Staining Reagents

Stains, staining systems, and blocking agents in a variety of types, grades, molecular weights, purities, and pH ranges; used to elucidate important structures of microorganisms including bacteria, viruses, protozoa, etc.

Stains and Dyes (1,815)

Tissue Stain Blocking Reagents (3)

136 – 150 of 994 results

136

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 and 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

137

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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 and 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

138

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 and 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

139

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Thermo Scientific Chemicals Brilliant cresyl Blue, pure, high purity biological stain

CAS: 81029-05-2 Molecular Formula: ₀·5 ZnCl₄ MDL Number: MFCD00148902

Pricing and Availability
Specifications

CAS	81029-05-2
MDL Number	MFCD00148902
Molecular Formula	₀·5 ZnCl₄

140

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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 and 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

141

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

142

m-Cresol, 99%

CAS: 108-39-4 Molecular Formula: C7H8O Molecular Weight (g/mol): 108.14 MDL Number: MFCD00002302 InChI Key: RLSSMJSEOOYNOY-UHFFFAOYSA-N Synonym: 3-Methylphenol PubChem CID: 342 ChEBI: CHEBI:17231 IUPAC Name: 3-methylphenol

Pricing and Availability
Specifications

PubChem CID	342
CAS	108-39-4
Molecular Weight (g/mol)	108.14
ChEBI	CHEBI:17231
MDL Number	MFCD00002302
Synonym	3-Methylphenol
IUPAC Name	3-methylphenol
InChI Key	RLSSMJSEOOYNOY-UHFFFAOYSA-N
Molecular Formula	C7H8O

143

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+]

Pricing and 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+]
IUPAC Name	sodium;3,4-dihydroxy-9,10-dioxoanthracene-2-sulfonate
InChI Key	HFVAFDPGUJEFBQ-UHFFFAOYSA-M
Molecular Formula	C14H7NaO7S

144

Thermo Scientific Chemicals Rhodamine WT, 20% solution in water

CAS: 37299-86-8 | C29H29ClN2Na2O5 | 566.99 g/mol

Pricing and Availability
Specifications

PubChem CID	37718
CAS	7732-18-5
Molecular Weight (g/mol)	566.99
Packaging	Glass bottle
Solubility Information	Solubility in water: miscible.
Chemical Name or Material	Rhodamine WT
SMILES	CCN(CC)C1=CC2=C(C=C1)C(=C3C=CC(=[N+](CC)CC)C=C3O2)C4=C(C=C(C=C4)C(=O)[O-])C(=O)[O-].[Na+].[Na+].[Cl-]
IUPAC Name	disodium;4-[3-(diethylamino)-6-diethylazaniumylidenexanthen-9-yl]benzene-1,3-dicarboxylate;chloride
InChI Key	NRZDMKVYRRMFRR-UHFFFAOYSA-L
Molecular Formula	C29H29ClN2Na2O5
Density	1.1600g/mL
Formula Weight	566.99
Specific Gravity	1.16

145

Thermo Scientific Chemicals Oil Red O, Biological Stain

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 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 and 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
InChI Key	HJAYEODIXUYVIC-LTFAAIOASA-N
Molecular Formula	C26H24N4O

146

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Thermo Scientific Chemicals Leishman Stain

CAS: 12627-53-1 MDL Number: MFCD00131498

Pricing and Availability
Specifications

CAS	12627-53-1
MDL Number	MFCD00131498

147

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Thermo Scientific Chemicals Cresol Red, sodium salt, pure, water soluble, indicator

CAS: 62625-29-0 Molecular Formula: C₂₁H₁₇NaO₅S MDL Number: MFCD00001618

Pricing and Availability
Specifications

CAS	62625-29-0
MDL Number	MFCD00001618
Molecular Formula	C₂₁H₁₇NaO₅S

148

Thermo Scientific Chemicals Brilliant Blue G, ultrapure

CAS: 6104-58-1 Molecular Formula: C47H48N3NaO7S2 Molecular Weight (g/mol): 854.025 MDL Number: MFCD00078482 InChI Key: RWVGQQGBQSJDQV-UHFFFAOYSA-M Synonym: Coomassie Brilliant Blue G 250; C.I. 42655 PubChem CID: 6328534 IUPAC Name: sodium;3-[[4-[(Z)-[4-(4-ethoxyanilino)phenyl]-[4-[ethyl-[(3-sulfonatophenyl)methyl]azaniumylidene]-2-methylcyclohexa-2,5-dien-1-ylidene]methyl]-N-ethyl-3-methylanilino]methyl]benzenesulfonate SMILES: CCN(CC1=CC(=CC=C1)S(=O)(=O)[O-])C2=CC(=C(C=C2)C(=C3C=CC(=[N+](CC)CC4=CC(=CC=C4)S(=O)(=O)[O-])C=C3C)C5=CC=C(C=C5)NC6=CC=C(C=C6)OCC)C.[Na+]

