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 (1,915)

Tissue Stain Blocking Reagents (4)

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1 – 15 of 1,033 results

Thermo Scientific Chemicals Methylene Blue, 1% w/v aq. soln.

CAS: 122965-43-9 | C₁₆H₁₈ClN₃S

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Specifications

Concentration or Composition (by Analyte or Components)	3, 7-Bis(dimethylamino)phenothiazin-5-ium chloride hydrate: 1.0%; Water: 99%
CAS	7732-18-5
MDL Number	MFCD00012111
Physical Form	Liquid
Solubility Information	Miscible with ethanol,chloroform,glacial acetic acid and glycerol. Slightly miscible with pyridine. Immiscible with ethyl ether,xylene,oleic acid,ethanol and acetone.
Chemical Name or Material	Methylene Blue
TSCA	Yes
Recommended Storage	Ambient temperatures
Molecular Formula	C₁₆H₁₈ClN₃S
Formula Weight	319.86
Vapor Pressure	23 hPa (17mm Hg) at 20°C
Assay Percent Range	1% w/v aqueous solution

Thermo Scientific Chemicals Methylene Blue hydrate, 96+%, high purity biological stain

CAS: 122965-43-9 Molecular Formula: C16H18ClN3S Molecular Weight (g/mol): 319.85 MDL Number: MFCD00150006 InChI Key: CXKWCBBOMKCUKX-UHFFFAOYSA-M Synonym: Basic Blue 9 hydrate,C.I. 52015 hydrate PubChem CID: 16211647 IUPAC Name: [7-(dimethylamino)phenothiazin-3-ylidene]-dimethylazanium;chloride;hydrate SMILES: [Cl-].CN(C)C1=CC=C2N=C3C=CC(C=C3SC2=C1)=[N+](C)C

Pricing and Availability
Specifications

PubChem CID	16211647
CAS	122965-43-9
Molecular Weight (g/mol)	319.85
MDL Number	MFCD00150006
SMILES	[Cl-].CN(C)C1=CC=C2N=C3C=CC(C=C3SC2=C1)=[N+](C)C
Synonym	Basic Blue 9 hydrate,C.I. 52015 hydrate
IUPAC Name	[7-(dimethylamino)phenothiazin-3-ylidene]-dimethylazanium;chloride;hydrate
InChI Key	CXKWCBBOMKCUKX-UHFFFAOYSA-M
Molecular Formula	C16H18ClN3S

Thermo Scientific Chemicals Bromothymol Blue

CAS: 76-59-5 Molecular Formula: C27H28Br2O5S Molecular Weight (g/mol): 624.384 MDL Number: MFCD00005872 InChI Key: NUHCTOLBWMJMLX-UHFFFAOYSA-N Synonym: Bromthymol Blue PubChem CID: 6450 ChEBI: CHEBI:86155 IUPAC Name: 2-bromo-4-[3-(3-bromo-4-hydroxy-2-methyl-5-propan-2-ylphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]-3-methyl-6-propan-2-ylphenol SMILES: CC1=C(C(=C(C=C1C2(C3=CC=CC=C3S(=O)(=O)O2)C4=CC(=C(C(=C4C)Br)O)C(C)C)C(C)C)O)Br

Pricing and Availability
Specifications

PubChem CID	6450
CAS	76-59-5
Molecular Weight (g/mol)	624.384
ChEBI	CHEBI:86155
MDL Number	MFCD00005872
SMILES	CC1=C(C(=C(C=C1C2(C3=CC=CC=C3S(=O)(=O)O2)C4=CC(=C(C(=C4C)Br)O)C(C)C)C(C)C)O)Br
Synonym	Bromthymol Blue
IUPAC Name	2-bromo-4-[3-(3-bromo-4-hydroxy-2-methyl-5-propan-2-ylphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]-3-methyl-6-propan-2-ylphenol
InChI Key	NUHCTOLBWMJMLX-UHFFFAOYSA-N
Molecular Formula	C27H28Br2O5S

