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 (9,376)

Tissue Stain Blocking Reagents (81)

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1,141 – 1,155 of 7,310 results

1,141

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FD and C Red No. 3, Spectrum™ Chemical

CAS: 16423-68-0 Molecular Formula: C20H6I4Na2O5 Molecular Weight (g/mol): 879.86 MDL Number: MFCD00144257 InChI Key: IINNWAYUJNWZRM-UHFFFAOYSA-L IUPAC Name: disodium 2-(2,4,5,7-tetraiodo-6-oxido-3-oxo-3H-xanthen-9-yl)benzoate SMILES: [Na+].[Na+].[O-]C(=O)C1=C(C=CC=C1)C1=C2C=C(I)C(=O)C(I)=C2OC2=C(I)C([O-])=C(I)C=C12

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Specifications

CAS	16423-68-0
Molecular Weight (g/mol)	879.86
MDL Number	MFCD00144257
SMILES	[Na+].[Na+].[O-]C(=O)C1=C(C=CC=C1)C1=C2C=C(I)C(=O)C(I)=C2OC2=C(I)C([O-])=C(I)C=C12
IUPAC Name	disodium 2-(2,4,5,7-tetraiodo-6-oxido-3-oxo-3H-xanthen-9-yl)benzoate
InChI Key	IINNWAYUJNWZRM-UHFFFAOYSA-L
Molecular Formula	C20H6I4Na2O5

1,142

Reactive Yellow 86, Practical grade, MP Biomedicals™

CAS: 61951-86-8 Molecular Formula: C18H14Cl2N8Na2O9S2 Molecular Weight (g/mol): 667.357 InChI Key: JUNRGNKPIKIXLL-UHFFFAOYSA-L PubChem CID: 57369787 IUPAC Name: disodium;4-[2-(5-carbamoyl-1-ethyl-4-methyl-2,6-dioxopyridin-3-ylidene)hydrazinyl]-6-[(4,6-dichloro-1,3,5-triazin-2-yl)amino]benzene-1,3-disulfonate SMILES: CCN1C(=O)C(=C(C(=NNC2=C(C=C(C(=C2)NC3=NC(=NC(=N3)Cl)Cl)S(=O)(=O)[O-])S(=O)(=O)[O-])C1=O)C)C(=O)N.[Na+].[Na+]

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Specifications

PubChem CID	57369787
CAS	61951-86-8
Molecular Weight (g/mol)	667.357
SMILES	CCN1C(=O)C(=C(C(=NNC2=C(C=C(C(=C2)NC3=NC(=NC(=N3)Cl)Cl)S(=O)(=O)[O-])S(=O)(=O)[O-])C1=O)C)C(=O)N.[Na+].[Na+]
IUPAC Name	disodium;4-[2-(5-carbamoyl-1-ethyl-4-methyl-2,6-dioxopyridin-3-ylidene)hydrazinyl]-6-[(4,6-dichloro-1,3,5-triazin-2-yl)amino]benzene-1,3-disulfonate
InChI Key	JUNRGNKPIKIXLL-UHFFFAOYSA-L
Molecular Formula	C18H14Cl2N8Na2O9S2

1,143

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Thermo Scientific Chemicals Erythrosin B, pure, high purity, biological stain

CAS: 16423-68-0 Molecular Formula: C20H6I4Na2O5 Molecular Weight (g/mol): 879.86 MDL Number: MFCD00144257 InChI Key: IINNWAYUJNWZRM-UHFFFAOYSA-L Synonym: Acid Red 51,C.I. 45430 PubChem CID: 12961638 IUPAC Name: disodium 2-(2,4,5,7-tetraiodo-6-oxido-3-oxo-3H-xanthen-9-yl)benzoate SMILES: [Na+].[Na+].[O-]C(=O)C1=C(C=CC=C1)C1=C2C=C(I)C(=O)C(I)=C2OC2=C(I)C([O-])=C(I)C=C12

