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.

466 – 480 of 6,701 results

466

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

Pricing & Availability
Specifications

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

467

Ricca Chemical Company Wright's Stain, Rapid Formula, for Staining and General Differentiation of Blood Corpuscles, Ricca Chemical

CAS: 67-56-1 Molecular Formula: HNa2O4P Molecular Weight (g/mol): Mixture MDL Number: MFCD00003496 InChI Key: BNIILDVGGAEEIG-UHFFFAOYSA-L PubChem CID: 24203 ChEBI: CHEBI:34683 IUPAC Name: disodium hydrogen phosphate SMILES: [Na+].[Na+].OP([O-])([O-])=O

Pricing & Availability
Specifications

PubChem CID	24203
CAS	67-56-1
Molecular Weight (g/mol)	Mixture
ChEBI	CHEBI:34683
MDL Number	MFCD00003496
SMILES	[Na+].[Na+].OP([O-])([O-])=O
IUPAC Name	disodium hydrogen phosphate
InChI Key	BNIILDVGGAEEIG-UHFFFAOYSA-L
Molecular Formula	HNa2O4P

468

StatLab™ Gill 3 Hematoxylin Stain

High dye concentration for frozen or intense histology staining.

Pricing & Availability
Specifications

Product Type	Hematoxylin Stain

469

Thermo Scientific Chemicals Resazurin, sodium salt, pure, high purity biological stain

CAS: 62758-13-8 Molecular Formula: C12H6NNaO4 Molecular Weight (g/mol): 251.173 MDL Number: MFCD00005036 InChI Key: IVGPGQSSDLDOLH-UHFFFAOYSA-M Synonym: 7-Hydroxy-3H-phenoxazin-3-one 10-oxide, sodium salt PubChem CID: 112939 IUPAC Name: sodium;10-oxido-7-oxophenoxazin-10-ium-3-olate SMILES: C1=CC2=C(C=C1[O-])OC3=CC(=O)C=CC3=[N+]2[O-].[Na+]

Pricing & Availability
Specifications

PubChem CID	112939
CAS	62758-13-8
Molecular Weight (g/mol)	251.173
MDL Number	MFCD00005036
SMILES	C1=CC2=C(C=C1[O-])OC3=CC(=O)C=CC3=[N+]2[O-].[Na+]
Synonym	7-Hydroxy-3H-phenoxazin-3-one 10-oxide, sodium salt
IUPAC Name	sodium;10-oxido-7-oxophenoxazin-10-ium-3-olate
InChI Key	IVGPGQSSDLDOLH-UHFFFAOYSA-M
Molecular Formula	C12H6NNaO4

470

D and C Red No. 6, 90%, Spectrum™ Chemical

CAS: 5858-81-1 Molecular Formula: C18H12N2Na2O6S Molecular Weight (g/mol): 430.34 InChI Key: CTBASIXHDUUSCV-SDXCCTRSSA-L IUPAC Name: disodium (4E)-4-[2-(4-methyl-2-sulfonatophenyl)hydrazin-1-ylidene]-3-oxo-3,4-dihydronaphthalene-2-carboxylate SMILES: [Na+].[Na+].CC1=CC=C(N\N=C2\C(=O)C(=CC3=CC=CC=C23)C([O-])=O)C(=C1)S([O-])(=O)=O

Pricing & Availability
Specifications

CAS	5858-81-1
Molecular Weight (g/mol)	430.34
SMILES	[Na+].[Na+].CC1=CC=C(N\N=C2\C(=O)C(=CC3=CC=CC=C23)C([O-])=O)C(=C1)S([O-])(=O)=O
IUPAC Name	disodium (4E)-4-[2-(4-methyl-2-sulfonatophenyl)hydrazin-1-ylidene]-3-oxo-3,4-dihydronaphthalene-2-carboxylate
InChI Key	CTBASIXHDUUSCV-SDXCCTRSSA-L
Molecular Formula	C18H12N2Na2O6S

471

Leucocrystal violet, 99.8%, For HPLC analysis, MP Biomedicals™

CAS: 603-48-5 Molecular Formula: C25H31N3 Molecular Weight (g/mol): 373.54 MDL Number: MFCD00008314 InChI Key: OAZWDJGLIYNYMU-UHFFFAOYSA-N Synonym: 4,4',4''-Methylidynetris(N,N-dimethylaniline) PubChem CID: 69048 IUPAC Name: 4-{bis[4-(dimethylamino)phenyl]methyl}-N,N-dimethylaniline SMILES: CN(C)C1=CC=C(C=C1)C(C1=CC=C(C=C1)N(C)C)C1=CC=C(C=C1)N(C)C

