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 (9,139)

Tissue Stain Blocking Reagents (82)

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1,156 – 1,170 of 7,060 results

1,156

Alizarin Red S Indicator, 1% (w/v), Ricca Chemical

CAS: 130-22-3 Molecular Formula: C14H7NaO7S Molecular Weight (g/mol): Mixture InChI Key: HFVAFDPGUJEFBQ-UHFFFAOYSA-M PubChem CID: 3955344 ChEBI: CHEBI:87358 IUPAC Name: sodium;3,4-dihydroxy-9,10-dioxoanthracene-2-sulfonate SMILES: C1=CC=C2C(=C1)C(=O)C3=CC(=C(C(=C3C2=O)O)O)S(=O)(=O)[O-].[Na+]

Pricing & Availability
Specifications

PubChem CID	3955344
CAS	130-22-3
Molecular Weight (g/mol)	Mixture
ChEBI	CHEBI:87358
SMILES	C1=CC=C2C(=C1)C(=O)C3=CC(=C(C(=C3C2=O)O)O)S(=O)(=O)[O-].[Na+]
IUPAC Name	sodium;3,4-dihydroxy-9,10-dioxoanthracene-2-sulfonate
InChI Key	HFVAFDPGUJEFBQ-UHFFFAOYSA-M
Molecular Formula	C14H7NaO7S

1,157

Universal Indicator, Bogens, Alcoholic, Ricca Chemical

Pricing & Availability
Specifications

Name Note	Alcoholic
CAS	493-52-7
Color	Orange/Red
Physical Form	Liquid
Packaging	Amber Glass Bottle
CAS Min %	0.03
Chemical Name or Material	Universal Indicator, Bogens
Grade	Indicator
CAS Max %	0.03

1,158

Gold Chloride, 1% (w/v), Ricca Chemical

CAS: 16961-25-4 Molecular Formula: AuCl4H Molecular Weight (g/mol): 339.77 InChI Key: VDLSFRRYNGEBEJ-UHFFFAOYSA-K IUPAC Name: trichlorogold hydrochloride SMILES: Cl.Cl[Au](Cl)Cl

Pricing & Availability
Specifications

CAS	16961-25-4
Molecular Weight (g/mol)	339.77
SMILES	Cl.Cl[Au](Cl)Cl
IUPAC Name	trichlorogold hydrochloride
InChI Key	VDLSFRRYNGEBEJ-UHFFFAOYSA-K
Molecular Formula	AuCl4H

1,159

Bromocresol Green - Methyl Red Solution (Ethanol Soln.) [mixed Indicator], TCI America™

MDL Number: MFCD00134126 Synonym: Methyl Red - Bromocresol Green Solution

Pricing & Availability
Specifications

MDL Number	MFCD00134126
Synonym	Methyl Red - Bromocresol Green Solution

1,160

D-(+)-Sucrose 99.0+%, TCI America™

CAS: 57-50-1 Molecular Formula: C12H22O11 Molecular Weight (g/mol): 342.30 MDL Number: MFCD00006626 InChI Key: CZMRCDWAGMRECN-PWPRYFECNA-N Synonym: D-(+)-Saccharose PubChem CID: 5988 ChEBI: CHEBI:17992 IUPAC Name: (2R,3R,4S,5S,6R)-2-{[(2S,3S,4S,5R)-3,4-dihydroxy-2,5-bis(hydroxymethyl)oxolan-2-yl]oxy}-6-(hydroxymethyl)oxane-3,4,5-triol SMILES: OC[C@H]1O[C@@](CO)(O[C@H]2O[C@H](CO)[C@@H](O)[C@H](O)[C@H]2O)[C@@H](O)[C@@H]1O

Pricing & Availability
Specifications

PubChem CID	5988
CAS	57-50-1
Molecular Weight (g/mol)	342.30
ChEBI	CHEBI:17992
MDL Number	MFCD00006626
SMILES	OC[C@H]1O[C@@](CO)(O[C@H]2O[C@H](CO)[C@@H](O)[C@H](O)[C@H]2O)[C@@H](O)[C@@H]1O
Synonym	D-(+)-Saccharose
IUPAC Name	(2R,3R,4S,5S,6R)-2-{[(2S,3S,4S,5R)-3,4-dihydroxy-2,5-bis(hydroxymethyl)oxolan-2-yl]oxy}-6-(hydroxymethyl)oxane-3,4,5-triol
InChI Key	CZMRCDWAGMRECN-PWPRYFECNA-N
Molecular Formula	C12H22O11

