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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1,471 – 1,485 of 7,126 results

1,471

Cycle-Tap Sampler, J.T. Baker™

Pricing & Availability

1,472

Phenol Red, TCI America™

CAS: 143-74-8 Molecular Formula: C19H14O5S Molecular Weight (g/mol): 354.38 MDL Number: MFCD00003552 InChI Key: BELBBZDIHDAJOR-UHFFFAOYSA-N Synonym: Phenolsulfonphthalein PubChem CID: 4766 ChEBI: CHEBI:31991 IUPAC Name: 3,3-bis(4-hydroxyphenyl)-3H-2,1λ⁶-benzoxathiole-1,1-dione 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
IUPAC Name	3,3-bis(4-hydroxyphenyl)-3H-2,1λ⁶-benzoxathiole-1,1-dione
InChI Key	BELBBZDIHDAJOR-UHFFFAOYSA-N
Molecular Formula	C19H14O5S

1,473

Ethyl Red 97.0+%, TCI America™

CAS: 76058-33-8 Molecular Formula: C17H18N3O2 Molecular Weight (g/mol): 296.35 MDL Number: MFCD00002427 InChI Key: HBRCDTRQDHMTDA-UHFFFAOYSA-M PubChem CID: 54832 IUPAC Name: 2-{2-[4-(diethylamino)phenyl]diazen-1-yl}benzoate SMILES: CCN(CC)C1=CC=C(C=C1)N=NC1=CC=CC=C1C([O-])=O

Pricing & Availability
Specifications

PubChem CID	54832
CAS	76058-33-8
Molecular Weight (g/mol)	296.35
MDL Number	MFCD00002427
SMILES	CCN(CC)C1=CC=C(C=C1)N=NC1=CC=CC=C1C([O-])=O
IUPAC Name	2-{2-[4-(diethylamino)phenyl]diazen-1-yl}benzoate
InChI Key	HBRCDTRQDHMTDA-UHFFFAOYSA-M
Molecular Formula	C17H18N3O2

1,474

Ferroin Indicator, 0.025 M Phenanthroline Ferrous Sulfate Complex, Ricca Chemical

Pricing & Availability
Specifications

Name Note	Phenanthroline Ferrous Sulfate Complex
Percent Purity	0.025 M
CAS	7782-63-0
Color	Dark Red
Physical Form	Liquid
CAS Min %	0.67
Chemical Name or Material	Ferroin Indicator
Grade	Indicator
CAS Max %	0.69

1,475

Cresol Red 98.0+%, TCI America™

CAS: 1733-12-6 Molecular Formula: C21H18O5S Molecular Weight (g/mol): 382.43 MDL Number: MFCD00005878 InChI Key: OBRMNDMBJQTZHV-UHFFFAOYSA-N Synonym: o-Cresolsulfonphthalein PubChem CID: 73013 ChEBI: CHEBI:86218 IUPAC Name: 3,3-bis(4-hydroxy-3-methylphenyl)-3H-2,1λ⁶-benzoxathiole-1,1-dione SMILES: CC1=CC(=CC=C1O)C1(OS(=O)(=O)C2=CC=CC=C12)C1=CC=C(O)C(C)=C1

Pricing & Availability
Specifications

PubChem CID	73013
CAS	1733-12-6
Molecular Weight (g/mol)	382.43
ChEBI	CHEBI:86218
MDL Number	MFCD00005878
SMILES	CC1=CC(=CC=C1O)C1(OS(=O)(=O)C2=CC=CC=C12)C1=CC=C(O)C(C)=C1
Synonym	o-Cresolsulfonphthalein
IUPAC Name	3,3-bis(4-hydroxy-3-methylphenyl)-3H-2,1λ⁶-benzoxathiole-1,1-dione
InChI Key	OBRMNDMBJQTZHV-UHFFFAOYSA-N
Molecular Formula	C21H18O5S

1,476

Thymol Blue, TCI America™

CAS: 76-61-9 Molecular Formula: C27H30O5S Molecular Weight (g/mol): 466.592 MDL Number: MFCD00005869 InChI Key: PRZSXZWFJHEZBJ-UHFFFAOYSA-N Synonym: Thymolsulfonphthalein PubChem CID: 65565 IUPAC Name: 4-[3-(4-hydroxy-2-methyl-5-propan-2-ylphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]-5-methyl-2-propan-2-ylphenol SMILES: CC1=CC(=C(C=C1C2(C3=CC=CC=C3S(=O)(=O)O2)C4=CC(=C(C=C4C)O)C(C)C)C(C)C)O

