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.

751 – 765 of 6,309 results

751

Thermo Scientific Chemicals Evans Blue

CAS: 314-13-6 Molecular Formula: C34H24N6Na4O14S4 Molecular Weight (g/mol): 960.79 MDL Number: MFCD00004021 InChI Key: KBNIFDASRCWYGC-GXNXWABVSA-J Synonym: C.I. 23860,Direct Blue 53 PubChem CID: 24832074 IUPAC Name: tetrasodium (6E)-4-amino-6-[2-(4'-{2-[(2E)-8-amino-1-oxo-5,7-disulfonato-1,2-dihydronaphthalen-2-ylidene]hydrazin-1-yl}-3,3'-dimethyl-[1,1'-biphenyl]-4-yl)hydrazin-1-ylidene]-5-oxo-5,6-dihydronaphthalene-1,3-disulfonate SMILES: [Na+].[Na+].[Na+].[Na+].CC1=CC(=CC=C1N\N=C1/C=CC2=C(C=C(C(N)=C2C1=O)S([O-])(=O)=O)S([O-])(=O)=O)C1=CC=C(N\N=C2/C=CC3=C(C=C(C(N)=C3C2=O)S([O-])(=O)=O)S([O-])(=O)=O)C(C)=C1

Pricing & Availability
Specifications

PubChem CID	24832074
CAS	314-13-6
Molecular Weight (g/mol)	960.79
MDL Number	MFCD00004021
SMILES	[Na+].[Na+].[Na+].[Na+].CC1=CC(=CC=C1N\N=C1/C=CC2=C(C=C(C(N)=C2C1=O)S([O-])(=O)=O)S([O-])(=O)=O)C1=CC=C(N\N=C2/C=CC3=C(C=C(C(N)=C3C2=O)S([O-])(=O)=O)S([O-])(=O)=O)C(C)=C1
Synonym	C.I. 23860,Direct Blue 53
IUPAC Name	tetrasodium (6E)-4-amino-6-[2-(4'-{2-[(2E)-8-amino-1-oxo-5,7-disulfonato-1,2-dihydronaphthalen-2-ylidene]hydrazin-1-yl}-3,3'-dimethyl-[1,1'-biphenyl]-4-yl)hydrazin-1-ylidene]-5-oxo-5,6-dihydronaphthalene-1,3-disulfonate
InChI Key	KBNIFDASRCWYGC-GXNXWABVSA-J
Molecular Formula	C34H24N6Na4O14S4

752

Molecular Weight (g/mol)	509.43
Color	Purple to Red
Loss on Drying	≤10 %
Physical Form	Powder
Certificate of Analysis	Available
Chemical Name or Material	Acid Red 1
Absorbance	≥250 lambda 503 - 509 nm, 0.02 g/l water; >250 lambda 530 - 534 nm, 0.02 g/l water
CAS	3734-67-6
Infrared Spectrum	Conforms
MDL Number	00003954
Packaging	Glass bottle
Solubility Information	Soluble in water
Synonym	5-Acetamido-4-hydroxy-3-phenylazo-2,7-naphthalene-disulfonicacid, disodium salt; Amido Naphthol Red G; Azophloxine; C.I. 18050
RTECS Number	QJ6030000
Recommended Storage	Normal conditions
Shelf Life	5 years
Molecular Formula	C18 H13 N3 Na2 O8 S2
EINECS Number	223-098-9

753

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

754

Thermo Scientific Chemicals Tropaeolin O, pure

CAS: 547-57-9 Molecular Formula: C12H10N2NaO5S Molecular Weight (g/mol): 317.271 MDL Number: MFCD00007499 InChI Key: YOGUPPQYRWYKGT-IRIIKGHASA-N Synonym: Acid orange 6,C.I. 14270,4-(2, 4-Dihydroxyphenylazo)benzenesulfonic acid, sodium salt PubChem CID: 87071197 IUPAC Name: 4-[(2Z)-2-(2-hydroxy-4-oxocyclohexa-2,5-dien-1-ylidene)hydrazinyl]benzenesulfonic acid;sodium SMILES: C1=CC(=CC=C1NN=C2C=CC(=O)C=C2O)S(=O)(=O)O.[Na]