Pricing and Availability
Specifications

PubChem CID	6328534
CAS	6104-58-1
Molecular Weight (g/mol)	854.025
MDL Number	MFCD00078482
SMILES	CCN(CC1=CC(=CC=C1)S(=O)(=O)[O-])C2=CC(=C(C=C2)C(=C3C=CC(=[N+](CC)CC4=CC(=CC=C4)S(=O)(=O)[O-])C=C3C)C5=CC=C(C=C5)NC6=CC=C(C=C6)OCC)C.[Na+]
Synonym	Coomassie Brilliant Blue G 250; C.I. 42655
IUPAC Name	sodium;3-[[4-[(Z)-[4-(4-ethoxyanilino)phenyl]-[4-[ethyl-[(3-sulfonatophenyl)methyl]azaniumylidene]-2-methylcyclohexa-2,5-dien-1-ylidene]methyl]-N-ethyl-3-methylanilino]methyl]benzenesulfonate
InChI Key	RWVGQQGBQSJDQV-UHFFFAOYSA-M
Molecular Formula	C47H48N3NaO7S2

149

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Methyl Viologen hydrate, 98%

CAS: 1910-42-5 Molecular Formula: C12H14Cl2N2 Molecular Weight (g/mol): 257.16 MDL Number: MFCD00150001 InChI Key: FIKAKWIAUPDISJ-UHFFFAOYSA-L Synonym: Paraquat, dichloride PubChem CID: 15938 ChEBI: CHEBI:28786 IUPAC Name: 1-methyl-4-(1-methylpyridin-1-ium-4-yl)pyridin-1-ium;dichloride SMILES: [Cl-].[Cl-].C[N+]1=CC=C(C=C1)C1=CC=[N+](C)C=C1

Pricing and Availability
Specifications

PubChem CID	15938
CAS	1910-42-5
Molecular Weight (g/mol)	257.16
ChEBI	CHEBI:28786
MDL Number	MFCD00150001
SMILES	[Cl-].[Cl-].C[N+]1=CC=C(C=C1)C1=CC=[N+](C)C=C1
Synonym	Paraquat, dichloride
IUPAC Name	1-methyl-4-(1-methylpyridin-1-ium-4-yl)pyridin-1-ium;dichloride
InChI Key	FIKAKWIAUPDISJ-UHFFFAOYSA-L
Molecular Formula	C12H14Cl2N2

150

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Thermo Scientific Chemicals Cresol Red

CAS: 1733-12-6 Molecular Formula: C21H18O5S Molecular Weight (g/mol): 382.43 MDL Number: MFCD00005878 InChI Key: OBRMNDMBJQTZHV-UHFFFAOYSA-N Synonym: o-Cresolsulfonephthalein PubChem CID: 73013 ChEBI: CHEBI:86218 IUPAC Name: 4-[3-(4-hydroxy-3-methylphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]-2-methylphenol SMILES: CC1=CC(=CC=C1O)C1(OS(=O)(=O)C2=CC=CC=C12)C1=CC=C(O)C(C)=C1

Pricing and Availability
Specifications

PubChem CID	73013
CAS	1733-12-6
Molecular Weight (g/mol)	382.43
ChEBI	CHEBI:86218
MDL Number	MFCD00005878
SMILES	CC1=CC(=CC=C1O)C1(OS(=O)(=O)C2=CC=CC=C12)C1=CC=C(O)C(C)=C1
Synonym	o-Cresolsulfonephthalein
IUPAC Name	4-[3-(4-hydroxy-3-methylphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]-2-methylphenol
InChI Key	OBRMNDMBJQTZHV-UHFFFAOYSA-N
Molecular Formula	C21H18O5S

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