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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1,036 – 1,050 of 7,126 results

1,036

Biebrich Scarlet sodium salt

CAS: 4196-99-0 Molecular Formula: C22H14N4Na2O7S2 Molecular Weight (g/mol): 556.47 MDL Number: MFCD00003891 InChI Key: YCKMEQRBEVVZQF-VKZXTWAVSA-L Synonym: C.I. 26905; Acid Red 66 PubChem CID: 16219040 IUPAC Name: disodium 2-{2-[(1Z)-2-oxo-1,2-dihydronaphthalen-1-ylidene]hydrazin-1-yl}-5-[2-(4-sulfonatophenyl)diazen-1-yl]benzene-1-sulfonate SMILES: [Na+].[Na+].[O-]S(=O)(=O)C1=CC=C(C=C1)N=NC1=CC=C(N\N=C2/C(=O)C=CC3=CC=CC=C23)C(=C1)S([O-])(=O)=O

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Specifications

PubChem CID	16219040
CAS	4196-99-0
Molecular Weight (g/mol)	556.47
MDL Number	MFCD00003891
SMILES	[Na+].[Na+].[O-]S(=O)(=O)C1=CC=C(C=C1)N=NC1=CC=C(N\N=C2/C(=O)C=CC3=CC=CC=C23)C(=C1)S([O-])(=O)=O
Synonym	C.I. 26905; Acid Red 66
IUPAC Name	disodium 2-{2-[(1Z)-2-oxo-1,2-dihydronaphthalen-1-ylidene]hydrazin-1-yl}-5-[2-(4-sulfonatophenyl)diazen-1-yl]benzene-1-sulfonate
InChI Key	YCKMEQRBEVVZQF-VKZXTWAVSA-L
Molecular Formula	C22H14N4Na2O7S2

1,037

Cresyl Violet Acetate High Purity Biological Stain MP Biomedicals

CAS: 10510-54-0 Molecular Formula: C18H15N3O3 Molecular Weight (g/mol): 321.34 MDL Number: MFCD00013151,MFCD00013151 InChI Key: XKOCOMKJPWEOHX-UHFFFAOYSA-M Synonym: Cresyl Fast Violet,9-Amino-5-imino-5H-benzo[a]phenoxazine acetate salt PubChem CID: 44134641 IUPAC Name: acetic acid;5-iminobenzo[a]phenoxazin-9-amine SMILES: CC([O-])=O.NC1=CC2=[O+]C3=C(N=C2C=C1)C1=CC=CC=C1C(N)=C3

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Specifications

PubChem CID	44134641
CAS	10510-54-0
Molecular Weight (g/mol)	321.34
MDL Number	MFCD00013151,MFCD00013151
SMILES	CC([O-])=O.NC1=CC2=[O+]C3=C(N=C2C=C1)C1=CC=CC=C1C(N)=C3
Synonym	Cresyl Fast Violet,9-Amino-5-imino-5H-benzo[a]phenoxazine acetate salt
IUPAC Name	acetic acid;5-iminobenzo[a]phenoxazin-9-amine
InChI Key	XKOCOMKJPWEOHX-UHFFFAOYSA-M
Molecular Formula	C18H15N3O3

1,038

Congo Red High Purity Biological Stain MP Biomedicals

CAS: 573-58-0 Molecular Formula: C32H22N6Na2O6S2 Molecular Weight (g/mol): 696.664 InChI Key: IQFVPQOLBLOTPF-UHFFFAOYSA-L Synonym: Cotton Red,Benzo Congo Red,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
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	Cotton Red,Benzo Congo Red,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

1,039

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Thermo Scientific Chemicals Tetranitro blue tetrazolium chloride, 97%

