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 (9,370)

Tissue Stain Blocking Reagents (81)

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1,531 – 1,545 of 7,304 results

1,531

Brilliant Blue G, 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 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
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

1,532

Acid Green 9, TCI America™

CAS: 4857-81-2 Molecular Formula: C37H34ClN2NaO6S2 Molecular Weight (g/mol): 725.247 MDL Number: MFCD00050440 InChI Key: SHBDDIJUSNNBLQ-UHFFFAOYSA-M Synonym: Patent Green, Alizarin Green, Brilliant Acid Green, Brilliant Milling Green PubChem CID: 25021982 IUPAC Name: sodium;3-[[4-[(2-chlorophenyl)-[4-[ethyl-[(3-sulfonatophenyl)methyl]azaniumylidene]cyclohexa-2,5-dien-1-ylidene]methyl]-N-ethylanilino]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=C3)C5=CC=CC=C5Cl.[Na+]

Pricing & Availability
Specifications

PubChem CID	25021982
CAS	4857-81-2
Molecular Weight (g/mol)	725.247
MDL Number	MFCD00050440
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=C3)C5=CC=CC=C5Cl.[Na+]
Synonym	Patent Green, Alizarin Green, Brilliant Acid Green, Brilliant Milling Green
IUPAC Name	sodium;3-[[4-[(2-chlorophenyl)-[4-[ethyl-[(3-sulfonatophenyl)methyl]azaniumylidene]cyclohexa-2,5-dien-1-ylidene]methyl]-N-ethylanilino]methyl]benzenesulfonate
InChI Key	SHBDDIJUSNNBLQ-UHFFFAOYSA-M
Molecular Formula	C37H34ClN2NaO6S2

1,533

Bromothymol Blue (0.04% in Water) [for pH Determination], TCI America™

CAS: 76-59-5 Molecular Formula: C27H28Br2O5S Molecular Weight (g/mol): 624.384 MDL Number: MFCD00005872 InChI Key: NUHCTOLBWMJMLX-UHFFFAOYSA-N PubChem CID: 6450 ChEBI: CHEBI:86155 IUPAC Name: 2-bromo-4-[3-(3-bromo-4-hydroxy-2-methyl-5-propan-2-ylphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]-3-methyl-6-propan-2-ylphenol SMILES: CC1=C(C(=C(C=C1C2(C3=CC=CC=C3S(=O)(=O)O2)C4=CC(=C(C(=C4C)Br)O)C(C)C)C(C)C)O)Br

Pricing & Availability
Specifications

PubChem CID	6450
CAS	76-59-5
Molecular Weight (g/mol)	624.384
ChEBI	CHEBI:86155
MDL Number	MFCD00005872
SMILES	CC1=C(C(=C(C=C1C2(C3=CC=CC=C3S(=O)(=O)O2)C4=CC(=C(C(=C4C)Br)O)C(C)C)C(C)C)O)Br
IUPAC Name	2-bromo-4-[3-(3-bromo-4-hydroxy-2-methyl-5-propan-2-ylphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]-3-methyl-6-propan-2-ylphenol
InChI Key	NUHCTOLBWMJMLX-UHFFFAOYSA-N
Molecular Formula	C27H28Br2O5S

1,534

Bromocresol Purple Indicator, 0.04% (w/v), Ricca Chemical

Pricing & Availability
Specifications

Percent Purity	0.04% W/V
CAS	7732-18-5
Color	Red
Physical Form	Liquid
pH	6
Packaging	Natural Poly Bottle
CAS Min %	0.04
Chemical Name or Material	Bromocresol Purple Indicator
Grade	Indicator
Concentration	0.04% (w/v)
Solvent or Matrix	Aqueous Solution
CAS Max %	0.04

1,535

Congo Red Indicator, 0.1% (w/v), Ricca Chemical

Pricing & Availability
Specifications

Percent Purity	0.1% W/V
CAS	7732-18-5
Color	Red
Physical Form	Liquid
Packaging	Natural Poly Bottle
CAS Min %	0.1
Chemical Name or Material	Congo Red Indicator
Grade	Indicator
Concentration	0.1% (w/v)
Solvent or Matrix	Aqueous Solution
CAS Max %	0.1

