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.

946 – 960 of 6,572 results

946

Sigma-Aldrich Wright Stain, Modified

For differential staining of the cellular elements of blood.

Pricing & Availability
Specifications

Type	Wright Stain

947

Thermo Scientific Chemicals Tropaeolin O, pure

CAS: 547-57-9 Molecular Formula: C12H10N2NaO5S Molecular Weight (g/mol): 317.271 MDL Number: MFCD00007499 InChI Key: YOGUPPQYRWYKGT-IRIIKGHASA-N Synonym: Acid orange 6,C.I. 14270,4-(2, 4-Dihydroxyphenylazo)benzenesulfonic acid, sodium salt PubChem CID: 87071197 IUPAC Name: 4-[(2Z)-2-(2-hydroxy-4-oxocyclohexa-2,5-dien-1-ylidene)hydrazinyl]benzenesulfonic acid;sodium SMILES: C1=CC(=CC=C1NN=C2C=CC(=O)C=C2O)S(=O)(=O)O.[Na]

Pricing & Availability
Specifications

PubChem CID	87071197
CAS	547-57-9
Molecular Weight (g/mol)	317.271
MDL Number	MFCD00007499
SMILES	C1=CC(=CC=C1NN=C2C=CC(=O)C=C2O)S(=O)(=O)O.[Na]
Synonym	Acid orange 6,C.I. 14270,4-(2, 4-Dihydroxyphenylazo)benzenesulfonic acid, sodium salt
IUPAC Name	4-[(2Z)-2-(2-hydroxy-4-oxocyclohexa-2,5-dien-1-ylidene)hydrazinyl]benzenesulfonic acid;sodium
InChI Key	YOGUPPQYRWYKGT-IRIIKGHASA-N
Molecular Formula	C12H10N2NaO5S

948

Thermo Scientific Chemicals Celestine Blue, pure

CAS: 1562-90-9 Molecular Formula: C17H18ClN3O4 Molecular Weight (g/mol): 363.798 MDL Number: MFCD00011927 InChI Key: OJAMERVLRXYMPD-UHFFFAOYSA-N PubChem CID: 54684697 IUPAC Name: 7-(diethylamino)-4-hydroxy-3-oxophenoxazin-10-ium-1-carboxamide;chloride SMILES: CCN(CC)C1=CC2=C(C=C1)[NH+]=C3C(=CC(=O)C(=C3O2)O)C(=O)N.[Cl-]

Pricing & Availability
Specifications

PubChem CID	54684697
CAS	1562-90-9
Molecular Weight (g/mol)	363.798
MDL Number	MFCD00011927
SMILES	CCN(CC)C1=CC2=C(C=C1)[NH+]=C3C(=CC(=O)C(=C3O2)O)C(=O)N.[Cl-]
IUPAC Name	7-(diethylamino)-4-hydroxy-3-oxophenoxazin-10-ium-1-carboxamide;chloride
InChI Key	OJAMERVLRXYMPD-UHFFFAOYSA-N
Molecular Formula	C17H18ClN3O4

949

Thermo Scientific Chemicals Phenol Red sodium salt, ACS reagent

CAS: 34487-61-1 Molecular Formula: C19H13NaO5S Molecular Weight (g/mol): 376.358 MDL Number: MFCD00066901 InChI Key: HKHYOKBQJILTEI-UHFFFAOYSA-M PubChem CID: 23686673 IUPAC Name: sodium;4-[3-(4-hydroxyphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]phenolate SMILES: C1=CC=C2C(=C1)C(OS2(=O)=O)(C3=CC=C(C=C3)O)C4=CC=C(C=C4)[O-].[Na+]

Pricing & Availability
Specifications

PubChem CID	23686673
CAS	34487-61-1
Molecular Weight (g/mol)	376.358
MDL Number	MFCD00066901
SMILES	C1=CC=C2C(=C1)C(OS2(=O)=O)(C3=CC=C(C=C3)O)C4=CC=C(C=C4)[O-].[Na+]
IUPAC Name	sodium;4-[3-(4-hydroxyphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]phenolate
InChI Key	HKHYOKBQJILTEI-UHFFFAOYSA-M
Molecular Formula	C19H13NaO5S