Pricing & Availability
Specifications

PubChem CID	69048
CAS	603-48-5
Molecular Weight (g/mol)	373.54
MDL Number	MFCD00008314
SMILES	CN(C)C1=CC=C(C=C1)C(C1=CC=C(C=C1)N(C)C)C1=CC=C(C=C1)N(C)C
Synonym	4,4',4''-Methylidynetris(N,N-dimethylaniline)
IUPAC Name	4-{bis[4-(dimethylamino)phenyl]methyl}-N,N-dimethylaniline
InChI Key	OAZWDJGLIYNYMU-UHFFFAOYSA-N
Molecular Formula	C25H31N3

472

Hydroxy naphthol blue disodium salt, For ACS analysis, MP Biomedicals™

CAS: 165660-27-5 Molecular Formula: C20H14N2Na2O11S3 Molecular Weight (g/mol): 600.495 InChI Key: LXJHFXHZWYBBKJ-LUUCHEBKSA-N Synonym: `-(2-naphtholazo-3, 6-disulfonic acid)-2-naphthol-4-sulfonic acid trisodium salt,calcium indicator on sodium chloride 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)	600.495
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]
Synonym	`-(2-naphtholazo-3, 6-disulfonic acid)-2-naphthol-4-sulfonic acid trisodium salt,calcium indicator on sodium chloride
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

473

Methylthymol Blue Sodium Salt, Honeywell Fluka™

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

474

Fluorescein Sodium Salt, indicator, 98.5 to 100.5%, Honeywell Fluka™

CAS: 518-47-8 Molecular Formula: C20H10Na2O5 Molecular Weight (g/mol): 376.28 MDL Number: MFCD00167039 InChI Key: NJDNXYGOVLYJHP-UHFFFAOYSA-L IUPAC Name: disodium 2-(6-oxido-3-oxo-3H-xanthen-9-yl)benzoate SMILES: [Na+].[Na+].[O-]C(=O)C1=CC=CC=C1C1=C2C=CC(=O)C=C2OC2=CC([O-])=CC=C12

Pricing & Availability
Specifications

CAS	518-47-8
Molecular Weight (g/mol)	376.28
MDL Number	MFCD00167039
SMILES	[Na+].[Na+].[O-]C(=O)C1=CC=CC=C1C1=C2C=CC(=O)C=C2OC2=CC([O-])=CC=C12
IUPAC Name	disodium 2-(6-oxido-3-oxo-3H-xanthen-9-yl)benzoate
InChI Key	NJDNXYGOVLYJHP-UHFFFAOYSA-L
Molecular Formula	C20H10Na2O5

475

Ponceau S, MP Biomedicals

CAS: 6226-79-5 Molecular Formula: C22H12N4Na4O13S4 Molecular Weight (g/mol): 760.552 InChI Key: VSXKEUCERCWGKF-STNZDNLRSA-J Synonym: 3-Hydroxy-4-[2-sulfo-4-(4-sulfo- phenylazo)phenylazo]-2, 7- naphthalene-disulfonic acid tetrasodium salt PubChem CID: 11320219 IUPAC Name: tetrasodium;(4Z)-3-oxo-4-[[2-sulfonato-4-[(4-sulfonatophenyl)diazenyl]phenyl]hydrazinylidene]naphthalene-2,7-disulfonate SMILES: C1=CC(=CC=C1N=NC2=CC(=C(C=C2)NN=C3C4=C(C=C(C=C4)S(=O)(=O)[O-])C=C(C3=O)S(=O)(=O)[O-])S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+].[Na+].[Na+]

Pricing & Availability
Specifications

PubChem CID	11320219
CAS	6226-79-5
Molecular Weight (g/mol)	760.552
SMILES	C1=CC(=CC=C1N=NC2=CC(=C(C=C2)NN=C3C4=C(C=C(C=C4)S(=O)(=O)[O-])C=C(C3=O)S(=O)(=O)[O-])S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+].[Na+].[Na+]
Synonym	3-Hydroxy-4-[2-sulfo-4-(4-sulfo- phenylazo)phenylazo]-2, 7- naphthalene-disulfonic acid tetrasodium salt
IUPAC Name	tetrasodium;(4Z)-3-oxo-4-[[2-sulfonato-4-[(4-sulfonatophenyl)diazenyl]phenyl]hydrazinylidene]naphthalene-2,7-disulfonate
InChI Key	VSXKEUCERCWGKF-STNZDNLRSA-J
Molecular Formula	C22H12N4Na4O13S4

476

2',7'-Dichlorofluorescein 3',6'-diacetate, 97%

CAS: 2044-85-1 Molecular Formula: C24H14Cl2O7 Molecular Weight (g/mol): 485.27 MDL Number: MFCD00037501 InChI Key: VQVUBYASAICPFU-UHFFFAOYSA-N PubChem CID: 104913 IUPAC Name: (6'-acetyloxy-2',7'-dichloro-3-oxospiro[2-benzofuran-1,9'-xanthene]-3'-yl) acetate SMILES: CC(=O)OC1=CC2=C(C=C1Cl)C1(OC(=O)C3=CC=CC=C13)C1=CC(Cl)=C(OC(C)=O)C=C1O2

