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.

241 – 255 of 6,411 results

241

Thermo Scientific Chemicals Calcon™, pure

CAS: 2538-85-4 Molecular Formula: C20H13N2NaO5S Molecular Weight (g/mol): 416.383 MDL Number: MFCD00004069 InChI Key: YJUGDMOGPJJWDG-UHFFFAOYSA-M Synonym: C.I. 15705,Eriochrome™ Blue Black R,Mordant Black 17,Zinchrome R PubChem CID: 23702480 IUPAC Name: sodium;4-[(2-hydroxynaphthalen-1-yl)hydrazinylidene]-3-oxonaphthalene-1-sulfonate SMILES: C1=CC=C2C(=C1)C=CC(=C2NN=C3C4=CC=CC=C4C(=CC3=O)S(=O)(=O)[O-])O.[Na+]

Pricing & Availability
Specifications

PubChem CID	23702480
CAS	2538-85-4
Molecular Weight (g/mol)	416.383
MDL Number	MFCD00004069
SMILES	C1=CC=C2C(=C1)C=CC(=C2NN=C3C4=CC=CC=C4C(=CC3=O)S(=O)(=O)[O-])O.[Na+]
Synonym	C.I. 15705,Eriochrome™ Blue Black R,Mordant Black 17,Zinchrome R
IUPAC Name	sodium;4-[(2-hydroxynaphthalen-1-yl)hydrazinylidene]-3-oxonaphthalene-1-sulfonate
InChI Key	YJUGDMOGPJJWDG-UHFFFAOYSA-M
Molecular Formula	C20H13N2NaO5S

242

Thermo Scientific Chemicals Phenol Red, pure, indicator

CAS: 143-74-8 Molecular Formula: C19H14O5S Molecular Weight (g/mol): 354.38 MDL Number: MFCD00003552 InChI Key: BELBBZDIHDAJOR-UHFFFAOYSA-N Synonym: Phenolsulfonephthalein PubChem CID: 4766 ChEBI: CHEBI:31991 SMILES: OC1=CC=C(C=C1)C1(OS(=O)(=O)C2=CC=CC=C12)C1=CC=C(O)C=C1

Pricing & Availability
Specifications

PubChem CID	4766
CAS	143-74-8
Molecular Weight (g/mol)	354.38
ChEBI	CHEBI:31991
MDL Number	MFCD00003552
SMILES	OC1=CC=C(C=C1)C1(OS(=O)(=O)C2=CC=CC=C12)C1=CC=C(O)C=C1
Synonym	Phenolsulfonephthalein
InChI Key	BELBBZDIHDAJOR-UHFFFAOYSA-N
Molecular Formula	C19H14O5S

243

Thermo Scientific Chemicals Phenol Red, ACS

CAS: 143-74-8 Molecular Formula: C19H14O5S Molecular Weight (g/mol): 354.38 MDL Number: MFCD00003552 InChI Key: BELBBZDIHDAJOR-UHFFFAOYSA-N Synonym: Phenolsulfonphthalein; Phenylsulfonephthalein PubChem CID: 4766 ChEBI: CHEBI:31991 SMILES: OC1=CC=C(C=C1)C1(OS(=O)(=O)C2=CC=CC=C12)C1=CC=C(O)C=C1

Pricing & Availability
Specifications

PubChem CID	4766
CAS	143-74-8
Molecular Weight (g/mol)	354.38
ChEBI	CHEBI:31991
MDL Number	MFCD00003552
SMILES	OC1=CC=C(C=C1)C1(OS(=O)(=O)C2=CC=CC=C12)C1=CC=C(O)C=C1
Synonym	Phenolsulfonphthalein; Phenylsulfonephthalein
InChI Key	BELBBZDIHDAJOR-UHFFFAOYSA-N
Molecular Formula	C19H14O5S

244

MilliporeSigma™ Tuerk's Solution for Leukocyte Counting

for leukocyte counting

Pricing & Availability

245

Thermo Scientific Chemicals Brilliant Green, pure, high purity biological stain

CAS: 633-03-4 Molecular Formula: C27H34N2O4S Molecular Weight (g/mol): 482.639 MDL Number: MFCD00011880 InChI Key: NNBFNNNWANBMTI-UHFFFAOYSA-M Synonym: Basic Green 1,C.I. 42040,Ethyl Green 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-]

