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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286 – 300 of 7,194 results

286

Thermo Scientific Chemicals Xylenol Orange, sodium salt, pure, water soluble

CAS: 3618-43-7 Molecular Formula: C₃₁H₂₈N₂Na₄O₁₃S

Pricing & Availability
Specifications

CAS	3618-43-7
Molecular Formula	C₃₁H₂₈N₂Na₄O₁₃S

287

Sudan III, Saturated Alcoholic Solution, Ricca Chemical

Fat Stain for Microscopic Examination of Feces

Pricing & Availability

288

Starch Indicator, 0.5% (w/v), Mercury Free, for Iodometric Titrations, Ricca Chemical

Iodometric Titrations

Pricing & Availability
Specifications

Percent Purity	0.5% W/V
CAS	7732-18-5
Color	White
Physical Form	Liquid
pH	5 to 7
Chemical Name or Material	Starch Indicator
Grade	Indicator
Concentration	0.5% (w/v)
Solvent or Matrix	Aqueous Solution

289

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Thermo Scientific Chemicals Brilliant Blue G soln., Ready-to-Use

CAS: 6104-58-1 Molecular Formula: C47H48N3NaO7S2 Molecular Weight (g/mol): 854.025 MDL Number: MFCD00078482 InChI Key: RWVGQQGBQSJDQV-UHFFFAOYSA-M Synonym: Coomassie Brilliant Blue G; 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	Coomassie Brilliant Blue G; 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

290

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Thermo Scientific Chemicals Methyl Orange, ACS reagent

CAS: 547-58-0 Molecular Formula: C14H14N3NaO3S Molecular Weight (g/mol): 327.334 MDL Number: MFCD00007502 InChI Key: STZCRXQWRGQSJD-UHFFFAOYSA-M Synonym: 4-[4-(Dimethylamino)phenylazo]benzenesulfonic acid, sodium salt,Acid Orange 52,C.I. 13025,MO,Helianthise PubChem CID: 23673835 IUPAC Name: sodium;4-[[4-(dimethylamino)phenyl]diazenyl]benzenesulfonate SMILES: CN(C)C1=CC=C(C=C1)N=NC2=CC=C(C=C2)S(=O)(=O)[O-].[Na+]

Pricing & Availability
Specifications

PubChem CID	23673835
CAS	547-58-0
Molecular Weight (g/mol)	327.334
MDL Number	MFCD00007502
SMILES	CN(C)C1=CC=C(C=C1)N=NC2=CC=C(C=C2)S(=O)(=O)[O-].[Na+]
Synonym	4-[4-(Dimethylamino)phenylazo]benzenesulfonic acid, sodium salt,Acid Orange 52,C.I. 13025,MO,Helianthise
IUPAC Name	sodium;4-[[4-(dimethylamino)phenyl]diazenyl]benzenesulfonate
InChI Key	STZCRXQWRGQSJD-UHFFFAOYSA-M
Molecular Formula	C14H14N3NaO3S

291

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

CAS: 1945-77-3 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	1945-77-3
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

292

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Thermo Scientific Chemicals Cresol Red sodium salt

CAS: 62625-29-0 MDL Number: MFCD00001618

Pricing & Availability
Specifications

CAS	62625-29-0
MDL Number	MFCD00001618

293

Thermo Scientific Chemicals Bromophenol Blue sodium salt, ACS reagent

CAS: 34725-61-6 Molecular Formula: C19H9Br4NaO5S Molecular Weight (g/mol): 691.94 MDL Number: MFCD00013793 InChI Key: KGANHHDZDYZJEM-UHFFFAOYNA-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

Pricing & Availability
Specifications

PubChem CID	3791690
CAS	34725-61-6
Molecular Weight (g/mol)	691.94
MDL Number	MFCD00013793
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	KGANHHDZDYZJEM-UHFFFAOYNA-M
Molecular Formula	C19H9Br4NaO5S

