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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391 – 405 of 6,893 results

391

Thymol Blue sodium salt, ACS, Thermo Scientific Chemicals

CAS: 62625-21-2 Molecular Formula: C27H29NaO5S Molecular Weight (g/mol): 488.57 MDL Number: MFCD00151093 InChI Key: OCMIKNBSIRSUPI-FRWNMSGJSA-M PubChem CID: 23692293 IUPAC Name: sodium;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-ylphenolate SMILES: [Na+].CC(C)C1=C\C(=C(\C2=CC(C(C)C)=C(O)C=C2C)C2=C(C=CC=C2)S([O-])(=O)=O)C(C)=CC1=O

Pricing & Availability
Specifications

PubChem CID	23692293
CAS	62625-21-2
Molecular Weight (g/mol)	488.57
MDL Number	MFCD00151093
SMILES	[Na+].CC(C)C1=C\C(=C(\C2=CC(C(C)C)=C(O)C=C2C)C2=C(C=CC=C2)S([O-])(=O)=O)C(C)=CC1=O
IUPAC Name	sodium;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-ylphenolate
InChI Key	OCMIKNBSIRSUPI-FRWNMSGJSA-M
Molecular Formula	C27H29NaO5S

392

Thermo Scientific Chemicals Bromocresol Green sodium salt

CAS: 62625-32-5 Molecular Formula: C₂₁H₁₃Br₄NaO₅S MDL Number: MFCD00148898 Synonym: Bromocresol Green, water soluble

Pricing & Availability
Specifications

CAS	62625-32-5
MDL Number	MFCD00148898
Synonym	Bromocresol Green, water soluble
Molecular Formula	C₂₁H₁₃Br₄NaO₅S

393

Methyl Orange Solution R, EP Reagent 1054802, Ricca Chemical

Pricing & Availability
Specifications

Name Note	Reagent
CAS	547-58-0
Physical Form	Liquid
CAS Min %	0.08
Chemical Name or Material	Methyl Orange Solution
CAS Max %	0.09

394

Thermo Scientific Chemicals Alizarin Red S sodium salt, 1% w/v aq. sol.

CAS: 130-22-3 Molecular Formula: C14H7NaO7S Molecular Weight (g/mol): 342.253 MDL Number: MFCD00013049 InChI Key: HFVAFDPGUJEFBQ-UHFFFAOYSA-M PubChem CID: 3955344 ChEBI: CHEBI:87358 IUPAC Name: sodium;3,4-dihydroxy-9,10-dioxoanthracene-2-sulfonate SMILES: C1=CC=C2C(=C1)C(=O)C3=CC(=C(C(=C3C2=O)O)O)S(=O)(=O)[O-].[Na+]

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Specifications

PubChem CID	3955344
CAS	130-22-3
Molecular Weight (g/mol)	342.253
ChEBI	CHEBI:87358
MDL Number	MFCD00013049
SMILES	C1=CC=C2C(=C1)C(=O)C3=CC(=C(C(=C3C2=O)O)O)S(=O)(=O)[O-].[Na+]
IUPAC Name	sodium;3,4-dihydroxy-9,10-dioxoanthracene-2-sulfonate
InChI Key	HFVAFDPGUJEFBQ-UHFFFAOYSA-M
Molecular Formula	C14H7NaO7S

395

Chromotrope 2R

CAS: 4197-07-3 MDL Number: MFCD00003955 Synonym: Acid Red 29; C.I. 16570

Pricing & Availability
Specifications

CAS	4197-07-3
MDL Number	MFCD00003955
Synonym	Acid Red 29; C.I. 16570

396

Thermo Scientific Chemicals 2',7'-Dichlorofluorescein, pure

CAS: 76-54-0 Molecular Formula: C20H10Cl2O5 Molecular Weight (g/mol): 401.195 MDL Number: MFCD00005047 InChI Key: VFNKZQNIXUFLBC-UHFFFAOYSA-N Synonym: 2',7'-Dichloro-3',6'-dihydroxyspiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one PubChem CID: 64944 ChEBI: CHEBI:51596 IUPAC Name: 2',7'-dichloro-3',6'-dihydroxyspiro[2-benzofuran-3,9'-xanthene]-1-one SMILES: C1=CC=C2C(=C1)C(=O)OC23C4=CC(=C(C=C4OC5=CC(=C(C=C35)Cl)O)O)Cl

