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.

Search Within Results

271 – 285 of 7,007 results

271

Thermo Scientific Chemicals Phenolphthalein, 98.5%, pure, Indicator grade

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

272

Thermo Scientific Chemicals Trypan Blue

CAS: 72-57-1 Molecular Formula: C34H24N6Na4O14S4 Molecular Weight (g/mol): 960.79 MDL Number: MFCD00003969 InChI Key: WMYVHJWZUUEZNE-ARWFNKCKSA-J Synonym: C.I. 23850,Direct Blue 14,Niagara Blue 3B PubChem CID: 9562061 SMILES: [Na+].[Na+].[Na+].[Na+].CC1=CC(=CC=C1N\N=C1\C(=O)C2=C(N)C=C(C=C2C=C1S([O-])(=O)=O)S([O-])(=O)=O)C1=CC=C(N\N=C2\C(=O)C3=C(N)C=C(C=C3C=C2S([O-])(=O)=O)S([O-])(=O)=O)C(C)=C1

Pricing & Availability
Specifications

PubChem CID	9562061
CAS	72-57-1
Molecular Weight (g/mol)	960.79
MDL Number	MFCD00003969
SMILES	[Na+].[Na+].[Na+].[Na+].CC1=CC(=CC=C1N\N=C1\C(=O)C2=C(N)C=C(C=C2C=C1S([O-])(=O)=O)S([O-])(=O)=O)C1=CC=C(N\N=C2\C(=O)C3=C(N)C=C(C=C3C=C2S([O-])(=O)=O)S([O-])(=O)=O)C(C)=C1
Synonym	C.I. 23850,Direct Blue 14,Niagara Blue 3B
InChI Key	WMYVHJWZUUEZNE-ARWFNKCKSA-J
Molecular Formula	C34H24N6Na4O14S4

273

Thermo Scientific Chemicals Fluorescein, pure

CAS: 2321-07-5 Molecular Formula: C20H12O5 Molecular Weight (g/mol): 332.31 MDL Number: MFCD00005050 InChI Key: GNBHRKFJIUUOQI-UHFFFAOYSA-N PubChem CID: 16850 ChEBI: CHEBI:31624 IUPAC Name: 3',6'-dihydroxyspiro[2-benzofuran-3,9'-xanthene]-1-one SMILES: C1=CC=C2C(=C1)C(=O)OC23C4=C(C=C(C=C4)O)OC5=C3C=CC(=C5)O

Pricing & Availability
Specifications

PubChem CID	16850
CAS	2321-07-5
Molecular Weight (g/mol)	332.31
ChEBI	CHEBI:31624
MDL Number	MFCD00005050
SMILES	C1=CC=C2C(=C1)C(=O)OC23C4=C(C=C(C=C4)O)OC5=C3C=CC(=C5)O
IUPAC Name	3',6'-dihydroxyspiro[2-benzofuran-3,9'-xanthene]-1-one
InChI Key	GNBHRKFJIUUOQI-UHFFFAOYSA-N
Molecular Formula	C20H12O5

274

Thermo Scientific Chemicals Methyl blue

CAS: 28983-56-4 Molecular Formula: C37H26N3Na2O9S3 Molecular Weight (g/mol): 798.79 MDL Number: MFCD00058509 InChI Key: TUHAIJABPUJAEY-UHFFFAOYSA-K Synonym: Acid blue 93; C.I. 42780 PubChem CID: 76956083 SMILES: [Na+].[Na+].[O-]S(=O)(=O)C1=CC=CC=C1NC1=CC=C(C=C1)C(C1=CC=C(NC2=CC=CC=C2S([O-])(=O)=O)C=C1)=C1C=CC(C=C1)=NC1=CC=CC=C1S([O-])(=O)=O

Pricing & Availability
Specifications

PubChem CID	76956083
CAS	28983-56-4
Molecular Weight (g/mol)	798.79
MDL Number	MFCD00058509
SMILES	[Na+].[Na+].[O-]S(=O)(=O)C1=CC=CC=C1NC1=CC=C(C=C1)C(C1=CC=C(NC2=CC=CC=C2S([O-])(=O)=O)C=C1)=C1C=CC(C=C1)=NC1=CC=CC=C1S([O-])(=O)=O
Synonym	Acid blue 93; C.I. 42780
InChI Key	TUHAIJABPUJAEY-UHFFFAOYSA-K
Molecular Formula	C37H26N3Na2O9S3

275

Thermo Scientific™ Remel™ TB Auramine O Stain Kit

Thermo Scientific™ Remel TB Auramine O Stain Kit is a fluorescent stain for microscopic detection of AFB.

