Staining Reagents

Stains, staining systems, and blocking agents in a variety of types, grades, molecular weights, purities, and pH ranges; used to elucidate important structures of microorganisms including bacteria, viruses, protozoa, etc.

Stains and Dyes (9,112)

Tissue Stain Blocking Reagents (81)

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331 – 345 of 7,032 results

331

Thermo Scientific Chemicals Direct Red 80

CAS: 2610-10-8 MDL Number: MFCD00054389

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Specifications

CAS	2610-10-8
MDL Number	MFCD00054389

332

Methylthymol Blue Sodium Salt 95.0+%, TCI America™

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]

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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

333

Thermo Scientific Chemicals Bromophenol Blue, ACS reagent

CAS: 115-39-9 Molecular Formula: C19H10Br4O5S Molecular Weight (g/mol): 669.96 MDL Number: MFCD00005875 InChI Key: UDSAIICHUKSCKT-UHFFFAOYSA-N Synonym: 3',3'',5',5''-Tetrabromophenolsulfonephthalein,BPB,3', 3'', 5' PubChem CID: 8272 ChEBI: CHEBI:59424 IUPAC Name: 2,6-dibromo-4-[3-(3,5-dibromo-4-hydroxyphenyl)-1,1-dioxo-2,1,lambda{6}-benzoxathiol-3-yl]phenol SMILES: C1=CC=C2C(=C1)C(OS2(=O)=O)(C3=CC(=C(C(=C3)Br)O)Br)C4=CC(=C(C(=C4)Br)O)Br

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Specifications

PubChem CID	8272
CAS	115-39-9
Molecular Weight (g/mol)	669.96
ChEBI	CHEBI:59424
MDL Number	MFCD00005875
SMILES	C1=CC=C2C(=C1)C(OS2(=O)=O)(C3=CC(=C(C(=C3)Br)O)Br)C4=CC(=C(C(=C4)Br)O)Br
Synonym	3',3'',5',5''-Tetrabromophenolsulfonephthalein,BPB,3', 3'', 5'
IUPAC Name	2,6-dibromo-4-[3-(3,5-dibromo-4-hydroxyphenyl)-1,1-dioxo-2,1,lambda{6}-benzoxathiol-3-yl]phenol
InChI Key	UDSAIICHUKSCKT-UHFFFAOYSA-N
Molecular Formula	C19H10Br4O5S

334

Amido Black 10B

CAS: 1064-48-8 Molecular Formula: C22H14N6Na2O9S2 Molecular Weight (g/mol): 616.487 MDL Number: MFCD00004017 InChI Key: HKBVRFLHNUEVRO-UHFFFAOYSA-L Synonym: C.I. 20470,Naphthalene Black 10B 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+]

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Specifications

PubChem CID	44134531
CAS	1064-48-8
Molecular Weight (g/mol)	616.487
MDL Number	MFCD00004017
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	C.I. 20470,Naphthalene Black 10B
IUPAC Name	disodium;4-amino-3-[(4-nitrophenyl)diazenyl]-5-oxo-6-(phenylhydrazinylidene)naphthalene-2,7-disulfonate
InChI Key	HKBVRFLHNUEVRO-UHFFFAOYSA-L
Molecular Formula	C22H14N6Na2O9S2

335

Thermo Scientific Chemicals Malachite Green oxalate, pure, certified

CAS: 2437-29-8 Molecular Formula: C52H54N4O12 Molecular Weight (g/mol): 927.02 MDL Number: MFCD00011766,MFCD00151209 InChI Key: CNYGFPPAGUCRIC-UHFFFAOYSA-L Synonym: Basic Green 4,C.I. 42000 PubChem CID: 2724411 IUPAC Name: [4-[[4-(dimethylamino)phenyl]-phenylmethylidene]cyclohexa-2,5-dien-1-ylidene]-dimethylazanium;2-hydroxy-2-oxoacetate;oxalic acid SMILES: OC(=O)C(O)=O.OC(=O)C([O-])=O.OC(=O)C([O-])=O.CN(C)C1=CC=C(C=C1)[C+](C1=CC=CC=C1)C1=CC=C(C=C1)N(C)C.CN(C)C1=CC=C(C=C1)[C+](C1=CC=CC=C1)C1=CC=C(C=C1)N(C)C