294

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Dansyl chloride, 98%

CAS: 605-65-2 Molecular Formula: C12H12ClNO2S Molecular Weight (g/mol): 269.74 MDL Number: MFCD00003985 InChI Key: XPDXVDYUQZHFPV-UHFFFAOYSA-N Synonym: 5-Dimethylamino-1-naphthalenesulfonyl chloride PubChem CID: 11801 ChEBI: CHEBI:51907 IUPAC Name: 5-(dimethylamino)naphthalene-1-sulfonyl chloride SMILES: CN(C)C1=CC=CC2=C(C=CC=C12)S(Cl)(=O)=O

Pricing & Availability
Specifications

PubChem CID	11801
CAS	605-65-2
Molecular Weight (g/mol)	269.74
ChEBI	CHEBI:51907
MDL Number	MFCD00003985
SMILES	CN(C)C1=CC=CC2=C(C=CC=C12)S(Cl)(=O)=O
Synonym	5-Dimethylamino-1-naphthalenesulfonyl chloride
IUPAC Name	5-(dimethylamino)naphthalene-1-sulfonyl chloride
InChI Key	XPDXVDYUQZHFPV-UHFFFAOYSA-N
Molecular Formula	C12H12ClNO2S

295

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Thermo Scientific Chemicals Hematoxylin, 85%, pure, certified

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: (6aR)-7,11b-dihydro-6H-indeno[2,1-c]chromene-3,4,6a,9,10-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	(6aR)-7,11b-dihydro-6H-indeno[2,1-c]chromene-3,4,6a,9,10-pentol
InChI Key	WZUVPPKBWHMQCE-WKTCHCBJNA-N
Molecular Formula	C16H14O6

296

Hydroxynaphthol Blue, Dry in NaCl, Calcium and Hardness Indicator, ACS Grade, LabChem™

CAS: 7647-14-5 Molecular Formula: ClNa Molecular Weight (g/mol): 58.44 MDL Number: MFCD00003477 InChI Key: FAPWRFPIFSIZLT-UHFFFAOYSA-M PubChem CID: 5234 ChEBI: CHEBI:26710 IUPAC Name: sodium chloride SMILES: [Na+].[Cl-]

Pricing & Availability
Specifications

PubChem CID	5234
CAS	7647-14-5
Molecular Weight (g/mol)	58.44
ChEBI	CHEBI:26710
MDL Number	MFCD00003477
SMILES	[Na+].[Cl-]
IUPAC Name	sodium chloride
InChI Key	FAPWRFPIFSIZLT-UHFFFAOYSA-M
Molecular Formula	ClNa

297

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Coumarin 6, 98%, pure

CAS: 38215-36-0 Molecular Formula: C20H18N2O2S Molecular Weight (g/mol): 350.436 MDL Number: MFCD00041869 InChI Key: VBVAVBCYMYWNOU-UHFFFAOYSA-N Synonym: 3-(2'-Benzothiazolyl)-7-diethylaminocoumarin PubChem CID: 100334 ChEBI: CHEBI:51942 IUPAC Name: 3-(1,3-benzothiazol-2-yl)-7-(diethylamino)chromen-2-one SMILES: CCN(CC)C1=CC2=C(C=C1)C=C(C(=O)O2)C3=NC4=CC=CC=C4S3

Pricing & Availability
Specifications

PubChem CID	100334
CAS	38215-36-0
Molecular Weight (g/mol)	350.436
ChEBI	CHEBI:51942
MDL Number	MFCD00041869
SMILES	CCN(CC)C1=CC2=C(C=C1)C=C(C(=O)O2)C3=NC4=CC=CC=C4S3
Synonym	3-(2'-Benzothiazolyl)-7-diethylaminocoumarin
IUPAC Name	3-(1,3-benzothiazol-2-yl)-7-(diethylamino)chromen-2-one
InChI Key	VBVAVBCYMYWNOU-UHFFFAOYSA-N
Molecular Formula	C20H18N2O2S