Thermo Scientific Chemicals Methylene Blue, pure, certified, residual water

CAS: 7220-79-3 Molecular Formula: C16H24ClN3O3S Molecular Weight (g/mol): 373.90 MDL Number: MFCD00150008 InChI Key: XQAXGZLFSSPBMK-UHFFFAOYSA-M Synonym: Basic Blue 9 PubChem CID: 6099 ChEBI: CHEBI:6872 IUPAC Name: [7-(dimethylamino)phenothiazin-3-ylidene]-dimethylazanium;chloride SMILES: O.O.O.[Cl-].CN(C)C1=CC2=[S+]C3=CC(=CC=C3N=C2C=C1)N(C)C

Pricing and Availability
Specifications

PubChem CID	6099
CAS	7220-79-3
Molecular Weight (g/mol)	373.90
ChEBI	CHEBI:6872
MDL Number	MFCD00150008
SMILES	O.O.O.[Cl-].CN(C)C1=CC2=[S+]C3=CC(=CC=C3N=C2C=C1)N(C)C
Synonym	Basic Blue 9
IUPAC Name	[7-(dimethylamino)phenothiazin-3-ylidene]-dimethylazanium;chloride
InChI Key	XQAXGZLFSSPBMK-UHFFFAOYSA-M
Molecular Formula	C16H24ClN3O3S

Erythrosin B

CAS: 16423-68-0 MDL Number: MFCD00144257 PubChem CID: 131676154

Pricing and Availability
Specifications

PubChem CID	131676154
CAS	16423-68-0
MDL Number	MFCD00144257

Thermo Scientific Chemicals Sudan IV

CAS: 85-83-6 Molecular Formula: C24H20N4O Molecular Weight (g/mol): 380.45 MDL Number: MFCD00003893 InChI Key: KMDLOETUWUPGMB-BXCCFQQFSA-N Synonym: C.I. 26105; Scarlet Red PubChem CID: 6797604 IUPAC Name: (1Z)-1-(2-{2-methyl-4-[2-(2-methylphenyl)diazen-1-yl]phenyl}hydrazin-1-ylidene)-1,2-dihydronaphthalen-2-one SMILES: CC1=CC(=CC=C1N\N=C1/C(=O)C=CC2=CC=CC=C12)N=NC1=CC=CC=C1C

Pricing and Availability
Specifications

PubChem CID	6797604
CAS	85-83-6
Molecular Weight (g/mol)	380.45
MDL Number	MFCD00003893
SMILES	CC1=CC(=CC=C1N\N=C1/C(=O)C=CC2=CC=CC=C12)N=NC1=CC=CC=C1C
Synonym	C.I. 26105; Scarlet Red
IUPAC Name	(1Z)-1-(2-{2-methyl-4-[2-(2-methylphenyl)diazen-1-yl]phenyl}hydrazin-1-ylidene)-1,2-dihydronaphthalen-2-one
InChI Key	KMDLOETUWUPGMB-BXCCFQQFSA-N
Molecular Formula	C24H20N4O

Thermo Scientific Chemicals Neutral Red, ACS

CAS: 553-24-2 Molecular Formula: C15H17ClN4 Molecular Weight (g/mol): 288.779 MDL Number: MFCD00012651 InChI Key: PGSADBUBUOPOJS-UHFFFAOYSA-N Synonym: Basic Red 5; C.I. 50040 PubChem CID: 11105 ChEBI: CHEBI:86370 IUPAC Name: 8-N,8-N,3-trimethylphenazine-2,8-diamine;hydrochloride SMILES: CC1=CC2=NC3=C(C=C(C=C3)N(C)C)N=C2C=C1N.Cl

Pricing and Availability
Specifications

PubChem CID	11105
CAS	553-24-2
Molecular Weight (g/mol)	288.779
ChEBI	CHEBI:86370
MDL Number	MFCD00012651
SMILES	CC1=CC2=NC3=C(C=C(C=C3)N(C)C)N=C2C=C1N.Cl
Synonym	Basic Red 5; C.I. 50040
IUPAC Name	8-N,8-N,3-trimethylphenazine-2,8-diamine;hydrochloride
InChI Key	PGSADBUBUOPOJS-UHFFFAOYSA-N
Molecular Formula	C15H17ClN4

