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

1,111 – 1,125 of 7,126 results

1,111

Phenolphthalein, ACS Grade, Sigma-Aldrich

CAS: 77-09-8 Molecular Weight (g/mol): 318.32 g/mol

Pricing & Availability
Specifications

CAS	77-09-8
Molecular Weight (g/mol)	318.32 g/mol

1,112

CAS	2610-10-8
Molecular Weight (g/mol)	1373.07 g/mol
Color	Dark Brown

1,113

Epredia™ Richard-Allan Scientific™ Cyto-Stain™ G

Produces results similar to those achieved with conventional Papanicolaou stains

Pricing & Availability

1,114

Promotions Available

Phenolphthalein TS, U.S.P. Test Solution, Spectrum™ Chemical

CAS: 77-09-8 Molecular Formula: C20H14O4 Molecular Weight (g/mol): 318.33 MDL Number: MFCD00005913 InChI Key: KJFMBFZCATUALV-UHFFFAOYSA-N IUPAC Name: 3,3-bis(4-hydroxyphenyl)-1,3-dihydro-2-benzofuran-1-one SMILES: OC1=CC=C(C=C1)C1(OC(=O)C2=CC=CC=C12)C1=CC=C(O)C=C1

Pricing & Availability
Specifications

CAS	77-09-8
Molecular Weight (g/mol)	318.33
MDL Number	MFCD00005913
SMILES	OC1=CC=C(C=C1)C1(OC(=O)C2=CC=CC=C12)C1=CC=C(O)C=C1
IUPAC Name	3,3-bis(4-hydroxyphenyl)-1,3-dihydro-2-benzofuran-1-one
InChI Key	KJFMBFZCATUALV-UHFFFAOYSA-N
Molecular Formula	C20H14O4

1,115

Promotions Available

Bromocresol Purple, 0.04% (w/v) Indicator Solution, Spectrum™ Chemical

Pricing & Availability
Specifications

CAS	115-40-2
Color	Dark Purple
Packaging	Poly Bottle
Chemical Name or Material	Bromocresol Purple
Grade	Chemical Solution
Visual Transition Interval	pH 5.2 (yellow)
Concentration	0.04%

1,116

Thermo Scientific™ Remel™ BactiDrop™ Lugol's Iodine

BactiDrop™ Lugol's Iodine is used to detect helminth ova and larvae in wet mount stain procedure and differentiate parasitic cysts from host white blood cells.

Pricing & Availability

1,117

Promotions Available

Meldola's Blue, Spectrum™ Chemical

CAS: 7057-57-0 Molecular Formula: C18H15Cl3N2OZn Molecular Weight (g/mol): 447.06 InChI Key: YTEJSAFVYHDCSN-UHFFFAOYSA-K IUPAC Name: zinc(2+) 8-(dimethylamino)-10λ⁴-oxa-5-azatetraphen-10-ylium trichloride SMILES: [Cl-].[Cl-].[Cl-].[Zn++].CN(C)C1=CC2=[O+]C3=C(N=C2C=C1)C1=CC=CC=C1C=C3

Pricing & Availability
Specifications

CAS	7057-57-0
Molecular Weight (g/mol)	447.06
SMILES	[Cl-].[Cl-].[Cl-].[Zn++].CN(C)C1=CC2=[O+]C3=C(N=C2C=C1)C1=CC=CC=C1C=C3
IUPAC Name	zinc(2+) 8-(dimethylamino)-10λ⁴-oxa-5-azatetraphen-10-ylium trichloride
InChI Key	YTEJSAFVYHDCSN-UHFFFAOYSA-K
Molecular Formula	C18H15Cl3N2OZn

1,118

Promotions Available

Methyl Orange, 0.1% (w/v) Aqueous Indicator Solution, (U.S.P. Test Solution), Spectrum™ Chemical

CAS: 547-58-0 Molecular Formula: C14H14N3O3S Molecular Weight (g/mol): 304.34 InChI Key: IETWCRRCPURZOC-UHFFFAOYSA-M IUPAC Name: 4-{2-[4-(dimethylamino)phenyl]diazen-1-yl}benzene-1-sulfonate SMILES: CN(C)C1=CC=C(C=C1)N=NC1=CC=C(C=C1)S([O-])(=O)=O