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Specifications

PubChem CID	12961638
CAS	16423-68-0
Molecular Weight (g/mol)	879.86
MDL Number	MFCD00144257
SMILES	[Na+].[Na+].[O-]C(=O)C1=C(C=CC=C1)C1=C2C=C(I)C(=O)C(I)=C2OC2=C(I)C([O-])=C(I)C=C12
Synonym	Acid Red 51,C.I. 45430
IUPAC Name	disodium 2-(2,4,5,7-tetraiodo-6-oxido-3-oxo-3H-xanthen-9-yl)benzoate
InChI Key	IINNWAYUJNWZRM-UHFFFAOYSA-L
Molecular Formula	C20H6I4Na2O5

1,144

Fluoresceinamine, isomer I, 96%

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

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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

1,145

MilliporeSigma™ YUMMER1.7 D4 Mouse Melanoma Cell Line

YUMMER1.7D4 mouse melanoma cell line for studies of immune checkpoint inhibition and mechanisms of antitumor responses

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1,146

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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

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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

1,147

Variamine Blue B 98.0+%, TCI America™

CAS: 3566-44-7 Molecular Formula: C13H15ClN2O Molecular Weight (g/mol): 250.726 MDL Number: MFCD00012989 InChI Key: HPQQXLXIGHOKNZ-UHFFFAOYSA-N PubChem CID: 77108 IUPAC Name: 4-N-(4-methoxyphenyl)benzene-1,4-diamine;hydrochloride SMILES: COC1=CC=C(C=C1)NC2=CC=C(C=C2)N.Cl

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Specifications

PubChem CID	77108
CAS	3566-44-7
Molecular Weight (g/mol)	250.726
MDL Number	MFCD00012989
SMILES	COC1=CC=C(C=C1)NC2=CC=C(C=C2)N.Cl
IUPAC Name	4-N-(4-methoxyphenyl)benzene-1,4-diamine;hydrochloride
InChI Key	HPQQXLXIGHOKNZ-UHFFFAOYSA-N
Molecular Formula	C13H15ClN2O

1,148

Bromophenol Blue Indicator, 0.04% (w/v), Ricca Chemical

Pricing & Availability
Specifications

Percent Purity	0.04% W/V
CAS	7732-18-5
Color	Dark Reddish Purple
Physical Form	Liquid
pH	4
Packaging	Natural Poly Bottle
CAS Min %	0.04
Chemical Name or Material	Bromophenol Blue Indicator
Grade	Indicator
CAS Max %	0.04

1,149

Nuclear Fast Red Solution, Ricca Chemical

Pricing & Availability
Specifications

CAS	7784-31-8
Physical Form	Liquid
CAS Min %	0.09
Chemical Name or Material	Nuclear Fast Red Solution
CAS Max %	0.1

1,150

Coomassie Brilliant Blue G-250 [for Electrophoresis], TCI America™

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, CBB G-250 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+]

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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, CBB G-250
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

1,151

Phenolphthalein Indicator, 1% (w/v) in Methanol, Neutralized, Ricca Chemical

CAS: 77-09-8 Molecular Formula: C20H14O4 Molecular Weight (g/mol): Mixture 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

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Specifications

PubChem CID	4764
CAS	77-09-8
Molecular Weight (g/mol)	Mixture
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

1,152

Acid Red 18 85.0+%, TCI America™

CAS: 2611-82-7 Molecular Formula: C20H11N2Na3O10S3 Molecular Weight (g/mol): 604.46 MDL Number: MFCD00004084 InChI Key: IVNZBWNBYXERPK-DZGBHZPSSA-K Synonym: New Coccine, Ponceau 4R, Scarlet 3R PubChem CID: 131851859 IUPAC Name: trisodium (8Z)-7-oxo-8-[2-(4-sulfonatonaphthalen-1-yl)hydrazin-1-ylidene]-7,8-dihydronaphthalene-1,3-disulfonate SMILES: [Na+].[Na+].[Na+].[O-]S(=O)(=O)C1=CC2=C(\C(=N\NC3=C4C=CC=CC4=C(C=C3)S([O-])(=O)=O)C(=O)C=C2)C(=C1)S([O-])(=O)=O

