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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1,261 – 1,275 of 7,098 results

1,261

Food Yellow No. 5, TCI America™

CAS: 2783-94-0 Molecular Formula: C16H10N2Na2O7S2 Molecular Weight (g/mol): 452.363 MDL Number: MFCD00036437 InChI Key: TXVRKNUZLYFDTJ-UHFFFAOYSA-L PubChem CID: 6850717 IUPAC Name: disodium;6-oxo-5-[(4-sulfonatophenyl)hydrazinylidene]naphthalene-2-sulfonate SMILES: C1=CC(=CC=C1NN=C2C3=C(C=CC2=O)C=C(C=C3)S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+]

Pricing & Availability
Specifications

PubChem CID	6850717
CAS	2783-94-0
Molecular Weight (g/mol)	452.363
MDL Number	MFCD00036437
SMILES	C1=CC(=CC=C1NN=C2C3=C(C=CC2=O)C=C(C=C3)S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+]
IUPAC Name	disodium;6-oxo-5-[(4-sulfonatophenyl)hydrazinylidene]naphthalene-2-sulfonate
InChI Key	TXVRKNUZLYFDTJ-UHFFFAOYSA-L
Molecular Formula	C16H10N2Na2O7S2

1,262

Congo Red 98.0+%, TCI America™

CAS: 573-58-0 Molecular Formula: C32H22N6Na2O6S2 Molecular Weight (g/mol): 696.664 MDL Number: MFCD00004028 InChI Key: IQFVPQOLBLOTPF-UHFFFAOYSA-L Synonym: Direct Red 28 PubChem CID: 11313 ChEBI: CHEBI:34653 IUPAC Name: disodium;4-amino-3-[[4-[4-[(1-amino-4-sulfonatonaphthalen-2-yl)diazenyl]phenyl]phenyl]diazenyl]naphthalene-1-sulfonate SMILES: C1=CC=C2C(=C1)C(=CC(=C2N)N=NC3=CC=C(C=C3)C4=CC=C(C=C4)N=NC5=C(C6=CC=CC=C6C(=C5)S(=O)(=O)[O-])N)S(=O)(=O)[O-].[Na+].[Na+]

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Specifications

PubChem CID	11313
CAS	573-58-0
Molecular Weight (g/mol)	696.664
ChEBI	CHEBI:34653
MDL Number	MFCD00004028
SMILES	C1=CC=C2C(=C1)C(=CC(=C2N)N=NC3=CC=C(C=C3)C4=CC=C(C=C4)N=NC5=C(C6=CC=CC=C6C(=C5)S(=O)(=O)[O-])N)S(=O)(=O)[O-].[Na+].[Na+]
Synonym	Direct Red 28
IUPAC Name	disodium;4-amino-3-[[4-[4-[(1-amino-4-sulfonatonaphthalen-2-yl)diazenyl]phenyl]phenyl]diazenyl]naphthalene-1-sulfonate
InChI Key	IQFVPQOLBLOTPF-UHFFFAOYSA-L
Molecular Formula	C32H22N6Na2O6S2

1,263

Crocein Scarlet 3B, TCI America™

CAS: 5413-75-2 Molecular Formula: C22H16N4Na2O7S2 Molecular Weight (g/mol): 558.491 MDL Number: MFCD00003907 InChI Key: BMBHMIGLJQAUTJ-HKWNQDJZSA-N Synonym: Acid Red 73 PubChem CID: 88641610 IUPAC Name: (8Z)-7-oxo-8-[(4-phenyldiazenylphenyl)hydrazinylidene]naphthalene-1,3-disulfonic acid;sodium SMILES: C1=CC=C(C=C1)N=NC2=CC=C(C=C2)NN=C3C(=O)C=CC4=CC(=CC(=C43)S(=O)(=O)O)S(=O)(=O)O.[Na].[Na]

Pricing & Availability
Specifications

PubChem CID	88641610
CAS	5413-75-2
Molecular Weight (g/mol)	558.491
MDL Number	MFCD00003907
SMILES	C1=CC=C(C=C1)N=NC2=CC=C(C=C2)NN=C3C(=O)C=CC4=CC(=CC(=C43)S(=O)(=O)O)S(=O)(=O)O.[Na].[Na]
Synonym	Acid Red 73
IUPAC Name	(8Z)-7-oxo-8-[(4-phenyldiazenylphenyl)hydrazinylidene]naphthalene-1,3-disulfonic acid;sodium
InChI Key	BMBHMIGLJQAUTJ-HKWNQDJZSA-N
Molecular Formula	C22H16N4Na2O7S2

1,264

Name Note	Test Solution
CAS	67-56-1
Color	Orange/Red
Physical Form	Liquid
pH	8 to 9.5
Packaging	Natural Poly Bottle
CAS Min %	0.35
Chemical Name or Material	Congo Red
Grade	Indicator
CAS Max %	0.36

1,265

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-]

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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

