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.

1 – 15 of 990 results

Thermo Scientific Chemicals Methylene Blue, pure, certified, residual water

CAS: 7220-79-3 Molecular Formula: C16H24ClN3O3S Molecular Weight (g/mol): 373.90 MDL Number: MFCD00150008 InChI Key: XQAXGZLFSSPBMK-UHFFFAOYSA-M Synonym: Basic Blue 9 PubChem CID: 6099 ChEBI: CHEBI:6872 IUPAC Name: [7-(dimethylamino)phenothiazin-3-ylidene]-dimethylazanium;chloride SMILES: O.O.O.[Cl-].CN(C)C1=CC2=[S+]C3=CC(=CC=C3N=C2C=C1)N(C)C

Pricing and Availability
Specifications

PubChem CID	6099
CAS	7220-79-3
Molecular Weight (g/mol)	373.90
ChEBI	CHEBI:6872
MDL Number	MFCD00150008
SMILES	O.O.O.[Cl-].CN(C)C1=CC2=[S+]C3=CC(=CC=C3N=C2C=C1)N(C)C
Synonym	Basic Blue 9
IUPAC Name	[7-(dimethylamino)phenothiazin-3-ylidene]-dimethylazanium;chloride
InChI Key	XQAXGZLFSSPBMK-UHFFFAOYSA-M
Molecular Formula	C16H24ClN3O3S

Thermo Scientific Chemicals Sudan Red 7B

CAS: 6368-72-5 Molecular Formula: C24H21N5 Molecular Weight (g/mol): 379.467 MDL Number: MFCD00003904 InChI Key: VKWNTWQXVLKCSG-UHFFFAOYSA-N Synonym: C.I. 26050,N-Ethyl-1-[4-(phenylazo)phenylazo]-2-naphthylamine,Fat Red 7B,Solvent Red 19 PubChem CID: 61396 IUPAC Name: N-ethyl-1-[(4-phenyldiazenylphenyl)diazenyl]naphthalen-2-amine SMILES: CCNC1=C(C2=CC=CC=C2C=C1)N=NC3=CC=C(C=C3)N=NC4=CC=CC=C4

Pricing and Availability
Specifications

PubChem CID	61396
CAS	6368-72-5
Molecular Weight (g/mol)	379.467
MDL Number	MFCD00003904
SMILES	CCNC1=C(C2=CC=CC=C2C=C1)N=NC3=CC=C(C=C3)N=NC4=CC=CC=C4
Synonym	C.I. 26050,N-Ethyl-1-[4-(phenylazo)phenylazo]-2-naphthylamine,Fat Red 7B,Solvent Red 19
IUPAC Name	N-ethyl-1-[(4-phenyldiazenylphenyl)diazenyl]naphthalen-2-amine
InChI Key	VKWNTWQXVLKCSG-UHFFFAOYSA-N
Molecular Formula	C24H21N5

Thermo Scientific Chemicals Cresyl Violet acetate

Pricing and Availability

Thermo Scientific Chemicals Safranin O, 85%, pure, certified

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,C.I. 50240,3, 7-Diamino-2, 8-dimethyl-5-phenylphenazinium chloride PubChem CID: 2723800 IUPAC Name: 3,7-dimethyl-10-phenylphenazin-10-ium-2,8-diamine;chloride SMILES: [Cl-].CC1=C(N)C=C2C(=C1)N=C1C(C)=C(N)C=CC1=[N+]2C1=CC=CC=C1

Pricing and 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,C.I. 50240,3, 7-Diamino-2, 8-dimethyl-5-phenylphenazinium chloride
IUPAC Name	3,7-dimethyl-10-phenylphenazin-10-ium-2,8-diamine;chloride
InChI Key	QRYAEWIQIBAZOJ-UHFFFAOYSA-N
Molecular Formula	C20H19ClN4

Thermo Scientific Chemicals Methylene Blue hydrate, pure

CAS: 122965-43-9 Molecular Formula: C16H18ClN3S Molecular Weight (g/mol): 319.85 MDL Number: MFCD00150006 InChI Key: CXKWCBBOMKCUKX-UHFFFAOYSA-M Synonym: Basic Blue 9 hydrate,C.I. 52015 hydrate PubChem CID: 16211647 SMILES: [Cl-].CN(C)C1=CC=C2N=C3C=CC(C=C3SC2=C1)=[N+](C)C

Pricing and Availability
Specifications

PubChem CID	16211647
CAS	122965-43-9
Molecular Weight (g/mol)	319.85
MDL Number	MFCD00150006
SMILES	[Cl-].CN(C)C1=CC=C2N=C3C=CC(C=C3SC2=C1)=[N+](C)C
Synonym	Basic Blue 9 hydrate,C.I. 52015 hydrate
InChI Key	CXKWCBBOMKCUKX-UHFFFAOYSA-M
Molecular Formula	C16H18ClN3S

