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 (9,434)

Tissue Stain Blocking Reagents (82)

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6,931 – 6,945 of 7,365 results

6,931

Bromophenol Blue Sodium Salt, Fisher BioReagents

CAS: 34725-61-6 Molecular Formula: C19H9Br4NaO5S Molecular Weight (g/mol): 691.94 InChI Key: KGANHHDZDYZJEM-UHFFFAOYNA-M Synonym: 3,3',5,5'-Tetrabromophenolsulfonphthalein sodium salt PubChem CID: 3791690 IUPAC Name: sodium;2-[(3,5-dibromo-4-hydroxyphenyl)-(3,5-dibromo-4-oxocyclohexa-2,5-dien-1-ylidene)methyl]benzenesulfonate SMILES: C1=CC=C(C(=C1)C(=C2C=C(C(=O)C(=C2)Br)Br)C3=CC(=C(C(=C3)Br)O)Br)S(=O)(=O)[O-].[Na+]

Pricing & Availability
Specifications

PubChem CID	3791690
CAS	34725-61-6
Molecular Weight (g/mol)	691.94
SMILES	C1=CC=C(C(=C1)C(=C2C=C(C(=O)C(=C2)Br)Br)C3=CC(=C(C(=C3)Br)O)Br)S(=O)(=O)[O-].[Na+]
Synonym	3,3',5,5'-Tetrabromophenolsulfonphthalein sodium salt
IUPAC Name	sodium;2-[(3,5-dibromo-4-hydroxyphenyl)-(3,5-dibromo-4-oxocyclohexa-2,5-dien-1-ylidene)methyl]benzenesulfonate
InChI Key	KGANHHDZDYZJEM-UHFFFAOYNA-M
Molecular Formula	C19H9Br4NaO5S

6,932

Fisher Chemical™ Harris Modified Method Hematoxylin Stains

For histological and cytological use as a nuclear stain

Pricing & Availability
Specifications

Product Type	Hematoxylin
For Use With (Application)	PAP Staining

6,933

Bromophenol Blue (Free Acid), Fisher BioReagents

CAS: 115-39-9 | C19H10Br4O5S | 669.96 g/mol

Pricing & Availability

6,934

Malachite Green Oxalate (Certified Biological Stain), Fisher Chemical

CAS: 2437-29-8 Molecular Formula: C52H54N4O12 Molecular Weight (g/mol): 927.02 MDL Number: MFCD00011766,MFCD00151209 InChI Key: CNYGFPPAGUCRIC-UHFFFAOYSA-L Synonym: Basic Green 4 PubChem CID: 2724411 IUPAC Name: bis(bis[4-(dimethylamino)phenyl](phenyl)methylium) oxalic acid dihydrogen oxalate SMILES: OC(=O)C(O)=O.OC(=O)C([O-])=O.OC(=O)C([O-])=O.CN(C)C1=CC=C(C=C1)[C+](C1=CC=CC=C1)C1=CC=C(C=C1)N(C)C.CN(C)C1=CC=C(C=C1)[C+](C1=CC=CC=C1)C1=CC=C(C=C1)N(C)C

Pricing & Availability
Specifications

PubChem CID	2724411
CAS	2437-29-8
Molecular Weight (g/mol)	927.02
MDL Number	MFCD00011766,MFCD00151209
SMILES	OC(=O)C(O)=O.OC(=O)C([O-])=O.OC(=O)C([O-])=O.CN(C)C1=CC=C(C=C1)[C+](C1=CC=CC=C1)C1=CC=C(C=C1)N(C)C.CN(C)C1=CC=C(C=C1)[C+](C1=CC=CC=C1)C1=CC=C(C=C1)N(C)C
Synonym	Basic Green 4
IUPAC Name	bis(bis[4-(dimethylamino)phenyl](phenyl)methylium) oxalic acid dihydrogen oxalate
InChI Key	CNYGFPPAGUCRIC-UHFFFAOYSA-L
Molecular Formula	C52H54N4O12

6,935

Pararosaniline Hydrochloride (Certified Biological Stain), Fisher Chemical

CAS: 569-61-9 Molecular Formula: C19H18ClN3 Molecular Weight (g/mol): 323.824 MDL Number: MFCD00001657 InChI Key: JUQPZRLQQYSMEQ-UHFFFAOYSA-N Synonym: p-Fuchsin 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	p-Fuchsin
IUPAC Name	4-[(4-aminophenyl)-(4-iminocyclohexa-2,5-dien-1-ylidene)methyl]aniline;hydrochloride
InChI Key	JUQPZRLQQYSMEQ-UHFFFAOYSA-N
Molecular Formula	C19H18ClN3

6,936

Coomassie Brilliant Blue G-250, Fisher BioReagents

CAS: 6104-58-1 Molecular Formula: C47H48N3NaO7S2 Molecular Weight (g/mol): 854.025 InChI Key: RWVGQQGBQSJDQV-UHFFFAOYSA-M Synonym: Coomassie™ Blue G-250 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 & Availability
Specifications

PubChem CID	6328534
CAS	6104-58-1
Molecular Weight (g/mol)	854.025
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™ Blue G-250
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