1,536

Basic Blue 17, TCI America™

CAS: 92-31-9 Molecular Formula: C15H16ClN3S Molecular Weight (g/mol): 305.82 MDL Number: MFCD00011934 InChI Key: HNONEKILPDHFOL-UHFFFAOYSA-M Synonym: Toluidine Blue PubChem CID: 7083 IUPAC Name: 3-amino-7-(dimethylamino)-2-methyl-5λ⁴-phenothiazin-5-ylium chloride SMILES: [Cl-].CN(C)C1=CC=C2N=C3C=C(C)C(N)=CC3=[S+]C2=C1

Pricing & Availability
Specifications

PubChem CID	7083
CAS	92-31-9
Molecular Weight (g/mol)	305.82
MDL Number	MFCD00011934
SMILES	[Cl-].CN(C)C1=CC=C2N=C3C=C(C)C(N)=CC3=[S+]C2=C1
Synonym	Toluidine Blue
IUPAC Name	3-amino-7-(dimethylamino)-2-methyl-5λ⁴-phenothiazin-5-ylium chloride
InChI Key	HNONEKILPDHFOL-UHFFFAOYSA-M
Molecular Formula	C15H16ClN3S

1,537

Acid Yellow 36, TCI America™

CAS: 587-98-4 Molecular Formula: C18H14N3NaO3S Molecular Weight (g/mol): 375.378 MDL Number: MFCD00007486 InChI Key: NYGZLYXAPMMJTE-UHFFFAOYSA-M Synonym: Metanil Yellow PubChem CID: 3935589 ChEBI: CHEBI:87235 IUPAC Name: sodium;3-[(4-anilinophenyl)diazenyl]benzenesulfonate SMILES: C1=CC=C(C=C1)NC2=CC=C(C=C2)N=NC3=CC(=CC=C3)S(=O)(=O)[O-].[Na+]

Pricing & Availability
Specifications

PubChem CID	3935589
CAS	587-98-4
Molecular Weight (g/mol)	375.378
ChEBI	CHEBI:87235
MDL Number	MFCD00007486
SMILES	C1=CC=C(C=C1)NC2=CC=C(C=C2)N=NC3=CC(=CC=C3)S(=O)(=O)[O-].[Na+]
Synonym	Metanil Yellow
IUPAC Name	sodium;3-[(4-anilinophenyl)diazenyl]benzenesulfonate
InChI Key	NYGZLYXAPMMJTE-UHFFFAOYSA-M
Molecular Formula	C18H14N3NaO3S

1,538

StatLab™ MasterTech Mucicarmine Stain

Mucicarmine Stain stains Mucin or Cryptococcus red in 1 to 2 hours.

Pricing & Availability
Specifications

Product Type	Mucicarmine Stock Solution

1,539

StatLab™ Select Hematoxylin Stain

Possesses the rapid staining qualities of Gill Hematoxylins along with the nuclear chromatin delineation of a Harris stain.

Pricing & Availability

1,540

Basic Blue 24, TCI America™

CAS: 6586-05-6 Molecular Formula: C18H22Cl3N3SZn Molecular Weight (g/mol): 484.19 MDL Number: MFCD00135878 InChI Key: GGKWUSWRGRCLEV-UHFFFAOYSA-K Synonym: New Methylene Blue PubChem CID: 3083969 IUPAC Name: dichlorozinc;ethyl-[7-(ethylamino)-2,8-dimethylphenothiazin-3-ylidene]azanium;chloride SMILES: CCNC1=CC2=C(C=C1C)N=C3C=C(C(=[NH+]CC)C=C3S2)C.[Cl-].Cl[Zn]Cl

Pricing & Availability
Specifications

PubChem CID	3083969
CAS	6586-05-6
Molecular Weight (g/mol)	484.19
MDL Number	MFCD00135878
SMILES	CCNC1=CC2=C(C=C1C)N=C3C=C(C(=[NH+]CC)C=C3S2)C.[Cl-].Cl[Zn]Cl
Synonym	New Methylene Blue
IUPAC Name	dichlorozinc;ethyl-[7-(ethylamino)-2,8-dimethylphenothiazin-3-ylidene]azanium;chloride
InChI Key	GGKWUSWRGRCLEV-UHFFFAOYSA-K
Molecular Formula	C18H22Cl3N3SZn

