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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1,036 – 1,050 of 7,117 results

1,036

Thermo Scientific™ Calcofluor White Stain Kit

Calcofluor White Stain Kit is a fluorescent stain used for the rapid detection of fungi, Microsporidium, Acanthamoeba, and Pneumocystis.

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1,037

Thermo Scientific™ Remel™ Microbiological Stains: Acid Ethanol to Gram Safranin

Comprehensive offering for bacteriology, mycology, mycobacteriology and parasitology

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1,038

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Thermo Scientific Chemicals Bromophenol Blue, sodium salt, pure, water soluble, indicator

CAS: 62625-28-9 Molecular Formula: C19H9Br4NaO5S Molecular Weight (g/mol): 691.942 MDL Number: MFCD00013793 InChI Key: TWKDJMRHSLWRFI-UHFFFAOYSA-M Synonym: 3',3'',5',5''-Tetrabromophenolsulfonephthalein PubChem CID: 3791690 IUPAC Name: sodium;2-[(3,5-dibromo-4-hydroxyphenyl)-(3,5-dibromo-4-oxocyclohexa-2,5-dien-1-ylidene)methyl]benzenesulfonate SMILES: C1=CC=C(C(=C1)C(=C2C=C(C(=O)C(=C2)Br)Br)C3=CC(=C(C(=C3)Br)O)Br)S(=O)(=O)[O-].[Na+]

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Specifications

PubChem CID	3791690
CAS	62625-28-9
Molecular Weight (g/mol)	691.942
MDL Number	MFCD00013793
SMILES	C1=CC=C(C(=C1)C(=C2C=C(C(=O)C(=C2)Br)Br)C3=CC(=C(C(=C3)Br)O)Br)S(=O)(=O)[O-].[Na+]
Synonym	3',3'',5',5''-Tetrabromophenolsulfonephthalein
IUPAC Name	sodium;2-[(3,5-dibromo-4-hydroxyphenyl)-(3,5-dibromo-4-oxocyclohexa-2,5-dien-1-ylidene)methyl]benzenesulfonate
InChI Key	TWKDJMRHSLWRFI-UHFFFAOYSA-M
Molecular Formula	C19H9Br4NaO5S

1,039

Thermo Scientific™ Phenolic Acridine Orange Decolorizer

Detect acid-fast bacilli in clinical specimens using Phenolic Acridine Orange Decolorizer along with Phenolic Acridine Orange Stain.

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1,040

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Methyl Orange, 0.1% (w/v) Aqueous Indicator Solution, (U.S.P. Test Solution), Spectrum™ Chemical

CAS: 547-58-0 Molecular Formula: C14H14N3O3S Molecular Weight (g/mol): 304.34 InChI Key: IETWCRRCPURZOC-UHFFFAOYSA-M IUPAC Name: 4-{2-[4-(dimethylamino)phenyl]diazen-1-yl}benzene-1-sulfonate SMILES: CN(C)C1=CC=C(C=C1)N=NC1=CC=C(C=C1)S([O-])(=O)=O

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Specifications

CAS	547-58-0
Molecular Weight (g/mol)	304.34
SMILES	CN(C)C1=CC=C(C=C1)N=NC1=CC=C(C=C1)S([O-])(=O)=O
IUPAC Name	4-{2-[4-(dimethylamino)phenyl]diazen-1-yl}benzene-1-sulfonate
InChI Key	IETWCRRCPURZOC-UHFFFAOYSA-M
Molecular Formula	C14H14N3O3S

1,041

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Thermo Scientific Chemicals Eriochrome Black T Solution

CAS: 1787-61-7 Molecular Formula: C20H12N3NaO7S Molecular Weight (g/mol): 461.38 MDL Number: MFCD00003935 InChI Key: JHUJLRKQZAPSDP-GXTSIBQPSA-M Synonym: C.I. 14645,3-Hydroxy-4-(1-hydroxy-2-naphthylazo)-7-nitro-1-naphthalene sulfonic acid, sodium salt,Mordant Black 11 PubChem CID: 87355429 IUPAC Name: sodium (4Z)-4-[2-(1-hydroxynaphthalen-2-yl)hydrazin-1-ylidene]-7-nitro-3-oxo-3,4-dihydronaphthalene-1-sulfonate SMILES: [Na+].OC1=C2C=CC=CC2=CC=C1N\N=C1/C(=O)C=C(C2=CC(=CC=C12)[N+]([O-])=O)S([O-])(=O)=O