CAS: 1184-43-6 Molecular Formula: C40H28Cl2N12O10 Molecular Weight (g/mol): 907.64 MDL Number: MFCD00036338 InChI Key: VCESGVLABVSDRO-UHFFFAOYSA-L Synonym: TNBT PubChem CID: 129893520 SMILES: [Cl-].[Cl-].COC1=CC(=CC=C1[N+]1=NC(=NN1C1=CC=C(C=C1)[N+]([O-])=O)C1=CC=C(C=C1)[N+]([O-])=O)C1=CC=C(C(OC)=C1)[N+]1=NC(=NN1C1=CC=C(C=C1)[N+]([O-])=O)C1=CC=C(C=C1)[N+]([O-])=O

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Specifications

PubChem CID	129893520
CAS	1184-43-6
Molecular Weight (g/mol)	907.64
MDL Number	MFCD00036338
SMILES	[Cl-].[Cl-].COC1=CC(=CC=C1[N+]1=NC(=NN1C1=CC=C(C=C1)[N+]([O-])=O)C1=CC=C(C=C1)[N+]([O-])=O)C1=CC=C(C(OC)=C1)[N+]1=NC(=NN1C1=CC=C(C=C1)[N+]([O-])=O)C1=CC=C(C=C1)[N+]([O-])=O
Synonym	TNBT
InChI Key	VCESGVLABVSDRO-UHFFFAOYSA-L
Molecular Formula	C40H28Cl2N12O10

1,040

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Thermo Scientific Chemicals Fluorescein, disodium salt, pure

CAS: 518-47-8 Molecular Formula: C20H10Na2O5 Molecular Weight (g/mol): 376.28 MDL Number: MFCD00167039 InChI Key: NJDNXYGOVLYJHP-UHFFFAOYSA-L IUPAC Name: disodium 2-(6-oxido-3-oxo-3H-xanthen-9-yl)benzoate SMILES: [Na+].[Na+].[O-]C(=O)C1=CC=CC=C1C1=C2C=CC(=O)C=C2OC2=CC([O-])=CC=C12

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Specifications

CAS	518-47-8
Molecular Weight (g/mol)	376.28
MDL Number	MFCD00167039
SMILES	[Na+].[Na+].[O-]C(=O)C1=CC=CC=C1C1=C2C=CC(=O)C=C2OC2=CC([O-])=CC=C12
IUPAC Name	disodium 2-(6-oxido-3-oxo-3H-xanthen-9-yl)benzoate
InChI Key	NJDNXYGOVLYJHP-UHFFFAOYSA-L
Molecular Formula	C20H10Na2O5

1,041

Alcian Blue 8GX, Laboratory Grade Sigma-Aldrich

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1,042

Bromophenol Blue Sodium Salt, Sigma-Aldrich

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1,043

Sigma-Aldrich Giemsa Stain, Modified

For hematology and histology purposes. Stains the nucleous and cytoplasm of white blood cells with blue or pink coloration.

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1,044

Sigma Diagnostics™ Crystal Violet Solution

For Gram's staining of heat-fixed films and tissue

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1,045

Sigma-Aldrich Safranin O Solution

Counterstain for use in histology and cytology.

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1,046

Congo Red, MP Biomedicals™

CAS: 573-58-0 Molecular Formula: C32H22N6Na2O6S2 Molecular Weight (g/mol): 696.664 InChI Key: IQFVPQOLBLOTPF-UHFFFAOYSA-L Synonym: Cotton Red,Benzo Congo Red 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+]

Pricing & Availability
Specifications

PubChem CID	11313
CAS	573-58-0
Molecular Weight (g/mol)	696.664
ChEBI	CHEBI:34653
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	Cotton Red,Benzo Congo Red
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

