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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1,171 – 1,185 of 7,126 results

1,171

Evans Blue 80.0+%, TCI America™

CAS: 314-13-6 Molecular Formula: C34H24N6Na4O14S4 Molecular Weight (g/mol): 960.79 MDL Number: MFCD00004021 InChI Key: KBNIFDASRCWYGC-GXNXWABVSA-J 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
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

1,172

Bromothymol Blue Indicator, 0.04% (w/v), Ricca Chemical

For Glassware Residue Detection

Pricing & Availability
Specifications

Percent Purity	0.04% W/V
CAS	7732-18-5
Color	Dark Blue
pH	6.70 to 6.90
Packaging	Natural Poly Bottle
Grade	Indicator

1,173

Methyl Orange, 0.1% Aqueous, pH 3.2 to 4.4 Red to Yellow, LabChem™

CAS: 547-58-0 Molecular Formula: C14H14N3NaO3S Molecular Weight (g/mol): 327.334 InChI Key: STZCRXQWRGQSJD-UHFFFAOYSA-M PubChem CID: 23673835 IUPAC Name: sodium;4-[[4-(dimethylamino)phenyl]diazenyl]benzenesulfonate SMILES: CN(C)C1=CC=C(C=C1)N=NC2=CC=C(C=C2)S(=O)(=O)[O-].[Na+]

Pricing & Availability
Specifications

PubChem CID	23673835
CAS	547-58-0
Molecular Weight (g/mol)	327.334
SMILES	CN(C)C1=CC=C(C=C1)N=NC2=CC=C(C=C2)S(=O)(=O)[O-].[Na+]
IUPAC Name	sodium;4-[[4-(dimethylamino)phenyl]diazenyl]benzenesulfonate
InChI Key	STZCRXQWRGQSJD-UHFFFAOYSA-M
Molecular Formula	C14H14N3NaO3S

1,174

Metacresol Purple Sodium Salt, TCI America™

CAS: 62625-31-4 Molecular Formula: C21H18O5S MDL Number: MFCD00010177 Synonym: m-Cresol Purple Sodium Salt, Sodium m-Cresol Purple, Sodium Metacresol Purple

Pricing & Availability
Specifications

CAS	62625-31-4
MDL Number	MFCD00010177
Synonym	m-Cresol Purple Sodium Salt, Sodium m-Cresol Purple, Sodium Metacresol Purple
Molecular Formula	C21H18O5S

1,175

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

1,176

Crystal Violet Solution R, EP Reagent 1022901, Ricca Chemical

CAS: 64-19-7 Molecular Formula: C2H4O2 Molecular Weight (g/mol): Mixture MDL Number: MFCD00036152 InChI Key: QTBSBXVTEAMEQO-UHFFFAOYSA-N PubChem CID: 176 ChEBI: CHEBI:15366 IUPAC Name: acetic acid SMILES: CC(O)=O

Pricing & Availability
Specifications

PubChem CID	176
CAS	64-19-7
Molecular Weight (g/mol)	Mixture
ChEBI	CHEBI:15366
MDL Number	MFCD00036152
SMILES	CC(O)=O
IUPAC Name	acetic acid
InChI Key	QTBSBXVTEAMEQO-UHFFFAOYSA-N
Molecular Formula	C2H4O2

1,177

Malachite Green, Oxalate 95.0+%, TCI America™

CAS: 2437-29-8 Molecular Formula: C52H54N4O12 Molecular Weight (g/mol): 927.02 MDL Number: MFCD00011766,MFCD00151209 InChI Key: CNYGFPPAGUCRIC-UHFFFAOYSA-L Synonym: Basic Green 4 PubChem CID: 2724411 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

Pricing & Availability
Specifications

PubChem CID	2724411
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	Basic Green 4
IUPAC Name	bis(bis[4-(dimethylamino)phenyl](phenyl)methylium) oxalic acid dihydrogen oxalate
InChI Key	CNYGFPPAGUCRIC-UHFFFAOYSA-L
Molecular Formula	C52H54N4O12