Pricing & Availability
Specifications

CAS	547-58-0
Molecular Weight (g/mol)	304.34
SMILES	CN(C)C1=CC=C(C=C1)N=NC1=CC=C(C=C1)S([O-])(=O)=O
IUPAC Name	4-{2-[4-(dimethylamino)phenyl]diazen-1-yl}benzene-1-sulfonate
InChI Key	IETWCRRCPURZOC-UHFFFAOYSA-M
Molecular Formula	C14H14N3O3S

1,119

MilliporeSigma™ Bromophenol Blue, Sodium Salt, Molecular biology grade, OmniPur™, Calbiochem™,

CAS: 34725-61-6 Molecular Formula: C₁₉H₉Br₄O₅Sna Synonym: Tetrabromophenol Sulfonphthalein, Sodium Salt

Pricing & Availability
Specifications

CAS	34725-61-6
Synonym	Tetrabromophenol Sulfonphthalein, Sodium Salt
Molecular Formula	C₁₉H₉Br₄O₅Sna

1,120

Promotions Available

Thermo Scientific Chemicals Alizarin Red S, pure, certified

CAS: 130-22-3 Molecular Formula: C14H7NaO7S Molecular Weight (g/mol): 342.253 MDL Number: MFCD00013049 InChI Key: HFVAFDPGUJEFBQ-UHFFFAOYSA-M Synonym: 9,10-Dihydro-3,4-dihydroxy-9,10-dioxo-2-anthracenesulfonic acid, sodium salt,9, 10-Dihydro-3, 4-dihydroxy-9,Mordant Red 3,Sodium alizarinesulfonate 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+]

Pricing & Availability
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+]
Synonym	9,10-Dihydro-3,4-dihydroxy-9,10-dioxo-2-anthracenesulfonic acid, sodium salt,9, 10-Dihydro-3, 4-dihydroxy-9,Mordant Red 3,Sodium alizarinesulfonate
IUPAC Name	sodium;3,4-dihydroxy-9,10-dioxoanthracene-2-sulfonate
InChI Key	HFVAFDPGUJEFBQ-UHFFFAOYSA-M
Molecular Formula	C14H7NaO7S

1,121

Promotions Available

Thermo Scientific Chemicals Auramine O, 80% dye content

CAS: 2465-27-2 Molecular Formula: C17H22ClN3 Molecular Weight (g/mol): 303.834 MDL Number: MFCD00012484 InChI Key: KSCQDDRPFHTIRL-UHFFFAOYSA-N Synonym: C.I. 41000 PubChem CID: 17170 ChEBI: CHEBI:51876 IUPAC Name: 4-[4-(dimethylamino)benzenecarboximidoyl]-N,N-dimethylaniline;hydrochloride SMILES: CN(C)C1=CC=C(C=C1)C(=N)C2=CC=C(C=C2)N(C)C.Cl

Pricing & Availability
Specifications

PubChem CID	17170
CAS	2465-27-2
Molecular Weight (g/mol)	303.834
ChEBI	CHEBI:51876
MDL Number	MFCD00012484
SMILES	CN(C)C1=CC=C(C=C1)C(=N)C2=CC=C(C=C2)N(C)C.Cl
Synonym	C.I. 41000
IUPAC Name	4-[4-(dimethylamino)benzenecarboximidoyl]-N,N-dimethylaniline;hydrochloride
InChI Key	KSCQDDRPFHTIRL-UHFFFAOYSA-N
Molecular Formula	C17H22ClN3

1,122

Promotions Available

Thermo Scientific Chemicals Acridine Orange, pure, ca. 55% dye content

CAS: 10127-02-3 Molecular Formula: C17H20Cl3N3Zn Molecular Weight (g/mol): 438.10 MDL Number: MFCD00081043,MFCD00081043,MFCD00081043 InChI Key: VADJQOXWNSPOQA-UHFFFAOYSA-L Synonym: 3,6-Bis(dimethylamino)acridine zinc chloride double salt,Basic Orange 14 PubChem CID: 71774334 IUPAC Name: zinc;hydron;3-N,3-N,6-N,6-N-tetramethylacridine-3,6-diamine;trichloride SMILES: [H+].[Cl-].[Cl-].[Cl-].[Zn++].CN(C)C1=CC2=NC3=CC(=CC=C3C=C2C=C1)N(C)C

Pricing & Availability
Specifications

PubChem CID	71774334
CAS	10127-02-3
Molecular Weight (g/mol)	438.10
MDL Number	MFCD00081043,MFCD00081043,MFCD00081043
SMILES	[H+].[Cl-].[Cl-].[Cl-].[Zn++].CN(C)C1=CC2=NC3=CC(=CC=C3C=C2C=C1)N(C)C
Synonym	3,6-Bis(dimethylamino)acridine zinc chloride double salt,Basic Orange 14
IUPAC Name	zinc;hydron;3-N,3-N,6-N,6-N-tetramethylacridine-3,6-diamine;trichloride
InChI Key	VADJQOXWNSPOQA-UHFFFAOYSA-L
Molecular Formula	C17H20Cl3N3Zn

