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.

796 – 810 of 6,329 results

796

Coumarin 343, pure, laser grade

CAS: 55804-65-4 Molecular Formula: C16H15NO4 Molecular Weight (g/mol): 285.299 MDL Number: MFCD00051335 InChI Key: KCDCNGXPPGQERR-UHFFFAOYSA-N PubChem CID: 108770 ChEBI: CHEBI:51941 SMILES: C1CC2=C3C(=C4C(=C2)C=C(C(=O)O4)C(=O)O)CCCN3C1

Pricing & Availability
Specifications

PubChem CID	108770
CAS	55804-65-4
Molecular Weight (g/mol)	285.299
ChEBI	CHEBI:51941
MDL Number	MFCD00051335
SMILES	C1CC2=C3C(=C4C(=C2)C=C(C(=O)O4)C(=O)O)CCCN3C1
InChI Key	KCDCNGXPPGQERR-UHFFFAOYSA-N
Molecular Formula	C16H15NO4

797

Thermo Scientific Chemicals Fast Green FCF, pure, certified

CAS: 2353-45-9 Molecular Formula: C37H34N2Na2O10S3 Molecular Weight (g/mol): 808.84 MDL Number: MFCD00013053 InChI Key: XJBPDZVCYTYRIN-UHFFFAOYSA-L Synonym: C.I. 42053 PubChem CID: 16887 IUPAC Name: disodium;2-[[4-[ethyl-[(3-sulfonatophenyl)methyl]amino]phenyl]-[4-[ethyl-[(3-sulfonatophenyl)methyl]azaniumylidene]cyclohexa-2,5-dien-1-ylidene]methyl]-5-hydroxybenzenesulfonate SMILES: [Na+].[Na+].CCN(CC1=CC=CC(=C1)S([O-])(=O)=O)C1=CC=C(C=C1)[C+](C1=CC=C(C=C1)N(CC)CC1=CC=CC(=C1)S([O-])(=O)=O)C1=CC=C(O)C=C1S([O-])(=O)=O

Pricing & Availability
Specifications

PubChem CID	16887
CAS	2353-45-9
Molecular Weight (g/mol)	808.84
MDL Number	MFCD00013053
SMILES	[Na+].[Na+].CCN(CC1=CC=CC(=C1)S([O-])(=O)=O)C1=CC=C(C=C1)[C+](C1=CC=C(C=C1)N(CC)CC1=CC=CC(=C1)S([O-])(=O)=O)C1=CC=C(O)C=C1S([O-])(=O)=O
Synonym	C.I. 42053
IUPAC Name	disodium;2-[[4-[ethyl-[(3-sulfonatophenyl)methyl]amino]phenyl]-[4-[ethyl-[(3-sulfonatophenyl)methyl]azaniumylidene]cyclohexa-2,5-dien-1-ylidene]methyl]-5-hydroxybenzenesulfonate
InChI Key	XJBPDZVCYTYRIN-UHFFFAOYSA-L
Molecular Formula	C37H34N2Na2O10S3

798

Fluorescein, Laser Grade 99%, Thermo Scientific Chemicals

CAS: 2321-07-5 Molecular Formula: C20H12O5 Molecular Weight (g/mol): 332.31 InChI Key: GNBHRKFJIUUOQI-UHFFFAOYSA-N PubChem CID: 16850 ChEBI: CHEBI:31624 IUPAC Name: 3',6'-dihydroxyspiro[2-benzofuran-3,9'-xanthene]-1-one SMILES: C1=CC=C2C(=C1)C(=O)OC23C4=C(C=C(C=C4)O)OC5=C3C=CC(=C5)O

Pricing & Availability
Specifications

PubChem CID	16850
CAS	2321-07-5
Molecular Weight (g/mol)	332.31
ChEBI	CHEBI:31624
SMILES	C1=CC=C2C(=C1)C(=O)OC23C4=C(C=C(C=C4)O)OC5=C3C=CC(=C5)O
IUPAC Name	3',6'-dihydroxyspiro[2-benzofuran-3,9'-xanthene]-1-one
InChI Key	GNBHRKFJIUUOQI-UHFFFAOYSA-N
Molecular Formula	C20H12O5