Pricing & Availability
Specifications

PubChem CID	64944
CAS	76-54-0
Molecular Weight (g/mol)	401.195
ChEBI	CHEBI:51596
MDL Number	MFCD00005047
SMILES	C1=CC=C2C(=C1)C(=O)OC23C4=CC(=C(C=C4OC5=CC(=C(C=C35)Cl)O)O)Cl
Synonym	2',7'-Dichloro-3',6'-dihydroxyspiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one
IUPAC Name	2',7'-dichloro-3',6'-dihydroxyspiro[2-benzofuran-3,9'-xanthene]-1-one
InChI Key	VFNKZQNIXUFLBC-UHFFFAOYSA-N
Molecular Formula	C20H10Cl2O5

397

Naringin, 97%

CAS: 10236-47-2 Molecular Formula: C27H32O14 Molecular Weight (g/mol): 580.54 MDL Number: MFCD00148888,MFCD00149445,MFCD01461988 InChI Key: DFPMSGMNTNDNHN-ZPHOTFPESA-N PubChem CID: 74787988 IUPAC Name: 7-[(2S,4S,5S,6R)-4,5-dihydroxy-6-(hydroxymethyl)-3-[(2S,3R,4R,5R,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxyoxan-2-yl]oxy-5-hydroxy-2-(4-hydroxyphenyl)-2,3-dihydrochromen-4-one SMILES: C[C@@H]1O[C@@H](O[C@@H]2[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]2OC2=CC(O)=C3C(=O)C[C@H](OC3=C2)C2=CC=C(O)C=C2)[C@H](O)[C@H](O)[C@H]1O

Pricing & Availability
Specifications

PubChem CID	74787988
CAS	10236-47-2
Molecular Weight (g/mol)	580.54
MDL Number	MFCD00148888,MFCD00149445,MFCD01461988
SMILES	C[C@@H]1O[C@@H](O[C@@H]2[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]2OC2=CC(O)=C3C(=O)C[C@H](OC3=C2)C2=CC=C(O)C=C2)[C@H](O)[C@H](O)[C@H]1O
IUPAC Name	7-[(2S,4S,5S,6R)-4,5-dihydroxy-6-(hydroxymethyl)-3-[(2S,3R,4R,5R,6S)-3,4,5-trihydroxy-6-methyloxan-2-yl]oxyoxan-2-yl]oxy-5-hydroxy-2-(4-hydroxyphenyl)-2,3-dihydrochromen-4-one
InChI Key	DFPMSGMNTNDNHN-ZPHOTFPESA-N
Molecular Formula	C27H32O14

398

Ponceau S, Electrophoresis Grade

CAS: 6226-79-5 Molecular Formula: C22H12N4Na4O13S4 Molecular Weight (g/mol): 760.552 MDL Number: MFCD00003892 InChI Key: VSXKEUCERCWGKF-STNZDNLRSA-J Synonym: C.I. 27195 PubChem CID: 11320219 IUPAC Name: tetrasodium;(4Z)-3-oxo-4-[[2-sulfonato-4-[(4-sulfonatophenyl)diazenyl]phenyl]hydrazinylidene]naphthalene-2,7-disulfonate SMILES: C1=CC(=CC=C1N=NC2=CC(=C(C=C2)NN=C3C4=C(C=C(C=C4)S(=O)(=O)[O-])C=C(C3=O)S(=O)(=O)[O-])S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+].[Na+].[Na+]

Pricing & Availability
Specifications

PubChem CID	11320219
CAS	6226-79-5
Molecular Weight (g/mol)	760.552
MDL Number	MFCD00003892
SMILES	C1=CC(=CC=C1N=NC2=CC(=C(C=C2)NN=C3C4=C(C=C(C=C4)S(=O)(=O)[O-])C=C(C3=O)S(=O)(=O)[O-])S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+].[Na+].[Na+]
Synonym	C.I. 27195
IUPAC Name	tetrasodium;(4Z)-3-oxo-4-[[2-sulfonato-4-[(4-sulfonatophenyl)diazenyl]phenyl]hydrazinylidene]naphthalene-2,7-disulfonate
InChI Key	VSXKEUCERCWGKF-STNZDNLRSA-J
Molecular Formula	C22H12N4Na4O13S4

399

StatLab™ Select Eosin Stain

Alcoholic and acidified formulation producing a cytoplasmic stain with three distinct color variations in a short amount of staining time.