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Specifications

PubChem CID	2724411
CAS	2437-29-8
Molecular Weight (g/mol)	927.02
MDL Number	MFCD00011766,MFCD00151209
SMILES	OC(=O)C(O)=O.OC(=O)C([O-])=O.OC(=O)C([O-])=O.CN(C)C1=CC=C(C=C1)[C+](C1=CC=CC=C1)C1=CC=C(C=C1)N(C)C.CN(C)C1=CC=C(C=C1)[C+](C1=CC=CC=C1)C1=CC=C(C=C1)N(C)C
Synonym	Basic Green 4,C.I. 42000
IUPAC Name	[4-[[4-(dimethylamino)phenyl]-phenylmethylidene]cyclohexa-2,5-dien-1-ylidene]-dimethylazanium;2-hydroxy-2-oxoacetate;oxalic acid
InChI Key	CNYGFPPAGUCRIC-UHFFFAOYSA-L
Molecular Formula	C52H54N4O12

336

2',7'-Dichlorofluorescein, ACS reagent

CAS: 76-54-0 Molecular Formula: C20H10Cl2O5 Molecular Weight (g/mol): 401.195 InChI Key: VFNKZQNIXUFLBC-UHFFFAOYSA-N Synonym: 2',7'-Dichloro-3',6'-dihydroxyspiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one PubChem CID: 64944 ChEBI: CHEBI:51596 IUPAC Name: 2',7'-dichloro-3',6'-dihydroxyspiro[2-benzofuran-3,9'-xanthene]-1-one SMILES: C1=CC=C2C(=C1)C(=O)OC23C4=CC(=C(C=C4OC5=CC(=C(C=C35)Cl)O)O)Cl

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Specifications

PubChem CID	64944
CAS	76-54-0
Molecular Weight (g/mol)	401.195
ChEBI	CHEBI:51596
SMILES	C1=CC=C2C(=C1)C(=O)OC23C4=CC(=C(C=C4OC5=CC(=C(C=C35)Cl)O)O)Cl
Synonym	2',7'-Dichloro-3',6'-dihydroxyspiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one
IUPAC Name	2',7'-dichloro-3',6'-dihydroxyspiro[2-benzofuran-3,9'-xanthene]-1-one
InChI Key	VFNKZQNIXUFLBC-UHFFFAOYSA-N
Molecular Formula	C20H10Cl2O5

337

Thermo Scientific Chemicals Methyl Red sodium salt, 0.02% w/v aq. soln.

CAS: 845-10-3 Molecular Formula: C15H14N3NaO2 Molecular Weight (g/mol): 291.286 MDL Number: MFCD00002426 InChI Key: GNTPCYMJCJNRQB-UHFFFAOYSA-M PubChem CID: 4465632 IUPAC Name: sodium;2-[[4-(dimethylamino)phenyl]diazenyl]benzoate SMILES: CN(C)C1=CC=C(C=C1)N=NC2=CC=CC=C2C(=O)[O-].[Na+]

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Specifications

PubChem CID	4465632
CAS	845-10-3
Molecular Weight (g/mol)	291.286
MDL Number	MFCD00002426
SMILES	CN(C)C1=CC=C(C=C1)N=NC2=CC=CC=C2C(=O)[O-].[Na+]
IUPAC Name	sodium;2-[[4-(dimethylamino)phenyl]diazenyl]benzoate
InChI Key	GNTPCYMJCJNRQB-UHFFFAOYSA-M
Molecular Formula	C15H14N3NaO2

338

Thermo Scientific Chemicals Cresol Red, pure, Indicator grade

CAS: 1733-12-6 Molecular Formula: C21H18O5S Molecular Weight (g/mol): 382.43 MDL Number: MFCD00005878 InChI Key: OBRMNDMBJQTZHV-UHFFFAOYSA-N PubChem CID: 73013 ChEBI: CHEBI:86218 IUPAC Name: 4-[3-(4-hydroxy-3-methylphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]-2-methylphenol SMILES: CC1=CC(=CC=C1O)C1(OS(=O)(=O)C2=CC=CC=C12)C1=CC=C(O)C(C)=C1

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Specifications

PubChem CID	73013
CAS	1733-12-6
Molecular Weight (g/mol)	382.43
ChEBI	CHEBI:86218
MDL Number	MFCD00005878
SMILES	CC1=CC(=CC=C1O)C1(OS(=O)(=O)C2=CC=CC=C12)C1=CC=C(O)C(C)=C1
IUPAC Name	4-[3-(4-hydroxy-3-methylphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]-2-methylphenol
InChI Key	OBRMNDMBJQTZHV-UHFFFAOYSA-N
Molecular Formula	C21H18O5S

339

MilliporeSigma™ Hematoxylin solution (Gill III)

Stains nuclei of cells by using histological staining technique where nuclear staining is achieved using ready-to-use staining solutions.