Thermo Scientific Chemicals Fluorescein, disodium salt dihydrate, 90%, pure

CAS: 1264198-62-0 Molecular Formula: C₂₀H₁₀Na₂O₅·2H₂O MDL Number: MFCD00150814 Synonym: Acid Yellow 73 dihydrate,Fluorescein, water soluble dihydrate,Uranine dihydrate,C.I. 45350 dihydrate

Pricing and Availability
Specifications

CAS	1264198-62-0
MDL Number	MFCD00150814
Synonym	Acid Yellow 73 dihydrate,Fluorescein, water soluble dihydrate,Uranine dihydrate,C.I. 45350 dihydrate
Molecular Formula	C₂₀H₁₀Na₂O₅·2H₂O

Bromocresol Purple sodium salt, 0.04% w/v aq. soln.

CAS: 62625-30-3 Molecular Formula: C21H15Br2NaO5S Molecular Weight (g/mol): 562.204 MDL Number: MFCD00148896 InChI Key: KVSJYIXUWNOWBD-UGAWPWHASA-M Synonym: Bromocresol Purple, water soluble PubChem CID: 23665568 IUPAC Name: sodium;2-[(E)-(3-bromo-4-hydroxy-5-methylphenyl)-(3-bromo-5-methyl-4-oxocyclohexa-2,5-dien-1-ylidene)methyl]benzenesulfonate SMILES: CC1=CC(=C(C2=CC=CC=C2S(=O)(=O)[O-])C3=CC(=C(C(=C3)Br)O)C)C=C(C1=O)Br.[Na+]

Pricing and Availability
Specifications

PubChem CID	23665568
CAS	62625-30-3
Molecular Weight (g/mol)	562.204
MDL Number	MFCD00148896
SMILES	CC1=CC(=C(C2=CC=CC=C2S(=O)(=O)[O-])C3=CC(=C(C(=C3)Br)O)C)C=C(C1=O)Br.[Na+]
Synonym	Bromocresol Purple, water soluble
IUPAC Name	sodium;2-[(E)-(3-bromo-4-hydroxy-5-methylphenyl)-(3-bromo-5-methyl-4-oxocyclohexa-2,5-dien-1-ylidene)methyl]benzenesulfonate
InChI Key	KVSJYIXUWNOWBD-UGAWPWHASA-M
Molecular Formula	C21H15Br2NaO5S

Thermo Scientific Chemicals Eosin Y, pure, high purity, biological stain

CAS: 17372-87-1 Molecular Formula: C20H12Br4Na2O8 Molecular Weight (g/mol): 745.904 MDL Number: MFCD00005040 InChI Key: MASXMTNVNASWNH-UHFFFAOYSA-L Synonym: 2',4',5',7'-Tetrabromofluorescein, disodium salt,Eosin Yellowish,2', 4', 5' PubChem CID: 91886399 IUPAC Name: disodium;2-(2,4,5,7-tetrabromo-3-oxido-6-oxoxanthen-9-yl)benzoate;trihydrate SMILES: C1=CC=C(C(=C1)C2=C3C=C(C(=O)C(=C3OC4=C(C(=C(C=C24)Br)[O-])Br)Br)Br)C(=O)[O-].O.O.O.[Na+].[Na+]

Pricing and Availability
Specifications

PubChem CID	91886399
CAS	17372-87-1
Molecular Weight (g/mol)	745.904
MDL Number	MFCD00005040
SMILES	C1=CC=C(C(=C1)C2=C3C=C(C(=O)C(=C3OC4=C(C(=C(C=C24)Br)[O-])Br)Br)Br)C(=O)[O-].O.O.O.[Na+].[Na+]
Synonym	2',4',5',7'-Tetrabromofluorescein, disodium salt,Eosin Yellowish,2', 4', 5'
IUPAC Name	disodium;2-(2,4,5,7-tetrabromo-3-oxido-6-oxoxanthen-9-yl)benzoate;trihydrate
InChI Key	MASXMTNVNASWNH-UHFFFAOYSA-L
Molecular Formula	C20H12Br4Na2O8

Thermo Scientific Chemicals Ninhydrin, ACS reagent

CAS: 485-47-2 Molecular Formula: C9H6O4 Molecular Weight (g/mol): 178.143 MDL Number: MFCD00003791 InChI Key: FEMOMIGRRWSMCU-UHFFFAOYSA-N Synonym: 1, 2, 3-Indantrione,1, 2, 3-Triketohydrindene,2, 2-Dihydroxy-1H-indene-1, 3(2H)-dione,1H-Indene-1, 2, 3-trione PubChem CID: 10236 ChEBI: CHEBI:86374 IUPAC Name: 2,2-dihydroxyindene-1,3-dione SMILES: C1=CC=C2C(=C1)C(=O)C(C2=O)(O)O