Pricing & Availability
Specifications

PubChem CID	104913
CAS	2044-85-1
Molecular Weight (g/mol)	485.27
MDL Number	MFCD00037501
SMILES	CC(=O)OC1=CC2=C(C=C1Cl)C1(OC(=O)C3=CC=CC=C13)C1=CC(Cl)=C(OC(C)=O)C=C1O2
IUPAC Name	(6'-acetyloxy-2',7'-dichloro-3-oxospiro[2-benzofuran-1,9'-xanthene]-3'-yl) acetate
InChI Key	VQVUBYASAICPFU-UHFFFAOYSA-N
Molecular Formula	C24H14Cl2O7

477

Thermo Scientific Chemicals Cresyl Violet perchlorate, 98%, pure

CAS: 41830-80-2 Molecular Formula: C16H12ClN3O5 Molecular Weight (g/mol): 361.738 MDL Number: MFCD00012671 InChI Key: HLHUTAPXZITNPJ-UHFFFAOYSA-N Synonym: Oxazine 9 perchlorate PubChem CID: 621529 IUPAC Name: 5-iminobenzo[a]phenoxazin-9-amine;perchloric acid SMILES: C1=CC=C2C(=C1)C(=N)C=C3C2=NC4=C(O3)C=C(C=C4)N.OCl(=O)(=O)=O

Pricing & Availability
Specifications

PubChem CID	621529
CAS	41830-80-2
Molecular Weight (g/mol)	361.738
MDL Number	MFCD00012671
SMILES	C1=CC=C2C(=C1)C(=N)C=C3C2=NC4=C(O3)C=C(C=C4)N.OCl(=O)(=O)=O
Synonym	Oxazine 9 perchlorate
IUPAC Name	5-iminobenzo[a]phenoxazin-9-amine;perchloric acid
InChI Key	HLHUTAPXZITNPJ-UHFFFAOYSA-N
Molecular Formula	C16H12ClN3O5

478

New Fuchsin

CAS: 3248-91-7 Molecular Formula: C22H24ClN3 Molecular Weight (g/mol): 365.91 MDL Number: MFCD00012567 InChI Key: ORDGVBRMUJCHEO-UHFFFAOYSA-M Synonym: Basic Violet 2,C.I. 42520,Magenta III PubChem CID: 14454445 ChEBI: CHEBI:87671 IUPAC Name: 4-[(4-amino-3-methylphenyl)-(4-imino-3-methylcyclohexa-2,5-dien-1-ylidene)methyl]-2-methylaniline;hydrochloride SMILES: [Cl-].CC1=CC(=CC=C1N)[C+](C1=CC=C(N)C(C)=C1)C1=CC=C(N)C(C)=C1

Pricing & Availability
Specifications

PubChem CID	14454445
CAS	3248-91-7
Molecular Weight (g/mol)	365.91
ChEBI	CHEBI:87671
MDL Number	MFCD00012567
SMILES	[Cl-].CC1=CC(=CC=C1N)[C+](C1=CC=C(N)C(C)=C1)C1=CC=C(N)C(C)=C1
Synonym	Basic Violet 2,C.I. 42520,Magenta III
IUPAC Name	4-[(4-amino-3-methylphenyl)-(4-imino-3-methylcyclohexa-2,5-dien-1-ylidene)methyl]-2-methylaniline;hydrochloride
InChI Key	ORDGVBRMUJCHEO-UHFFFAOYSA-M
Molecular Formula	C22H24ClN3

479

2,6-Dichloroindophenol Sodium Salt Hydrate, Sigma-Aldrich

CAS: 1266615-56-8 Molecular Weight (g/mol): 290.08 g/mol

Pricing & Availability
Specifications

CAS	1266615-56-8
Molecular Weight (g/mol)	290.08 g/mol

480

CAS	548-62-9
Molecular Weight (g/mol)	407.98 g/mol
Color	Black to Green
Grade	Certified Biological Stain

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Stains and Dyes

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Methyl Red Indicator, 0.1% (w/v), Ricca Chemical Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Ricca Chemical Company Wright's Stain, Rapid Formula, for Staining and General Differentiation of Blood Corpuscles, Ricca Chemical Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

StatLab™ Gill 3 Hematoxylin Stain GSA/VA ContractAvailable on GSA/VA contract for Federal Government customers.Learn More Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

D and C Red No. 6, 90%, Spectrum™ Chemical Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

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

Ricca Chemical Company Wright's Stain, Rapid Formula, for Staining and General Differentiation of Blood Corpuscles, Ricca Chemical

StatLab™ Gill 3 Hematoxylin Stain

D and C Red No. 6, 90%, Spectrum™ Chemical