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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871 – 885 of 7,195 results

871

Sigma-Aldrich Papanicolaou Stain EA 65

For routine diagnostic cytology to aid in the identification and classification of exfoliative cells.

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872

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Thermo Scientific Chemicals Bromophenol Red, pure

CAS: 2800-80-8 Molecular Formula: C19H12Br2O5S Molecular Weight (g/mol): 512.168 MDL Number: MFCD00023014 InChI Key: OYCLSQDXZMROJK-UHFFFAOYSA-N Synonym: 5', 5''-Dibromophenolsulfonphthalein PubChem CID: 76047 IUPAC Name: 2-bromo-4-[3-(3-bromo-4-hydroxyphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]phenol SMILES: C1=CC=C2C(=C1)C(OS2(=O)=O)(C3=CC(=C(C=C3)O)Br)C4=CC(=C(C=C4)O)Br

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Specifications

PubChem CID	76047
CAS	2800-80-8
Molecular Weight (g/mol)	512.168
MDL Number	MFCD00023014
SMILES	C1=CC=C2C(=C1)C(OS2(=O)=O)(C3=CC(=C(C=C3)O)Br)C4=CC(=C(C=C4)O)Br
Synonym	5', 5''-Dibromophenolsulfonphthalein
IUPAC Name	2-bromo-4-[3-(3-bromo-4-hydroxyphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]phenol
InChI Key	OYCLSQDXZMROJK-UHFFFAOYSA-N
Molecular Formula	C19H12Br2O5S

873

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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874

Brilliant Blue R Staining Solution, Sigma-Aldrich

Pricing & Availability

875

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FD and C Yellow No. 5, Spectrum™ Chemical

CAS: 1934-21-0 Molecular Formula: C16H9N4Na3O9S2 Molecular Weight (g/mol): 534.36 InChI Key: UJMBCXLDXJUMFB-UHFFFAOYNA-K IUPAC Name: trisodium 5-oxo-1-(4-sulfonatophenyl)-4-[2-(4-sulfonatophenyl)diazen-1-yl]-4,5-dihydro-1H-pyrazole-3-carboxylate SMILES: [Na+].[Na+].[Na+].[O-]C(=O)C1=NN(C(=O)C1N=NC1=CC=C(C=C1)S([O-])(=O)=O)C1=CC=C(C=C1)S([O-])(=O)=O

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Specifications

CAS	1934-21-0
Molecular Weight (g/mol)	534.36
SMILES	[Na+].[Na+].[Na+].[O-]C(=O)C1=NN(C(=O)C1N=NC1=CC=C(C=C1)S([O-])(=O)=O)C1=CC=C(C=C1)S([O-])(=O)=O
IUPAC Name	trisodium 5-oxo-1-(4-sulfonatophenyl)-4-[2-(4-sulfonatophenyl)diazen-1-yl]-4,5-dihydro-1H-pyrazole-3-carboxylate
InChI Key	UJMBCXLDXJUMFB-UHFFFAOYNA-K
Molecular Formula	C16H9N4Na3O9S2

876

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Thermo Scientific Chemicals Stains-All, 96%

CAS: 7423-31-6 Molecular Formula: C₃₀H₂₇BrN₂S₂ Synonym: 1-Ethyl-2-[(E)-3-(1-ethylnaphtho[1,2-d]thiazolin-2-ylidene)-2-methylpropenyl]naphtho[1,2-d]thiazolium bromide; 3,3′-Diethyl-9-methyl-4,5,4′,5′-dibenzothiacarbocyanine

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Specifications

CAS	7423-31-6
Synonym	1-Ethyl-2-[(E)-3-(1-ethylnaphtho[1,2-d]thiazolin-2-ylidene)-2-methylpropenyl]naphtho[1,2-d]thiazolium bromide; 3,3′-Diethyl-9-methyl-4,5,4′,5′-dibenzothiacarbocyanine
Molecular Formula	C₃₀H₂₇BrN₂S₂

877

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Thermo Scientific Chemicals Sudan II, pure

CAS: 3118-97-6 Molecular Formula: C18H16N2O Molecular Weight (g/mol): 276.34 MDL Number: MFCD00003896 InChI Key: YPXOPAFVVHXQDP-ZZEZOPTASA-N Synonym: C.I. 12140,1-(2, 4-Dimethylphenylazo)-2-naphthol,Solvent orange 7 PubChem CID: 5809936 IUPAC Name: (1Z)-1-[(2,4-dimethylphenyl)hydrazinylidene]naphthalen-2-one SMILES: CC1=CC=C(N\N=C2/C(=O)C=CC3=CC=CC=C23)C(C)=C1