Pricing and Availability
Specifications

PubChem CID	10236
CAS	485-47-2
Molecular Weight (g/mol)	178.143
ChEBI	CHEBI:86374
MDL Number	MFCD00003791
SMILES	C1=CC=C2C(=C1)C(=O)C(C2=O)(O)O
Synonym	1, 2, 3-Indantrione,1, 2, 3-Triketohydrindene,2, 2-Dihydroxy-1H-indene-1, 3(2H)-dione,1H-Indene-1, 2, 3-trione
IUPAC Name	2,2-dihydroxyindene-1,3-dione
InChI Key	FEMOMIGRRWSMCU-UHFFFAOYSA-N
Molecular Formula	C9H6O4

Tiron™

CAS: 149-45-1 Molecular Formula: C6H10Na2O8S2 Molecular Weight (g/mol): 320.238 MDL Number: MFCD00149531 InChI Key: HEOKHLCODUWALT-UHFFFAOYSA-N Synonym: 4,5-Dihydroxy-1,3-benzenedisulfonic acid, disodium salt monohydrate PubChem CID: 131674010 IUPAC Name: 4,5-dihydroxybenzene-1,3-disulfonic acid;molecular hydrogen;sodium SMILES: [HH].[HH].C1=C(C=C(C(=C1S(=O)(=O)O)O)O)S(=O)(=O)O.[Na].[Na]

Pricing and Availability
Specifications

PubChem CID	131674010
CAS	149-45-1
Molecular Weight (g/mol)	320.238
MDL Number	MFCD00149531
SMILES	[HH].[HH].C1=C(C=C(C(=C1S(=O)(=O)O)O)O)S(=O)(=O)O.[Na].[Na]
Synonym	4,5-Dihydroxy-1,3-benzenedisulfonic acid, disodium salt monohydrate
IUPAC Name	4,5-dihydroxybenzene-1,3-disulfonic acid;molecular hydrogen;sodium
InChI Key	HEOKHLCODUWALT-UHFFFAOYSA-N
Molecular Formula	C6H10Na2O8S2

Thermo Scientific Chemicals Brilliant Blue G, pure

CAS: 6104-58-1 Molecular Formula: C47H48N3NaO7S2 Molecular Weight (g/mol): 854.025 MDL Number: MFCD00078482 InChI Key: RWVGQQGBQSJDQV-UHFFFAOYSA-M Synonym: Acid Blue 90,Brilliant Blue G 250,C.I. 42655 PubChem CID: 6328534 IUPAC Name: sodium;3-[[4-[(Z)-[4-(4-ethoxyanilino)phenyl]-[4-[ethyl-[(3-sulfonatophenyl)methyl]azaniumylidene]-2-methylcyclohexa-2,5-dien-1-ylidene]methyl]-N-ethyl-3-methylanilino]methyl]benzenesulfonate SMILES: CCN(CC1=CC(=CC=C1)S(=O)(=O)[O-])C2=CC(=C(C=C2)C(=C3C=CC(=[N+](CC)CC4=CC(=CC=C4)S(=O)(=O)[O-])C=C3C)C5=CC=C(C=C5)NC6=CC=C(C=C6)OCC)C.[Na+]

Pricing and Availability
Specifications

PubChem CID	6328534
CAS	6104-58-1
Molecular Weight (g/mol)	854.025
MDL Number	MFCD00078482
SMILES	CCN(CC1=CC(=CC=C1)S(=O)(=O)[O-])C2=CC(=C(C=C2)C(=C3C=CC(=[N+](CC)CC4=CC(=CC=C4)S(=O)(=O)[O-])C=C3C)C5=CC=C(C=C5)NC6=CC=C(C=C6)OCC)C.[Na+]
Synonym	Acid Blue 90,Brilliant Blue G 250,C.I. 42655
IUPAC Name	sodium;3-[[4-[(Z)-[4-(4-ethoxyanilino)phenyl]-[4-[ethyl-[(3-sulfonatophenyl)methyl]azaniumylidene]-2-methylcyclohexa-2,5-dien-1-ylidene]methyl]-N-ethyl-3-methylanilino]methyl]benzenesulfonate
InChI Key	RWVGQQGBQSJDQV-UHFFFAOYSA-M
Molecular Formula	C47H48N3NaO7S2

Thermo Scientific Chemicals Methylene Blue hydrate, 96+%, high purity biological stain

