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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1,366 – 1,380 of 7,098 results

1,366

Indigo Carmine (FD&C Blue #2), Ricca Chemical

Pricing & Availability
Specifications

Color	Dark Blue
Chemical Name or Material	Indigo Carmine
Grade	Laboratory

1,367

Methyl Orange Sodium Salt, ACS Reagent Grade, Ricca Chemical

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

1,368

Thymol Blue Sodium Salt, ACS Reagent Grade, Ricca Chemical

CAS: 62625-21-2 Molecular Formula: C27H29NaO5S Molecular Weight (g/mol): 488.57 MDL Number: MFCD00151093 InChI Key: OCMIKNBSIRSUPI-FRWNMSGJSA-M PubChem CID: 23692293 IUPAC Name: sodium 2-{[4-hydroxy-2-methyl-5-(propan-2-yl)phenyl][(1E)-2-methyl-4-oxo-5-(propan-2-yl)cyclohexa-2,5-dien-1-ylidene]methyl}benzene-1-sulfonate SMILES: [Na+].CC(C)C1=C\C(=C(\C2=CC(C(C)C)=C(O)C=C2C)C2=C(C=CC=C2)S([O-])(=O)=O)C(C)=CC1=O

Pricing & Availability
Specifications

PubChem CID	23692293
CAS	62625-21-2
Molecular Weight (g/mol)	488.57
MDL Number	MFCD00151093
SMILES	[Na+].CC(C)C1=C\C(=C(\C2=CC(C(C)C)=C(O)C=C2C)C2=C(C=CC=C2)S([O-])(=O)=O)C(C)=CC1=O
IUPAC Name	sodium 2-{[4-hydroxy-2-methyl-5-(propan-2-yl)phenyl][(1E)-2-methyl-4-oxo-5-(propan-2-yl)cyclohexa-2,5-dien-1-ylidene]methyl}benzene-1-sulfonate
InChI Key	OCMIKNBSIRSUPI-FRWNMSGJSA-M
Molecular Formula	C27H29NaO5S

1,369

Yoshimulactone Green (YLG) 98.0+%, TCI America™

CAS: 1807549-00-3 Molecular Formula: C27H20O7 Molecular Weight (g/mol): 456.45 MDL Number: MFCD29472531 InChI Key: CHRFZINIRYDHJV-UHFFFAOYNA-N Synonym: 2-[6-[(2,5-Dihydro-4-methyl-5-oxo-2-furanyl)oxy]-3-oxo-3H-xanthen-9-yl]benzoic Acid Ethyl Ester, Ethyl 2-[6-[(2,5-Dihydro-4-methyl-5-oxo-2-furanyl)oxy]-3-oxo-3H-xanthen-9-yl]benzoate PubChem CID: 131637025 IUPAC Name: ethyl 2-{6-[(4-methyl-5-oxo-2,5-dihydrofuran-2-yl)oxy]-3-oxo-3H-xanthen-9-yl}benzoate SMILES: CCOC(=O)C1=CC=CC=C1C1=C2C=CC(=O)C=C2OC2=CC(OC3OC(=O)C(C)=C3)=CC=C12

Pricing & Availability
Specifications

PubChem CID	131637025
CAS	1807549-00-3
Molecular Weight (g/mol)	456.45
MDL Number	MFCD29472531
SMILES	CCOC(=O)C1=CC=CC=C1C1=C2C=CC(=O)C=C2OC2=CC(OC3OC(=O)C(C)=C3)=CC=C12
Synonym	2-[6-[(2,5-Dihydro-4-methyl-5-oxo-2-furanyl)oxy]-3-oxo-3H-xanthen-9-yl]benzoic Acid Ethyl Ester, Ethyl 2-[6-[(2,5-Dihydro-4-methyl-5-oxo-2-furanyl)oxy]-3-oxo-3H-xanthen-9-yl]benzoate
IUPAC Name	ethyl 2-{6-[(4-methyl-5-oxo-2,5-dihydrofuran-2-yl)oxy]-3-oxo-3H-xanthen-9-yl}benzoate
InChI Key	CHRFZINIRYDHJV-UHFFFAOYNA-N
Molecular Formula	C27H20O7

1,370

Nitro Blue Tetrazolium 98.0+%, TCI America™

CAS: 298-83-9 Molecular Formula: C40H30Cl2N10O6 Molecular Weight (g/mol): 817.644 MDL Number: MFCD00012159 InChI Key: FSVCQIDHPKZJSO-UHFFFAOYSA-L Synonym: 2,2′C-Di-p-nitrophenyl-5,5′C-diphenyl-(3,3′C-dimethoxy)-4,4′C-bisphenyleneditetrazolium 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-]