1,123

R&D Systems™ Mouse VisUCyte HRP Polymer-DAB Cell & Tissue Staining Kit

Cell & Tissue Staining Kit

Pricing & Availability

1,124

Sudan III, MP Biomedicals™

CAS: 85-86-9 Molecular Formula: C22H16N4O Molecular Weight (g/mol): 352.397 InChI Key: HTPQPMPFXUWUOT-UHFFFAOYSA-N Synonym: 1-[4-(phenylazo)phenylazo]-2-naphthol,Solvent Red 23 PubChem CID: 6789251 IUPAC Name: 1-[(4-phenyldiazenylphenyl)hydrazinylidene]naphthalen-2-one SMILES: C1=CC=C(C=C1)N=NC2=CC=C(C=C2)NN=C3C(=O)C=CC4=CC=CC=C43

Pricing & Availability
Specifications

PubChem CID	6789251
CAS	85-86-9
Molecular Weight (g/mol)	352.397
SMILES	C1=CC=C(C=C1)N=NC2=CC=C(C=C2)NN=C3C(=O)C=CC4=CC=CC=C43
Synonym	1-[4-(phenylazo)phenylazo]-2-naphthol,Solvent Red 23
IUPAC Name	1-[(4-phenyldiazenylphenyl)hydrazinylidene]naphthalen-2-one
InChI Key	HTPQPMPFXUWUOT-UHFFFAOYSA-N
Molecular Formula	C22H16N4O

1,125

Bismarck Brown Y MP Biomedicals

CAS: 10114-58-6 Molecular Formula: C18H20Cl2N8 Molecular Weight (g/mol): 419.314 InChI Key: MCZVRBLCRZWFJH-UHFFFAOYSA-N Synonym: 4,4-[1,3-PhenyleneBis(Azo)Bis]-1,3-Benzediamine Dihydrochloride,Basic Brown 1 PubChem CID: 82360 ChEBI: CHEBI:53615 IUPAC Name: 4-[[3-[(2,4-diaminophenyl)diazenyl]phenyl]diazenyl]benzene-1,3-diamine;dihydrochloride SMILES: C1=CC(=CC(=C1)N=NC2=C(C=C(C=C2)N)N)N=NC3=C(C=C(C=C3)N)N.Cl.Cl

Pricing & Availability
Specifications

PubChem CID	82360
CAS	10114-58-6
Molecular Weight (g/mol)	419.314
ChEBI	CHEBI:53615
SMILES	C1=CC(=CC(=C1)N=NC2=C(C=C(C=C2)N)N)N=NC3=C(C=C(C=C3)N)N.Cl.Cl
Synonym	4,4-[1,3-PhenyleneBis(Azo)Bis]-1,3-Benzediamine Dihydrochloride,Basic Brown 1
IUPAC Name	4-[[3-[(2,4-diaminophenyl)diazenyl]phenyl]diazenyl]benzene-1,3-diamine;dihydrochloride
InChI Key	MCZVRBLCRZWFJH-UHFFFAOYSA-N
Molecular Formula	C18H20Cl2N8

Stains and Dyes

Filtered Search Results

Narrow Results

Phenolphthalein TS, U.S.P. Test Solution, Spectrum™ Chemical Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Bromocresol Purple, 0.04% (w/v) Indicator Solution, Spectrum™ Chemical Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Meldola's Blue, Spectrum™ Chemical Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Methyl Orange, 0.1% (w/v) Aqueous Indicator Solution, (U.S.P. Test Solution), Spectrum™ Chemical Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

R&D Systems™ Mouse VisUCyte HRP Polymer-DAB Cell & Tissue Staining Kit Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Phenolphthalein TS, U.S.P. Test Solution, Spectrum™ Chemical

Bromocresol Purple, 0.04% (w/v) Indicator Solution, Spectrum™ Chemical

Meldola's Blue, Spectrum™ Chemical

Methyl Orange, 0.1% (w/v) Aqueous Indicator Solution, (U.S.P. Test Solution), Spectrum™ Chemical

R&D Systems™ Mouse VisUCyte HRP Polymer-DAB Cell & Tissue Staining Kit