CAS: 122965-43-9 Molecular Formula: C16H18ClN3S Molecular Weight (g/mol): 319.85 MDL Number: MFCD00150006 InChI Key: CXKWCBBOMKCUKX-UHFFFAOYSA-M Synonym: Basic Blue 9 hydrate,C.I. 52015 hydrate PubChem CID: 16211647 IUPAC Name: [7-(dimethylamino)phenothiazin-3-ylidene]-dimethylazanium;chloride;hydrate SMILES: [Cl-].CN(C)C1=CC=C2N=C3C=CC(C=C3SC2=C1)=[N+](C)C

Pricing and Availability
Specifications

PubChem CID	16211647
CAS	122965-43-9
Molecular Weight (g/mol)	319.85
MDL Number	MFCD00150006
SMILES	[Cl-].CN(C)C1=CC=C2N=C3C=CC(C=C3SC2=C1)=[N+](C)C
Synonym	Basic Blue 9 hydrate,C.I. 52015 hydrate
IUPAC Name	[7-(dimethylamino)phenothiazin-3-ylidene]-dimethylazanium;chloride;hydrate
InChI Key	CXKWCBBOMKCUKX-UHFFFAOYSA-M
Molecular Formula	C16H18ClN3S

Thermo Scientific Chemicals Fluoresceinamine isomer I, pure

CAS: 3326-34-9 Molecular Formula: C20H13NO5 Molecular Weight (g/mol): 347.33 MDL Number: MFCD00005052 InChI Key: GZAJOEGTZDUSKS-UHFFFAOYSA-N Synonym: 5-Aminofluorescein PubChem CID: 76845 IUPAC Name: 6-amino-3',6'-dihydroxyspiro[2-benzofuran-3,9'-xanthene]-1-one SMILES: NC1=CC=C2C(=C1)C(=O)OC21C2=CC=C(O)C=C2OC2=CC(O)=CC=C12

Pricing and Availability
Specifications

PubChem CID	76845
CAS	3326-34-9
Molecular Weight (g/mol)	347.33
MDL Number	MFCD00005052
SMILES	NC1=CC=C2C(=C1)C(=O)OC21C2=CC=C(O)C=C2OC2=CC(O)=CC=C12
Synonym	5-Aminofluorescein
IUPAC Name	6-amino-3',6'-dihydroxyspiro[2-benzofuran-3,9'-xanthene]-1-one
InChI Key	GZAJOEGTZDUSKS-UHFFFAOYSA-N
Molecular Formula	C20H13NO5

Thermo Scientific Chemicals Amaranth, 85%, pure

CAS: 915-67-3 Molecular Formula: C20H11N2Na3O10S3 Molecular Weight (g/mol): 604.46 MDL Number: MFCD00004076 InChI Key: VOBHRQFELWTZFS-DXVNCNPQSA-K Synonym: Acid Red 27,C.I. 16185 PubChem CID: 6364527 IUPAC Name: trisodium;3-oxo-4-[(4-sulfonatonaphthalen-1-yl)hydrazinylidene]naphthalene-2,7-disulfonate SMILES: [Na+].[Na+].[Na+].[O-]S(=O)(=O)C1=CC=C2C(=C1)C=C(C(=O)\C2=N\NC1=C2C=CC=CC2=C(C=C1)S([O-])(=O)=O)S([O-])(=O)=O

Pricing and Availability
Specifications

PubChem CID	6364527
CAS	915-67-3
Molecular Weight (g/mol)	604.46
MDL Number	MFCD00004076
SMILES	[Na+].[Na+].[Na+].[O-]S(=O)(=O)C1=CC=C2C(=C1)C=C(C(=O)\C2=N\NC1=C2C=CC=CC2=C(C=C1)S([O-])(=O)=O)S([O-])(=O)=O
Synonym	Acid Red 27,C.I. 16185
IUPAC Name	trisodium;3-oxo-4-[(4-sulfonatonaphthalen-1-yl)hydrazinylidene]naphthalene-2,7-disulfonate
InChI Key	VOBHRQFELWTZFS-DXVNCNPQSA-K
Molecular Formula	C20H11N2Na3O10S3

Cresyl Violet acetate, pure, certified

CAS: 10510-54-0 Molecular Formula: C18H15N3O3 Molecular Weight (g/mol): 321.34 MDL Number: MFCD00013151,MFCD00013151 InChI Key: XKOCOMKJPWEOHX-UHFFFAOYSA-M PubChem CID: 44134641 SMILES: CC([O-])=O.NC1=CC2=[O+]C3=C(N=C2C=C1)C1=CC=CC=C1C(N)=C3

Pricing and Availability
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
InChI Key	XKOCOMKJPWEOHX-UHFFFAOYSA-M
Molecular Formula	C18H15N3O3

Stains and Dyes

Filtered Search Results

Narrow Results