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.

376 – 390 of 6,701 results

376

LabChem, Inc. Eriochrome™ Blue-Black R, Dry Form in NaCl, for Calcium, Certified, LabChem™

CAS: 7647-14-5 Molecular Formula: ClNa Molecular Weight (g/mol): 58.44 MDL Number: MFCD00003477 InChI Key: FAPWRFPIFSIZLT-UHFFFAOYSA-M PubChem CID: 5234 ChEBI: CHEBI:26710 IUPAC Name: sodium chloride SMILES: [Na+].[Cl-]

Pricing & Availability
Specifications

PubChem CID	5234
CAS	7647-14-5
Molecular Weight (g/mol)	58.44
ChEBI	CHEBI:26710
MDL Number	MFCD00003477
SMILES	[Na+].[Cl-]
IUPAC Name	sodium chloride
InChI Key	FAPWRFPIFSIZLT-UHFFFAOYSA-M
Molecular Formula	ClNa

377

Calcein, MP Biomedicals™

CAS: 1461-15-0 Molecular Formula: C30H26N2O13 Molecular Weight (g/mol): 622.539 InChI Key: DEGAKNSWVGKMLS-UHFFFAOYSA-N Synonym: Fluorexon,Calcein W PubChem CID: 65079 ChEBI: CHEBI:51903 IUPAC Name: 2-[[7'-[[bis(carboxymethyl)amino]methyl]-3',6'-dihydroxy-3-oxospiro[2-benzofuran-1,9'-xanthene]-2'-yl]methyl-(carboxymethyl)amino]acetic acid SMILES: C1=CC=C2C(=C1)C(=O)OC23C4=CC(=C(C=C4OC5=CC(=C(C=C35)CN(CC(=O)O)CC(=O)O)O)O)CN(CC(=O)O)CC(=O)O

Pricing & Availability
Specifications

PubChem CID	65079
CAS	1461-15-0
Molecular Weight (g/mol)	622.539
ChEBI	CHEBI:51903
SMILES	C1=CC=C2C(=C1)C(=O)OC23C4=CC(=C(C=C4OC5=CC(=C(C=C35)CN(CC(=O)O)CC(=O)O)O)O)CN(CC(=O)O)CC(=O)O
Synonym	Fluorexon,Calcein W
IUPAC Name	2-[[7'-[[bis(carboxymethyl)amino]methyl]-3',6'-dihydroxy-3-oxospiro[2-benzofuran-1,9'-xanthene]-2'-yl]methyl-(carboxymethyl)amino]acetic acid
InChI Key	DEGAKNSWVGKMLS-UHFFFAOYSA-N
Molecular Formula	C30H26N2O13

378

Thermo Scientific Chemicals Phenol Red, pure, indicator

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

379

LabChem, Inc. Methyl Purple Indicator, pH 4.8 to 5.4 Purple to Green, Certified, LabChem™

Pricing & Availability
Specifications

Linear Formula	C₁₅H₁₄N₃O₂Na
Color	Black/Green
Physical Form	Liquid
Chemical Name or Material	Methyl Purple Indicator
Grade	Certified
Identification	Passes Test
Name Note	pH 4.8 to 5.4 Purple to Green
CAS	845-10-3
Health Hazard 3	GHS P Statement Keep away from heat, sparks, open flames, hot surfaces. No smoking. Keep container tightly closed. Ground/bond container and receiving equipment. Use explosion-proof electrical, ventilating, lighting equipment. Use only non-sparking tools. Take precautionary measures against static discharge. Wear protective gloves, eye protection. Wash exposed skin thoroughly after handling. If on skin (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. If eye irritation persists: Get medical advice/attention. Store in a cool, well-ventilated place. Dispose of contents/container to comply with local, state and federal regulations.
Decomposition Information	Sulfur compounds; Carbon monoxide; Carbon dioxide; Nitrogen oxides
Health Hazard 2	GHS H Statement Flammable liquid and vapor. Causes serious eye irritation.
Flash Point	33°C
Packaging	Poly Bottle
Solubility Information	Soluble in water
Health Hazard 1	Warning
Recommended Storage	Room Temperature
Formula Weight	291.28
CAS Max %	0.04