Pricing & Availability
Specifications

PubChem CID	12449
CAS	633-03-4
Molecular Weight (g/mol)	482.639
MDL Number	MFCD00011880
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	Basic Green 1,C.I. 42040,Ethyl Green
IUPAC Name	[4-[[4-(diethylamino)phenyl]-phenylmethylidene]cyclohexa-2,5-dien-1-ylidene]-diethylazanium;hydrogen sulfate
InChI Key	NNBFNNNWANBMTI-UHFFFAOYSA-M
Molecular Formula	C27H34N2O4S

246

Thermo Scientific Chemicals Bromophenol Blue, ACS reagent

CAS: 115-39-9 Molecular Formula: C19H10Br4O5S Molecular Weight (g/mol): 669.96 MDL Number: MFCD00005875 InChI Key: UDSAIICHUKSCKT-UHFFFAOYSA-N Synonym: 3',3'',5',5''-Tetrabromophenolsulfonephthalein,BPB,3', 3'', 5' PubChem CID: 8272 ChEBI: CHEBI:59424 IUPAC Name: 2,6-dibromo-4-[3-(3,5-dibromo-4-hydroxyphenyl)-1,1-dioxo-2,1,lambda{6}-benzoxathiol-3-yl]phenol SMILES: C1=CC=C2C(=C1)C(OS2(=O)=O)(C3=CC(=C(C(=C3)Br)O)Br)C4=CC(=C(C(=C4)Br)O)Br

Pricing & Availability
Specifications

PubChem CID	8272
CAS	115-39-9
Molecular Weight (g/mol)	669.96
ChEBI	CHEBI:59424
MDL Number	MFCD00005875
SMILES	C1=CC=C2C(=C1)C(OS2(=O)=O)(C3=CC(=C(C(=C3)Br)O)Br)C4=CC(=C(C(=C4)Br)O)Br
Synonym	3',3'',5',5''-Tetrabromophenolsulfonephthalein,BPB,3', 3'', 5'
IUPAC Name	2,6-dibromo-4-[3-(3,5-dibromo-4-hydroxyphenyl)-1,1-dioxo-2,1,lambda{6}-benzoxathiol-3-yl]phenol
InChI Key	UDSAIICHUKSCKT-UHFFFAOYSA-N
Molecular Formula	C19H10Br4O5S

247

Thermo Scientific Chemicals Malachite Green oxalate, pure, high purity biological stain

CAS: 2437-29-8 Molecular Formula: C52H54N4O12 Molecular Weight (g/mol): 927.02 MDL Number: MFCD00011766,MFCD00151209 InChI Key: CNYGFPPAGUCRIC-UHFFFAOYSA-L Synonym: Basic Green 4,C.I. 42000 PubChem CID: 2724411 IUPAC Name: [4-[[4-(dimethylamino)phenyl]-phenylmethylidene]cyclohexa-2,5-dien-1-ylidene]-dimethylazanium;2-hydroxy-2-oxoacetate;oxalic acid 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

Pricing & Availability
Specifications

PubChem CID	2724411
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	Basic Green 4,C.I. 42000
IUPAC Name	[4-[[4-(dimethylamino)phenyl]-phenylmethylidene]cyclohexa-2,5-dien-1-ylidene]-dimethylazanium;2-hydroxy-2-oxoacetate;oxalic acid
InChI Key	CNYGFPPAGUCRIC-UHFFFAOYSA-L
Molecular Formula	C52H54N4O12

