydroxy-4-methyl-2-oxochromen-8-yl)methyl]amino]acetic acid
InChI Key	RJPSHDMGSVVHFA-UHFFFAOYSA-N
Molecular Formula	C15H15NO7

1,732

Wright's Stain [for Microscopy and Bacteriology], TCI America™

CAS: 68988-92-1 Molecular Formula: C36H27Br4N3O5S+2 Molecular Weight (g/mol): 933.304 MDL Number: MFCD00082143 InChI Key: AXIKDPDWFVPGOD-UHFFFAOYSA-O PubChem CID: 25113599 IUPAC Name: [7-(dimethylamino)phenothiazin-3-ylidene]-dimethylazanium;2-(2,4,5,7-tetrabromo-3,6-dihydroxyxanthen-10-ium-9-yl)benzoic acid SMILES: CN(C)C1=CC2=C(C=C1)N=C3C=CC(=[N+](C)C)C=C3S2.C1=CC=C(C(=C1)C2=C3C=C(C(=C(C3=[O+]C4=C(C(=C(C=C24)Br)O)Br)Br)O)Br)C(=O)O

Pricing & Availability
Specifications

PubChem CID	25113599
CAS	68988-92-1
Molecular Weight (g/mol)	933.304
MDL Number	MFCD00082143
SMILES	CN(C)C1=CC2=C(C=C1)N=C3C=CC(=[N+](C)C)C=C3S2.C1=CC=C(C(=C1)C2=C3C=C(C(=C(C3=[O+]C4=C(C(=C(C=C24)Br)O)Br)Br)O)Br)C(=O)O
IUPAC Name	[7-(dimethylamino)phenothiazin-3-ylidene]-dimethylazanium;2-(2,4,5,7-tetrabromo-3,6-dihydroxyxanthen-10-ium-9-yl)benzoic acid
InChI Key	AXIKDPDWFVPGOD-UHFFFAOYSA-O
Molecular Formula	C36H27Br4N3O5S+2

1,733

Janus Green B, TCI America™

CAS: 2869-83-2 Molecular Formula: C30H31ClN6 Molecular Weight (g/mol): 511.07 MDL Number: MFCD00011758 InChI Key: XXACTDWGHQXLGW-UHFFFAOYSA-M PubChem CID: 76123 ChEBI: CHEBI:21184 IUPAC Name: 3-(diethylamino)-7-{2-[4-(dimethylamino)phenyl]diazen-1-yl}-5-phenyl-5λ⁵-phenazin-5-ylium chloride SMILES: [Cl-].CCN(CC)C1=CC=C2N=C3C=CC(=CC3=[N+](C3=CC=CC=C3)C2=C1)N=NC1=CC=C(C=C1)N(C)C

Pricing & Availability
Specifications

PubChem CID	76123
CAS	2869-83-2
Molecular Weight (g/mol)	511.07
ChEBI	CHEBI:21184
MDL Number	MFCD00011758
SMILES	[Cl-].CCN(CC)C1=CC=C2N=C3C=CC(=CC3=[N+](C3=CC=CC=C3)C2=C1)N=NC1=CC=C(C=C1)N(C)C
IUPAC Name	3-(diethylamino)-7-{2-[4-(dimethylamino)phenyl]diazen-1-yl}-5-phenyl-5λ⁵-phenazin-5-ylium chloride
InChI Key	XXACTDWGHQXLGW-UHFFFAOYSA-M
Molecular Formula	C30H31ClN6

1,734

Acid Green 5, TCI America™

CAS: 5141-20-8 Molecular Formula: C37H34N2Na2O9S3 Molecular Weight (g/mol): 792.844 MDL Number: MFCD00012121 InChI Key: DGOBMKYRQHEFGQ-UHFFFAOYSA-L Synonym: Acid Green GG, Guinea Green 2G, Light Green SF Yellowish, Lissamine Green SF PubChem CID: 21223 ChEBI: CHEBI:87065 IUPAC Name: disodium;3-[[N-ethyl-4-[[4-[ethyl-[(3-sulfonatophenyl)methyl]azaniumylidene]cyclohexa-2,5-dien-1-ylidene]-(4-sulfonatophenyl)methyl]anilino]methyl]benzenesulfonate SMILES: CCN(CC1=CC(=CC=C1)S(=O)(=O)[O-])C2=CC=C(C=C2)C(=C3C=CC(=[N+](CC)CC4=CC(=CC=C4)S(=O)(=O)[O-])C=C3)C5=CC=C(C=C5)S(=O)(=O)[O-].[Na+].[Na+]