380

Thermo Scientific Chemicals Ninhydrin, spectrophotometric grade

CAS: 485-47-2 Molecular Formula: C9H6O4 Molecular Weight (g/mol): 178.143 MDL Number: MFCD00003791 InChI Key: FEMOMIGRRWSMCU-UHFFFAOYSA-N Synonym: 1, 2, 3-Indantrione,1, 2, 3-Triketohydrindene,2, 2-Dihydroxy-1H-indene-1, 3(2H)-dione,1H-Indene-1, 2, 3-trione PubChem CID: 10236 ChEBI: CHEBI:86374 IUPAC Name: 2,2-dihydroxyindene-1,3-dione SMILES: C1=CC=C2C(=C1)C(=O)C(C2=O)(O)O

Pricing & Availability
Specifications

PubChem CID	10236
CAS	485-47-2
Molecular Weight (g/mol)	178.143
ChEBI	CHEBI:86374
MDL Number	MFCD00003791
SMILES	C1=CC=C2C(=C1)C(=O)C(C2=O)(O)O
Synonym	1, 2, 3-Indantrione,1, 2, 3-Triketohydrindene,2, 2-Dihydroxy-1H-indene-1, 3(2H)-dione,1H-Indene-1, 2, 3-trione
IUPAC Name	2,2-dihydroxyindene-1,3-dione
InChI Key	FEMOMIGRRWSMCU-UHFFFAOYSA-N
Molecular Formula	C9H6O4

381

Thermo Scientific Chemicals Quinoline Yellow, 95%, pure, water soluble

CAS: 8004-92-0 Molecular Formula: C18H9NNa2O8S2 Molecular Weight (g/mol): 477.37 MDL Number: MFCD00080727 InChI Key: FZUOVNMHEAPVBW-UHFFFAOYSA-L PubChem CID: 129893443 SMILES: [Na+].[Na+].[O-]S(=O)(=O)C1=CC(=C2N=C(C=CC2=C1)C1C(=O)C2=CC=CC=C2C1=O)S([O-])(=O)=O

Pricing & Availability
Specifications

PubChem CID	129893443
CAS	8004-92-0
Molecular Weight (g/mol)	477.37
MDL Number	MFCD00080727
SMILES	[Na+].[Na+].[O-]S(=O)(=O)C1=CC(=C2N=C(C=CC2=C1)C1C(=O)C2=CC=CC=C2C1=O)S([O-])(=O)=O
InChI Key	FZUOVNMHEAPVBW-UHFFFAOYSA-L
Molecular Formula	C18H9NNa2O8S2

382

Nile Red Fluorescent stain for intracellular lipid droplets. MP Biomedicals

CAS: 7385-67-3 Molecular Formula: C20H18N2O2 Molecular Weight (g/mol): 318.38 MDL Number: MFCD00011639 InChI Key: VOFUROIFQGPCGE-UHFFFAOYSA-N Synonym: Nile Blue A Oxazone,9-diethylamino-5H-benzo-alpha-phenoxazine-5-one PubChem CID: 65182 ChEBI: CHEBI:52169 IUPAC Name: 9-(diethylamino)benzo[a]phenoxazin-5-one SMILES: CCN(CC)C1=CC=C2N=C3C(OC2=C1)=CC(=O)C1=CC=CC=C31

Pricing & Availability
Specifications

PubChem CID	65182
CAS	7385-67-3
Molecular Weight (g/mol)	318.38
ChEBI	CHEBI:52169
MDL Number	MFCD00011639
SMILES	CCN(CC)C1=CC=C2N=C3C(OC2=C1)=CC(=O)C1=CC=CC=C31
Synonym	Nile Blue A Oxazone,9-diethylamino-5H-benzo-alpha-phenoxazine-5-one
IUPAC Name	9-(diethylamino)benzo[a]phenoxazin-5-one
InChI Key	VOFUROIFQGPCGE-UHFFFAOYSA-N
Molecular Formula	C20H18N2O2

383

Thermo Scientific Chemicals Alizarin, 97%, pure

CAS: 72-48-0 Molecular Formula: C14H8O4 Molecular Weight (g/mol): 240.214 MDL Number: MFCD00001201 InChI Key: RGCKGOZRHPZPFP-UHFFFAOYSA-N Synonym: 1, 2-Dihydroxyanthraquinone,Mordant Red 11 PubChem CID: 6293 ChEBI: CHEBI:16866 IUPAC Name: 1,2-dihydroxyanthracene-9,10-dione SMILES: C1=CC=C2C(=C1)C(=O)C3=C(C2=O)C(=C(C=C3)O)O

