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

256 – 270 of 7,007 results

256

Thermo Scientific Chemicals Oil Red O

CAS: 1320-06-5 Molecular Formula: C26H24N4O Molecular Weight (g/mol): 408.51 MDL Number: MFCD00003898 InChI Key: HJAYEODIXUYVIC-LTFAAIOASA-N Synonym: C.I. 26125; Solvent Red 27 PubChem CID: 6046885 IUPAC Name: (1Z)-1-[[4-[(2,5-dimethylphenyl)diazenyl]-2,5-dimethylphenyl]hydrazinylidene]naphthalen-2-one SMILES: CC1=CC=C(C)C(=C1)N=NC1=CC(C)=C(N\N=C2/C(=O)C=CC3=CC=CC=C23)C=C1C

Pricing & Availability
Specifications

PubChem CID	6046885
CAS	1320-06-5
Molecular Weight (g/mol)	408.51
MDL Number	MFCD00003898
SMILES	CC1=CC=C(C)C(=C1)N=NC1=CC(C)=C(N\N=C2/C(=O)C=CC3=CC=CC=C23)C=C1C
Synonym	C.I. 26125; Solvent Red 27
IUPAC Name	(1Z)-1-[[4-[(2,5-dimethylphenyl)diazenyl]-2,5-dimethylphenyl]hydrazinylidene]naphthalen-2-one
InChI Key	HJAYEODIXUYVIC-LTFAAIOASA-N
Molecular Formula	C26H24N4O

257

Thermo Scientific Chemicals Methyl Orange, ACS reagent

CAS: 547-58-0 Molecular Formula: C14H14N3NaO3S Molecular Weight (g/mol): 327.334 MDL Number: MFCD00007502 InChI Key: STZCRXQWRGQSJD-UHFFFAOYSA-M Synonym: 4-[4-(Dimethylamino)phenylazo]benzenesulfonic acid, sodium salt,Acid Orange 52,C.I. 13025,MO,Helianthise PubChem CID: 23673835 IUPAC Name: sodium;4-[[4-(dimethylamino)phenyl]diazenyl]benzenesulfonate SMILES: CN(C)C1=CC=C(C=C1)N=NC2=CC=C(C=C2)S(=O)(=O)[O-].[Na+]

Pricing & Availability
Specifications

PubChem CID	23673835
CAS	547-58-0
Molecular Weight (g/mol)	327.334
MDL Number	MFCD00007502
SMILES	CN(C)C1=CC=C(C=C1)N=NC2=CC=C(C=C2)S(=O)(=O)[O-].[Na+]
Synonym	4-[4-(Dimethylamino)phenylazo]benzenesulfonic acid, sodium salt,Acid Orange 52,C.I. 13025,MO,Helianthise
IUPAC Name	sodium;4-[[4-(dimethylamino)phenyl]diazenyl]benzenesulfonate
InChI Key	STZCRXQWRGQSJD-UHFFFAOYSA-M
Molecular Formula	C14H14N3NaO3S

258

Thermo Scientific Chemicals Erythrosin B, pure, high purity, biological stain

CAS: 16423-68-0 Molecular Formula: C20H6I4Na2O5 Molecular Weight (g/mol): 879.86 MDL Number: MFCD00144257 InChI Key: IINNWAYUJNWZRM-UHFFFAOYSA-L Synonym: Acid Red 51,C.I. 45430 PubChem CID: 12961638 IUPAC Name: disodium 2-(2,4,5,7-tetraiodo-6-oxido-3-oxo-3H-xanthen-9-yl)benzoate SMILES: [Na+].[Na+].[O-]C(=O)C1=C(C=CC=C1)C1=C2C=C(I)C(=O)C(I)=C2OC2=C(I)C([O-])=C(I)C=C12

Pricing & Availability
Specifications

PubChem CID	12961638
CAS	16423-68-0
Molecular Weight (g/mol)	879.86
MDL Number	MFCD00144257
SMILES	[Na+].[Na+].[O-]C(=O)C1=C(C=CC=C1)C1=C2C=C(I)C(=O)C(I)=C2OC2=C(I)C([O-])=C(I)C=C12
Synonym	Acid Red 51,C.I. 45430
IUPAC Name	disodium 2-(2,4,5,7-tetraiodo-6-oxido-3-oxo-3H-xanthen-9-yl)benzoate
InChI Key	IINNWAYUJNWZRM-UHFFFAOYSA-L
Molecular Formula	C20H6I4Na2O5