1,541

Brilliant Yellow, TCI America™

CAS: 3051-11-4 Molecular Formula: C26H18N4Na2O8S2 Molecular Weight (g/mol): 624.55 MDL Number: MFCD00007489 InChI Key: RDJCIKZLXHKBPH-SEPHDYHBSA-L Synonym: Direct Yellow 4 PubChem CID: 5702677 IUPAC Name: disodium;5-[2-(4-oxocyclohexa-2,5-dien-1-ylidene)hydrazinyl]-2-[(E)-2-[4-[2-(4-oxocyclohexa-2,5-dien-1-ylidene)hydrazinyl]-2-sulfonatophenyl]ethenyl]benzenesulfonate SMILES: C1=CC(=O)C=CC1=NNC2=CC(=C(C=C2)C=CC3=C(C=C(C=C3)NN=C4C=CC(=O)C=C4)S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+]

Pricing & Availability
Specifications

PubChem CID	5702677
CAS	3051-11-4
Molecular Weight (g/mol)	624.55
MDL Number	MFCD00007489
SMILES	C1=CC(=O)C=CC1=NNC2=CC(=C(C=C2)C=CC3=C(C=C(C=C3)NN=C4C=CC(=O)C=C4)S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+]
Synonym	Direct Yellow 4
IUPAC Name	disodium;5-[2-(4-oxocyclohexa-2,5-dien-1-ylidene)hydrazinyl]-2-[(E)-2-[4-[2-(4-oxocyclohexa-2,5-dien-1-ylidene)hydrazinyl]-2-sulfonatophenyl]ethenyl]benzenesulfonate
InChI Key	RDJCIKZLXHKBPH-SEPHDYHBSA-L
Molecular Formula	C26H18N4Na2O8S2

1,542

Arsenazo III, 0.2% (w/v), Ricca Chemical

CAS: 1668-00-4 Molecular Formula: C22H18As2N4O14S2 Molecular Weight (g/mol): Mixture InChI Key: TVMZRHVOFZTNET-RIRMOVKSSA-N PubChem CID: 9810878 IUPAC Name: (3Z,6E)-3,6-bis[(2-arsonophenyl)hydrazinylidene]-4,5-dioxonaphthalene-2,7-disulfonic acid SMILES: C1=CC=C(C(=C1)NN=C2C(=CC3=C(C2=O)C(=O)C(=NNC4=CC=CC=C4[As](=O)(O)O)C(=C3)S(=O)(=O)O)S(=O)(=O)O)[As](=O)(O)O

Pricing & Availability
Specifications

PubChem CID	9810878
CAS	1668-00-4
Molecular Weight (g/mol)	Mixture
SMILES	C1=CC=C(C(=C1)NN=C2C(=CC3=C(C2=O)C(=O)C(=NNC4=CC=CC=C4[As](=O)(O)O)C(=C3)S(=O)(=O)O)S(=O)(=O)O)[As](=O)(O)O
IUPAC Name	(3Z,6E)-3,6-bis[(2-arsonophenyl)hydrazinylidene]-4,5-dioxonaphthalene-2,7-disulfonic acid
InChI Key	TVMZRHVOFZTNET-RIRMOVKSSA-N
Molecular Formula	C22H18As2N4O14S2

1,543

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

CAS: 110-86-1 Molecular Formula: C5H5N Molecular Weight (g/mol): Mixture InChI Key: JUJWROOIHBZHMG-UHFFFAOYSA-N PubChem CID: 1049 ChEBI: CHEBI:16227 IUPAC Name: pyridine SMILES: C1=CC=NC=C1

Pricing & Availability
Specifications

PubChem CID	1049
CAS	110-86-1
Molecular Weight (g/mol)	Mixture
ChEBI	CHEBI:16227
SMILES	C1=CC=NC=C1
IUPAC Name	pyridine
InChI Key	JUJWROOIHBZHMG-UHFFFAOYSA-N
Molecular Formula	C5H5N

1,544

Methylene Blue Solution II, 0.05 mL (1 drop) = 0.1 mg/L Sulfide, Ricca Chemical

Pricing & Availability
Specifications

CAS	7732-18-5
Color	Blue
Packaging	Natural Poly Bottle
Chemical Name or Material	Methylene Blue Solution II
Grade	Laboratory

1,545

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

Staining Reagents

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StatLab™ Select Hematoxylin Stain GSA/VA ContractAvailable on GSA/VA contract for Federal Government customers.Learn More

StatLab™ Select Hematoxylin Stain