1,161

Acid Red 87 90.0+%, TCI America™

CAS: 17372-87-1 Molecular Formula: C20H12Br4Na2O8 Molecular Weight (g/mol): 745.904 MDL Number: MFCD00005040 InChI Key: MASXMTNVNASWNH-UHFFFAOYSA-L Synonym: Eosine, Tetrabromofluorescein Sodium Salt 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 & 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	Eosine, Tetrabromofluorescein Sodium Salt
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

1,162

Phenolphthalein, 1% In 60% Isopropanol, pH 8.3 to 10.0 Colorless to Pink, Certified, LabChem™

Pricing & Availability
Specifications

Linear Formula	C₂₀H₁₄O₄
Color	Colorless to Pink
Physical Form	Liquid
Chemical Name or Material	Phenolphthalein
Grade	Certified
Identification	Passes Test
CAS	77-09-8
Health Hazard 2	GHS H Statement Highly flammable liquid and vapor. Causes serious eye irritation. May cause respiratory irritation. Suspected of causing cancer.
Packaging	Poly Bottle
Solubility Information	Soluble in water
Health Hazard 1	Danger
Recommended Storage	Room Temperature
EINECS Number	200-661-7
Formula Weight	318.32
CAS Max %	1

1,163

Acid Blue 119, TCI America™

CAS: 1324-80-7 Molecular Formula: C37H30N3NaO4S Molecular Weight (g/mol): 635.714 MDL Number: MFCD00083221 InChI Key: BPCZPTGXEYXQRS-UHFFFAOYSA-M Synonym: Alkali Blue 6B PubChem CID: 71464047 IUPAC Name: sodium;2-[4-[bis(4-anilinophenyl)-hydroxymethyl]anilino]benzenesulfonate SMILES: C1=CC=C(C=C1)NC2=CC=C(C=C2)C(C3=CC=C(C=C3)NC4=CC=CC=C4)(C5=CC=C(C=C5)NC6=CC=CC=C6S(=O)(=O)[O-])O.[Na+]

Pricing & Availability
Specifications

PubChem CID	71464047
CAS	1324-80-7
Molecular Weight (g/mol)	635.714
MDL Number	MFCD00083221
SMILES	C1=CC=C(C=C1)NC2=CC=C(C=C2)C(C3=CC=C(C=C3)NC4=CC=CC=C4)(C5=CC=C(C=C5)NC6=CC=CC=C6S(=O)(=O)[O-])O.[Na+]
Synonym	Alkali Blue 6B
IUPAC Name	sodium;2-[4-[bis(4-anilinophenyl)-hydroxymethyl]anilino]benzenesulfonate
InChI Key	BPCZPTGXEYXQRS-UHFFFAOYSA-M
Molecular Formula	C37H30N3NaO4S

1,164

Fluorescein Isothiocyanate Dextran (Mw.=ca. 10,000), TCI America™

CAS: 60842-46-8 MDL Number: MFCD00131092 Synonym: FITC Dextran

Pricing & Availability
Specifications

CAS	60842-46-8
MDL Number	MFCD00131092
Synonym	FITC Dextran

1,165

StatLab™ Reserve Cyto-DX Stain

This easy, one-step cytoplasmic stain saves labor and reagent costs by eliminating multiple steps.

Pricing & Availability

1,166

Thymolphthalein Indicator, 0.1% (w/v) in 90% (v/v) Isopropyl Alcohol, Ricca Chemical

CAS: 125-20-2 Molecular Formula: C28H30O4 Molecular Weight (g/mol): Mixture InChI Key: LDKDGDIWEUUXSH-UHFFFAOYSA-N PubChem CID: 31316 IUPAC Name: 3,3-bis(4-hydroxy-2-methyl-5-propan-2-ylphenyl)-2-benzofuran-1-one SMILES: CC1=CC(=C(C=C1C2(C3=CC=CC=C3C(=O)O2)C4=CC(=C(C=C4C)O)C(C)C)C(C)C)O

Pricing & Availability
Specifications

PubChem CID	31316
CAS	125-20-2
Molecular Weight (g/mol)	Mixture
SMILES	CC1=CC(=C(C=C1C2(C3=CC=CC=C3C(=O)O2)C4=CC(=C(C=C4C)O)C(C)C)C(C)C)O
IUPAC Name	3,3-bis(4-hydroxy-2-methyl-5-propan-2-ylphenyl)-2-benzofuran-1-one
InChI Key	LDKDGDIWEUUXSH-UHFFFAOYSA-N
Molecular Formula	C28H30O4

1,167

Starch Indicator, Preserved with Salicylic Acid (Mercury Free), Certified, 0.5%, LabChem™