Pricing & Availability
Specifications

PubChem CID	65565
CAS	76-61-9
Molecular Weight (g/mol)	466.592
MDL Number	MFCD00005869
SMILES	CC1=CC(=C(C=C1C2(C3=CC=CC=C3S(=O)(=O)O2)C4=CC(=C(C=C4C)O)C(C)C)C(C)C)O
Synonym	Thymolsulfonphthalein
IUPAC Name	4-[3-(4-hydroxy-2-methyl-5-propan-2-ylphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]-5-methyl-2-propan-2-ylphenol
InChI Key	PRZSXZWFJHEZBJ-UHFFFAOYSA-N
Molecular Formula	C27H30O5S

1,477

Phenolphthalein, 1% (w/v) in 60% (v/v) Isopropyl Alcohol, Neutralized, Ricca Chemical

Pricing & Availability
Specifications

Percent Purity	1% W/V
CAS	77-09-8
Color	Colorless to Pink
Physical Form	Liquid
pH	8
Packaging	Natural Poly Bottle
Chemical Name or Material	Phenolphthalein
Grade	Indicator

1,478

Coomassie Brilliant Blue R-250 [for Electrophoresis], TCI America™

CAS: 6104-59-2 Molecular Formula: C45H44N3NaO7S2 Molecular Weight (g/mol): 825.97 MDL Number: MFCD00041762 InChI Key: HAEGGLCXLFWTBE-UHFFFAOYSA-M Synonym: Acid Cyanine 6B, Alizarin Rubinol 5G, Solar Cyanine 6B, Acid Blue 83, Brilliant Blue R, CBB R-250 PubChem CID: 61365 IUPAC Name: sodium {4-[(4-ethoxyphenyl)amino]phenyl}bis(4-{ethyl[(3-sulfonatophenyl)methyl]amino}phenyl)methylium SMILES: [Na+].CCOC1=CC=C(NC2=CC=C(C=C2)[C+](C2=CC=C(C=C2)N(CC)CC2=CC=CC(=C2)S([O-])(=O)=O)C2=CC=C(C=C2)N(CC)CC2=CC=CC(=C2)S([O-])(=O)=O)C=C1

Pricing & Availability
Specifications

PubChem CID	61365
CAS	6104-59-2
Molecular Weight (g/mol)	825.97
MDL Number	MFCD00041762
SMILES	[Na+].CCOC1=CC=C(NC2=CC=C(C=C2)[C+](C2=CC=C(C=C2)N(CC)CC2=CC=CC(=C2)S([O-])(=O)=O)C2=CC=C(C=C2)N(CC)CC2=CC=CC(=C2)S([O-])(=O)=O)C=C1
Synonym	Acid Cyanine 6B, Alizarin Rubinol 5G, Solar Cyanine 6B, Acid Blue 83, Brilliant Blue R, CBB R-250
IUPAC Name	sodium {4-[(4-ethoxyphenyl)amino]phenyl}bis(4-{ethyl[(3-sulfonatophenyl)methyl]amino}phenyl)methylium
InChI Key	HAEGGLCXLFWTBE-UHFFFAOYSA-M
Molecular Formula	C45H44N3NaO7S2

1,479

Calcein (mixture of isomers) [for Fluorometric Determination of Ca], TCI America™

CAS: 154071-48-4 Molecular Formula: C30H26N2O13 Molecular Weight (g/mol): 622.54 MDL Number: MFCD00005049,MFCD09750388 InChI Key: DEGAKNSWVGKMLS-UHFFFAOYSA-N Synonym: Fluorexon, Fluorescein Bis(methyliminodiacetic Acid), Bis[N,N-bis(carboxymethyl)aminomethyl]fluorescein PubChem CID: 65079 ChEBI: CHEBI:51903 IUPAC Name: 2-{[(7'-{[bis(carboxymethyl)amino]methyl}-3',6'-dihydroxy-3-oxo-3H-spiro[2-benzofuran-1,9'-xanthen]-2'-yl)methyl](carboxymethyl)amino}acetic acid SMILES: OC(=O)CN(CC(O)=O)CC1=C(O)C=C2OC3=CC(O)=C(CN(CC(O)=O)CC(O)=O)C=C3C3(OC(=O)C4=CC=CC=C34)C2=C1