248

Thermo Scientific Chemicals Alcian Blue 8GX

CAS: 33864-99-2 Molecular Formula: C56H68Cl4CuN16S4 Molecular Weight (g/mol): 1298.86 MDL Number: MFCD00010720 InChI Key: XRWQTDIELZDCPS-UHFFFAOYSA-J Synonym: Ingrain blue 1; C.I. 74240 PubChem CID: 17749099 IUPAC Name: (9Z,18Z,26Z,35Z)-4,14,22,32-tetrakis({[(dimethylamino)(dimethyliminiumyl)methyl]sulfanyl}methyl)-9,18,27,36,37,39,40,41-octaaza-38-cupradecacyclo[17.17.3.1¹⁰,¹⁷.1²⁸,³⁵.0²,⁷.0⁸,³⁷.0¹¹,¹⁶.0²⁰,²⁵.0²⁶,³⁹.0²⁹,³⁴]hentetraconta-1,3,5,7,9,11(16),12,14,17(41),18,20,22,24,26,28(40),29(34),30,32,35-nonadecaene-38,38-bis(ylium) tetrachloride SMILES: [Cl-].[Cl-].[Cl-].[Cl-].CN(C)C(SCC1=CC2=C(C=C1)\C1=N\C3=C4C=CC(CSC(N(C)C)=[N+](C)C)=CC4=C4\N=C5/N=C(/N=C6\N([Cu++]N34)\C(=N/C2=N1)C1=CC(CSC(N(C)C)=[N+](C)C)=CC=C61)C1=C5C=C(CSC(N(C)C)=[N+](C)C)C=C1)=[N+](C)C

Pricing & Availability
Specifications

PubChem CID	17749099
CAS	33864-99-2
Molecular Weight (g/mol)	1298.86
MDL Number	MFCD00010720
SMILES	[Cl-].[Cl-].[Cl-].[Cl-].CN(C)C(SCC1=CC2=C(C=C1)\C1=N\C3=C4C=CC(CSC(N(C)C)=[N+](C)C)=CC4=C4\N=C5/N=C(/N=C6\N([Cu++]N34)\C(=N/C2=N1)C1=CC(CSC(N(C)C)=[N+](C)C)=CC=C61)C1=C5C=C(CSC(N(C)C)=[N+](C)C)C=C1)=[N+](C)C
Synonym	Ingrain blue 1; C.I. 74240
IUPAC Name	(9Z,18Z,26Z,35Z)-4,14,22,32-tetrakis({[(dimethylamino)(dimethyliminiumyl)methyl]sulfanyl}methyl)-9,18,27,36,37,39,40,41-octaaza-38-cupradecacyclo[17.17.3.1¹⁰,¹⁷.1²⁸,³⁵.0²,⁷.0⁸,³⁷.0¹¹,¹⁶.0²⁰,²⁵.0²⁶,³⁹.0²⁹,³⁴]hentetraconta-1,3,5,7,9,11(16),12,14,17(41),18,20,22,24,26,28(40),29(34),30,32,35-nonadecaene-38,38-bis(ylium) tetrachloride
InChI Key	XRWQTDIELZDCPS-UHFFFAOYSA-J
Molecular Formula	C56H68Cl4CuN16S4

249

Thermo Scientific™ Acridine Orange

Thermo Scientific™ Remel Acridine Orange is a fluorescent stain for detection of bacteria in body fluids.

Pricing & Availability

250

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

251

Thermo Scientific Chemicals Fast Green FCF

CAS: 2353-45-9 Molecular Formula: C37H34N2Na2O10S3 Molecular Weight (g/mol): 808.84 MDL Number: MFCD00013053 InChI Key: XJBPDZVCYTYRIN-UHFFFAOYSA-L Synonym: C.I. 42053 PubChem CID: 16887 IUPAC Name: disodium;2-[[4-[ethyl-[(3-sulfonatophenyl)methyl]amino]phenyl]-[4-[ethyl-[(3-sulfonatophenyl)methyl]azaniumylidene]cyclohexa-2,5-dien-1-ylidene]methyl]-5-hydroxybenzenesulfonate SMILES: [Na+].[Na+].CCN(CC1=CC=CC(=C1)S([O-])(=O)=O)C1=CC=C(C=C1)[C+](C1=CC=C(C=C1)N(CC)CC1=CC=CC(=C1)S([O-])(=O)=O)C1=CC=C(O)C=C1S([O-])(=O)=O