Pricing & Availability

276

Thermo Scientific Chemicals Amaranth, 85%, pure

CAS: 915-67-3 Molecular Formula: C20H11N2Na3O10S3 Molecular Weight (g/mol): 604.46 MDL Number: MFCD00004076 InChI Key: VOBHRQFELWTZFS-DXVNCNPQSA-K Synonym: Acid Red 27,C.I. 16185 PubChem CID: 6364527 IUPAC Name: trisodium;3-oxo-4-[(4-sulfonatonaphthalen-1-yl)hydrazinylidene]naphthalene-2,7-disulfonate SMILES: [Na+].[Na+].[Na+].[O-]S(=O)(=O)C1=CC=C2C(=C1)C=C(C(=O)\C2=N\NC1=C2C=CC=CC2=C(C=C1)S([O-])(=O)=O)S([O-])(=O)=O

Pricing & Availability
Specifications

PubChem CID	6364527
CAS	915-67-3
Molecular Weight (g/mol)	604.46
MDL Number	MFCD00004076
SMILES	[Na+].[Na+].[Na+].[O-]S(=O)(=O)C1=CC=C2C(=C1)C=C(C(=O)\C2=N\NC1=C2C=CC=CC2=C(C=C1)S([O-])(=O)=O)S([O-])(=O)=O
Synonym	Acid Red 27,C.I. 16185
IUPAC Name	trisodium;3-oxo-4-[(4-sulfonatonaphthalen-1-yl)hydrazinylidene]naphthalene-2,7-disulfonate
InChI Key	VOBHRQFELWTZFS-DXVNCNPQSA-K
Molecular Formula	C20H11N2Na3O10S3

277

Thermo Scientific Chemicals Acridine Orange, hydrochloride hydrate, pure, ca. 80 % dye content

CAS: 1704465-79-1 Molecular Formula: C17H20ClN3 Molecular Weight (g/mol): 301.82 MDL Number: MFCD00150070 InChI Key: VSTHNGLPHBTRMB-UHFFFAOYSA-N Synonym: Basic orange 14,3, 6-Bis(dimethylamino)acridine hydrochloride,C.I. 46005 PubChem CID: 517204 ChEBI: CHEBI:51739 IUPAC Name: N3,N3,N6,N6-tetramethylacridine-3,6-diamine hydrochloride SMILES: Cl.CN(C)C1=CC2=NC3=CC(=CC=C3C=C2C=C1)N(C)C

Pricing & Availability
Specifications

PubChem CID	517204
CAS	1704465-79-1
Molecular Weight (g/mol)	301.82
ChEBI	CHEBI:51739
MDL Number	MFCD00150070
SMILES	Cl.CN(C)C1=CC2=NC3=CC(=CC=C3C=C2C=C1)N(C)C
Synonym	Basic orange 14,3, 6-Bis(dimethylamino)acridine hydrochloride,C.I. 46005
IUPAC Name	N3,N3,N6,N6-tetramethylacridine-3,6-diamine hydrochloride
InChI Key	VSTHNGLPHBTRMB-UHFFFAOYSA-N
Molecular Formula	C17H20ClN3

278

Thermo Scientific Chemicals Bromocresol Purple, sodium salt, pure, water soluble, indicator

CAS: 62625-30-3 Molecular Formula: C21H15Br2NaO5S Molecular Weight (g/mol): 562.204 MDL Number: MFCD00148896 InChI Key: KVSJYIXUWNOWBD-UGAWPWHASA-M Synonym: BCP,Bromcresol Purple, sodium salt,5';, 5';';-Dibromo-o-cresolsulfonephthalein, sodium salt PubChem CID: 23665568 IUPAC Name: sodium;2-[(E)-(3-bromo-4-hydroxy-5-methylphenyl)-(3-bromo-5-methyl-4-oxocyclohexa-2,5-dien-1-ylidene)methyl]benzenesulfonate SMILES: CC1=CC(=C(C2=CC=CC=C2S(=O)(=O)[O-])C3=CC(=C(C(=C3)Br)O)C)C=C(C1=O)Br.[Na+]

Pricing & Availability
Specifications

PubChem CID	23665568
CAS	62625-30-3
Molecular Weight (g/mol)	562.204
MDL Number	MFCD00148896
SMILES	CC1=CC(=C(C2=CC=CC=C2S(=O)(=O)[O-])C3=CC(=C(C(=C3)Br)O)C)C=C(C1=O)Br.[Na+]
Synonym	BCP,Bromcresol Purple, sodium salt,5';, 5';';-Dibromo-o-cresolsulfonephthalein, sodium salt
IUPAC Name	sodium;2-[(E)-(3-bromo-4-hydroxy-5-methylphenyl)-(3-bromo-5-methyl-4-oxocyclohexa-2,5-dien-1-ylidene)methyl]benzenesulfonate
InChI Key	KVSJYIXUWNOWBD-UGAWPWHASA-M
Molecular Formula	C21H15Br2NaO5S

279

MilliporeSigma™ Tuerk's Solution for Leukocyte Counting

for leukocyte counting

Pricing & Availability

280

m-Cresol Purple, sodium salt, pure, water soluble

CAS: 62625-31-4 Molecular Formula: C₂₁H₁₇NaO₅S MDL Number: MFCD00010177 Synonym: m-Cresol Purple, sodium salt

