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.

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646 – 660 of 7,126 results

646

Nitrazine Yellow

CAS: 5423-07-4 MDL Number: MFCD00003938 Synonym: C.I. 14890; Delta Yellow

Pricing & Availability
Specifications

CAS	5423-07-4
MDL Number	MFCD00003938
Synonym	C.I. 14890; Delta Yellow

647

MilliporeSigma™ BioTracker ERthermAC Temperature-Sensitive Live Cell Dye

Live cell imaging thermosensitive dye to visualize heat production in brown adipocytes

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648

Novus Biologicals™ Methyl Green Counterstain

stains cell nuclei light green, an excellent alternative in multiple labeling when hematoxylin obscures the substrate colors.

Pricing & Availability

649

Thermo Scientific Chemicals Phenolphthalein, 0.5% w/v in alcohol

CAS: 77-09-8 Molecular Formula: C20H14O4 Molecular Weight (g/mol): 318.33 MDL Number: MFCD00005913 InChI Key: KJFMBFZCATUALV-UHFFFAOYSA-N PubChem CID: 4764 ChEBI: CHEBI:34914 IUPAC Name: 3,3-bis(4-hydroxyphenyl)-2-benzofuran-1-one SMILES: OC1=CC=C(C=C1)C1(OC(=O)C2=CC=CC=C12)C1=CC=C(O)C=C1

Pricing & Availability
Specifications

PubChem CID	4764
CAS	77-09-8
Molecular Weight (g/mol)	318.33
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)-2-benzofuran-1-one
InChI Key	KJFMBFZCATUALV-UHFFFAOYSA-N
Molecular Formula	C20H14O4

650

Xylenol Orange Disodium Salt, For spectrophotometric determination of metal ions, MilliporeSigma™ Supelco™

CAS: 1611-35-4 Molecular Formula: C31H32N2O13S Molecular Weight (g/mol): 672.66 InChI Key: ORZHVTYKPFFVMG-UHFFFAOYSA-N Synonym: 3,3 '-Bis[N,N-bis(carboxymethyl)aminomethyl]-o-cresolsulfonephthalein disodium salt IUPAC Name: 2-[({5-[3-(3-{[bis(carboxymethyl)amino]methyl}-4-hydroxy-5-methylphenyl)-1,1-dioxo-3H-2,1λ⁶-benzoxathiol-3-yl]-2-hydroxy-3-methylphenyl}methyl)(carboxymethyl)amino]acetic acid SMILES: CC1=CC(=CC(CN(CC(O)=O)CC(O)=O)=C1O)C1(OS(=O)(=O)C2=CC=CC=C12)C1=CC(C)=C(O)C(CN(CC(O)=O)CC(O)=O)=C1

Pricing & Availability
Specifications

CAS	1611-35-4
Molecular Weight (g/mol)	672.66
SMILES	CC1=CC(=CC(CN(CC(O)=O)CC(O)=O)=C1O)C1(OS(=O)(=O)C2=CC=CC=C12)C1=CC(C)=C(O)C(CN(CC(O)=O)CC(O)=O)=C1
Synonym	3,3 '-Bis[N,N-bis(carboxymethyl)aminomethyl]-o-cresolsulfonephthalein disodium salt
IUPAC Name	2-[({5-[3-(3-{[bis(carboxymethyl)amino]methyl}-4-hydroxy-5-methylphenyl)-1,1-dioxo-3H-2,1λ⁶-benzoxathiol-3-yl]-2-hydroxy-3-methylphenyl}methyl)(carboxymethyl)amino]acetic acid
InChI Key	ORZHVTYKPFFVMG-UHFFFAOYSA-N
Molecular Formula	C31H32N2O13S

651

Epredia™ Giemsa Stain

Take advantage of an excellent classical blood film stain used on peripheral blood smears and bone marrow with the Epredia™ Giemsa Stain.

Pricing & Availability
Specifications

Product Type	Giemsa Stain

652

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Thermo Scientific Chemicals Nuclear Fast Red Soln., enhanced stability

Pricing & Availability
Specifications

Health Hazard 3	P280-P305+P351+P338-P310
Physical Form	Liquid
Packaging	Plastic bottle
Health Hazard 1	H318
Chemical Name or Material	Nuclear Fast Red Soln.
Synonym	Kernechtrot Solution
TSCA	Yes
Recommended Storage	Ambient temperatures

653

Pyronin Y

CAS: 92-32-0 Molecular Formula: C17H19ClN2O Molecular Weight (g/mol): 302.802 MDL Number: MFCD00011725 InChI Key: INCIMLINXXICKS-UHFFFAOYSA-M Synonym: C.I. 45005; Pyronin G PubChem CID: 7085 ChEBI: CHEBI:87347 IUPAC Name: [6-(dimethylamino)xanthen-3-ylidene]-dimethylazanium;chloride SMILES: CN(C)C1=CC2=C(C=C1)C=C3C=CC(=[N+](C)C)C=C3O2.[Cl-]