Pricing & Availability
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	2,2′C-Di-p-nitrophenyl-5,5′C-diphenyl-(3,3′C-dimethoxy)-4,4′C-bisphenyleneditetrazolium 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

1,371

Methyl Violet, Ricca Chemical

CAS: 8004-87-3 Molecular Weight (g/mol): 393.95 g/mol

Pricing & Availability
Specifications

CAS	8004-87-3
Molecular Weight (g/mol)	393.95 g/mol

1,372

Thymolphthalein, ACS Reagent Grade, Ricca Chemical

CAS: 125-20-2 Molecular Formula: C28H30O4 Molecular Weight (g/mol): 430.544 InChI Key: LDKDGDIWEUUXSH-UHFFFAOYSA-N PubChem CID: 31316 IUPAC Name: 3,3-bis(4-hydroxy-2-methyl-5-propan-2-ylphenyl)-2-benzofuran-1-one SMILES: CC1=CC(=C(C=C1C2(C3=CC=CC=C3C(=O)O2)C4=CC(=C(C=C4C)O)C(C)C)C(C)C)O

Pricing & Availability
Specifications

PubChem CID	31316
CAS	125-20-2
Molecular Weight (g/mol)	430.544
SMILES	CC1=CC(=C(C=C1C2(C3=CC=CC=C3C(=O)O2)C4=CC(=C(C=C4C)O)C(C)C)C(C)C)O
IUPAC Name	3,3-bis(4-hydroxy-2-methyl-5-propan-2-ylphenyl)-2-benzofuran-1-one
InChI Key	LDKDGDIWEUUXSH-UHFFFAOYSA-N
Molecular Formula	C28H30O4

1,373

Alizarin Red S, Ricca Chemical

CAS: 130-22-3 Molecular Formula: C14H7NaO7S Molecular Weight (g/mol): 342.253 InChI Key: HFVAFDPGUJEFBQ-UHFFFAOYSA-M PubChem CID: 3955344 ChEBI: CHEBI:87358 IUPAC Name: sodium;3,4-dihydroxy-9,10-dioxoanthracene-2-sulfonate SMILES: C1=CC=C2C(=C1)C(=O)C3=CC(=C(C(=C3C2=O)O)O)S(=O)(=O)[O-].[Na+]

Pricing & Availability
Specifications

PubChem CID	3955344
CAS	130-22-3
Molecular Weight (g/mol)	342.253
ChEBI	CHEBI:87358
SMILES	C1=CC=C2C(=C1)C(=O)C3=CC(=C(C(=C3C2=O)O)O)S(=O)(=O)[O-].[Na+]
IUPAC Name	sodium;3,4-dihydroxy-9,10-dioxoanthracene-2-sulfonate
InChI Key	HFVAFDPGUJEFBQ-UHFFFAOYSA-M
Molecular Formula	C14H7NaO7S

1,374

Methyl Red Indicator, 0.02% (w/v) in Methanol, Ricca Chemical

Pricing & Availability
Specifications

Concentration or Composition (by Analyte or Components)	0.02% (w/v) in Methanol
Percent Purity	0.02% W/V
CAS	493-52-7
Color	Red
Packaging	Natural Poly Bottle
Chemical Name or Material	Methyl Red Indicator
Grade	Indicator

1,375

Ethyl Violet 98.0+%, TCI America™

CAS: 2390-59-2 Molecular Formula: C31H42ClN3 Molecular Weight (g/mol): 492.15 MDL Number: MFCD00011765 InChI Key: JVICFMRAVNKDOE-UHFFFAOYSA-M Synonym: Basic Violet 4 PubChem CID: 16955 IUPAC Name: tris[4-(diethylamino)phenyl]methylium chloride SMILES: [Cl-].CCN(CC)C1=CC=C(C=C1)[C+](C1=CC=C(C=C1)N(CC)CC)C1=CC=C(C=C1)N(CC)CC

Pricing & Availability
Specifications

PubChem CID	16955
CAS	2390-59-2
Molecular Weight (g/mol)	492.15
MDL Number	MFCD00011765
SMILES	[Cl-].CCN(CC)C1=CC=C(C=C1)[C+](C1=CC=C(C=C1)N(CC)CC)C1=CC=C(C=C1)N(CC)CC
Synonym	Basic Violet 4
IUPAC Name	tris[4-(diethylamino)phenyl]methylium chloride
InChI Key	JVICFMRAVNKDOE-UHFFFAOYSA-M
Molecular Formula	C31H42ClN3