Pricing & Availability
Specifications

PubChem CID	87071197
CAS	547-57-9
Molecular Weight (g/mol)	317.271
MDL Number	MFCD00007499
SMILES	C1=CC(=CC=C1NN=C2C=CC(=O)C=C2O)S(=O)(=O)O.[Na]
Synonym	Acid orange 6,C.I. 14270,4-(2, 4-Dihydroxyphenylazo)benzenesulfonic acid, sodium salt
IUPAC Name	4-[(2Z)-2-(2-hydroxy-4-oxocyclohexa-2,5-dien-1-ylidene)hydrazinyl]benzenesulfonic acid;sodium
InChI Key	YOGUPPQYRWYKGT-IRIIKGHASA-N
Molecular Formula	C12H10N2NaO5S

755

Sudan orange G, pure

CAS: 2051-85-6 Molecular Formula: C12H10N2O2 Molecular Weight (g/mol): 214.22 MDL Number: MFCD00002275 InChI Key: PULNESMFDLBKAZ-SDNWHVSQSA-N Synonym: C.I. 11920,4-(Phenylazo)resorcinol,Solvent orange 1 PubChem CID: 5921655 IUPAC Name: (4Z)-3-hydroxy-4-(phenylhydrazinylidene)cyclohexa-2,5-dien-1-one SMILES: OC1=CC(=O)C=C\C1=N/NC1=CC=CC=C1

Pricing & Availability
Specifications

PubChem CID	5921655
CAS	2051-85-6
Molecular Weight (g/mol)	214.22
MDL Number	MFCD00002275
SMILES	OC1=CC(=O)C=C\C1=N/NC1=CC=CC=C1
Synonym	C.I. 11920,4-(Phenylazo)resorcinol,Solvent orange 1
IUPAC Name	(4Z)-3-hydroxy-4-(phenylhydrazinylidene)cyclohexa-2,5-dien-1-one
InChI Key	PULNESMFDLBKAZ-SDNWHVSQSA-N
Molecular Formula	C12H10N2O2

756

Thermo Scientific Chemicals Sudan Red 7B

CAS: 6368-72-5 Molecular Formula: C24H21N5 Molecular Weight (g/mol): 379.467 MDL Number: MFCD00003904 InChI Key: VKWNTWQXVLKCSG-UHFFFAOYSA-N Synonym: C.I. 26050,N-Ethyl-1-[4-(phenylazo)phenylazo]-2-naphthylamine,Fat Red 7B,Solvent Red 19 PubChem CID: 61396 IUPAC Name: N-ethyl-1-[(4-phenyldiazenylphenyl)diazenyl]naphthalen-2-amine SMILES: CCNC1=C(C2=CC=CC=C2C=C1)N=NC3=CC=C(C=C3)N=NC4=CC=CC=C4

Pricing & Availability
Specifications

PubChem CID	61396
CAS	6368-72-5
Molecular Weight (g/mol)	379.467
MDL Number	MFCD00003904
SMILES	CCNC1=C(C2=CC=CC=C2C=C1)N=NC3=CC=C(C=C3)N=NC4=CC=CC=C4
Synonym	C.I. 26050,N-Ethyl-1-[4-(phenylazo)phenylazo]-2-naphthylamine,Fat Red 7B,Solvent Red 19
IUPAC Name	N-ethyl-1-[(4-phenyldiazenylphenyl)diazenyl]naphthalen-2-amine
InChI Key	VKWNTWQXVLKCSG-UHFFFAOYSA-N
Molecular Formula	C24H21N5

757

Thermo Scientific Chemicals New Methylene Blue N, zinc chloride double salt, pure

Molecular Formula: ₀·5 ZnCl₂ MDL Number: MFCD00078135 Synonym: Basic Blue 24,C.I. 52030