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Specifications

Content And Storage	15° to 25°C

340

Rhodamine B base, 97%

CAS: 509-34-2 Molecular Formula: C₂₈H₃₀N₂O₃ MDL Number: MFCD00066967 Synonym: C.I. 45170.1,Solvent Red 49

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Specifications

CAS	509-34-2
MDL Number	MFCD00066967
Synonym	C.I. 45170.1,Solvent Red 49
Molecular Formula	C₂₈H₃₀N₂O₃

341

Thermo Scientific Chemicals Phloxine B, 85%, pure, high purity, Biological stain

CAS: 18472-87-2 Molecular Formula: C₂₀H₂Br₄Cl₄Na₂O₅ MDL Number: MFCD00005061 Synonym: Acid Red 92,C.I. 45410

Pricing & Availability
Specifications

CAS	18472-87-2
MDL Number	MFCD00005061
Synonym	Acid Red 92,C.I. 45410
Molecular Formula	C₂₀H₂Br₄Cl₄Na₂O₅

342

LabChem, Inc. Starch Indicator, Preserved with Salicylic Acid (Mercury Free), Certified, 1%, LabChem™

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Specifications

Name Note	Preserved with Salicylic Acid (Mercury Free)
CAS	69-72-7
Health Hazard 3	GHS P Statement If in contact with skin or eyes, rinse thoroughly with water for 15-20 minutes. If swallowed, get medical attention.
Health Hazard 2	GHS H Statement Solution is not hazardous.
Physical Form	Liquid
Chemical Name or Material	Starch Indicator
Grade	Certified
Recommended Storage	Room Temperature
CAS Max %	0.1

343

MP Biomedicals™ Fluorescent Brightener 28

Fluoresces clear bluish under UV radiation. Fluorescent Brightener 28 is a colorless organic compound that is used for the staining of fungi and as a viability stain. Industrial uses include use as a fluorescent brightening agent for cellulose and polyamide fabrics, paper and detergents and soaps.

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Specifications

Type	Fluorescent Brightener
Format	Powder
CAS	4404-43-7
Color	Yellow
Synonym	Calcofluor White M2R, Tinopal UNPA-GX
Concentration	0.05% to 0.20%
Storage Requirements	Store at Room Temperature (15°C to 30°C)
Molecular Formula	C40H42N12O10S2Na2
For Use With (Application)	Fluorescent Brightener 28 is used for the staining of fungi and as a viability stain. Industrial uses include use as a fluorescent brightening agent for cellulose and polyamide fabrics, paper and in detergents and soaps.
Formula Weight	960.96
Melting Point	290°C

344

BD Horizon™ Fixable Viability Stain 660

Useful for discrimination of viable from non-viable mammalian cells in multicolor flow cytometric applications

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345

Thermo Scientific Chemicals Brilliant Blue R, pure

CAS: 6104-59-2 Molecular Formula: C45H44N3NaO7S2 Molecular Weight (g/mol): 825.97 MDL Number: MFCD00041762 InChI Key: HAEGGLCXLFWTBE-UHFFFAOYSA-M Synonym: Acid Blue 83,C.I. 42660,Coomassie™ Brilliant Blue R-250 PubChem CID: 61365 IUPAC Name: sodium;3-[[4-[[4-(4-ethoxyanilino)phenyl]-[4-[ethyl-[(3-sulfonatophenyl)methyl]azaniumylidene]cyclohexa-2,5-dien-1-ylidene]methyl]-N-ethylanilino]methyl]benzenesulfonate SMILES: [Na+].CCOC1=CC=C(NC2=CC=C(C=C2)[C+](C2=CC=C(C=C2)N(CC)CC2=CC=CC(=C2)S([O-])(=O)=O)C2=CC=C(C=C2)N(CC)CC2=CC=CC(=C2)S([O-])(=O)=O)C=C1

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Specifications

PubChem CID	61365
CAS	6104-59-2
Molecular Weight (g/mol)	825.97
MDL Number	MFCD00041762
SMILES	[Na+].CCOC1=CC=C(NC2=CC=C(C=C2)[C+](C2=CC=C(C=C2)N(CC)CC2=CC=CC(=C2)S([O-])(=O)=O)C2=CC=C(C=C2)N(CC)CC2=CC=CC(=C2)S([O-])(=O)=O)C=C1
Synonym	Acid Blue 83,C.I. 42660,Coomassie™ Brilliant Blue R-250
IUPAC Name	sodium;3-[[4-[[4-(4-ethoxyanilino)phenyl]-[4-[ethyl-[(3-sulfonatophenyl)methyl]azaniumylidene]cyclohexa-2,5-dien-1-ylidene]methyl]-N-ethylanilino]methyl]benzenesulfonate
InChI Key	HAEGGLCXLFWTBE-UHFFFAOYSA-M
Molecular Formula	C45H44N3NaO7S2

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