950

Thermo Scientific Chemicals Nitrazine Yellow, indicator grade

CAS: 1-1-5424 Molecular Formula: C5H5N3O2 Molecular Weight (g/mol): 139.11 MDL Number: MFCD00003938 InChI Key: ZAGZIOYVEIDDJA-UHFFFAOYSA-N Synonym: 2-(2,4-Dinitrophenylazo)-1-naphthol-3,6-disulfonic acid, disodium salt,3-(2, 4-Dinitrophenylazo)-4-hydroxy-2, 7-naphthalenedisulfonic acid,2-(2, 4-Dinitrophenylazo)-1-naphthol-3, 6-disulfonic acid PubChem CID: 72656 IUPAC Name: 3-aminopyrazine-2-carboxylic acid SMILES: C1=CN=C(C(=N1)C(=O)O)N

Pricing & Availability
Specifications

PubChem CID	72656
CAS	1-1-5424
Molecular Weight (g/mol)	139.11
MDL Number	MFCD00003938
SMILES	C1=CN=C(C(=N1)C(=O)O)N
Synonym	2-(2,4-Dinitrophenylazo)-1-naphthol-3,6-disulfonic acid, disodium salt,3-(2, 4-Dinitrophenylazo)-4-hydroxy-2, 7-naphthalenedisulfonic acid,2-(2, 4-Dinitrophenylazo)-1-naphthol-3, 6-disulfonic acid
IUPAC Name	3-aminopyrazine-2-carboxylic acid
InChI Key	ZAGZIOYVEIDDJA-UHFFFAOYSA-N
Molecular Formula	C5H5N3O2

951

Thermo Scientific Chemicals Naringin, 97%

CAS: 10236-47-2 Molecular Formula: C27H32O14 Molecular Weight (g/mol): 580.54 MDL Number: MFCD00148888,MFCD00149445,MFCD01461988 InChI Key: DFPMSGMNTNDNHN-ZPHOTFPESA-N PubChem CID: 74787988 IUPAC Name: 7-[(2S,4S,5S,6R)-4,5-dihydroxy-6-(hydroxymethyl)-3-[(2S,3R,4R,5R,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxyoxan-2-yl]oxy-5-hydroxy-2-(4-hydroxyphenyl)-2,3-dihydrochromen-4-one SMILES: C[C@@H]1O[C@@H](O[C@@H]2[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]2OC2=CC(O)=C3C(=O)C[C@H](OC3=C2)C2=CC=C(O)C=C2)[C@H](O)[C@H](O)[C@H]1O

Pricing & Availability
Specifications

PubChem CID	74787988
CAS	10236-47-2
Molecular Weight (g/mol)	580.54
MDL Number	MFCD00148888,MFCD00149445,MFCD01461988
SMILES	C[C@@H]1O[C@@H](O[C@@H]2[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]2OC2=CC(O)=C3C(=O)C[C@H](OC3=C2)C2=CC=C(O)C=C2)[C@H](O)[C@H](O)[C@H]1O
IUPAC Name	7-[(2S,4S,5S,6R)-4,5-dihydroxy-6-(hydroxymethyl)-3-[(2S,3R,4R,5R,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxyoxan-2-yl]oxy-5-hydroxy-2-(4-hydroxyphenyl)-2,3-dihydrochromen-4-one
InChI Key	DFPMSGMNTNDNHN-ZPHOTFPESA-N
Molecular Formula	C27H32O14

952

Thermo Scientific Chemicals Methyl Violet 2B, pure, certified

CAS: 8004-87-3 Molecular Formula: C₂₄H₂₈ClN₃ MDL Number: MFCD00012568 Synonym: Basic Violet 1,C.I. 42535

Pricing & Availability
Specifications

CAS	8004-87-3
MDL Number	MFCD00012568
Synonym	Basic Violet 1,C.I. 42535
Molecular Formula	C₂₄H₂₈ClN₃

953

MP Biomedicals, Inc Safranine O, MP Biomedicals™

CAS: 477-73-6 Molecular Formula: C20H19ClN4 Molecular Weight (g/mol): 350.85 MDL Number: MFCD00011759 InChI Key: QRYAEWIQIBAZOJ-UHFFFAOYSA-N Synonym: Basic Red 2,Gossypimine PubChem CID: 2723800 IUPAC Name: 2,7-diamino-1,8-dimethyl-5-phenyl-5λ⁵-phenazin-5-ylium chloride SMILES: [Cl-].CC1=C(N)C=C2C(=C1)N=C1C(C)=C(N)C=CC1=[N+]2C1=CC=CC=C1