1,376

Bromocresol Purple (0.04% in Water) [for pH Determination], TCI America™

CAS: 115-40-2 Molecular Formula: C21H16Br2O5S Molecular Weight (g/mol): 540.22 MDL Number: MFCD00011681 InChI Key: ABIUHPWEYMSGSR-UHFFFAOYSA-N PubChem CID: 8273 ChEBI: CHEBI:86154 IUPAC Name: 3,3-bis(3-bromo-4-hydroxy-5-methylphenyl)-3H-2,1λ⁶-benzoxathiole-1,1-dione SMILES: CC1=CC(=CC(Br)=C1O)C1(OS(=O)(=O)C2=CC=CC=C12)C1=CC(C)=C(O)C(Br)=C1

Pricing & Availability
Specifications

PubChem CID	8273
CAS	115-40-2
Molecular Weight (g/mol)	540.22
ChEBI	CHEBI:86154
MDL Number	MFCD00011681
SMILES	CC1=CC(=CC(Br)=C1O)C1(OS(=O)(=O)C2=CC=CC=C12)C1=CC(C)=C(O)C(Br)=C1
IUPAC Name	3,3-bis(3-bromo-4-hydroxy-5-methylphenyl)-3H-2,1λ⁶-benzoxathiole-1,1-dione
InChI Key	ABIUHPWEYMSGSR-UHFFFAOYSA-N
Molecular Formula	C21H16Br2O5S

1,377

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

MDL Number: MFCD00134126 Synonym: Methyl Red - Bromocresol Green Solution

Pricing & Availability
Specifications

MDL Number	MFCD00134126
Synonym	Methyl Red - Bromocresol Green Solution

1,378

Leuco Malachite Green 98.0+%, TCI America™

CAS: 129-73-7 Molecular Formula: C23H26N2 Molecular Weight (g/mol): 330.475 MDL Number: MFCD00008315 InChI Key: WZKXBGJNNCGHIC-UHFFFAOYSA-N PubChem CID: 67215 IUPAC Name: 4-[[4-(dimethylamino)phenyl]-phenylmethyl]-N,N-dimethylaniline SMILES: CN(C)C1=CC=C(C=C1)C(C2=CC=CC=C2)C3=CC=C(C=C3)N(C)C

Pricing & Availability
Specifications

PubChem CID	67215
CAS	129-73-7
Molecular Weight (g/mol)	330.475
MDL Number	MFCD00008315
SMILES	CN(C)C1=CC=C(C=C1)C(C2=CC=CC=C2)C3=CC=C(C=C3)N(C)C
IUPAC Name	4-[[4-(dimethylamino)phenyl]-phenylmethyl]-N,N-dimethylaniline
InChI Key	WZKXBGJNNCGHIC-UHFFFAOYSA-N
Molecular Formula	C23H26N2

1,379

Bindschedler's Green Leuco Base 98.0+%, TCI America™

CAS: 637-31-0 Molecular Formula: C16H21N3 Molecular Weight (g/mol): 255.365 MDL Number: MFCD00059291 InChI Key: ZPGZNKGKCSYBGK-UHFFFAOYSA-N PubChem CID: 69473 IUPAC Name: 1-N-[4-(dimethylamino)phenyl]-4-N,4-N-dimethylbenzene-1,4-diamine SMILES: CN(C)C1=CC=C(C=C1)NC2=CC=C(C=C2)N(C)C

Pricing & Availability
Specifications

PubChem CID	69473
CAS	637-31-0
Molecular Weight (g/mol)	255.365
MDL Number	MFCD00059291
SMILES	CN(C)C1=CC=C(C=C1)NC2=CC=C(C=C2)N(C)C
IUPAC Name	1-N-[4-(dimethylamino)phenyl]-4-N,4-N-dimethylbenzene-1,4-diamine
InChI Key	ZPGZNKGKCSYBGK-UHFFFAOYSA-N
Molecular Formula	C16H21N3

1,380

Phenolphthalein Solution R, 0.1% (w/v) in 80% (v/v) Alcohol, Ricca Chemical

Pricing & Availability
Specifications

CAS	67-56-1
Color	Colorless to Pink
pH	8
Packaging	Natural Poly Bottle
CAS Min %	3.0
Grade	Indicator
CAS Max %	5.0

Stains and Dyes

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