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 (9,241)

Tissue Stain Blocking Reagents (82)

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481 – 495 of 7,189 results

481

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Cresyl Violet acetate, pure, certified

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 SMILES: CC([O-])=O.NC1=CC2=[O+]C3=C(N=C2C=C1)C1=CC=CC=C1C(N)=C3

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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
InChI Key	XKOCOMKJPWEOHX-UHFFFAOYSA-M
Molecular Formula	C18H15N3O3

482

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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-]

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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

483

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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

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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

484

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Xylenol Orange, Water Soluble, ACS, Spectrum™ Chemical

CAS: 3618-43-7

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Specifications

CAS	3618-43-7

485

Thermo Scientific Chemicals Crystal Violet lactone

CAS: 1552-42-7 Molecular Formula: C26H29N3O2 Molecular Weight (g/mol): 415.54 MDL Number: MFCD00070611 InChI Key: IPAJDLMMTVZVPP-UHFFFAOYSA-N PubChem CID: 73773 IUPAC Name: 6-(dimethylamino)-3,3-bis[4-(dimethylamino)phenyl]-2-benzofuran-1-one SMILES: CN(C)C1=CC=C(C=C1)C1(OC(=O)C2=CC(=CC=C12)N(C)C)C1=CC=C(C=C1)N(C)C

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Specifications

PubChem CID	73773
CAS	1552-42-7
Molecular Weight (g/mol)	415.54
MDL Number	MFCD00070611
SMILES	CN(C)C1=CC=C(C=C1)C1(OC(=O)C2=CC(=CC=C12)N(C)C)C1=CC=C(C=C1)N(C)C
IUPAC Name	6-(dimethylamino)-3,3-bis[4-(dimethylamino)phenyl]-2-benzofuran-1-one
InChI Key	IPAJDLMMTVZVPP-UHFFFAOYSA-N
Molecular Formula	C26H29N3O2

486

Thymol, Sigma-Aldrich

CAS: 89-83-8

Pricing & Availability
Specifications

CAS	89-83-8

487

Bromocresol purple, MP Biomedicals™

CAS: 115-40-2 Molecular Formula: C21H16Br2O5S Molecular Weight (g/mol): 540.22 MDL Number: MFCD00011681 InChI Key: ABIUHPWEYMSGSR-UHFFFAOYSA-N Synonym: 5', 5”-dibromo-o-cresolsulfonephthalein PubChem CID: 8273 ChEBI: CHEBI:86154 IUPAC Name: 3,3-bis(3-bromo-4-hydroxy-5-methylphenyl)-3H-2,1λ⁶-benzoxathiole-1,1-dione SMILES: CC1=CC(=CC(Br)=C1O)C1(OS(=O)(=O)C2=CC=CC=C12)C1=CC(C)=C(O)C(Br)=C1

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Specifications

PubChem CID	8273
CAS	115-40-2
Molecular Weight (g/mol)	540.22
ChEBI	CHEBI:86154
MDL Number	MFCD00011681
SMILES	CC1=CC(=CC(Br)=C1O)C1(OS(=O)(=O)C2=CC=CC=C12)C1=CC(C)=C(O)C(Br)=C1
Synonym	5', 5”-dibromo-o-cresolsulfonephthalein
IUPAC Name	3,3-bis(3-bromo-4-hydroxy-5-methylphenyl)-3H-2,1λ⁶-benzoxathiole-1,1-dione
InChI Key	ABIUHPWEYMSGSR-UHFFFAOYSA-N
Molecular Formula	C21H16Br2O5S

488

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Alizarin Complexone, may cont. up to 10% water

CAS: 3952-78-1 Molecular Formula: C19H15NO8 Molecular Weight (g/mol): 385.328 MDL Number: MFCD00001202 InChI Key: PWIGYBONXWGOQE-UHFFFAOYSA-N Synonym: Alizarin Fluorine Blue; Alizarin-3-methyliminodiacetic acid PubChem CID: 65132 ChEBI: CHEBI:53088 IUPAC Name: 2-[carboxymethyl-[(3,4-dihydroxy-9,10-dioxoanthracen-2-yl)methyl]amino]acetic acid SMILES: C1=CC=C2C(=C1)C(=O)C3=CC(=C(C(=C3C2=O)O)O)CN(CC(=O)O)CC(=O)O

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Specifications

PubChem CID	65132
CAS	3952-78-1
Molecular Weight (g/mol)	385.328
ChEBI	CHEBI:53088
MDL Number	MFCD00001202
SMILES	C1=CC=C2C(=C1)C(=O)C3=CC(=C(C(=C3C2=O)O)O)CN(CC(=O)O)CC(=O)O
Synonym	Alizarin Fluorine Blue; Alizarin-3-methyliminodiacetic acid
IUPAC Name	2-[carboxymethyl-[(3,4-dihydroxy-9,10-dioxoanthracen-2-yl)methyl]amino]acetic acid
InChI Key	PWIGYBONXWGOQE-UHFFFAOYSA-N
Molecular Formula	C19H15NO8

489

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Methylthymol Blue Sodium Salt, ACS, Spectrum™ Chemical

CAS: 1945-77-3

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Specifications

CAS	1945-77-3

490

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Eriochrome Black T, Reagent, ACS, Spectrum™ Chemical