Pricing & Availability
Specifications

PubChem CID	65079
CAS	154071-48-4
Molecular Weight (g/mol)	622.54
ChEBI	CHEBI:51903
MDL Number	MFCD00005049,MFCD09750388
SMILES	OC(=O)CN(CC(O)=O)CC1=C(O)C=C2OC3=CC(O)=C(CN(CC(O)=O)CC(O)=O)C=C3C3(OC(=O)C4=CC=CC=C34)C2=C1
Synonym	Fluorexon, Fluorescein Bis(methyliminodiacetic Acid), Bis[N,N-bis(carboxymethyl)aminomethyl]fluorescein
IUPAC Name	2-{[(7'-{[bis(carboxymethyl)amino]methyl}-3',6'-dihydroxy-3-oxo-3H-spiro[2-benzofuran-1,9'-xanthen]-2'-yl)methyl](carboxymethyl)amino}acetic acid
InChI Key	DEGAKNSWVGKMLS-UHFFFAOYSA-N
Molecular Formula	C30H26N2O13

1,480

Titan Yellow, TCI America™

CAS: 1829-00-1 Molecular Formula: C28H19N5Na2O6S4 Molecular Weight (g/mol): 695.709 MDL Number: MFCD00013091 InChI Key: CZIRZNRQHFVCDZ-UHFFFAOYSA-L Synonym: Clayton Yellow, Thiazol Yellow, Direct Yellow 9 PubChem CID: 73217 IUPAC Name: disodium;6-methyl-2-[4-[2-[4-(6-methyl-7-sulfonato-1,3-benzothiazol-2-yl)phenyl]iminohydrazinyl]phenyl]-1,3-benzothiazole-7-sulfonate SMILES: CC1=C(C2=C(C=C1)N=C(S2)C3=CC=C(C=C3)NN=NC4=CC=C(C=C4)C5=NC6=C(S5)C(=C(C=C6)C)S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+]

Pricing & Availability
Specifications

PubChem CID	73217
CAS	1829-00-1
Molecular Weight (g/mol)	695.709
MDL Number	MFCD00013091
SMILES	CC1=C(C2=C(C=C1)N=C(S2)C3=CC=C(C=C3)NN=NC4=CC=C(C=C4)C5=NC6=C(S5)C(=C(C=C6)C)S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+]
Synonym	Clayton Yellow, Thiazol Yellow, Direct Yellow 9
IUPAC Name	disodium;6-methyl-2-[4-[2-[4-(6-methyl-7-sulfonato-1,3-benzothiazol-2-yl)phenyl]iminohydrazinyl]phenyl]-1,3-benzothiazole-7-sulfonate
InChI Key	CZIRZNRQHFVCDZ-UHFFFAOYSA-L
Molecular Formula	C28H19N5Na2O6S4

1,481

Quinaldine Red 95.0+%, TCI America™

CAS: 117-92-0 Molecular Formula: C21H23IN2 Molecular Weight (g/mol): 430.33 MDL Number: MFCD00011968 InChI Key: JOLANDVPGMEGLK-UHFFFAOYSA-M PubChem CID: 5702759 IUPAC Name: 2-{2-[4-(dimethylamino)phenyl]ethenyl}-1-ethylquinolin-1-ium iodide SMILES: [I-].CC[N+]1=C2C=CC=CC2=CC=C1C=CC1=CC=C(C=C1)N(C)C

Pricing & Availability
Specifications

PubChem CID	5702759
CAS	117-92-0
Molecular Weight (g/mol)	430.33
MDL Number	MFCD00011968
SMILES	[I-].CC[N+]1=C2C=CC=CC2=CC=C1C=CC1=CC=C(C=C1)N(C)C
IUPAC Name	2-{2-[4-(dimethylamino)phenyl]ethenyl}-1-ethylquinolin-1-ium iodide
InChI Key	JOLANDVPGMEGLK-UHFFFAOYSA-M
Molecular Formula	C21H23IN2

1,482

Calmagite Indicator, 0.1% (w/v), Ricca Chemical

CAS: 3147-14-6 Molecular Formula: C17H14N2O5S Molecular Weight (g/mol): Mixture InChI Key: ASFVMSDYPYMUFL-UHFFFAOYSA-N PubChem CID: 6364506 IUPAC Name: 4-[(2-hydroxy-5-methylphenyl)hydrazinylidene]-3-oxonaphthalene-1-sulfonic acid SMILES: CC1=CC(=C(C=C1)O)NN=C2C3=CC=CC=C3C(=CC2=O)S(=O)(=O)O

Pricing & Availability
Specifications

PubChem CID	6364506
CAS	3147-14-6
Molecular Weight (g/mol)	Mixture
SMILES	CC1=CC(=C(C=C1)O)NN=C2C3=CC=CC=C3C(=CC2=O)S(=O)(=O)O
IUPAC Name	4-[(2-hydroxy-5-methylphenyl)hydrazinylidene]-3-oxonaphthalene-1-sulfonic acid
InChI Key	ASFVMSDYPYMUFL-UHFFFAOYSA-N
Molecular Formula	C17H14N2O5S