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 (9,139)

Tissue Stain Blocking Reagents (82)

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1,051 – 1,065 of 7,060 results

1,051

Azure C

CAS: 531-57-7 Molecular Formula: C13H12ClN3S Molecular Weight (g/mol): 277.77 MDL Number: MFCD00067677 InChI Key: DDGMDTGNGDOUPX-UHFFFAOYSA-N Synonym: C.I. 52002; 3-Amino-7-(methylamino)phenothiazin-5-ium chloride PubChem CID: 68277 IUPAC Name: (7-aminophenothiazin-3-ylidene)-methylazanium;chloride SMILES: C[NH+]=C1C=CC2=NC3=C(C=C(C=C3)N)SC2=C1.[Cl-]

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Specifications

PubChem CID	68277
CAS	531-57-7
Molecular Weight (g/mol)	277.77
MDL Number	MFCD00067677
SMILES	C[NH+]=C1C=CC2=NC3=C(C=C(C=C3)N)SC2=C1.[Cl-]
Synonym	C.I. 52002; 3-Amino-7-(methylamino)phenothiazin-5-ium chloride
IUPAC Name	(7-aminophenothiazin-3-ylidene)-methylazanium;chloride
InChI Key	DDGMDTGNGDOUPX-UHFFFAOYSA-N
Molecular Formula	C13H12ClN3S

1,052

Thermo Scientific Chemicals Auramine O, pure, biological stain

CAS: 2465-27-2 Molecular Formula: C17H22ClN3 Molecular Weight (g/mol): 303.834 MDL Number: MFCD00012484 InChI Key: KSCQDDRPFHTIRL-UHFFFAOYSA-N Synonym: Basic Yellow 2,4, 4'-(Imidocarbonyl)bis(N, N-dimethylaniline) monohydrochloride,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

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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	Basic Yellow 2,4, 4'-(Imidocarbonyl)bis(N, N-dimethylaniline) monohydrochloride,C.I. 41000
IUPAC Name	4-[4-(dimethylamino)benzenecarboximidoyl]-N,N-dimethylaniline;hydrochloride
InChI Key	KSCQDDRPFHTIRL-UHFFFAOYSA-N
Molecular Formula	C17H22ClN3

1,053

Fluorescein, Alcohol Soluble, Spectrum™ Chemical

CAS: 2321-07-5

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Specifications

CAS	2321-07-5

1,054

Crocein Scarlet 3B, Spectrum™ Chemical

CAS: 5413-75-2

Pricing & Availability
Specifications

CAS	5413-75-2

1,055

Eriochrome(R) Blue Black R, Spectrum™ Chemical

CAS: 2538-85-4

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Specifications

CAS	2538-85-4

1,056

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

1,057

BioTracker 575 Red Fe2+ Dye, MilliporeSigma™

Live cell imaging dye for iron (Fe2+) that localizes in golgi organelles.

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1,058

Epredia™ Richard-Allan Scientific™ Alcian Blue pH 2.5 stain solution

Used to stain acid mucins and other carboxylated and sulfated acid mucosubstances blue on tissue sections.

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1,059

Malachite Green Oxalate Salt MP Biomedicals

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

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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

1,060

NBD chloride, 98%

CAS: 10199-89-0 Molecular Formula: C6H2ClN3O3 Molecular Weight (g/mol): 199.55 MDL Number: MFCD00005808 InChI Key: IGHBXJSNZCFXNK-UHFFFAOYSA-N Synonym: 4-Chloro-7-nitrobenzofurazan,4-Chloro-7-nitrobenzo-2-oxa-1, 3-diazole PubChem CID: 25043 ChEBI: CHEBI:78878 IUPAC Name: 4-chloro-7-nitro-2,1,3-benzoxadiazole SMILES: C1=C(C2=NON=C2C(=C1)Cl)[N+](=O)[O-]

Pricing & Availability
Specifications

PubChem CID	25043
CAS	10199-89-0
Molecular Weight (g/mol)	199.55
ChEBI	CHEBI:78878
MDL Number	MFCD00005808
SMILES	C1=C(C2=NON=C2C(=C1)Cl)[N+](=O)[O-]
Synonym	4-Chloro-7-nitrobenzofurazan,4-Chloro-7-nitrobenzo-2-oxa-1, 3-diazole
IUPAC Name	4-chloro-7-nitro-2,1,3-benzoxadiazole
InChI Key	IGHBXJSNZCFXNK-UHFFFAOYSA-N
Molecular Formula	C6H2ClN3O3

1,061

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 & 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

1,062

Thermo Scientific Chemicals Carbol Fuchsin, pure

CAS: 4197-24-4 Molecular Formula: C21H22ClN3 Molecular Weight (g/mol): 351.878 MDL Number: MFCD00143923 InChI Key: HZLHRDBTVSZCBS-GHTYLULLSA-N PubChem CID: 91997463 IUPAC Name: 4-[(Z)-(4-aminophenyl)-(4-imino-3-methylcyclohexa-2,5-dien-1-ylidene)methyl]-2-methylaniline;hydron;chloride SMILES: [H+].CC1=CC(=C(C2=CC=C(C=C2)N)C3=CC(=C(C=C3)N)C)C=CC1=N.[Cl-]