1,266

StatLab MasterTech McDonald's Gram Stain Kit

Stains for gram positive and gram negative bacteria in less than five minutes

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1,267

Beckman Coulter FPBCI Wright Giemsa Stain 4X2L

For use with Beckman Coulter analyzers

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1,268

StatLab MasterTech Universal Iodine Solution

Used to visualize and study cell structures in greater detail

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1,269

StatLab Periodic Acid 1%

Used to oxidize certain tissue elements to aldehydes prior to immersion in Schiff’s Reagent

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1,270

StatLab Master Tech Modified Mayer's Hematoxylin

This modified version of Mayer’s formulation offers distinct and striking nuclear detail

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1,271

Fast Red ITR Base 98.0+%, TCI America™

CAS: 97-35-8 Molecular Formula: C11H18N2O3S Molecular Weight (g/mol): 258.34 MDL Number: MFCD00009045 InChI Key: WBGVVXSCGNGJFL-UHFFFAOYSA-N Synonym: Fast Red ITR, Azoic Diazo Component 42, N1,N1-Diethyl-4-methoxymetanilamide, 3-Amino-N,N-diethyl-4-methoxybenzenesulfonamide PubChem CID: 66804 IUPAC Name: 3-amino-N,N-diethyl-4-methoxybenzene-1-sulfonamide SMILES: CCN(CC)S(=O)(=O)C1=CC=C(OC)C(N)=C1

Pricing & Availability
Specifications

PubChem CID	66804
CAS	97-35-8
Molecular Weight (g/mol)	258.34
MDL Number	MFCD00009045
SMILES	CCN(CC)S(=O)(=O)C1=CC=C(OC)C(N)=C1
Synonym	Fast Red ITR, Azoic Diazo Component 42, N1,N1-Diethyl-4-methoxymetanilamide, 3-Amino-N,N-diethyl-4-methoxybenzenesulfonamide
IUPAC Name	3-amino-N,N-diethyl-4-methoxybenzene-1-sulfonamide
InChI Key	WBGVVXSCGNGJFL-UHFFFAOYSA-N
Molecular Formula	C11H18N2O3S

1,272

StatLab Biebrich Scarlet Acid Fuchsin

Biebrich Scarlet Acid Fuchsin

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1,273

StatLab Rhodanine Stock

Rhodanine Stock

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1,274

Food Red No. 105, TCI America™

CAS: 632-69-9 Molecular Formula: C20H4Cl4I4Na2O5 Molecular Weight (g/mol): 1019.644 MDL Number: MFCD00151169 InChI Key: DPBQSRZQYAYDGY-UHFFFAOYSA-N PubChem CID: 87244310 IUPAC Name: sodium;4,5,6,7-tetrachloro-3',6'-dihydroxy-2',4',5',7'-tetraiodospiro[2-benzofuran-3,9'-xanthene]-1-one SMILES: C1=C2C(=C(C(=C1I)O)I)OC3=C(C(=C(C=C3C24C5=C(C(=C(C(=C5Cl)Cl)Cl)Cl)C(=O)O4)I)O)I.[Na].[Na]

Pricing & Availability
Specifications

PubChem CID	87244310
CAS	632-69-9
Molecular Weight (g/mol)	1019.644
MDL Number	MFCD00151169
SMILES	C1=C2C(=C(C(=C1I)O)I)OC3=C(C(=C(C=C3C24C5=C(C(=C(C(=C5Cl)Cl)Cl)Cl)C(=O)O4)I)O)I.[Na].[Na]
IUPAC Name	sodium;4,5,6,7-tetrachloro-3',6'-dihydroxy-2',4',5',7'-tetraiodospiro[2-benzofuran-3,9'-xanthene]-1-one
InChI Key	DPBQSRZQYAYDGY-UHFFFAOYSA-N
Molecular Formula	C20H4Cl4I4Na2O5

1,275

Food Blue No. 2, TCI America™

CAS: 860-22-0 Molecular Formula: C16H8N2Na2O8S2 Molecular Weight (g/mol): 466.35 MDL Number: MFCD00005723 InChI Key: KHLVKKOJDHCJMG-QDBORUFSSA-L PubChem CID: 5284351 IUPAC Name: disodium (E)-3,3'-dioxo-1H,1'H,3H,3'H-[2,2'-biindolylidene]-5,5'-disulfonate SMILES: [Na+].[Na+].[O-]S(=O)(=O)C1=CC=C2N\C(C(=O)C2=C1)=C1\NC2=CC=C(C=C2C1=O)S([O-])(=O)=O

Pricing & Availability
Specifications

PubChem CID	5284351
CAS	860-22-0
Molecular Weight (g/mol)	466.35
MDL Number	MFCD00005723
SMILES	[Na+].[Na+].[O-]S(=O)(=O)C1=CC=C2N\C(C(=O)C2=C1)=C1\NC2=CC=C(C=C2C1=O)S([O-])(=O)=O
IUPAC Name	disodium (E)-3,3'-dioxo-1H,1'H,3H,3'H-[2,2'-biindolylidene]-5,5'-disulfonate
InChI Key	KHLVKKOJDHCJMG-QDBORUFSSA-L
Molecular Formula	C16H8N2Na2O8S2

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