Pricing & Availability
Specifications

Physical Form	Liquid
Chemical Name or Material	Starch Indicator
Grade	Certified
Identification	Passes Test
Density	1g/mL
Name Note	Preserved with Salicylic Acid (Mercury Free)
Percent Purity	0.5%
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.
Decomposition Information	Fume; Carbon monoxide; Carbon dioxide
Health Hazard 2	GHS H Statement Solution is not hazardous.
Solubility Information	Soluble in water
Recommended Storage	Room Temperature
Specific Gravity	1g/mL
CAS Max %	0.1
Suitability	Passes Test

1,168

Eriochrome Blue Black R Indicator, 0.2% (w/w) in Sodium Chloride, Ricca Chemical

CAS: 2538-85-4 Molecular Formula: C20H13N2NaO5S Molecular Weight (g/mol): Mixture InChI Key: YJUGDMOGPJJWDG-UHFFFAOYSA-M PubChem CID: 23702480 IUPAC Name: sodium;4-[(2-hydroxynaphthalen-1-yl)hydrazinylidene]-3-oxonaphthalene-1-sulfonate SMILES: C1=CC=C2C(=C1)C=CC(=C2NN=C3C4=CC=CC=C4C(=CC3=O)S(=O)(=O)[O-])O.[Na+]

Pricing & Availability
Specifications

PubChem CID	23702480
CAS	2538-85-4
Molecular Weight (g/mol)	Mixture
SMILES	C1=CC=C2C(=C1)C=CC(=C2NN=C3C4=CC=CC=C4C(=CC3=O)S(=O)(=O)[O-])O.[Na+]
IUPAC Name	sodium;4-[(2-hydroxynaphthalen-1-yl)hydrazinylidene]-3-oxonaphthalene-1-sulfonate
InChI Key	YJUGDMOGPJJWDG-UHFFFAOYSA-M
Molecular Formula	C20H13N2NaO5S

1,169

Acid Red 94, TCI America™

CAS: 632-69-9 Molecular Formula: C20H4Cl4I4Na2O5 Molecular Weight (g/mol): 1019.644 MDL Number: MFCD00151169 InChI Key: DPBQSRZQYAYDGY-UHFFFAOYSA-N Synonym: Rose Bengal PubChem CID: 87244310 IUPAC Name: sodium;4,5,6,7-tetrachloro-3',6'-dihydroxy-2',4',5',7'-tetraiodospiro[2-benzofuran-3,9'-xanthene]-1-one SMILES: C1=C2C(=C(C(=C1I)O)I)OC3=C(C(=C(C=C3C24C5=C(C(=C(C(=C5Cl)Cl)Cl)Cl)C(=O)O4)I)O)I.[Na].[Na]

Pricing & Availability
Specifications

PubChem CID	87244310
CAS	632-69-9
Molecular Weight (g/mol)	1019.644
MDL Number	MFCD00151169
SMILES	C1=C2C(=C(C(=C1I)O)I)OC3=C(C(=C(C=C3C24C5=C(C(=C(C(=C5Cl)Cl)Cl)Cl)C(=O)O4)I)O)I.[Na].[Na]
Synonym	Rose Bengal
IUPAC Name	sodium;4,5,6,7-tetrachloro-3',6'-dihydroxy-2',4',5',7'-tetraiodospiro[2-benzofuran-3,9'-xanthene]-1-one
InChI Key	DPBQSRZQYAYDGY-UHFFFAOYSA-N
Molecular Formula	C20H4Cl4I4Na2O5

1,170

Diphenylcarbazone (contains Diphenylcarbazide) 40.0+%, TCI America™

CAS: 538-62-5 Molecular Formula: C13H12N4O Molecular Weight (g/mol): 240.266 MDL Number: MFCD00003024 InChI Key: ZFWAHZCOKGWUIT-UHFFFAOYSA-N PubChem CID: 10860 IUPAC Name: 1-anilino-3-phenyliminourea SMILES: C1=CC=C(C=C1)NNC(=O)N=NC2=CC=CC=C2

Pricing & Availability
Specifications

PubChem CID	10860
CAS	538-62-5
Molecular Weight (g/mol)	240.266
MDL Number	MFCD00003024
SMILES	C1=CC=C(C=C1)NNC(=O)N=NC2=CC=CC=C2
IUPAC Name	1-anilino-3-phenyliminourea
InChI Key	ZFWAHZCOKGWUIT-UHFFFAOYSA-N
Molecular Formula	C13H12N4O

Staining Reagents

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StatLab™ Reserve Cyto-DX Stain GSA/VA ContractAvailable on GSA/VA contract for Federal Government customers.Learn More

StatLab™ Reserve Cyto-DX Stain