Pricing & Availability
Specifications

MDL Number	MFCD00078135
Synonym	Basic Blue 24,C.I. 52030
Molecular Formula	₀·5 ZnCl₂

758

2',7'-Dichlorofluorescein 3',6'-diacetate, 97%

CAS: 2044-85-1 Molecular Formula: C24H14Cl2O7 Molecular Weight (g/mol): 485.27 MDL Number: MFCD00037501 InChI Key: VQVUBYASAICPFU-UHFFFAOYSA-N PubChem CID: 104913 IUPAC Name: (6'-acetyloxy-2',7'-dichloro-3-oxospiro[2-benzofuran-1,9'-xanthene]-3'-yl) acetate SMILES: CC(=O)OC1=CC2=C(C=C1Cl)C1(OC(=O)C3=CC=CC=C13)C1=CC(Cl)=C(OC(C)=O)C=C1O2

Pricing & Availability
Specifications

PubChem CID	104913
CAS	2044-85-1
Molecular Weight (g/mol)	485.27
MDL Number	MFCD00037501
SMILES	CC(=O)OC1=CC2=C(C=C1Cl)C1(OC(=O)C3=CC=CC=C13)C1=CC(Cl)=C(OC(C)=O)C=C1O2
IUPAC Name	(6'-acetyloxy-2',7'-dichloro-3-oxospiro[2-benzofuran-1,9'-xanthene]-3'-yl) acetate
InChI Key	VQVUBYASAICPFU-UHFFFAOYSA-N
Molecular Formula	C24H14Cl2O7

759

Thermo Scientific Chemicals Cresyl Violet acetate, pure, high purity biological stain

CAS: 10510-54-0 Molecular Formula: C18H15N3O3 Molecular Weight (g/mol): 321.34 MDL Number: MFCD00013151,MFCD00013151 InChI Key: XKOCOMKJPWEOHX-UHFFFAOYSA-M PubChem CID: 44134641 IUPAC Name: acetic acid;5-iminobenzo[a]phenoxazin-9-amine SMILES: CC([O-])=O.NC1=CC2=[O+]C3=C(N=C2C=C1)C1=CC=CC=C1C(N)=C3

Pricing & Availability
Specifications

PubChem CID	44134641
CAS	10510-54-0
Molecular Weight (g/mol)	321.34
MDL Number	MFCD00013151,MFCD00013151
SMILES	CC([O-])=O.NC1=CC2=[O+]C3=C(N=C2C=C1)C1=CC=CC=C1C(N)=C3
IUPAC Name	acetic acid;5-iminobenzo[a]phenoxazin-9-amine
InChI Key	XKOCOMKJPWEOHX-UHFFFAOYSA-M
Molecular Formula	C18H15N3O3

760

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

CAS: 548-24-3 Molecular Formula: C₂₀H₆Br₂N₂Na₂O₉ Molecular Weight (g/mol): 624.06 MDL Number: MFCD00005041 Synonym: 4',5'-Dibromo-2',7'-dinitrofluorescein, disodium salt,4', 5'-Dibromo-2', 7'-dinitrofluorescein,Eosin Bluish

Pricing & Availability
Specifications

CAS	548-24-3
Molecular Weight (g/mol)	624.06
MDL Number	MFCD00005041
Synonym	4',5'-Dibromo-2',7'-dinitrofluorescein, disodium salt,4', 5'-Dibromo-2', 7'-dinitrofluorescein,Eosin Bluish
Molecular Formula	C₂₀H₆Br₂N₂Na₂O₉

761

Thermo Scientific Chemicals Thionin acetate, pure, high purity biological stain

CAS: 78338-22-4 Molecular Formula: C14H13N3O2S Molecular Weight (g/mol): 287.337 MDL Number: MFCD00081194 InChI Key: JOIRQYHDJINFGA-UHFFFAOYSA-N Synonym: 3, 7-Diaminophenothiazin-5-ium acetate PubChem CID: 2724414 IUPAC Name: (7-aminophenothiazin-3-ylidene)azanium;acetate SMILES: CC(=O)[O-].C1=CC2=C(C=C1N)SC3=CC(=[NH2+])C=CC3=N2