Pricing & Availability
Specifications

PubChem CID	2723800
CAS	477-73-6
Molecular Weight (g/mol)	350.85
MDL Number	MFCD00011759
SMILES	[Cl-].CC1=C(N)C=C2C(=C1)N=C1C(C)=C(N)C=CC1=[N+]2C1=CC=CC=C1
Synonym	Basic Red 2,Gossypimine
IUPAC Name	2,7-diamino-1,8-dimethyl-5-phenyl-5λ⁵-phenazin-5-ylium chloride
InChI Key	QRYAEWIQIBAZOJ-UHFFFAOYSA-N
Molecular Formula	C20H19ClN4

954

MP Biomedicals, Inc Azomethine H, MP Biomedicals™

CAS: 5941-07-1 Molecular Formula: C17H14NNaO9S2 Molecular Weight (g/mol): 463.41 MDL Number: MFCD00149588 InChI Key: BEDIAJJRAYEWBI-TTWKNDKESA-M Synonym: 8-Hydroxy-1-(salicylideneamino)naphthalene-3, 6 disulfonic acid monosodium salt,4-Hydroxy-5-(2-hydroxybenzylideneamino)-naphthalene-2, 7-disulfonic acid monosodium salt hydrate

Pricing & Availability
Specifications

CAS	5941-07-1
Molecular Weight (g/mol)	463.41
MDL Number	MFCD00149588
Synonym	8-Hydroxy-1-(salicylideneamino)naphthalene-3, 6 disulfonic acid monosodium salt,4-Hydroxy-5-(2-hydroxybenzylideneamino)-naphthalene-2, 7-disulfonic acid monosodium salt hydrate
InChI Key	BEDIAJJRAYEWBI-TTWKNDKESA-M
Molecular Formula	C17H14NNaO9S2

955

MP Biomedicals, Inc Erythrosin B, ∽93% by uv-vis, MP Biomedicals™

CAS: 568-63-8 Molecular Formula: C40H14I8Na2O10 Molecular Weight (g/mol): 1715.757 MDL Number: MFCD00144257 InChI Key: DKRYETBOLGDIOK-UHFFFAOYSA-L Synonym: Acid Red 51,C.I. 45430 PubChem CID: 131676154 IUPAC Name: disodium;2-(3-hydroxy-2,4,5,7-tetraiodo-6-oxoxanthen-9-yl)benzoic acid;2-(2,4,5,7-tetraiodo-3-oxido-6-oxoxanthen-9-yl)benzoate SMILES: C1=CC=C(C(=C1)C2=C3C=C(C(=O)C(=C3OC4=C(C(=C(C=C24)I)O)I)I)I)C(=O)O.C1=CC=C(C(=C1)C2=C3C=C(C(=O)C(=C3OC4=C(C(=C(C=C24)I)[O-])I)I)I)C(=O)[O-].[Na+].[Na+]

Pricing & Availability
Specifications

PubChem CID	131676154
CAS	568-63-8
Molecular Weight (g/mol)	1715.757
MDL Number	MFCD00144257
SMILES	C1=CC=C(C(=C1)C2=C3C=C(C(=O)C(=C3OC4=C(C(=C(C=C24)I)O)I)I)I)C(=O)O.C1=CC=C(C(=C1)C2=C3C=C(C(=O)C(=C3OC4=C(C(=C(C=C24)I)[O-])I)I)I)C(=O)[O-].[Na+].[Na+]
Synonym	Acid Red 51,C.I. 45430
IUPAC Name	disodium;2-(3-hydroxy-2,4,5,7-tetraiodo-6-oxoxanthen-9-yl)benzoic acid;2-(2,4,5,7-tetraiodo-3-oxido-6-oxoxanthen-9-yl)benzoate
InChI Key	DKRYETBOLGDIOK-UHFFFAOYSA-L
Molecular Formula	C40H14I8Na2O10

956

MP Biomedicals, Inc Primulin, MP Biomedicals™

CAS: 8064-60-6 Molecular Formula: C21H14N3NaO3S3 Molecular Weight (g/mol): 475.531 MDL Number: MFCD00005798 InChI Key: RSRNHSYYBLEMOI-UHFFFAOYSA-M Synonym: Direct Yellow 59,C.I. 49000 PubChem CID: 3769888 IUPAC Name: sodium;2-[2-(4-aminophenyl)-1,3-benzothiazol-6-yl]-6-methyl-1,3-benzothiazole-7-sulfonate SMILES: CC1=C(C2=C(C=C1)N=C(S2)C3=CC4=C(C=C3)N=C(S4)C5=CC=C(C=C5)N)S(=O)(=O)[O-].[Na+]