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Specifications

PubChem CID	5809936
CAS	3118-97-6
Molecular Weight (g/mol)	276.34
MDL Number	MFCD00003896
SMILES	CC1=CC=C(N\N=C2/C(=O)C=CC3=CC=CC=C23)C(C)=C1
Synonym	C.I. 12140,1-(2, 4-Dimethylphenylazo)-2-naphthol,Solvent orange 7
IUPAC Name	(1Z)-1-[(2,4-dimethylphenyl)hydrazinylidene]naphthalen-2-one
InChI Key	YPXOPAFVVHXQDP-ZZEZOPTASA-N
Molecular Formula	C18H16N2O

878

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Hematoxylin, 85%, pure, Thermo Scientific™

CAS: 517-28-2 Molecular Formula: C16H14O6 Molecular Weight (g/mol): 302.28 MDL Number: MFCD00078111 InChI Key: WZUVPPKBWHMQCE-WKTCHCBJNA-N Synonym: Natural Black 1,C.I. 75290 PubChem CID: 45029742 IUPAC Name: (1R,10S)-8-oxatetracyclo[8.7.0.0²,⁷.0¹²,¹⁷]heptadeca-2(7),3,5,12(17),13,15-hexaene-5,6,10,14,15-pentol SMILES: [H][C@]12C3=C(C[C@@]1(O)COC1=C2C=CC(O)=C1O)C=C(O)C(O)=C3

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Specifications

PubChem CID	45029742
CAS	517-28-2
Molecular Weight (g/mol)	302.28
MDL Number	MFCD00078111
SMILES	[H][C@]12C3=C(C[C@@]1(O)COC1=C2C=CC(O)=C1O)C=C(O)C(O)=C3
Synonym	Natural Black 1,C.I. 75290
IUPAC Name	(1R,10S)-8-oxatetracyclo[8.7.0.0²,⁷.0¹²,¹⁷]heptadeca-2(7),3,5,12(17),13,15-hexaene-5,6,10,14,15-pentol
InChI Key	WZUVPPKBWHMQCE-WKTCHCBJNA-N
Molecular Formula	C16H14O6

879

Phenolphthalein, U.S.P./N.F. grade, MP Biomedicals™

CAS: 77-09-8 Molecular Formula: C20H14O4 Molecular Weight (g/mol): 318.33 MDL Number: MFCD00005913 InChI Key: KJFMBFZCATUALV-UHFFFAOYSA-N Synonym: 3, 3-bis[4-Hydroxyphenyl]-1-[3H]- isobenzofuranone PubChem CID: 4764 ChEBI: CHEBI:34914 IUPAC Name: 3,3-bis(4-hydroxyphenyl)-1,3-dihydro-2-benzofuran-1-one SMILES: OC1=CC=C(C=C1)C1(OC(=O)C2=CC=CC=C12)C1=CC=C(O)C=C1

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Specifications

PubChem CID	4764
CAS	77-09-8
Molecular Weight (g/mol)	318.33
ChEBI	CHEBI:34914
MDL Number	MFCD00005913
SMILES	OC1=CC=C(C=C1)C1(OC(=O)C2=CC=CC=C12)C1=CC=C(O)C=C1
Synonym	3, 3-bis[4-Hydroxyphenyl]-1-[3H]- isobenzofuranone
IUPAC Name	3,3-bis(4-hydroxyphenyl)-1,3-dihydro-2-benzofuran-1-one
InChI Key	KJFMBFZCATUALV-UHFFFAOYSA-N
Molecular Formula	C20H14O4

880

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Congo Red, Spectrum™ Chemical

CAS: 573-58-0

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Specifications

CAS	573-58-0

881

p-Nitro blue tetrazolium chloride, MP Biomedicals™

CAS: 298-83-9 Molecular Formula: C40H30Cl2N10O6 Molecular Weight (g/mol): 817.644 MDL Number: MFCD00012159 InChI Key: FSVCQIDHPKZJSO-UHFFFAOYSA-L Synonym: 3,3'-(3,3'-Dimethoxy-4,4'-biphenylene)-bis-(2-p-nitrophenyl)-5-(phenyl)-2H-tetrazolium 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	3,3'-(3,3'-Dimethoxy-4,4'-biphenylene)-bis-(2-p-nitrophenyl)-5-(phenyl)-2H-tetrazolium 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