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Specifications

PubChem CID	131851859
CAS	2611-82-7
Molecular Weight (g/mol)	604.46
MDL Number	MFCD00004084
SMILES	[Na+].[Na+].[Na+].[O-]S(=O)(=O)C1=CC2=C(\C(=N\NC3=C4C=CC=CC4=C(C=C3)S([O-])(=O)=O)C(=O)C=C2)C(=C1)S([O-])(=O)=O
Synonym	New Coccine, Ponceau 4R, Scarlet 3R
IUPAC Name	trisodium (8Z)-7-oxo-8-[2-(4-sulfonatonaphthalen-1-yl)hydrazin-1-ylidene]-7,8-dihydronaphthalene-1,3-disulfonate
InChI Key	IVNZBWNBYXERPK-DZGBHZPSSA-K
Molecular Formula	C20H11N2Na3O10S3

1,153

Methyl Purple Indicator, pH 4.8 to 5.4 Purple to Green, Certified, LabChem™

Pricing & Availability
Specifications

Linear Formula	C₁₅H₁₄N₃O₂Na
Color	Black/Green
Physical Form	Liquid
Chemical Name or Material	Methyl Purple Indicator
Grade	Certified
Identification	Passes Test
Name Note	pH 4.8 to 5.4 Purple to Green
CAS	845-10-3
Health Hazard 3	GHS P Statement Keep away from heat, sparks, open flames, hot surfaces. No smoking. Keep container tightly closed. Ground/bond container and receiving equipment. Use explosion-proof electrical, ventilating, lighting equipment. Use only non-sparking tools. Take precautionary measures against static discharge. Wear protective gloves, eye protection. Wash exposed skin thoroughly after handling. If on skin (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. If eye irritation persists: Get medical advice/attention. Store in a cool, well-ventilated place. Dispose of contents/container to comply with local, state and federal regulations.
Decomposition Information	Sulfur compounds; Carbon monoxide; Carbon dioxide; Nitrogen oxides
Health Hazard 2	GHS H Statement Flammable liquid and vapor. Causes serious eye irritation.
Flash Point	33°C
Packaging	Poly Bottle
Solubility Information	Soluble in water
Health Hazard 1	Warning
Recommended Storage	Room Temperature
Formula Weight	291.28
CAS Max %	0.04

1,154

Gram's Iodine, dilute Lugol's Iodine, Ricca Chemical

For Gram Staining

Pricing & Availability
Specifications

Product Type	Gram Iodine, Lugol's Iodine
Color	Brown
Packaging	Amber Glass Bottle

1,155

Brilliant Blue R, TCI America™

CAS: 6104-59-2 Molecular Formula: C45H44N3NaO7S2 Molecular Weight (g/mol): 825.97 MDL Number: MFCD00041762 InChI Key: HAEGGLCXLFWTBE-UHFFFAOYSA-M Synonym: Acid Cyanine 6B, Alizarin Rubinol 5G, Solar Cyanine 6B, Acid Blue 83, Coomassie Brilliant Blue R-250, CBB R-250 PubChem CID: 61365 IUPAC Name: sodium {4-[(4-ethoxyphenyl)amino]phenyl}bis(4-{ethyl[(3-sulfonatophenyl)methyl]amino}phenyl)methylium 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 Cyanine 6B, Alizarin Rubinol 5G, Solar Cyanine 6B, Acid Blue 83, Coomassie Brilliant Blue R-250, CBB R-250
IUPAC Name	sodium {4-[(4-ethoxyphenyl)amino]phenyl}bis(4-{ethyl[(3-sulfonatophenyl)methyl]amino}phenyl)methylium
InChI Key	HAEGGLCXLFWTBE-UHFFFAOYSA-M
Molecular Formula	C45H44N3NaO7S2

Staining Reagents

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FD and C Red No. 3, Spectrum™ Chemical Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

FD and C Red No. 3, Spectrum™ Chemical