799

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

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 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

800

D-Luciferin sodium salt monohydrate, 98+%

CAS: 103404-75-7 Molecular Formula: C11H7N2NaO3S2 Molecular Weight (g/mol): 302.298 MDL Number: MFCD11865368 InChI Key: BZNVUYVALNTPBG-QWLWRJJTSA-M Synonym: Firefly Luciferin monosodium salt monohydrate PubChem CID: 133109097 IUPAC Name: sodium;(2E,4R)-2-(6-oxo-1,3-benzothiazol-2-ylidene)-1,3-thiazolidine-4-carboxylate SMILES: C1C(NC(=C2N=C3C=CC(=O)C=C3S2)S1)C(=O)[O-].[Na+]

Pricing & Availability
Specifications

PubChem CID	133109097
CAS	103404-75-7
Molecular Weight (g/mol)	302.298
MDL Number	MFCD11865368
SMILES	C1C(NC(=C2N=C3C=CC(=O)C=C3S2)S1)C(=O)[O-].[Na+]
Synonym	Firefly Luciferin monosodium salt monohydrate
IUPAC Name	sodium;(2E,4R)-2-(6-oxo-1,3-benzothiazol-2-ylidene)-1,3-thiazolidine-4-carboxylate
InChI Key	BZNVUYVALNTPBG-QWLWRJJTSA-M
Molecular Formula	C11H7N2NaO3S2

801

Thermo Scientific Chemicals Methylthymol blue, tetrasodium salt, ACS reagent, indicator grade

CAS: 108722-19-6 Molecular Formula: C37H44N2Na4O13S Molecular Weight (g/mol): 848.779 MDL Number: MFCD00148905 InChI Key: LGVVZVZPOQJZKT-UHFFFAOYSA-N PubChem CID: 131850582 IUPAC Name: 2-[[5-[3-[3-[[bis(carboxymethyl)amino]methyl]-4-hydroxy-2-methyl-5-propan-2-ylphenyl]-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]-2-hydroxy-6-methyl-3-propan-2-ylphenyl]methyl-(carboxymethyl)amino]acetic acid;sodium SMILES: CC1=C(C(=C(C=C1C2(C3=CC=CC=C3S(=O)(=O)O2)C4=CC(=C(C(=C4C)CN(CC(=O)O)CC(=O)O)O)C(C)C)C(C)C)O)CN(CC(=O)O)CC(=O)O.[Na].[Na].[Na].[Na]

Pricing & Availability
Specifications

PubChem CID	131850582
CAS	108722-19-6
Molecular Weight (g/mol)	848.779
MDL Number	MFCD00148905
SMILES	CC1=C(C(=C(C=C1C2(C3=CC=CC=C3S(=O)(=O)O2)C4=CC(=C(C(=C4C)CN(CC(=O)O)CC(=O)O)O)C(C)C)C(C)C)O)CN(CC(=O)O)CC(=O)O.[Na].[Na].[Na].[Na]
IUPAC Name	2-[[5-[3-[3-[[bis(carboxymethyl)amino]methyl]-4-hydroxy-2-methyl-5-propan-2-ylphenyl]-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]-2-hydroxy-6-methyl-3-propan-2-ylphenyl]methyl-(carboxymethyl)amino]acetic acid;sodium
InChI Key	LGVVZVZPOQJZKT-UHFFFAOYSA-N
Molecular Formula	C37H44N2Na4O13S

802

Thermo Scientific Chemicals Indigo, synthetic

CAS: 482-89-3 Molecular Formula: C16H10N2O2 Molecular Weight (g/mol): 262.268 MDL Number: MFCD00005722 InChI Key: COHYTHOBJLSHDF-BUHFOSPRSA-N Synonym: C.I. 73000,Vat Blue 1 PubChem CID: 5318432 IUPAC Name: (2E)-2-(3-oxo-1H-indol-2-ylidene)-1H-indol-3-one SMILES: C1=CC=C2C(=C1)C(=O)C(=C3C(=O)C4=CC=CC=C4N3)N2