Pricing & Availability
Specifications

PubChem CID	7085
CAS	92-32-0
Molecular Weight (g/mol)	302.802
ChEBI	CHEBI:87347
MDL Number	MFCD00011725
SMILES	CN(C)C1=CC2=C(C=C1)C=C3C=CC(=[N+](C)C)C=C3O2.[Cl-]
Synonym	C.I. 45005; Pyronin G
IUPAC Name	[6-(dimethylamino)xanthen-3-ylidene]-dimethylazanium;chloride
InChI Key	INCIMLINXXICKS-UHFFFAOYSA-M
Molecular Formula	C17H19ClN2O

654

Erythrosin B, spirit soluble

CAS: 15905-32-5 Molecular Formula: C20H8I4O5 Molecular Weight (g/mol): 835.90 MDL Number: MFCD00005044 InChI Key: OALHHIHQOFIMEF-UHFFFAOYSA-N Synonym: C.I. 45430:2; Solvent Red 140 PubChem CID: 3259 SMILES: OC1=C(I)C2=C(C=C1I)C1(OC(=O)C3=C1C=CC=C3)C1=CC(I)=C(O)C(I)=C1O2

Pricing & Availability
Specifications

PubChem CID	3259
CAS	15905-32-5
Molecular Weight (g/mol)	835.90
MDL Number	MFCD00005044
SMILES	OC1=C(I)C2=C(C=C1I)C1(OC(=O)C3=C1C=CC=C3)C1=CC(I)=C(O)C(I)=C1O2
Synonym	C.I. 45430:2; Solvent Red 140
InChI Key	OALHHIHQOFIMEF-UHFFFAOYSA-N
Molecular Formula	C20H8I4O5

655

Epredia™ Signature Series™ Bluing Reagent

Ensure crisp nuclear detail with the ready-to-use Epredia™ Signature Series Bluing Reagent.

Pricing & Availability
Specifications

Form	Liquid
Product Type	Bluing Reagent
pH	8

656

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Thermo Scientific Chemicals Fast Blue BB base

CAS: 120-00-3 Molecular Formula: C17H20N2O3 Molecular Weight (g/mol): 300.358 MDL Number: MFCD00009091 InChI Key: CNXZLZNEIYFZGU-UHFFFAOYSA-N Synonym: C.I. 37175; 4'-Amino-2',5'-diethoxybenzanilide PubChem CID: 67108 IUPAC Name: N-(4-amino-2,5-diethoxyphenyl)benzamide SMILES: CCOC1=CC(=C(C=C1N)OCC)NC(=O)C2=CC=CC=C2

Pricing & Availability
Specifications

PubChem CID	67108
CAS	120-00-3
Molecular Weight (g/mol)	300.358
MDL Number	MFCD00009091
SMILES	CCOC1=CC(=C(C=C1N)OCC)NC(=O)C2=CC=CC=C2
Synonym	C.I. 37175; 4'-Amino-2',5'-diethoxybenzanilide
IUPAC Name	N-(4-amino-2,5-diethoxyphenyl)benzamide
InChI Key	CNXZLZNEIYFZGU-UHFFFAOYSA-N
Molecular Formula	C17H20N2O3

657

MilliporeSigma™ Calcein-AM, Calbiochem™,

CAS: 148504-34-1 Molecular Formula: C46H46N2O23 Molecular Weight (g/mol): 994.87 MDL Number: MFCD05861516 InChI Key: BQRGNLJZBFXNCZ-UHFFFAOYSA-N Synonym: Calcein-acetoxymethyl Ester, Diacetate, CAL-AM IUPAC Name: (acetyloxy)methyl 2-({2-[(acetyloxy)methoxy]-2-oxoethyl}({[3',6'-bis(acetyloxy)-7'-{[bis({2-[(acetyloxy)methoxy]-2-oxoethyl})amino]methyl}-3-oxo-3H-spiro[2-benzofuran-1,9'-xanthen]-2'-yl]methyl})amino)acetate SMILES: CC(=O)OCOC(=O)CN(CC(=O)OCOC(C)=O)CC1=CC2=C(OC3=CC(OC(C)=O)=C(CN(CC(=O)OCOC(C)=O)CC(=O)OCOC(C)=O)C=C3C22OC(=O)C3=CC=CC=C23)C=C1OC(C)=O

Pricing & Availability
Specifications

CAS	148504-34-1
Molecular Weight (g/mol)	994.87
MDL Number	MFCD05861516
SMILES	CC(=O)OCOC(=O)CN(CC(=O)OCOC(C)=O)CC1=CC2=C(OC3=CC(OC(C)=O)=C(CN(CC(=O)OCOC(C)=O)CC(=O)OCOC(C)=O)C=C3C22OC(=O)C3=CC=CC=C23)C=C1OC(C)=O
Synonym	Calcein-acetoxymethyl Ester, Diacetate, CAL-AM
IUPAC Name	(acetyloxy)methyl 2-({2-[(acetyloxy)methoxy]-2-oxoethyl}({[3',6'-bis(acetyloxy)-7'-{[bis({2-[(acetyloxy)methoxy]-2-oxoethyl})amino]methyl}-3-oxo-3H-spiro[2-benzofuran-1,9'-xanthen]-2'-yl]methyl})amino)acetate
InChI Key	BQRGNLJZBFXNCZ-UHFFFAOYSA-N
Molecular Formula	C46H46N2O23