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400

Allura Red AC, TCI America™

CAS: 25956-17-6 Molecular Formula: C18H14N2Na2O8S2 Molecular Weight (g/mol): 496.42 MDL Number: MFCD00059526 InChI Key: POXPUHKJGLHZEM-VIPPSAFOSA-L Synonym: FD and C Red No.40 PubChem CID: 44386827 IUPAC Name: disodium (5E)-5-[2-(2-methoxy-5-methyl-4-sulfonatophenyl)hydrazin-1-ylidene]-6-oxo-5,6-dihydronaphthalene-2-sulfonate SMILES: [Na+].[Na+].COC1=CC(=C(C)C=C1N\N=C1\C(=O)C=CC2=CC(=CC=C12)S([O-])(=O)=O)S([O-])(=O)=O

Pricing & Availability
Specifications

PubChem CID	44386827
CAS	25956-17-6
Molecular Weight (g/mol)	496.42
MDL Number	MFCD00059526
SMILES	[Na+].[Na+].COC1=CC(=C(C)C=C1N\N=C1\C(=O)C=CC2=CC(=CC=C12)S([O-])(=O)=O)S([O-])(=O)=O
Synonym	FD and C Red No.40
IUPAC Name	disodium (5E)-5-[2-(2-methoxy-5-methyl-4-sulfonatophenyl)hydrazin-1-ylidene]-6-oxo-5,6-dihydronaphthalene-2-sulfonate
InChI Key	POXPUHKJGLHZEM-VIPPSAFOSA-L
Molecular Formula	C18H14N2Na2O8S2

401

Fluorescamine, pure

CAS: 38183-12-9 Molecular Formula: C17H10O4 Molecular Weight (g/mol): 278.26 MDL Number: MFCD00005928 InChI Key: ZFKJVJIDPQDDFY-UHFFFAOYNA-N PubChem CID: 37927 IUPAC Name: 4'-phenylspiro[2-benzofuran-3,2'-furan]-1,3'-dione SMILES: O=C1OC2(OC=C(C2=O)C2=CC=CC=C2)C2=CC=CC=C12

Pricing & Availability
Specifications

PubChem CID	37927
CAS	38183-12-9
Molecular Weight (g/mol)	278.26
MDL Number	MFCD00005928
SMILES	O=C1OC2(OC=C(C2=O)C2=CC=CC=C2)C2=CC=CC=C12
IUPAC Name	4'-phenylspiro[2-benzofuran-3,2'-furan]-1,3'-dione
InChI Key	ZFKJVJIDPQDDFY-UHFFFAOYNA-N
Molecular Formula	C17H10O4

402

Alcian Blue Solution, For Microscopy, MilliporeSigma™

CAS: 64-19-7 Molecular Formula: C2H4O2 Molecular Weight (g/mol): 60.05 MDL Number: MFCD00036152 InChI Key: QTBSBXVTEAMEQO-UHFFFAOYSA-N PubChem CID: 176 ChEBI: CHEBI:15366 IUPAC Name: acetic acid SMILES: CC(O)=O

Pricing & Availability
Specifications

PubChem CID	176
CAS	64-19-7
Molecular Weight (g/mol)	60.05
ChEBI	CHEBI:15366
MDL Number	MFCD00036152
SMILES	CC(O)=O
IUPAC Name	acetic acid
InChI Key	QTBSBXVTEAMEQO-UHFFFAOYSA-N
Molecular Formula	C2H4O2

403

Thermo Scientific Chemicals Leucomalachite Green, pure

CAS: 129-73-7 Molecular Formula: C23H26N2 Molecular Weight (g/mol): 330.475 MDL Number: MFCD00008315 InChI Key: WZKXBGJNNCGHIC-UHFFFAOYSA-N Synonym: 4, 4';-Benzylidenebis(N, N-dimethylaniline),Malachite green leuco base PubChem CID: 67215 IUPAC Name: 4-[[4-(dimethylamino)phenyl]-phenylmethyl]-N,N-dimethylaniline SMILES: CN(C)C1=CC=C(C=C1)C(C2=CC=CC=C2)C3=CC=C(C=C3)N(C)C