Pricing & Availability
Specifications

PubChem CID	5318432
CAS	482-89-3
Molecular Weight (g/mol)	262.268
MDL Number	MFCD00005722
SMILES	C1=CC=C2C(=C1)C(=O)C(=C3C(=O)C4=CC=CC=C4N3)N2
Synonym	C.I. 73000,Vat Blue 1
IUPAC Name	(2E)-2-(3-oxo-1H-indol-2-ylidene)-1H-indol-3-one
InChI Key	COHYTHOBJLSHDF-BUHFOSPRSA-N
Molecular Formula	C16H10N2O2

803

Thermo Scientific Chemicals Chromoxane Cyanine R, pure

CAS: 3564-18-9 Molecular Formula: C₂₃H₁₅Na₃O₉S MDL Number: MFCD00012411 Synonym: C.I. 43820,Mordant Blue 3

Pricing & Availability
Specifications

CAS	3564-18-9
MDL Number	MFCD00012411
Synonym	C.I. 43820,Mordant Blue 3
Molecular Formula	C₂₃H₁₅Na₃O₉S

804

Thermo Scientific Chemicals Sudan I, pure

CAS: 842-07-9 Molecular Formula: C16H12N2O Molecular Weight (g/mol): 248.285 MDL Number: MFCD00003911 InChI Key: ZONYAPYTDIVJGG-VLGSPTGOSA-N Synonym: C.I. 12055,1-Phenylazo-2-naphthol,Solvent Yellow 14 PubChem CID: 5858445 IUPAC Name: (1Z)-1-(phenylhydrazinylidene)naphthalen-2-one SMILES: C1=CC=C(C=C1)NN=C2C(=O)C=CC3=CC=CC=C32

Pricing & Availability
Specifications

PubChem CID	5858445
CAS	842-07-9
Molecular Weight (g/mol)	248.285
MDL Number	MFCD00003911
SMILES	C1=CC=C(C=C1)NN=C2C(=O)C=CC3=CC=CC=C32
Synonym	C.I. 12055,1-Phenylazo-2-naphthol,Solvent Yellow 14
IUPAC Name	(1Z)-1-(phenylhydrazinylidene)naphthalen-2-one
InChI Key	ZONYAPYTDIVJGG-VLGSPTGOSA-N
Molecular Formula	C16H12N2O

805

Thermo Scientific Chemicals Bromophenol Blue, sodium salt, pure, water soluble, indicator

CAS: 34725-61-6 Molecular Formula: C19H9Br4NaO5S Molecular Weight (g/mol): 691.942 MDL Number: MFCD00013793 InChI Key: TWKDJMRHSLWRFI-UHFFFAOYSA-M Synonym: 3',3'',5',5''-Tetrabromophenolsulfonephthalein PubChem CID: 3791690 IUPAC Name: sodium;2-[(3,5-dibromo-4-hydroxyphenyl)-(3,5-dibromo-4-oxocyclohexa-2,5-dien-1-ylidene)methyl]benzenesulfonate SMILES: C1=CC=C(C(=C1)C(=C2C=C(C(=O)C(=C2)Br)Br)C3=CC(=C(C(=C3)Br)O)Br)S(=O)(=O)[O-].[Na+]

Pricing & Availability
Specifications

PubChem CID	3791690
CAS	34725-61-6
Molecular Weight (g/mol)	691.942
MDL Number	MFCD00013793
SMILES	C1=CC=C(C(=C1)C(=C2C=C(C(=O)C(=C2)Br)Br)C3=CC(=C(C(=C3)Br)O)Br)S(=O)(=O)[O-].[Na+]
Synonym	3',3'',5',5''-Tetrabromophenolsulfonephthalein
IUPAC Name	sodium;2-[(3,5-dibromo-4-hydroxyphenyl)-(3,5-dibromo-4-oxocyclohexa-2,5-dien-1-ylidene)methyl]benzenesulfonate
InChI Key	TWKDJMRHSLWRFI-UHFFFAOYSA-M
Molecular Formula	C19H9Br4NaO5S