259

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

260

Thermo Scientific Chemicals Bromophenol Blue sodium salt, ACS reagent

CAS: 34725-61-6 Molecular Formula: C19H9Br4NaO5S Molecular Weight (g/mol): 691.94 MDL Number: MFCD00013793 InChI Key: KGANHHDZDYZJEM-UHFFFAOYNA-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

Pricing & Availability
Specifications

PubChem CID	3791690
CAS	34725-61-6
Molecular Weight (g/mol)	691.94
MDL Number	MFCD00013793
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	KGANHHDZDYZJEM-UHFFFAOYNA-M
Molecular Formula	C19H9Br4NaO5S

261

Thermo Scientific Chemicals Rhodamine 6G, 99%, pure

CAS: 989-38-8 Molecular Formula: C28H31ClN2O3 Molecular Weight (g/mol): 479.017 MDL Number: MFCD00012665 InChI Key: VYXSBFYARXAAKO-UHFFFAOYSA-N Synonym: Basic Red 1,C.I. 45160 PubChem CID: 51358423 IUPAC Name: ethyl 2-[3-(ethylamino)-6-ethylimino-2,7-dimethylxanthen-9-yl]benzoate;hydron;chloride SMILES: [H+].CCNC1=C(C=C2C(=C1)OC3=CC(=NCC)C(=CC3=C2C4=CC=CC=C4C(=O)OCC)C)C.[Cl-]

Pricing & Availability
Specifications

PubChem CID	51358423
CAS	989-38-8
Molecular Weight (g/mol)	479.017
MDL Number	MFCD00012665
SMILES	[H+].CCNC1=C(C=C2C(=C1)OC3=CC(=NCC)C(=CC3=C2C4=CC=CC=C4C(=O)OCC)C)C.[Cl-]
Synonym	Basic Red 1,C.I. 45160
IUPAC Name	ethyl 2-[3-(ethylamino)-6-ethylimino-2,7-dimethylxanthen-9-yl]benzoate;hydron;chloride
InChI Key	VYXSBFYARXAAKO-UHFFFAOYSA-N
Molecular Formula	C28H31ClN2O3

262

Thermo Scientific Chemicals Methylene Blue trihydrate, 95%, pure

CAS: 7220-79-3 Molecular Formula: C16H24ClN3O3S Molecular Weight (g/mol): 373.90 MDL Number: MFCD00150008 InChI Key: XQAXGZLFSSPBMK-UHFFFAOYSA-M Synonym: Basic Blue 9 trihydrate,C.I. 52015 trihydrate PubChem CID: 104827 SMILES: O.O.O.[Cl-].CN(C)C1=CC2=[S+]C3=CC(=CC=C3N=C2C=C1)N(C)C

Pricing & Availability
Specifications

PubChem CID	104827
CAS	7220-79-3
Molecular Weight (g/mol)	373.90
MDL Number	MFCD00150008
SMILES	O.O.O.[Cl-].CN(C)C1=CC2=[S+]C3=CC(=CC=C3N=C2C=C1)N(C)C
Synonym	Basic Blue 9 trihydrate,C.I. 52015 trihydrate
InChI Key	XQAXGZLFSSPBMK-UHFFFAOYSA-M
Molecular Formula	C16H24ClN3O3S

263

Thermo Scientific Chemicals Congo Red, Indicator grade

CAS: 573-58-0 Molecular Formula: C32H22N6Na2O6S2 Molecular Weight (g/mol): 696.664 MDL Number: MFCD00004028 InChI Key: IQFVPQOLBLOTPF-UHFFFAOYSA-L Synonym: C.I. 22120,Direct Red 28 PubChem CID: 11313 ChEBI: CHEBI:34653 IUPAC Name: disodium;4-amino-3-[[4-[4-[(1-amino-4-sulfonatonaphthalen-2-yl)diazenyl]phenyl]phenyl]diazenyl]naphthalene-1-sulfonate SMILES: C1=CC=C2C(=C1)C(=CC(=C2N)N=NC3=CC=C(C=C3)C4=CC=C(C=C4)N=NC5=C(C6=CC=CC=C6C(=C5)S(=O)(=O)[O-])N)S(=O)(=O)[O-].[Na+].[Na+]