Pricing & Availability
Specifications

PubChem CID	21223
CAS	5141-20-8
Molecular Weight (g/mol)	792.844
ChEBI	CHEBI:87065
MDL Number	MFCD00012121
SMILES	CCN(CC1=CC(=CC=C1)S(=O)(=O)[O-])C2=CC=C(C=C2)C(=C3C=CC(=[N+](CC)CC4=CC(=CC=C4)S(=O)(=O)[O-])C=C3)C5=CC=C(C=C5)S(=O)(=O)[O-].[Na+].[Na+]
Synonym	Acid Green GG, Guinea Green 2G, Light Green SF Yellowish, Lissamine Green SF
IUPAC Name	disodium;3-[[N-ethyl-4-[[4-[ethyl-[(3-sulfonatophenyl)methyl]azaniumylidene]cyclohexa-2,5-dien-1-ylidene]-(4-sulfonatophenyl)methyl]anilino]methyl]benzenesulfonate
InChI Key	DGOBMKYRQHEFGQ-UHFFFAOYSA-L
Molecular Formula	C37H34N2Na2O9S3

1,735

Lithol Rubin BCA 85.0+%, TCI America™

CAS: 5281-04-9 Molecular Formula: C18H12CaN2O6S Molecular Weight (g/mol): 424.44 MDL Number: MFCD00059529 InChI Key: WANIKCLUTOABTP-LRZQPWDCSA-L Synonym: Brilliant Carmine 6B, Pigment Red 57 PubChem CID: 121233252 IUPAC Name: calcium;(4Z)-4-[(4-methyl-2-sulfonatophenyl)hydrazinylidene]-3-oxonaphthalene-2-carboxylate SMILES: CC1=CC(=C(C=C1)NN=C2C3=CC=CC=C3C=C(C2=O)C(=O)[O-])S(=O)(=O)[O-].[Ca].[Ca]

Pricing & Availability
Specifications

PubChem CID	121233252
CAS	5281-04-9
Molecular Weight (g/mol)	424.44
MDL Number	MFCD00059529
SMILES	CC1=CC(=C(C=C1)NN=C2C3=CC=CC=C3C=C(C2=O)C(=O)[O-])S(=O)(=O)[O-].[Ca].[Ca]
Synonym	Brilliant Carmine 6B, Pigment Red 57
IUPAC Name	calcium;(4Z)-4-[(4-methyl-2-sulfonatophenyl)hydrazinylidene]-3-oxonaphthalene-2-carboxylate
InChI Key	WANIKCLUTOABTP-LRZQPWDCSA-L
Molecular Formula	C18H12CaN2O6S

1,736

Metacresol Purple, TCI America™

CAS: 2303-01-7 Molecular Formula: C21H18O5S Molecular Weight (g/mol): 382.43 MDL Number: MFCD00005871 InChI Key: OLQIKGSZDTXODA-UHFFFAOYSA-N Synonym: m-Cresol Purple PubChem CID: 73030 IUPAC Name: 4-[3-(4-hydroxy-2-methylphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]-3-methylphenol SMILES: CC1=C(C=CC(=C1)O)C2(C3=CC=CC=C3S(=O)(=O)O2)C4=C(C=C(C=C4)O)C

Pricing & Availability
Specifications

PubChem CID	73030
CAS	2303-01-7
Molecular Weight (g/mol)	382.43
MDL Number	MFCD00005871
SMILES	CC1=C(C=CC(=C1)O)C2(C3=CC=CC=C3S(=O)(=O)O2)C4=C(C=C(C=C4)O)C
Synonym	m-Cresol Purple
IUPAC Name	4-[3-(4-hydroxy-2-methylphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]-3-methylphenol
InChI Key	OLQIKGSZDTXODA-UHFFFAOYSA-N
Molecular Formula	C21H18O5S

1,737

Methyl Red - Methylene Blue Solution (Ethanol Soln.) [mixed Indicator], TCI America™

MDL Number: MFCD00079686 Synonym: Methylene Blue - Methyl Red Solution

Pricing & Availability
Specifications

MDL Number	MFCD00079686
Synonym	Methylene Blue - Methyl Red Solution

1,738

Methylene Blue, Reagent Grade, LabChem™

Pricing & Availability

1,739

Indicator Solution, For Cyanide, Certified, LabChem™

Pricing & Availability

1,740

Methyl Red, 0.02% Aqueous, pH 4.2 to 6.3 Pink to Yellow, Certified, LabChem™

CAS: 845-10-3 Molecular Formula: C15H14N3NaO2 Molecular Weight (g/mol): 291.286 InChI Key: GNTPCYMJCJNRQB-UHFFFAOYSA-M PubChem CID: 4465632 IUPAC Name: sodium;2-[[4-(dimethylamino)phenyl]diazenyl]benzoate SMILES: CN(C)C1=CC=C(C=C1)N=NC2=CC=CC=C2C(=O)[O-].[Na+]

Pricing & Availability
Specifications

PubChem CID	4465632
CAS	845-10-3
Molecular Weight (g/mol)	291.286
SMILES	CN(C)C1=CC=C(C=C1)N=NC2=CC=CC=C2C(=O)[O-].[Na+]
IUPAC Name	sodium;2-[[4-(dimethylamino)phenyl]diazenyl]benzoate
InChI Key	GNTPCYMJCJNRQB-UHFFFAOYSA-M
Molecular Formula	C15H14N3NaO2

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