806

Thermo Scientific Chemicals Giemsa Stain, pure, high purity biological stain

CAS: 51811-82-6 Molecular Formula: C14H14ClN3S Molecular Weight (g/mol): 291.80 MDL Number: MFCD00012112,MFCD00081642 InChI Key: NALREUIWICQLPS-UHFFFAOYSA-N PubChem CID: 13735 IUPAC Name: (7-aminophenothiazin-3-ylidene)-dimethylazanium;chloride SMILES: [Cl-].C[N+](C)=C1C=CC2=NC3=CC=C(N)C=C3SC2=C1

Pricing & Availability
Specifications

PubChem CID	13735
CAS	51811-82-6
Molecular Weight (g/mol)	291.80
MDL Number	MFCD00012112,MFCD00081642
SMILES	[Cl-].C[N+](C)=C1C=CC2=NC3=CC=C(N)C=C3SC2=C1
IUPAC Name	(7-aminophenothiazin-3-ylidene)-dimethylazanium;chloride
InChI Key	NALREUIWICQLPS-UHFFFAOYSA-N
Molecular Formula	C14H14ClN3S

807

Thermo Scientific Chemicals Chlorophenol Red, pure, indicator grade

CAS: 4430-20-0 Molecular Formula: C19H12Cl2O5S Molecular Weight (g/mol): 423.26 MDL Number: MFCD00005877 InChI Key: WWAABJGNHFGXSJ-UHFFFAOYSA-N Synonym: CPR,3', 3''-Dichlorophenylsulfonphthalein PubChem CID: 20486 IUPAC Name: 2-chloro-4-[3-(3-chloro-4-hydroxyphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]phenol SMILES: OC1=CC=C(C=C1Cl)C1(OS(=O)(=O)C2=CC=CC=C12)C1=CC=C(O)C(Cl)=C1

Pricing & Availability
Specifications

PubChem CID	20486
CAS	4430-20-0
Molecular Weight (g/mol)	423.26
MDL Number	MFCD00005877
SMILES	OC1=CC=C(C=C1Cl)C1(OS(=O)(=O)C2=CC=CC=C12)C1=CC=C(O)C(Cl)=C1
Synonym	CPR,3', 3''-Dichlorophenylsulfonphthalein
IUPAC Name	2-chloro-4-[3-(3-chloro-4-hydroxyphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]phenol
InChI Key	WWAABJGNHFGXSJ-UHFFFAOYSA-N
Molecular Formula	C19H12Cl2O5S

808

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

Pricing & Availability
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

809

Thermo Scientific Chemicals Victoria Blue B, pure

CAS: 2580-56-5 Molecular Formula: C33H32ClN3 Molecular Weight (g/mol): 506.09 MDL Number: MFCD00011878 InChI Key: LLWJPGAKXJBKKA-UHFFFAOYSA-N Synonym: Basic Blue 26,C.I. 44045 PubChem CID: 17407 ChEBI: CHEBI:87651 IUPAC Name: [4-[bis[4-(dimethylamino)phenyl]methylidene]naphthalen-1-ylidene]-phenylazanium;chloride SMILES: CN(C)C1=CC=C(C=C1)C(=C2C=CC(=[NH+]C3=CC=CC=C3)C4=CC=CC=C24)C5=CC=C(C=C5)N(C)C.[Cl-]

Pricing & Availability
Specifications

PubChem CID	17407
CAS	2580-56-5
Molecular Weight (g/mol)	506.09
ChEBI	CHEBI:87651
MDL Number	MFCD00011878
SMILES	CN(C)C1=CC=C(C=C1)C(=C2C=CC(=[NH+]C3=CC=CC=C3)C4=CC=CC=C24)C5=CC=C(C=C5)N(C)C.[Cl-]
Synonym	Basic Blue 26,C.I. 44045
IUPAC Name	[4-[bis[4-(dimethylamino)phenyl]methylidene]naphthalen-1-ylidene]-phenylazanium;chloride
InChI Key	LLWJPGAKXJBKKA-UHFFFAOYSA-N
Molecular Formula	C33H32ClN3

810

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 & 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

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