Pricing & Availability
Specifications

PubChem CID	3769888
CAS	8064-60-6
Molecular Weight (g/mol)	475.531
MDL Number	MFCD00005798
SMILES	CC1=C(C2=C(C=C1)N=C(S2)C3=CC4=C(C=C3)N=C(S4)C5=CC=C(C=C5)N)S(=O)(=O)[O-].[Na+]
Synonym	Direct Yellow 59,C.I. 49000
IUPAC Name	sodium;2-[2-(4-aminophenyl)-1,3-benzothiazol-6-yl]-6-methyl-1,3-benzothiazole-7-sulfonate
InChI Key	RSRNHSYYBLEMOI-UHFFFAOYSA-M
Molecular Formula	C21H14N3NaO3S3

957

MP Biomedicals, Inc Trypan blue, 83.3%, MP Biomedicals™

CAS: 72-57-1 Molecular Formula: C34H24N6Na4O14S4 Molecular Weight (g/mol): 960.79 MDL Number: MFCD00003969 InChI Key: WMYVHJWZUUEZNE-ARWFNKCKSA-J Synonym: Direct Blue 14,Niagara Blue 3B PubChem CID: 9562061 IUPAC Name: tetrasodium (3Z)-5-amino-3-[2-(4'-{2-[(2Z)-8-amino-1-oxo-3,6-disulfonato-1,2-dihydronaphthalen-2-ylidene]hydrazin-1-yl}-3,3'-dimethyl-[1,1'-biphenyl]-4-yl)hydrazin-1-ylidene]-4-oxo-3,4-dihydronaphthalene-2,7-disulfonate SMILES: [Na+].[Na+].[Na+].[Na+].CC1=CC(=CC=C1N\N=C1\C(=O)C2=C(N)C=C(C=C2C=C1S([O-])(=O)=O)S([O-])(=O)=O)C1=CC=C(N\N=C2\C(=O)C3=C(N)C=C(C=C3C=C2S([O-])(=O)=O)S([O-])(=O)=O)C(C)=C1

Pricing & Availability
Specifications

PubChem CID	9562061
CAS	72-57-1
Molecular Weight (g/mol)	960.79
MDL Number	MFCD00003969
SMILES	[Na+].[Na+].[Na+].[Na+].CC1=CC(=CC=C1N\N=C1\C(=O)C2=C(N)C=C(C=C2C=C1S([O-])(=O)=O)S([O-])(=O)=O)C1=CC=C(N\N=C2\C(=O)C3=C(N)C=C(C=C3C=C2S([O-])(=O)=O)S([O-])(=O)=O)C(C)=C1
Synonym	Direct Blue 14,Niagara Blue 3B
IUPAC Name	tetrasodium (3Z)-5-amino-3-[2-(4'-{2-[(2Z)-8-amino-1-oxo-3,6-disulfonato-1,2-dihydronaphthalen-2-ylidene]hydrazin-1-yl}-3,3'-dimethyl-[1,1'-biphenyl]-4-yl)hydrazin-1-ylidene]-4-oxo-3,4-dihydronaphthalene-2,7-disulfonate
InChI Key	WMYVHJWZUUEZNE-ARWFNKCKSA-J
Molecular Formula	C34H24N6Na4O14S4

958

Thermo Scientific Chemicals Thymolphthalein, 0.05% w/v solution in ethanol

CAS: 125-20-2 Molecular Formula: C28H30O4 Molecular Weight (g/mol): 430.544 MDL Number: MFCD00005909 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
MDL Number	MFCD00005909
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

959

Avantor Macron Phenolphthalein StandAR, Macron Fine Chemicals™

CAS: 77-09-8 Molecular Formula: C20H14O4 Molecular Weight (g/mol): 318.33 MDL Number: MFCD00005913 InChI Key: KJFMBFZCATUALV-UHFFFAOYSA-N 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

Pricing & Availability
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
IUPAC Name	3,3-bis(4-hydroxyphenyl)-1,3-dihydro-2-benzofuran-1-one
InChI Key	KJFMBFZCATUALV-UHFFFAOYSA-N
Molecular Formula	C20H14O4

960

MP Biomedicals, Inc Hematoxylin Hydrate MP Biomedicals

CAS: 517-28-2 Molecular Formula: C16H14O6 Molecular Weight (g/mol): 302.28 MDL Number: MFCD00078111 InChI Key: WZUVPPKBWHMQCE-WKTCHCBJNA-N Synonym: Natural Black I 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

Pricing & Availability
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 I
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

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