Pricing & Availability
Specifications

PubChem CID	91997463
CAS	4197-24-4
Molecular Weight (g/mol)	351.878
MDL Number	MFCD00143923
SMILES	[H+].CC1=CC(=C(C2=CC=C(C=C2)N)C3=CC(=C(C=C3)N)C)C=CC1=N.[Cl-]
IUPAC Name	4-[(Z)-(4-aminophenyl)-(4-imino-3-methylcyclohexa-2,5-dien-1-ylidene)methyl]-2-methylaniline;hydron;chloride
InChI Key	HZLHRDBTVSZCBS-GHTYLULLSA-N
Molecular Formula	C21H22ClN3

1,063

Thermo Scientific Chemicals Crystal Violet, pure, indicator

Crystal Violet, C25H30ClN3, CAS Number-548-62-9, 90-94-8, Basic Violet 3, C.I. 42555, Gentian Violet, 100g, 13, 756, CHEBI:41688, 407.99, Pure, Danger, GHS H Statement: Very toxic to aquatic life with long lasting effects. Harmful if swallowed. Causes serious eye damage. May cause cancer. | CAS: 548-62-9 | C25H30ClN3 | 407.986 g/mol

Pricing & Availability
Specifications

Molecular Weight (g/mol)	407.986
ChEBI	CHEBI:41688
Chemical Name or Material	Crystal Violet
Grade	Pure
SMILES	CN(C)C1=CC=C(C=C1)C(=C2C=CC(=[N+](C)C)C=C2)C3=CC=C(C=C3)N(C)C.[Cl-]
Merck Index	15, 4430
InChI Key	ZXJXZNDDNMQXFV-UHFFFAOYSA-M
PubChem CID	11057
Name Note	Indicator, Pure
CAS	90-94-8
Health Hazard 3	GHS P Statement: Wear protective gloves/protective clothing/eye protection/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Avoid release to the environment. Obtain special instructions before use. IF exposed or concerned: Get medical advice/attention. Do not eat, drink or smoke when using this product. WARNING: The information provided on this web site was developed in compliance with European Union (EU) regulations and is correct to the best of our knowledge, information and belief at the date of its publication. The information given is designed only as a guide for safe handling and use. It is not to be considered as either a warranty or quality specification.
MDL Number	MFCD00011750
Health Hazard 2	GHS H Statement: Very toxic to aquatic life with long lasting effects. Harmful if swallowed. Causes serious eye damage. May cause cancer.
Packaging	Glass bottle
Solubility Information	Solubility in water: 16g/L (25°C). Other solubilities: soluble in chloroform, 1 g/10 mL alcohol, 1 g/15 mL glycerin, practically insoluble in ether
Health Hazard 1	Danger
Synonym	Basic Violet 3,C.I. 42555,Gentian Violet
IUPAC Name	[4-[bis[4-(dimethylamino)phenyl]methylidene]cyclohexa-2,5-dien-1-ylidene]-dimethylazanium;chloride
Beilstein	13, 756
Molecular Formula	C25H30ClN3
Formula Weight	407.99
Melting Point	215.0°C

1,064

Sudan Orange G, Spectrum™ Chemical

CAS: 2051-85-6

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Specifications

CAS	2051-85-6

1,065

Ponceau S, MP Biomedicals

CAS: 6226-79-5 Molecular Formula: C22H12N4Na4O13S4 Molecular Weight (g/mol): 760.552 InChI Key: VSXKEUCERCWGKF-STNZDNLRSA-J Synonym: 3-Hydroxy-4-[2-sulfo-4-(4-sulfo- phenylazo)phenylazo]-2, 7- naphthalene-disulfonic acid tetrasodium salt PubChem CID: 11320219 IUPAC Name: tetrasodium;(4Z)-3-oxo-4-[[2-sulfonato-4-[(4-sulfonatophenyl)diazenyl]phenyl]hydrazinylidene]naphthalene-2,7-disulfonate SMILES: C1=CC(=CC=C1N=NC2=CC(=C(C=C2)NN=C3C4=C(C=C(C=C4)S(=O)(=O)[O-])C=C(C3=O)S(=O)(=O)[O-])S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+].[Na+].[Na+]

Pricing & Availability
Specifications

PubChem CID	11320219
CAS	6226-79-5
Molecular Weight (g/mol)	760.552
SMILES	C1=CC(=CC=C1N=NC2=CC(=C(C=C2)NN=C3C4=C(C=C(C=C4)S(=O)(=O)[O-])C=C(C3=O)S(=O)(=O)[O-])S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+].[Na+].[Na+]
Synonym	3-Hydroxy-4-[2-sulfo-4-(4-sulfo- phenylazo)phenylazo]-2, 7- naphthalene-disulfonic acid tetrasodium salt
IUPAC Name	tetrasodium;(4Z)-3-oxo-4-[[2-sulfonato-4-[(4-sulfonatophenyl)diazenyl]phenyl]hydrazinylidene]naphthalene-2,7-disulfonate
InChI Key	VSXKEUCERCWGKF-STNZDNLRSA-J
Molecular Formula	C22H12N4Na4O13S4

Staining Reagents

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Fluorescein, Alcohol Soluble, Spectrum™ Chemical Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Crocein Scarlet 3B, Spectrum™ Chemical Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Eriochrome(R) Blue Black R, Spectrum™ Chemical Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Sudan Orange G, Spectrum™ Chemical Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Fluorescein, Alcohol Soluble, Spectrum™ Chemical

Crocein Scarlet 3B, Spectrum™ Chemical

Eriochrome(R) Blue Black R, Spectrum™ Chemical

Sudan Orange G, Spectrum™ Chemical