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Specifications

PubChem CID	87355429
CAS	1787-61-7
Molecular Weight (g/mol)	461.38
MDL Number	MFCD00003935
SMILES	[Na+].OC1=C2C=CC=CC2=CC=C1N\N=C1/C(=O)C=C(C2=CC(=CC=C12)[N+]([O-])=O)S([O-])(=O)=O
Synonym	C.I. 14645,3-Hydroxy-4-(1-hydroxy-2-naphthylazo)-7-nitro-1-naphthalene sulfonic acid, sodium salt,Mordant Black 11
IUPAC Name	sodium (4Z)-4-[2-(1-hydroxynaphthalen-2-yl)hydrazin-1-ylidene]-7-nitro-3-oxo-3,4-dihydronaphthalene-1-sulfonate
InChI Key	JHUJLRKQZAPSDP-GXTSIBQPSA-M
Molecular Formula	C20H12N3NaO7S

1,042

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Thermo Scientific Chemicals Naphthol Green B

CAS: 19381-50-1 Molecular Formula: C30H18FeN3Na3O15S3 Molecular Weight (g/mol): 881.474 MDL Number: MFCD00003886 InChI Key: VLBLPLXOYXEXJK-UHFFFAOYSA-K Synonym: Acid Green 1; C.I. 10020 PubChem CID: 14598749 IUPAC Name: trisodium;6-hydroxy-5-nitrosonaphthalene-2-sulfonate;iron SMILES: C1=CC2=C(C=CC(=C2N=O)O)C=C1S(=O)(=O)[O-].C1=CC2=C(C=CC(=C2N=O)O)C=C1S(=O)(=O)[O-].C1=CC2=C(C=CC(=C2N=O)O)C=C1S(=O)(=O)[O-].[Na+].[Na+].[Na+].[Fe]

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Specifications

PubChem CID	14598749
CAS	19381-50-1
Molecular Weight (g/mol)	881.474
MDL Number	MFCD00003886
SMILES	C1=CC2=C(C=CC(=C2N=O)O)C=C1S(=O)(=O)[O-].C1=CC2=C(C=CC(=C2N=O)O)C=C1S(=O)(=O)[O-].C1=CC2=C(C=CC(=C2N=O)O)C=C1S(=O)(=O)[O-].[Na+].[Na+].[Na+].[Fe]
Synonym	Acid Green 1; C.I. 10020
IUPAC Name	trisodium;6-hydroxy-5-nitrosonaphthalene-2-sulfonate;iron
InChI Key	VLBLPLXOYXEXJK-UHFFFAOYSA-K
Molecular Formula	C30H18FeN3Na3O15S3

1,043

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Phenolphthalein TS, U.S.P. Test Solution, Spectrum™ Chemical

CAS: 77-09-8 Molecular Formula: C20H14O4 Molecular Weight (g/mol): 318.33 MDL Number: MFCD00005913 InChI Key: KJFMBFZCATUALV-UHFFFAOYSA-N 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

CAS	77-09-8
Molecular Weight (g/mol)	318.33
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

1,044

BioTracker 520 Green Hypoxia Dye, MilliporeSigma™

Live cell imaging dye for hypoxia that increases in fluorescence intensity with decreasing oxygen levels.

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1,045

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Thermo Scientific Chemicals Acridine Orange, pure, ca. 55% dye content

CAS: 10127-02-3 Molecular Formula: C17H20Cl3N3Zn Molecular Weight (g/mol): 438.10 MDL Number: MFCD00081043,MFCD00081043,MFCD00081043 InChI Key: VADJQOXWNSPOQA-UHFFFAOYSA-L Synonym: 3,6-Bis(dimethylamino)acridine zinc chloride double salt,Basic Orange 14 PubChem CID: 71774334 IUPAC Name: zinc;hydron;3-N,3-N,6-N,6-N-tetramethylacridine-3,6-diamine;trichloride SMILES: [H+].[Cl-].[Cl-].[Cl-].[Zn++].CN(C)C1=CC2=NC3=CC(=CC=C3C=C2C=C1)N(C)C

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Specifications

PubChem CID	71774334
CAS	10127-02-3
Molecular Weight (g/mol)	438.10
MDL Number	MFCD00081043,MFCD00081043,MFCD00081043
SMILES	[H+].[Cl-].[Cl-].[Cl-].[Zn++].CN(C)C1=CC2=NC3=CC(=CC=C3C=C2C=C1)N(C)C
Synonym	3,6-Bis(dimethylamino)acridine zinc chloride double salt,Basic Orange 14
IUPAC Name	zinc;hydron;3-N,3-N,6-N,6-N-tetramethylacridine-3,6-diamine;trichloride
InChI Key	VADJQOXWNSPOQA-UHFFFAOYSA-L
Molecular Formula	C17H20Cl3N3Zn

1,046

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Thermo Scientific Chemicals Methylthymol blue, tetrasodium salt, pure, water soluble

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1,047

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Thermo Scientific Chemicals Para Red, pure