Pricing & Availability
Specifications

PubChem CID	11313
CAS	573-58-0
Molecular Weight (g/mol)	696.664
ChEBI	CHEBI:34653
MDL Number	MFCD00004028
SMILES	C1=CC=C2C(=C1)C(=CC(=C2N)N=NC3=CC=C(C=C3)C4=CC=C(C=C4)N=NC5=C(C6=CC=CC=C6C(=C5)S(=O)(=O)[O-])N)S(=O)(=O)[O-].[Na+].[Na+]
Synonym	C.I. 22120,Direct Red 28
IUPAC Name	disodium;4-amino-3-[[4-[4-[(1-amino-4-sulfonatonaphthalen-2-yl)diazenyl]phenyl]phenyl]diazenyl]naphthalene-1-sulfonate
InChI Key	IQFVPQOLBLOTPF-UHFFFAOYSA-L
Molecular Formula	C32H22N6Na2O6S2

264

StatLab™ Harris Hematoxylin Stain

Modified traditional formulation of Harris Hematoxylin.

Pricing & Availability
Specifications

Product Type	Hematoxylin

265

Calmagite Indicator, 0.1% Aqueous, for Hardness, Certified, LabChem™

CAS: 3147-14-6 Molecular Formula: C17H14N2O5S Molecular Weight (g/mol): 358.368 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)	358.368
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

266

Thermo Scientific Chemicals Pyrocatechol Violet, pure, indicator grade

CAS: 115-41-3 Molecular Formula: C19H14O7S Molecular Weight (g/mol): 386.37 MDL Number: MFCD00005868 InChI Key: RRRCKIRSVQAAAS-UHFFFAOYSA-N Synonym: Pyrocatecholsulfonephthalein 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	Pyrocatecholsulfonephthalein
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

267

Thermo Scientific Chemicals Phenol Red, ACS reagent

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

268

Thermo Scientific™ Remel™ TB Brilliant Green Counterstain

Thermo Scientific™ Remel TB Brilliant Green is a counterstain for TB Kinyoun stain procedures.

Pricing & Availability

269

Thermo Scientific Chemicals Safranin O, 95%, pure, high purity biological stain

CAS: 477-73-6 Molecular Formula: C20H19ClN4 Molecular Weight (g/mol): 350.85 MDL Number: MFCD00011759 InChI Key: QRYAEWIQIBAZOJ-UHFFFAOYSA-N Synonym: Basic Red 2,C.I. 50240,3, 7-Diamino-2, 8-dimethyl-5-phenylphenazinium chloride PubChem CID: 2723800 IUPAC Name: 3,7-dimethyl-10-phenylphenazin-10-ium-2,8-diamine;chloride SMILES: [Cl-].CC1=C(N)C=C2C(=C1)N=C1C(C)=C(N)C=CC1=[N+]2C1=CC=CC=C1

Pricing & Availability
Specifications

PubChem CID	2723800
CAS	477-73-6
Molecular Weight (g/mol)	350.85
MDL Number	MFCD00011759
SMILES	[Cl-].CC1=C(N)C=C2C(=C1)N=C1C(C)=C(N)C=CC1=[N+]2C1=CC=CC=C1
Synonym	Basic Red 2,C.I. 50240,3, 7-Diamino-2, 8-dimethyl-5-phenylphenazinium chloride
IUPAC Name	3,7-dimethyl-10-phenylphenazin-10-ium-2,8-diamine;chloride
InChI Key	QRYAEWIQIBAZOJ-UHFFFAOYSA-N
Molecular Formula	C20H19ClN4

270

Thermo Scientific Chemicals Phenol Red, pure, indicator

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

Stains and Dyes

Filtered Search Results

Narrow Results

StatLab™ Harris Hematoxylin Stain GSA/VA ContractAvailable on GSA/VA contract for Federal Government customers.Learn More

Thermo Scientific™ Remel™ TB Brilliant Green Counterstain GSA/VA ContractAvailable on GSA/VA contract for Federal Government customers.Learn More

StatLab™ Harris Hematoxylin Stain

Thermo Scientific™ Remel™ TB Brilliant Green Counterstain