658

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Thermo Scientific Chemicals Rose Bengal, 85%, pure, high purity, Biological stain

CAS: 632-69-9 Molecular Formula: C20H4Cl4I4Na2O5 Molecular Weight (g/mol): 1019.644 MDL Number: MFCD00005043 InChI Key: DPBQSRZQYAYDGY-UHFFFAOYSA-N Synonym: Acid Red 94,C.I. 45440 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	MFCD00005043
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	Acid Red 94,C.I. 45440
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

659

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Thermo Scientific Chemicals Reactive Blue 4, dye content min. 35%

CAS: 13324-20-4 Molecular Formula: C23H14Cl2N6O8S2 Molecular Weight (g/mol): 637.42 MDL Number: MFCD00001218 InChI Key: RTLULCVBFCRQKI-UHFFFAOYSA-N Synonym: C.I. 61205; Procion™ Blue MX-R PubChem CID: 25863 IUPAC Name: 1-amino-4-[3-[(4,6-dichloro-1,3,5-triazin-2-yl)amino]-4-sulfoanilino]-9,10-dioxoanthracene-2-sulfonic acid SMILES: NC1=C(C=C(NC2=CC=C(C(NC3=NC(Cl)=NC(Cl)=N3)=C2)S(O)(=O)=O)C2=C1C(=O)C1=CC=CC=C1C2=O)S(O)(=O)=O

Pricing & Availability
Specifications

PubChem CID	25863
CAS	13324-20-4
Molecular Weight (g/mol)	637.42
MDL Number	MFCD00001218
SMILES	NC1=C(C=C(NC2=CC=C(C(NC3=NC(Cl)=NC(Cl)=N3)=C2)S(O)(=O)=O)C2=C1C(=O)C1=CC=CC=C1C2=O)S(O)(=O)=O
Synonym	C.I. 61205; Procion™ Blue MX-R
IUPAC Name	1-amino-4-[3-[(4,6-dichloro-1,3,5-triazin-2-yl)amino]-4-sulfoanilino]-9,10-dioxoanthracene-2-sulfonic acid
InChI Key	RTLULCVBFCRQKI-UHFFFAOYSA-N
Molecular Formula	C23H14Cl2N6O8S2

660

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Thermo Scientific Chemicals Chromotrope 2B, pure

CAS: 548-80-1 Molecular Formula: C16H9N3Na2O10S2 Molecular Weight (g/mol): 513.36 MDL Number: MFCD00003951 InChI Key: MQHFURHHKNKIRN-GVLVODDDSA-L Synonym: Acid Red 176,C.I. 16575,4,5-Dihydroxy-3-(p-nitrophenylazo)-2,7-naphthalenedisulfonic acid, disodium salt PubChem CID: 44135472 IUPAC Name: disodium (3E)-5-hydroxy-3-[2-(4-nitrophenyl)hydrazin-1-ylidene]-4-oxo-3,4-dihydronaphthalene-2,7-disulfonate SMILES: [Na+].[Na+].OC1=CC(=CC2=C1C(=O)\C(=N/NC1=CC=C(C=C1)[N+]([O-])=O)C(=C2)S([O-])(=O)=O)S([O-])(=O)=O

Pricing & Availability
Specifications

PubChem CID	44135472
CAS	548-80-1
Molecular Weight (g/mol)	513.36
MDL Number	MFCD00003951
SMILES	[Na+].[Na+].OC1=CC(=CC2=C1C(=O)\C(=N/NC1=CC=C(C=C1)[N+]([O-])=O)C(=C2)S([O-])(=O)=O)S([O-])(=O)=O
Synonym	Acid Red 176,C.I. 16575,4,5-Dihydroxy-3-(p-nitrophenylazo)-2,7-naphthalenedisulfonic acid, disodium salt
IUPAC Name	disodium (3E)-5-hydroxy-3-[2-(4-nitrophenyl)hydrazin-1-ylidene]-4-oxo-3,4-dihydronaphthalene-2,7-disulfonate
InChI Key	MQHFURHHKNKIRN-GVLVODDDSA-L
Molecular Formula	C16H9N3Na2O10S2

Stains and Dyes

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Novus Biologicals™ Methyl Green Counterstain Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Epredia™ Signature Series™ Bluing Reagent GSA/VA ContractAvailable on GSA/VA contract for Federal Government customers.Learn More

Novus Biologicals™ Methyl Green Counterstain

Epredia™ Signature Series™ Bluing Reagent