Pricing & Availability
Specifications

PubChem CID	6293
CAS	72-48-0
Molecular Weight (g/mol)	240.214
ChEBI	CHEBI:16866
MDL Number	MFCD00001201
SMILES	C1=CC=C2C(=C1)C(=O)C3=C(C2=O)C(=C(C=C3)O)O
Synonym	1, 2-Dihydroxyanthraquinone,Mordant Red 11
IUPAC Name	1,2-dihydroxyanthracene-9,10-dione
InChI Key	RGCKGOZRHPZPFP-UHFFFAOYSA-N
Molecular Formula	C14H8O4

384

StatLab™ MasterTech Verhoeff's Elastic Stain Kit

Elastic Stain Kit stains for elastic fibers in just 20 minutes.

Pricing & Availability
Specifications

Type	Stain Kit

385

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

386

Safranine O, MP Biomedicals™

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,Gossypimine PubChem CID: 2723800 IUPAC Name: 2,7-diamino-1,8-dimethyl-5-phenyl-5λ⁵-phenazin-5-ylium 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,Gossypimine
IUPAC Name	2,7-diamino-1,8-dimethyl-5-phenyl-5λ⁵-phenazin-5-ylium chloride
InChI Key	QRYAEWIQIBAZOJ-UHFFFAOYSA-N
Molecular Formula	C20H19ClN4

387

Thermo Scientific Chemicals Indigo, synthetic

CAS: 482-89-3 Molecular Formula: C16H10N2O2 Molecular Weight (g/mol): 262.268 MDL Number: MFCD00005722 InChI Key: COHYTHOBJLSHDF-BUHFOSPRSA-N Synonym: C.I. 73000,Vat Blue 1 PubChem CID: 5318432 IUPAC Name: (2E)-2-(3-oxo-1H-indol-2-ylidene)-1H-indol-3-one SMILES: C1=CC=C2C(=C1)C(=O)C(=C3C(=O)C4=CC=CC=C4N3)N2

Pricing & Availability
Specifications

PubChem CID	5318432
CAS	482-89-3
Molecular Weight (g/mol)	262.268
MDL Number	MFCD00005722
SMILES	C1=CC=C2C(=C1)C(=O)C(=C3C(=O)C4=CC=CC=C4N3)N2
Synonym	C.I. 73000,Vat Blue 1
IUPAC Name	(2E)-2-(3-oxo-1H-indol-2-ylidene)-1H-indol-3-one
InChI Key	COHYTHOBJLSHDF-BUHFOSPRSA-N
Molecular Formula	C16H10N2O2

388

Thermo Scientific Chemicals Bromocresol Green sodium salt

CAS: 62625-32-5 Molecular Formula: C₂₁H₁₃Br₄NaO₅S Molecular Weight (g/mol): 719.7538 MDL Number: MFCD00148898 Synonym: Bromocresol Green, water soluble

Pricing & Availability
Specifications

CAS	62625-32-5
Molecular Weight (g/mol)	719.7538
MDL Number	MFCD00148898
Synonym	Bromocresol Green, water soluble
Molecular Formula	C₂₁H₁₃Br₄NaO₅S

389

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

390

Starch Indicator, 1% (w/v), with Chloroform preservative, Ricca Chemical

Pricing & Availability
Specifications

Name Note	With Chloroform Preservative
Percent Purity	1% W/V
CAS	67-66-3
Color	Colorless
Physical Form	Liquid
pH	5 to 7
CAS Min %	0.1
Chemical Name or Material	Starch Indicator
Grade	Indicator
Concentration	1% (w/v)
Solvent or Matrix	Aqueous Solution
CAS Max %	0.4

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Stains and Dyes

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StatLab™ MasterTech Verhoeff's Elastic Stain Kit Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Allura Red AC, TCI America™ Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Starch Indicator, 1% (w/v), with Chloroform preservative, Ricca Chemical Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

StatLab™ MasterTech Verhoeff's Elastic Stain Kit

Allura Red AC, TCI America™

Starch Indicator, 1% (w/v), with Chloroform preservative, Ricca Chemical