298

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SPADNS

CAS: 23647-14-5 Molecular Formula: C16H10N2Na3O11S3+ Molecular Weight (g/mol): 571.408 MDL Number: MFCD00003952 InChI Key: LSAWBVPBZOEGOT-UHFFFAOYSA-L Synonym: Sulfanilic acid azochromotrope; 2-(4-Sulfophenylazo)chromotropic acid trisodium salt PubChem CID: 73658865 IUPAC Name: trisodium;5-hydroxy-4-oxo-3-[(4-sulfophenyl)hydrazinylidene]naphthalene-2,7-disulfonate SMILES: C1=CC(=CC=C1NN=C2C(=CC3=CC(=CC(=C3C2=O)O)S(=O)(=O)[O-])S(=O)(=O)[O-])S(=O)(=O)O.[Na+].[Na+].[Na+]

Pricing & Availability
Specifications

PubChem CID	73658865
CAS	23647-14-5
Molecular Weight (g/mol)	571.408
MDL Number	MFCD00003952
SMILES	C1=CC(=CC=C1NN=C2C(=CC3=CC(=CC(=C3C2=O)O)S(=O)(=O)[O-])S(=O)(=O)[O-])S(=O)(=O)O.[Na+].[Na+].[Na+]
Synonym	Sulfanilic acid azochromotrope; 2-(4-Sulfophenylazo)chromotropic acid trisodium salt
IUPAC Name	trisodium;5-hydroxy-4-oxo-3-[(4-sulfophenyl)hydrazinylidene]naphthalene-2,7-disulfonate
InChI Key	LSAWBVPBZOEGOT-UHFFFAOYSA-L
Molecular Formula	C16H10N2Na3O11S3+

299

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Thermo Scientific Chemicals Methylene Blue trihydrate, 95%, pure

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 trihydrate,C.I. 52015 trihydrate PubChem CID: 104827 SMILES: O.O.O.[Cl-].CN(C)C1=CC2=[S+]C3=CC(=CC=C3N=C2C=C1)N(C)C

Pricing & Availability
Specifications

PubChem CID	104827
CAS	7220-79-3
Molecular Weight (g/mol)	373.90
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 trihydrate,C.I. 52015 trihydrate
InChI Key	XQAXGZLFSSPBMK-UHFFFAOYSA-M
Molecular Formula	C16H24ClN3O3S

300

Hydroxy Naphthol Blue, ACS Reagent Grade, Ricca Chemical

CAS: 165660-27-5 Molecular Formula: C20H14N2Na2O11S3 Molecular Weight (g/mol): Mixture InChI Key: LXJHFXHZWYBBKJ-LUUCHEBKSA-N PubChem CID: 131849366 IUPAC Name: 3-hydroxy-4-[(2Z)-2-(2-oxo-4-sulfonaphthalen-1-ylidene)hydrazinyl]naphthalene-2,7-disulfonic acid;sodium SMILES: C1=CC=C2C(=C1)C(=CC(=O)C2=NNC3=C4C=CC(=CC4=CC(=C3O)S(=O)(=O)O)S(=O)(=O)O)S(=O)(=O)O.[Na].[Na]

Pricing & Availability
Specifications

PubChem CID	131849366
CAS	165660-27-5
Molecular Weight (g/mol)	Mixture
SMILES	C1=CC=C2C(=C1)C(=CC(=O)C2=NNC3=C4C=CC(=CC4=CC(=C3O)S(=O)(=O)O)S(=O)(=O)O)S(=O)(=O)O.[Na].[Na]
IUPAC Name	3-hydroxy-4-[(2Z)-2-(2-oxo-4-sulfonaphthalen-1-ylidene)hydrazinyl]naphthalene-2,7-disulfonic acid;sodium
InChI Key	LXJHFXHZWYBBKJ-LUUCHEBKSA-N
Molecular Formula	C20H14N2Na2O11S3

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