CAS: 1787-61-7 Molecular Formula: C20H12N3NaO7S Molecular Weight (g/mol): 461.38 MDL Number: MFCD00003935 InChI Key: JHUJLRKQZAPSDP-GXTSIBQPSA-M IUPAC Name: sodium (4Z)-4-[2-(1-hydroxynaphthalen-2-yl)hydrazin-1-ylidene]-7-nitro-3-oxo-3,4-dihydronaphthalene-1-sulfonate SMILES: [Na+].OC1=C2C=CC=CC2=CC=C1N\N=C1/C(=O)C=C(C2=CC(=CC=C12)[N+]([O-])=O)S([O-])(=O)=O

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Specifications

CAS	1787-61-7
Molecular Weight (g/mol)	461.38
MDL Number	MFCD00003935
SMILES	[Na+].OC1=C2C=CC=CC2=CC=C1N\N=C1/C(=O)C=C(C2=CC(=CC=C12)[N+]([O-])=O)S([O-])(=O)=O
IUPAC Name	sodium (4Z)-4-[2-(1-hydroxynaphthalen-2-yl)hydrazin-1-ylidene]-7-nitro-3-oxo-3,4-dihydronaphthalene-1-sulfonate
InChI Key	JHUJLRKQZAPSDP-GXTSIBQPSA-M
Molecular Formula	C20H12N3NaO7S

491

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Nigrosin B, Alcohol Soluble, Spectrum™ Chemical

CAS: 11099-03-9

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Specifications

CAS	11099-03-9

492

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Methyl Orange, Reagent, ACS, 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

493

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Brilliant Blue R soln., Ready-to-Use, Thermo Scientific Chemicals

CAS: 6104-59-2 Molecular Formula: C45H44N3NaO7S2 Molecular Weight (g/mol): 825.97 MDL Number: MFCD00041762 InChI Key: HAEGGLCXLFWTBE-UHFFFAOYSA-M Synonym: Coomassie Brilliant Blue R; C.I. 42660 PubChem CID: 61365 IUPAC Name: sodium;3-[[4-[[4-(4-ethoxyanilino)phenyl]-[4-[ethyl-[(3-sulfonatophenyl)methyl]azaniumylidene]cyclohexa-2,5-dien-1-ylidene]methyl]-N-ethylanilino]methyl]benzenesulfonate SMILES: [Na+].CCOC1=CC=C(NC2=CC=C(C=C2)[C+](C2=CC=C(C=C2)N(CC)CC2=CC=CC(=C2)S([O-])(=O)=O)C2=CC=C(C=C2)N(CC)CC2=CC=CC(=C2)S([O-])(=O)=O)C=C1

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Specifications

PubChem CID	61365
CAS	6104-59-2
Molecular Weight (g/mol)	825.97
MDL Number	MFCD00041762
SMILES	[Na+].CCOC1=CC=C(NC2=CC=C(C=C2)[C+](C2=CC=C(C=C2)N(CC)CC2=CC=CC(=C2)S([O-])(=O)=O)C2=CC=C(C=C2)N(CC)CC2=CC=CC(=C2)S([O-])(=O)=O)C=C1
Synonym	Coomassie Brilliant Blue R; C.I. 42660
IUPAC Name	sodium;3-[[4-[[4-(4-ethoxyanilino)phenyl]-[4-[ethyl-[(3-sulfonatophenyl)methyl]azaniumylidene]cyclohexa-2,5-dien-1-ylidene]methyl]-N-ethylanilino]methyl]benzenesulfonate
InChI Key	HAEGGLCXLFWTBE-UHFFFAOYSA-M
Molecular Formula	C45H44N3NaO7S2

494

Erythrosin B, spirit soluble

CAS: 15905-32-5 Molecular Formula: C20H8I4O5 Molecular Weight (g/mol): 835.90 MDL Number: MFCD00005044 InChI Key: OALHHIHQOFIMEF-UHFFFAOYSA-N Synonym: C.I. 45430:2; Solvent Red 140 PubChem CID: 3259 SMILES: OC1=C(I)C2=C(C=C1I)C1(OC(=O)C3=C1C=CC=C3)C1=CC(I)=C(O)C(I)=C1O2

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Specifications

PubChem CID	3259
CAS	15905-32-5
Molecular Weight (g/mol)	835.90
MDL Number	MFCD00005044
SMILES	OC1=C(I)C2=C(C=C1I)C1(OC(=O)C3=C1C=CC=C3)C1=CC(I)=C(O)C(I)=C1O2
Synonym	C.I. 45430:2; Solvent Red 140
InChI Key	OALHHIHQOFIMEF-UHFFFAOYSA-N
Molecular Formula	C20H8I4O5

495

Fluoresceinamine, isomer I, 96%

CAS: 3326-34-9 Molecular Formula: C20H13NO5 Molecular Weight (g/mol): 347.33 MDL Number: MFCD00005052 InChI Key: GZAJOEGTZDUSKS-UHFFFAOYSA-N Synonym: 5-Aminofluorescein PubChem CID: 76845 IUPAC Name: 6-amino-3',6'-dihydroxyspiro[2-benzofuran-3,9'-xanthene]-1-one SMILES: NC1=CC=C2C(=C1)C(=O)OC21C2=CC=C(O)C=C2OC2=CC(O)=CC=C12

Pricing & Availability
Specifications

PubChem CID	76845
CAS	3326-34-9
Molecular Weight (g/mol)	347.33
MDL Number	MFCD00005052
SMILES	NC1=CC=C2C(=C1)C(=O)OC21C2=CC=C(O)C=C2OC2=CC(O)=CC=C12
Synonym	5-Aminofluorescein
IUPAC Name	6-amino-3',6'-dihydroxyspiro[2-benzofuran-3,9'-xanthene]-1-one
InChI Key	GZAJOEGTZDUSKS-UHFFFAOYSA-N
Molecular Formula	C20H13NO5

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