1,178

Bromopyrogallol Red, TCI America™

CAS: 16574-43-9 Molecular Formula: C19H10Br2O8S Molecular Weight (g/mol): 558.15 MDL Number: MFCD00148865 InChI Key: QFXYYBXMARTXHI-UHFFFAOYSA-N Synonym: Dibromopyrogallolsulfonphthaleine PubChem CID: 85495 IUPAC Name: 2',7'-dibromo-3',4',5',6'-tetrahydroxyspiro[2,1λ⁶-benzoxathiole-3,9'-xanthene]-1,1-dione SMILES: OC1=C(O)C2=C(C=C1Br)C1(OS(=O)(=O)C3=CC=CC=C13)C1=CC(Br)=C(O)C(O)=C1O2

Pricing & Availability
Specifications

PubChem CID	85495
CAS	16574-43-9
Molecular Weight (g/mol)	558.15
MDL Number	MFCD00148865
SMILES	OC1=C(O)C2=C(C=C1Br)C1(OS(=O)(=O)C3=CC=CC=C13)C1=CC(Br)=C(O)C(O)=C1O2
Synonym	Dibromopyrogallolsulfonphthaleine
IUPAC Name	2',7'-dibromo-3',4',5',6'-tetrahydroxyspiro[2,1λ⁶-benzoxathiole-3,9'-xanthene]-1,1-dione
InChI Key	QFXYYBXMARTXHI-UHFFFAOYSA-N
Molecular Formula	C19H10Br2O8S

1,179

CAS	1787-61-7
Physical Form	Powder
CAS Min %	0.98
Chemical Name or Material	Total Hardness Indicator
CAS Max %	1.02

1,180

Quinaldine Red 95.0+%, TCI America™

CAS: 117-92-0 Molecular Formula: C21H23IN2 Molecular Weight (g/mol): 430.33 MDL Number: MFCD00011968 InChI Key: JOLANDVPGMEGLK-UHFFFAOYSA-M PubChem CID: 5702759 IUPAC Name: 2-{2-[4-(dimethylamino)phenyl]ethenyl}-1-ethylquinolin-1-ium iodide SMILES: [I-].CC[N+]1=C2C=CC=CC2=CC=C1C=CC1=CC=C(C=C1)N(C)C

Pricing & Availability
Specifications

PubChem CID	5702759
CAS	117-92-0
Molecular Weight (g/mol)	430.33
MDL Number	MFCD00011968
SMILES	[I-].CC[N+]1=C2C=CC=CC2=CC=C1C=CC1=CC=C(C=C1)N(C)C
IUPAC Name	2-{2-[4-(dimethylamino)phenyl]ethenyl}-1-ethylquinolin-1-ium iodide
InChI Key	JOLANDVPGMEGLK-UHFFFAOYSA-M
Molecular Formula	C21H23IN2

1,181

Coomassie Brilliant Blue R-250 [for Electrophoresis], TCI America™

CAS: 6104-59-2 Molecular Formula: C45H44N3NaO7S2 Molecular Weight (g/mol): 825.97 MDL Number: MFCD00041762 InChI Key: HAEGGLCXLFWTBE-UHFFFAOYSA-M Synonym: Acid Cyanine 6B, Alizarin Rubinol 5G, Solar Cyanine 6B, Acid Blue 83, Brilliant Blue R, CBB R-250 PubChem CID: 61365 IUPAC Name: sodium {4-[(4-ethoxyphenyl)amino]phenyl}bis(4-{ethyl[(3-sulfonatophenyl)methyl]amino}phenyl)methylium SMILES: [Na+].CCOC1=CC=C(NC2=CC=C(C=C2)[C+](C2=CC=C(C=C2)N(CC)CC2=CC=CC(=C2)S([O-])(=O)=O)C2=CC=C(C=C2)N(CC)CC2=CC=CC(=C2)S([O-])(=O)=O)C=C1