Pricing & Availability
Specifications

CAS	62625-31-4
MDL Number	MFCD00010177
Synonym	m-Cresol Purple, sodium salt
Molecular Formula	C₂₁H₁₇NaO₅S

281

Thermo Scientific Chemicals Catechol Violet

CAS: 115-41-3 Molecular Formula: C19H14O7S Molecular Weight (g/mol): 386.37 MDL Number: MFCD00005868 InChI Key: RRRCKIRSVQAAAS-UHFFFAOYSA-N Synonym: Pyrocatechol sulfonephthalein; Pyrocatechol Violet PubChem CID: 66993 IUPAC Name: 4-[3-(3,4-dihydroxyphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]benzene-1,2-diol SMILES: OC1=CC=C(C=C1O)C1(OS(=O)(=O)C2=CC=CC=C12)C1=CC=C(O)C(O)=C1

Pricing & Availability
Specifications

PubChem CID	66993
CAS	115-41-3
Molecular Weight (g/mol)	386.37
MDL Number	MFCD00005868
SMILES	OC1=CC=C(C=C1O)C1(OS(=O)(=O)C2=CC=CC=C12)C1=CC=C(O)C(O)=C1
Synonym	Pyrocatechol sulfonephthalein; Pyrocatechol Violet
IUPAC Name	4-[3-(3,4-dihydroxyphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]benzene-1,2-diol
InChI Key	RRRCKIRSVQAAAS-UHFFFAOYSA-N
Molecular Formula	C19H14O7S

282

Thermo Scientific Chemicals Bromothymol Blue, ACS reagent

CAS: 76-59-5 Molecular Formula: C27H28Br2O5S Molecular Weight (g/mol): 624.384 MDL Number: MFCD00005872 InChI Key: NUHCTOLBWMJMLX-UHFFFAOYSA-N Synonym: Bromthymol Blue,3';, 3';';-Dibromothymolsulfonephthalein,BTB 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
Synonym	Bromthymol Blue,3';, 3';';-Dibromothymolsulfonephthalein,BTB
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

283

Thermo Scientific™ Remel™ Loefflers Methylene Blue

For presumptive identification of Corynebacterium diphtheriae, Haemophilus influenzae, Neisseria meningitidis, and gram-negative bacteria.

Pricing & Availability

284

Acid Blue 9, TCI America™

CAS: 3844-45-9 Molecular Formula: C37H34N2Na2O9S3 Molecular Weight (g/mol): 792.844 MDL Number: MFCD00012141 InChI Key: SGHZXLIDFTYFHQ-UHFFFAOYSA-L Synonym: Brilliant Blue FCF, Erioglaucin A PubChem CID: 19700 ChEBI: CHEBI:82411 IUPAC Name: disodium;2-[[4-[ethyl-[(3-sulfonatophenyl)methyl]amino]phenyl]-[4-[ethyl-[(3-sulfonatophenyl)methyl]azaniumylidene]cyclohexa-2,5-dien-1-ylidene]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=C5S(=O)(=O)[O-].[Na+].[Na+]

Pricing & Availability
Specifications

PubChem CID	19700
CAS	3844-45-9
Molecular Weight (g/mol)	792.844
ChEBI	CHEBI:82411
MDL Number	MFCD00012141
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=C5S(=O)(=O)[O-].[Na+].[Na+]
Synonym	Brilliant Blue FCF, Erioglaucin A
IUPAC Name	disodium;2-[[4-[ethyl-[(3-sulfonatophenyl)methyl]amino]phenyl]-[4-[ethyl-[(3-sulfonatophenyl)methyl]azaniumylidene]cyclohexa-2,5-dien-1-ylidene]methyl]benzenesulfonate
InChI Key	SGHZXLIDFTYFHQ-UHFFFAOYSA-L
Molecular Formula	C37H34N2Na2O9S3

285

StatLab™ Hema-Diff 1 Fixative

A three-step procedure for differential staining of blood smears that is used extensively in FNA cytology.

Pricing & Availability
Specifications

For Use With (Application)	Differential Staining

Stains and Dyes

Filtered Search Results

Narrow Results

Thermo Scientific™ Remel™ TB Auramine O Stain Kit GSA/VA ContractAvailable on GSA/VA contract for Federal Government customers.Learn More

Thermo Scientific™ Remel™ Loefflers Methylene Blue GSA/VA ContractAvailable on GSA/VA contract for Federal Government customers.Learn More

StatLab™ Hema-Diff 1 Fixative GSA/VA ContractAvailable on GSA/VA contract for Federal Government customers.Learn More

Thermo Scientific™ Remel™ TB Auramine O Stain Kit

Thermo Scientific™ Remel™ Loefflers Methylene Blue

StatLab™ Hema-Diff 1 Fixative