1,047

Crystal poncaeu 6R, 90%, MP Biomedicals™

CAS: 2766-77-0 Molecular Formula: C20H14N2Na2O7S2 Molecular Weight (g/mol): 504.44 MDL Number: MFCD00013279 InChI Key: AJCQNUXLYVWDGD-UHFFFAOYSA-N Synonym: Acid Red 44,Brilliant Crystal Scarlet PubChem CID: 88640932 IUPAC Name: 8-[2-(naphthalen-1-yl)hydrazin-1-ylidene]-7-oxo-7,8-dihydronaphthalene-1,3-disulfonic acid disodium SMILES: [Na].[Na].OS(=O)(=O)C1=CC(=C2C(C=CC(=O)C2=NNC2=CC=CC3=CC=CC=C23)=C1)S(O)(=O)=O

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Specifications

PubChem CID	88640932
CAS	2766-77-0
Molecular Weight (g/mol)	504.44
MDL Number	MFCD00013279
SMILES	[Na].[Na].OS(=O)(=O)C1=CC(=C2C(C=CC(=O)C2=NNC2=CC=CC3=CC=CC=C23)=C1)S(O)(=O)=O
Synonym	Acid Red 44,Brilliant Crystal Scarlet
IUPAC Name	8-[2-(naphthalen-1-yl)hydrazin-1-ylidene]-7-oxo-7,8-dihydronaphthalene-1,3-disulfonic acid disodium
InChI Key	AJCQNUXLYVWDGD-UHFFFAOYSA-N
Molecular Formula	C20H14N2Na2O7S2

1,048

Methylene green, MP Biomedicals™

CAS: 2679-01-8 Molecular Formula: C16H17ClN4O2S Molecular Weight (g/mol): 364.85 InChI Key: YYGBVRCTHASBKD-UHFFFAOYSA-M Synonym: C.I. 52020,3, 7-Bis(Dimethylamino)-4-Nitro-Phenothiazin-5-Ium Chloride

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Specifications

CAS	2679-01-8
Molecular Weight (g/mol)	364.85
Synonym	C.I. 52020,3, 7-Bis(Dimethylamino)-4-Nitro-Phenothiazin-5-Ium Chloride
InChI Key	YYGBVRCTHASBKD-UHFFFAOYSA-M
Molecular Formula	C16H17ClN4O2S

1,049

Calcein, MP Biomedicals™

CAS: 1461-15-0 Molecular Formula: C30H26N2O13 Molecular Weight (g/mol): 622.539 InChI Key: DEGAKNSWVGKMLS-UHFFFAOYSA-N Synonym: Fluorexon,Calcein W PubChem CID: 65079 ChEBI: CHEBI:51903 IUPAC Name: 2-[[7'-[[bis(carboxymethyl)amino]methyl]-3',6'-dihydroxy-3-oxospiro[2-benzofuran-1,9'-xanthene]-2'-yl]methyl-(carboxymethyl)amino]acetic acid SMILES: C1=CC=C2C(=C1)C(=O)OC23C4=CC(=C(C=C4OC5=CC(=C(C=C35)CN(CC(=O)O)CC(=O)O)O)O)CN(CC(=O)O)CC(=O)O

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Specifications

PubChem CID	65079
CAS	1461-15-0
Molecular Weight (g/mol)	622.539
ChEBI	CHEBI:51903
SMILES	C1=CC=C2C(=C1)C(=O)OC23C4=CC(=C(C=C4OC5=CC(=C(C=C35)CN(CC(=O)O)CC(=O)O)O)O)CN(CC(=O)O)CC(=O)O
Synonym	Fluorexon,Calcein W
IUPAC Name	2-[[7'-[[bis(carboxymethyl)amino]methyl]-3',6'-dihydroxy-3-oxospiro[2-benzofuran-1,9'-xanthene]-2'-yl]methyl-(carboxymethyl)amino]acetic acid
InChI Key	DEGAKNSWVGKMLS-UHFFFAOYSA-N
Molecular Formula	C30H26N2O13

1,050

MilliporeSigma™ BioTracker Cys Hcy GSH Triple Live Cell Dye

Live cell imaging dye to simultaneously report cellular levels GSH, Cys, Hcy

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Stains and Dyes

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