882

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Coumarin 314, 99%, pure, laser grade

CAS: 55804-66-5 Molecular Formula: C18H19NO4 Molecular Weight (g/mol): 313.353 MDL Number: MFCD00051334 InChI Key: VMJKUPWQKZFFCX-UHFFFAOYSA-N Synonym: 1,2,4,5,3H,6H,10H-Tetrahydro-9-carbethoxy[1]benzopyrano(9,9a,1-gh)-quinolizin-10-one PubChem CID: 72653 ChEBI: CHEBI:51940 SMILES: CCOC(=O)C1=CC2=CC3=C4C(=C2OC1=O)CCCN4CCC3

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Specifications

PubChem CID	72653
CAS	55804-66-5
Molecular Weight (g/mol)	313.353
ChEBI	CHEBI:51940
MDL Number	MFCD00051334
SMILES	CCOC(=O)C1=CC2=CC3=C4C(=C2OC1=O)CCCN4CCC3
Synonym	1,2,4,5,3H,6H,10H-Tetrahydro-9-carbethoxy[1]benzopyrano(9,9a,1-gh)-quinolizin-10-one
InChI Key	VMJKUPWQKZFFCX-UHFFFAOYSA-N
Molecular Formula	C18H19NO4

883

Sigma-Aldrich Papanicolaou Stain, Modified EA 65

For routine diagnostic cytology to aid in the identification and classification of exfoliative cells.

Pricing & Availability

884

Thioflavine T, tech. 75%

CAS: 2390-54-7 Molecular Formula: C17H19ClN2S Molecular Weight (g/mol): 318.86 MDL Number: MFCD00011944 InChI Key: JADVWWSKYZXRGX-UHFFFAOYSA-M Synonym: Basic Yellow 1; C.I. 49005 PubChem CID: 16953 ChEBI: CHEBI:76023 IUPAC Name: 4-(3,6-dimethyl-1,3-benzothiazol-3-ium-2-yl)-N,N-dimethylaniline;chloride SMILES: [Cl-].CN(C)C1=CC=C(C=C1)C1=[N+](C)C2=CC=C(C)C=C2S1

Pricing & Availability
Specifications

PubChem CID	16953
CAS	2390-54-7
Molecular Weight (g/mol)	318.86
ChEBI	CHEBI:76023
MDL Number	MFCD00011944
SMILES	[Cl-].CN(C)C1=CC=C(C=C1)C1=[N+](C)C2=CC=C(C)C=C2S1
Synonym	Basic Yellow 1; C.I. 49005
IUPAC Name	4-(3,6-dimethyl-1,3-benzothiazol-3-ium-2-yl)-N,N-dimethylaniline;chloride
InChI Key	JADVWWSKYZXRGX-UHFFFAOYSA-M
Molecular Formula	C17H19ClN2S

885

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Thermo Scientific Chemicals Nigrosine, pure, water soluble, high purity biological stain

CAS: 8005-03-6 Molecular Formula: C22H14N6Na2O9S2 Molecular Weight (g/mol): 616.49 MDL Number: MFCD00044681 InChI Key: HKBVRFLHNUEVRO-HMDKGIQMSA-L Synonym: Acid Black 2,C.I. 50420 PubChem CID: 44134531 IUPAC Name: disodium;4-amino-3-[(4-nitrophenyl)diazenyl]-5-oxo-6-(phenylhydrazinylidene)naphthalene-2,7-disulfonate SMILES: C1=CC=C(C=C1)NN=C2C(=CC3=CC(=C(C(=C3C2=O)N)N=NC4=CC=C(C=C4)[N+](=O)[O-])S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+]

Pricing & Availability
Specifications

PubChem CID	44134531
CAS	8005-03-6
Molecular Weight (g/mol)	616.49
MDL Number	MFCD00044681
SMILES	C1=CC=C(C=C1)NN=C2C(=CC3=CC(=C(C(=C3C2=O)N)N=NC4=CC=C(C=C4)[N+](=O)[O-])S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+]
Synonym	Acid Black 2,C.I. 50420
IUPAC Name	disodium;4-amino-3-[(4-nitrophenyl)diazenyl]-5-oxo-6-(phenylhydrazinylidene)naphthalene-2,7-disulfonate
InChI Key	HKBVRFLHNUEVRO-HMDKGIQMSA-L
Molecular Formula	C22H14N6Na2O9S2

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