Molecular Formula: C₁₆H₁₁N₃O₃ MDL Number: MFCD00003908 Synonym: 1-(4-Nitrophenylazo)-2-naphthol

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Specifications

MDL Number	MFCD00003908
Synonym	1-(4-Nitrophenylazo)-2-naphthol
Molecular Formula	C₁₆H₁₁N₃O₃

1,048

Brilliant Green, MP Biomedicals™

CAS: 633-03-4 Molecular Formula: C27H34N2O4S Molecular Weight (g/mol): 482.639 InChI Key: NNBFNNNWANBMTI-UHFFFAOYSA-M Synonym: Astradiamant green GX, Basic Green 1, Diamond Green, Emerald Green, Ethyl Green, Malachite Green G, Solid Green JO PubChem CID: 12449 IUPAC Name: [4-[[4-(diethylamino)phenyl]-phenylmethylidene]cyclohexa-2,5-dien-1-ylidene]-diethylazanium;hydrogen sulfate SMILES: CCN(CC)C1=CC=C(C=C1)C(=C2C=CC(=[N+](CC)CC)C=C2)C3=CC=CC=C3.OS(=O)(=O)[O-]

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Specifications

PubChem CID	12449
CAS	633-03-4
Molecular Weight (g/mol)	482.639
SMILES	CCN(CC)C1=CC=C(C=C1)C(=C2C=CC(=[N+](CC)CC)C=C2)C3=CC=CC=C3.OS(=O)(=O)[O-]
Synonym	Astradiamant green GX, Basic Green 1, Diamond Green, Emerald Green, Ethyl Green, Malachite Green G, Solid Green JO
IUPAC Name	[4-[[4-(diethylamino)phenyl]-phenylmethylidene]cyclohexa-2,5-dien-1-ylidene]-diethylazanium;hydrogen sulfate
InChI Key	NNBFNNNWANBMTI-UHFFFAOYSA-M
Molecular Formula	C27H34N2O4S

1,049

Malachite Green Oxalate, MP Biomedicals™

CAS: 2437-29-8 Molecular Formula: C52H54N4O12 Molecular Weight (g/mol): 927.02 MDL Number: MFCD00011766,MFCD00151209 InChI Key: CNYGFPPAGUCRIC-UHFFFAOYSA-L Synonym: Basicgreen 4,Acryl brilliantgreen,Chinagreen,Anilinegreen IUPAC Name: bis(bis[4-(dimethylamino)phenyl](phenyl)methylium) oxalic acid dihydrogen oxalate SMILES: OC(=O)C(O)=O.OC(=O)C([O-])=O.OC(=O)C([O-])=O.CN(C)C1=CC=C(C=C1)[C+](C1=CC=CC=C1)C1=CC=C(C=C1)N(C)C.CN(C)C1=CC=C(C=C1)[C+](C1=CC=CC=C1)C1=CC=C(C=C1)N(C)C

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Specifications

CAS	2437-29-8
Molecular Weight (g/mol)	927.02
MDL Number	MFCD00011766,MFCD00151209
SMILES	OC(=O)C(O)=O.OC(=O)C([O-])=O.OC(=O)C([O-])=O.CN(C)C1=CC=C(C=C1)[C+](C1=CC=CC=C1)C1=CC=C(C=C1)N(C)C.CN(C)C1=CC=C(C=C1)[C+](C1=CC=CC=C1)C1=CC=C(C=C1)N(C)C
Synonym	Basicgreen 4,Acryl brilliantgreen,Chinagreen,Anilinegreen
IUPAC Name	bis(bis[4-(dimethylamino)phenyl](phenyl)methylium) oxalic acid dihydrogen oxalate
InChI Key	CNYGFPPAGUCRIC-UHFFFAOYSA-L
Molecular Formula	C52H54N4O12

1,050

Brilliant Cresyl Blue, MP Biomedicals™

CAS: 81029-05-2 Molecular Formula: C17H20N3OCl. 1/2(ZnCl2) Synonym: Brilliant Blue C, Brilliant Cresyl Blue ALD

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Specifications

CAS	81029-05-2
Synonym	Brilliant Blue C, Brilliant Cresyl Blue ALD
Molecular Formula	C17H20N3OCl. 1/2(ZnCl2)

Stains and Dyes

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Thermo Scientific™ Calcofluor White Stain Kit GSA/VA ContractAvailable on GSA/VA contract for Federal Government customers.Learn More

Thermo Scientific™ Remel™ Microbiological Stains: Acid Ethanol to Gram Safranin GSA/VA ContractAvailable on GSA/VA contract for Federal Government customers.Learn More

Thermo Scientific™ Calcofluor White Stain Kit

Thermo Scientific™ Remel™ Microbiological Stains: Acid Ethanol to Gram Safranin