Pricing & Availability
Specifications

PubChem CID	2724414
CAS	78338-22-4
Molecular Weight (g/mol)	287.337
MDL Number	MFCD00081194
SMILES	CC(=O)[O-].C1=CC2=C(C=C1N)SC3=CC(=[NH2+])C=CC3=N2
Synonym	3, 7-Diaminophenothiazin-5-ium acetate
IUPAC Name	(7-aminophenothiazin-3-ylidene)azanium;acetate
InChI Key	JOIRQYHDJINFGA-UHFFFAOYSA-N
Molecular Formula	C14H13N3O2S

762

Thermo Scientific Chemicals Pararosaniline chloride, pure, high purity biological stain

CAS: 569-61-9 Molecular Formula: C19H18ClN3 Molecular Weight (g/mol): 323.824 MDL Number: MFCD00001657 InChI Key: JUQPZRLQQYSMEQ-UHFFFAOYSA-N Synonym: Basic Red 9, monohydrochloride,Basic Fuchsin,C.I. 42500 PubChem CID: 11292 ChEBI: CHEBI:87663 IUPAC Name: 4-[(4-aminophenyl)-(4-iminocyclohexa-2,5-dien-1-ylidene)methyl]aniline;hydrochloride SMILES: C1=CC(=N)C=CC1=C(C2=CC=C(C=C2)N)C3=CC=C(C=C3)N.Cl

Pricing & Availability
Specifications

PubChem CID	11292
CAS	569-61-9
Molecular Weight (g/mol)	323.824
ChEBI	CHEBI:87663
MDL Number	MFCD00001657
SMILES	C1=CC(=N)C=CC1=C(C2=CC=C(C=C2)N)C3=CC=C(C=C3)N.Cl
Synonym	Basic Red 9, monohydrochloride,Basic Fuchsin,C.I. 42500
IUPAC Name	4-[(4-aminophenyl)-(4-iminocyclohexa-2,5-dien-1-ylidene)methyl]aniline;hydrochloride
InChI Key	JUQPZRLQQYSMEQ-UHFFFAOYSA-N
Molecular Formula	C19H18ClN3

763

Thermo Scientific Chemicals Bromophenol Red, pure

CAS: 2800-80-8 Molecular Formula: C19H12Br2O5S Molecular Weight (g/mol): 512.168 MDL Number: MFCD00023014 InChI Key: OYCLSQDXZMROJK-UHFFFAOYSA-N Synonym: 5', 5''-Dibromophenolsulfonphthalein PubChem CID: 76047 IUPAC Name: 2-bromo-4-[3-(3-bromo-4-hydroxyphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]phenol SMILES: C1=CC=C2C(=C1)C(OS2(=O)=O)(C3=CC(=C(C=C3)O)Br)C4=CC(=C(C=C4)O)Br

Pricing & Availability
Specifications

PubChem CID	76047
CAS	2800-80-8
Molecular Weight (g/mol)	512.168
MDL Number	MFCD00023014
SMILES	C1=CC=C2C(=C1)C(OS2(=O)=O)(C3=CC(=C(C=C3)O)Br)C4=CC(=C(C=C4)O)Br
Synonym	5', 5''-Dibromophenolsulfonphthalein
IUPAC Name	2-bromo-4-[3-(3-bromo-4-hydroxyphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]phenol
InChI Key	OYCLSQDXZMROJK-UHFFFAOYSA-N
Molecular Formula	C19H12Br2O5S

764

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

765

Thermo Scientific Chemicals Xylenol Orange, sodium salt, pure, water soluble

CAS: 3618-43-7 Molecular Formula: C₃₁H₂₈N₂Na₄O₁₃S

Pricing & Availability
Specifications

CAS	3618-43-7
Molecular Formula	C₃₁H₂₈N₂Na₄O₁₃S

Stains and Dyes

Filtered Search Results

Narrow Results