6,937

Phenol Red, Free Acid (Certified ACS), Fisher Chemical

CAS: 143-74-8 Molecular Formula: C19H14O5S Molecular Weight (g/mol): 354.38 MDL Number: MFCD00003552 InChI Key: BELBBZDIHDAJOR-UHFFFAOYSA-N Synonym: 4,4'-(3H-2,1-Benzoxathiol-3-yildene)bisphenol S,S-Dioxide,4, 4'-(3H-2, 1-Benzoxathiol-3-yildene)bisphenol S PubChem CID: 4766 ChEBI: CHEBI:31991 IUPAC Name: 3,3-bis(4-hydroxyphenyl)-3H-2,1λ⁶-benzoxathiole-1,1-dione 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	4,4'-(3H-2,1-Benzoxathiol-3-yildene)bisphenol S,S-Dioxide,4, 4'-(3H-2, 1-Benzoxathiol-3-yildene)bisphenol S
IUPAC Name	3,3-bis(4-hydroxyphenyl)-3H-2,1λ⁶-benzoxathiole-1,1-dione
InChI Key	BELBBZDIHDAJOR-UHFFFAOYSA-N
Molecular Formula	C19H14O5S

6,938

Carmine (Certified Biological Stain), Fisher Chemical

CAS: 1390-65-4 Molecular Formula: C22H20O13 Molecular Weight (g/mol): 492.39 MDL Number: MFCD00167028 InChI Key: DGQLVPJVXFOQEV-UHFFFAOYNA-N Synonym: Alum Lake,Carminic Acid PubChem CID: 25113282 IUPAC Name: 3,5,6,8-tetrahydroxy-1-methyl-9,10-dioxo-7-[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]-9,10-dihydroanthracene-2-carboxylic acid SMILES: CC1=C(C(O)=O)C(O)=CC2=C1C(=O)C1=C(O)C(C3OC(CO)C(O)C(O)C3O)=C(O)C(O)=C1C2=O

Pricing & Availability
Specifications

PubChem CID	25113282
CAS	1390-65-4
Molecular Weight (g/mol)	492.39
MDL Number	MFCD00167028
SMILES	CC1=C(C(O)=O)C(O)=CC2=C1C(=O)C1=C(O)C(C3OC(CO)C(O)C(O)C3O)=C(O)C(O)=C1C2=O
Synonym	Alum Lake,Carminic Acid
IUPAC Name	3,5,6,8-tetrahydroxy-1-methyl-9,10-dioxo-7-[3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]-9,10-dihydroanthracene-2-carboxylic acid
InChI Key	DGQLVPJVXFOQEV-UHFFFAOYNA-N
Molecular Formula	C22H20O13

6,939

Fisher Scientific Xylene Cyanole FF (Bluish-Green Powder/Electrophoresis), Fisher BioReagents

CAS: 2650-17-1 Molecular Formula: C25H27N2NaO6S2 Molecular Weight (g/mol): 538.61 MDL Number: MFCD00019481 InChI Key: VVLFAAMTGMGYBS-KRQUPCAFSA-M IUPAC Name: sodium 4-{[4-(ethylamino)-3-methylphenyl][(1Z,4Z)-4-(ethylimino)-3-methylcyclohexa-2,5-dien-1-ylidene]methyl}-3-sulfobenzene-1-sulfonate SMILES: [Na+].CCNC1=C(C)C=C(C=C1)C(=C1/C=C\C(=N\CC)\C(C)=C1)\C1=C(C=C(C=C1)S([O-])(=O)=O)S(O)(=O)=O

Pricing & Availability
Specifications

CAS	2650-17-1
Molecular Weight (g/mol)	538.61
MDL Number	MFCD00019481
SMILES	[Na+].CCNC1=C(C)C=C(C=C1)C(=C1/C=C\C(=N\CC)\C(C)=C1)\C1=C(C=C(C=C1)S([O-])(=O)=O)S(O)(=O)=O
IUPAC Name	sodium 4-{[4-(ethylamino)-3-methylphenyl][(1Z,4Z)-4-(ethylimino)-3-methylcyclohexa-2,5-dien-1-ylidene]methyl}-3-sulfobenzene-1-sulfonate
InChI Key	VVLFAAMTGMGYBS-KRQUPCAFSA-M
Molecular Formula	C25H27N2NaO6S2

6,940

BD Fixable Viability Stain 700

For discrimination of viable from non-viable mammalian cells in multicolor flow cytometric applications. Reacts with and covalently binds to cell-surface and intracellular amines.

Pricing & Availability

6,941

Thermo Scientific Chemicals Brilliant Green

CAS: 633-03-4 Molecular Formula: C27H34N2O4S Molecular Weight (g/mol): 482.639 MDL Number: MFCD00011880 InChI Key: NNBFNNNWANBMTI-UHFFFAOYSA-M Synonym: Basic Green 1; C.I. 42040 PubChem CID: 12449 IUPAC Name: [4-[[4-(diethylamino)phenyl]-phenylmethylidene]cyclohexa-2,5-dien-1-ylidene]-diethylazanium;hydrogen sulfate SMILES: CCN(CC)C1=CC=C(C=C1)C(=C2C=CC(=[N+](CC)CC)C=C2)C3=CC=CC=C3.OS(=O)(=O)[O-]

Pricing & Availability
Specifications

PubChem CID	12449
CAS	633-03-4
Molecular Weight (g/mol)	482.639
MDL Number	MFCD00011880
SMILES	CCN(CC)C1=CC=C(C=C1)C(=C2C=CC(=[N+](CC)CC)C=C2)C3=CC=CC=C3.OS(=O)(=O)[O-]
Synonym	Basic Green 1; C.I. 42040
IUPAC Name	[4-[[4-(diethylamino)phenyl]-phenylmethylidene]cyclohexa-2,5-dien-1-ylidene]-diethylazanium;hydrogen sulfate
InChI Key	NNBFNNNWANBMTI-UHFFFAOYSA-M
Molecular Formula	C27H34N2O4S