Pricing & Availability
Specifications

PubChem CID	61365
CAS	6104-59-2
Molecular Weight (g/mol)	825.97
MDL Number	MFCD00041762
SMILES	[Na+].CCOC1=CC=C(NC2=CC=C(C=C2)[C+](C2=CC=C(C=C2)N(CC)CC2=CC=CC(=C2)S([O-])(=O)=O)C2=CC=C(C=C2)N(CC)CC2=CC=CC(=C2)S([O-])(=O)=O)C=C1
Synonym	Acid Cyanine 6B, Alizarin Rubinol 5G, Solar Cyanine 6B, Acid Blue 83, Brilliant Blue R, CBB R-250
IUPAC Name	sodium {4-[(4-ethoxyphenyl)amino]phenyl}bis(4-{ethyl[(3-sulfonatophenyl)methyl]amino}phenyl)methylium
InChI Key	HAEGGLCXLFWTBE-UHFFFAOYSA-M
Molecular Formula	C45H44N3NaO7S2

1,182

Food Blue No. 1, TCI America™

CAS: 3844-45-9 Molecular Formula: C37H34N2Na2O9S3 Molecular Weight (g/mol): 792.844 MDL Number: MFCD00012141 InChI Key: SGHZXLIDFTYFHQ-UHFFFAOYSA-L PubChem CID: 19700 ChEBI: CHEBI:82411 IUPAC Name: disodium;2-[[4-[ethyl-[(3-sulfonatophenyl)methyl]amino]phenyl]-[4-[ethyl-[(3-sulfonatophenyl)methyl]azaniumylidene]cyclohexa-2,5-dien-1-ylidene]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=CC=C5S(=O)(=O)[O-].[Na+].[Na+]

Pricing & Availability
Specifications

PubChem CID	19700
CAS	3844-45-9
Molecular Weight (g/mol)	792.844
ChEBI	CHEBI:82411
MDL Number	MFCD00012141
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=CC=C5S(=O)(=O)[O-].[Na+].[Na+]
IUPAC Name	disodium;2-[[4-[ethyl-[(3-sulfonatophenyl)methyl]amino]phenyl]-[4-[ethyl-[(3-sulfonatophenyl)methyl]azaniumylidene]cyclohexa-2,5-dien-1-ylidene]methyl]benzenesulfonate
InChI Key	SGHZXLIDFTYFHQ-UHFFFAOYSA-L
Molecular Formula	C37H34N2Na2O9S3

1,183

Bromophenol Blue, 0.1% 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

1,184

Acid Red 289, TCI America™

CAS: 12220-28-9 Molecular Formula: C35H29N2NaO7S2 Molecular Weight (g/mol): 676.734 InChI Key: MLYDRRZQNRGWEQ-UHFFFAOYSA-M PubChem CID: 92043221 IUPAC Name: sodium;3-[[6-(2,6-dimethylphenyl)azaniumylidene-9-(2-sulfonatophenyl)xanthen-3-yl]amino]-2,4-dimethylbenzenesulfonate SMILES: CC1=C(C(=CC=C1)C)[NH+]=C2C=CC3=C(C4=C(C=C(C=C4)NC5=C(C=CC(=C5C)S(=O)(=O)[O-])C)OC3=C2)C6=CC=CC=C6S(=O)(=O)[O-].[Na+]

Pricing & Availability
Specifications

PubChem CID	92043221
CAS	12220-28-9
Molecular Weight (g/mol)	676.734
SMILES	CC1=C(C(=CC=C1)C)[NH+]=C2C=CC3=C(C4=C(C=C(C=C4)NC5=C(C=CC(=C5C)S(=O)(=O)[O-])C)OC3=C2)C6=CC=CC=C6S(=O)(=O)[O-].[Na+]
IUPAC Name	sodium;3-[[6-(2,6-dimethylphenyl)azaniumylidene-9-(2-sulfonatophenyl)xanthen-3-yl]amino]-2,4-dimethylbenzenesulfonate
InChI Key	MLYDRRZQNRGWEQ-UHFFFAOYSA-M
Molecular Formula	C35H29N2NaO7S2

1,185

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

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