Pricing & Availability
Specifications

PubChem CID	67215
CAS	129-73-7
Molecular Weight (g/mol)	330.475
MDL Number	MFCD00008315
SMILES	CN(C)C1=CC=C(C=C1)C(C2=CC=CC=C2)C3=CC=C(C=C3)N(C)C
Synonym	4, 4';-Benzylidenebis(N, N-dimethylaniline),Malachite green leuco base
IUPAC Name	4-[[4-(dimethylamino)phenyl]-phenylmethyl]-N,N-dimethylaniline
InChI Key	WZKXBGJNNCGHIC-UHFFFAOYSA-N
Molecular Formula	C23H26N2

404

Thermo Scientific Chemicals Ruthenium Red tetrahydrate, pure

CAS: 12790-48-6 Molecular Formula: Cl6H36N14O6Ru3-14 Molecular Weight (g/mol): 844.29 MDL Number: MFCD00167176 InChI Key: IMVKVBRYNZXYAP-UHFFFAOYSA-H PubChem CID: 108195 IUPAC Name: azanide;oxygen(2-);ruthenium;ruthenium(5+);hexachloride;tetrahydrate SMILES: [NH2-].[NH2-].[NH2-].[NH2-].[NH2-].[NH2-].[NH2-].[NH2-].[NH2-].[NH2-].[NH2-].[NH2-].[NH2-].[NH2-].O.O.O.O.[O-2].[O-2].[Cl-].[Cl-].[Cl-].[Cl-].[Cl-].[Cl-].[Ru].[Ru+5].[Ru+5]

Pricing & Availability
Specifications

PubChem CID	108195
CAS	12790-48-6
Molecular Weight (g/mol)	844.29
MDL Number	MFCD00167176
SMILES	[NH2-].[NH2-].[NH2-].[NH2-].[NH2-].[NH2-].[NH2-].[NH2-].[NH2-].[NH2-].[NH2-].[NH2-].[NH2-].[NH2-].O.O.O.O.[O-2].[O-2].[Cl-].[Cl-].[Cl-].[Cl-].[Cl-].[Cl-].[Ru].[Ru+5].[Ru+5]
IUPAC Name	azanide;oxygen(2-);ruthenium;ruthenium(5+);hexachloride;tetrahydrate
InChI Key	IMVKVBRYNZXYAP-UHFFFAOYSA-H
Molecular Formula	Cl6H36N14O6Ru3-14

405

Thermo Scientific Chemicals Fluorescein Isothiocyanate Isomer I, 90%, Pure

CAS: 3326-32-7 Molecular Formula: C21H11NO5S Molecular Weight (g/mol): 389.381 MDL Number: MFCD00005063 InChI Key: MHMNJMPURVTYEJ-UHFFFAOYSA-N Synonym: 5-FITC,5-Isothiocyanato fluorescein PubChem CID: 18730 ChEBI: CHEBI:37918 IUPAC Name: 3',6'-dihydroxy-6-isothiocyanatospiro[2-benzofuran-3,9'-xanthene]-1-one SMILES: C1=CC2=C(C=C1N=C=S)C(=O)OC23C4=C(C=C(C=C4)O)OC5=C3C=CC(=C5)O

Pricing & Availability
Specifications

PubChem CID	18730
CAS	3326-32-7
Molecular Weight (g/mol)	389.381
ChEBI	CHEBI:37918
MDL Number	MFCD00005063
SMILES	C1=CC2=C(C=C1N=C=S)C(=O)OC23C4=C(C=C(C=C4)O)OC5=C3C=CC(=C5)O
Synonym	5-FITC,5-Isothiocyanato fluorescein
IUPAC Name	3',6'-dihydroxy-6-isothiocyanatospiro[2-benzofuran-3,9'-xanthene]-1-one
InChI Key	MHMNJMPURVTYEJ-UHFFFAOYSA-N
Molecular Formula	C21H11NO5S

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

StatLab™ Select Eosin Stain