Pricing & Availability
Specifications

PubChem CID	16887
CAS	2353-45-9
Molecular Weight (g/mol)	808.84
MDL Number	MFCD00013053
SMILES	[Na+].[Na+].CCN(CC1=CC=CC(=C1)S([O-])(=O)=O)C1=CC=C(C=C1)[C+](C1=CC=C(C=C1)N(CC)CC1=CC=CC(=C1)S([O-])(=O)=O)C1=CC=C(O)C=C1S([O-])(=O)=O
Synonym	C.I. 42053
IUPAC Name	disodium;2-[[4-[ethyl-[(3-sulfonatophenyl)methyl]amino]phenyl]-[4-[ethyl-[(3-sulfonatophenyl)methyl]azaniumylidene]cyclohexa-2,5-dien-1-ylidene]methyl]-5-hydroxybenzenesulfonate
InChI Key	XJBPDZVCYTYRIN-UHFFFAOYSA-L
Molecular Formula	C37H34N2Na2O10S3

252

Nile Red Fluorescent stain for intracellular lipid droplets. MP Biomedicals

CAS: 7385-67-3 Molecular Formula: C20H18N2O2 Molecular Weight (g/mol): 318.38 MDL Number: MFCD00011639 InChI Key: VOFUROIFQGPCGE-UHFFFAOYSA-N Synonym: Nile Blue A Oxazone,9-diethylamino-5H-benzo-alpha-phenoxazine-5-one PubChem CID: 65182 ChEBI: CHEBI:52169 IUPAC Name: 9-(diethylamino)benzo[a]phenoxazin-5-one SMILES: CCN(CC)C1=CC=C2N=C3C(OC2=C1)=CC(=O)C1=CC=CC=C31

Pricing & Availability
Specifications

PubChem CID	65182
CAS	7385-67-3
Molecular Weight (g/mol)	318.38
ChEBI	CHEBI:52169
MDL Number	MFCD00011639
SMILES	CCN(CC)C1=CC=C2N=C3C(OC2=C1)=CC(=O)C1=CC=CC=C31
Synonym	Nile Blue A Oxazone,9-diethylamino-5H-benzo-alpha-phenoxazine-5-one
IUPAC Name	9-(diethylamino)benzo[a]phenoxazin-5-one
InChI Key	VOFUROIFQGPCGE-UHFFFAOYSA-N
Molecular Formula	C20H18N2O2

253

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

254

BD BBL™/Difco™ TB Auramine M

For staining mycobacteria by the Morse, Blair, Weiser and Sproat fluorescent procedure

Pricing & Availability

255

Bromothymol Blue sodium salt, 0.04% w/v aq. soln.

CAS: 34722-90-2 Molecular Formula: C27H27Br2NaO5S Molecular Weight (g/mol): 646.37 MDL Number: MFCD00077263,MFCD00077263,MFCD00077263 InChI Key: NMKFVGALBGZKGW-FKWCIMQXSA-M PubChem CID: 102183223 SMILES: [Na+].CC(C)C1=CC(\C(C2=CC=CC=C2S([O-])(=O)=O)=C2/C=C(C(C)C)C(=O)C(Br)=C2C)=C(C)C(Br)=C1O

Pricing & Availability
Specifications

PubChem CID	102183223
CAS	34722-90-2
Molecular Weight (g/mol)	646.37
MDL Number	MFCD00077263,MFCD00077263,MFCD00077263
SMILES	[Na+].CC(C)C1=CC(\C(C2=CC=CC=C2S([O-])(=O)=O)=C2/C=C(C(C)C)C(=O)C(Br)=C2C)=C(C)C(Br)=C1O
InChI Key	NMKFVGALBGZKGW-FKWCIMQXSA-M
Molecular Formula	C27H27Br2NaO5S

Stains and Dyes

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Thermo Scientific™ Acridine Orange GSA/VA ContractAvailable on GSA/VA contract for Federal Government customers.Learn More

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

BD BBL™/Difco™ TB Auramine M GSA/VA ContractAvailable on GSA/VA contract for Federal Government customers.Learn More

Thermo Scientific™ Acridine Orange

Thermo Scientific™ Remel™ TB Auramine O Stain Kit

BD BBL™/Difco™ TB Auramine M