Thermo Scientific Chemicals Bromocresol Green

CAS: 76-60-8 Molecular Formula: C21H14Br4O5S Molecular Weight (g/mol): 698.014 MDL Number: MFCD00005874 InChI Key: FRPHFZCDPYBUAU-UHFFFAOYSA-N Synonym: Bromcresol Green PubChem CID: 6451 IUPAC Name: 2,6-dibromo-4-[3-(3,5-dibromo-4-hydroxy-2-methylphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]-3-methylphenol SMILES: CC1=C(C(=C(C=C1C2(C3=CC=CC=C3S(=O)(=O)O2)C4=CC(=C(C(=C4C)Br)O)Br)Br)O)Br

Pricing and Availability
Specifications

PubChem CID	6451
CAS	76-60-8
Molecular Weight (g/mol)	698.014
MDL Number	MFCD00005874
SMILES	CC1=C(C(=C(C=C1C2(C3=CC=CC=C3S(=O)(=O)O2)C4=CC(=C(C(=C4C)Br)O)Br)Br)O)Br
Synonym	Bromcresol Green
IUPAC Name	2,6-dibromo-4-[3-(3,5-dibromo-4-hydroxy-2-methylphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]-3-methylphenol
InChI Key	FRPHFZCDPYBUAU-UHFFFAOYSA-N
Molecular Formula	C21H14Br4O5S

Thermo Scientific Chemicals Bromocresol Purple, pure, indicator grade

CAS: 115-40-2 Molecular Formula: C21H16Br2O5S Molecular Weight (g/mol): 540.22 MDL Number: MFCD00011681 InChI Key: ABIUHPWEYMSGSR-UHFFFAOYSA-N Synonym: Bromcresol Purple,BCP,5', 5''-Dibromo-o-cresolsulfonephthalein PubChem CID: 8273 ChEBI: CHEBI:86154 SMILES: CC1=CC(=CC(Br)=C1O)C1(OS(=O)(=O)C2=CC=CC=C12)C1=CC(C)=C(O)C(Br)=C1

Pricing and Availability
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	Bromcresol Purple,BCP,5', 5''-Dibromo-o-cresolsulfonephthalein
InChI Key	ABIUHPWEYMSGSR-UHFFFAOYSA-N
Molecular Formula	C21H16Br2O5S

Thermo Scientific Chemicals m-Cresol Purple, pure, indicator grade

CAS: 2303-01-7 Molecular Formula: C21H18O5S Molecular Weight (g/mol): 382.43 MDL Number: MFCD00005871 InChI Key: OLQIKGSZDTXODA-UHFFFAOYSA-N PubChem CID: 73030 IUPAC Name: 4-[3-(4-hydroxy-2-methylphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]-3-methylphenol SMILES: CC1=C(C=CC(=C1)O)C2(C3=CC=CC=C3S(=O)(=O)O2)C4=C(C=C(C=C4)O)C

Pricing and Availability
Specifications

PubChem CID	73030
CAS	2303-01-7
Molecular Weight (g/mol)	382.43
MDL Number	MFCD00005871
SMILES	CC1=C(C=CC(=C1)O)C2(C3=CC=CC=C3S(=O)(=O)O2)C4=C(C=C(C=C4)O)C
IUPAC Name	4-[3-(4-hydroxy-2-methylphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]-3-methylphenol
InChI Key	OLQIKGSZDTXODA-UHFFFAOYSA-N
Molecular Formula	C21H18O5S

Thermo Scientific Chemicals Bromocresol Green, ACS

CAS: 76-60-8 Molecular Formula: C21H14Br4O5S Molecular Weight (g/mol): 698.014 MDL Number: MFCD00005874 InChI Key: FRPHFZCDPYBUAU-UHFFFAOYSA-N PubChem CID: 6451 IUPAC Name: 2,6-dibromo-4-[3-(3,5-dibromo-4-hydroxy-2-methylphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]-3-methylphenol SMILES: CC1=C(C(=C(C=C1C2(C3=CC=CC=C3S(=O)(=O)O2)C4=CC(=C(C(=C4C)Br)O)Br)Br)O)Br

Pricing and Availability
Specifications

PubChem CID	6451
CAS	76-60-8
Molecular Weight (g/mol)	698.014
MDL Number	MFCD00005874
SMILES	CC1=C(C(=C(C=C1C2(C3=CC=CC=C3S(=O)(=O)O2)C4=CC(=C(C(=C4C)Br)O)Br)Br)O)Br
IUPAC Name	2,6-dibromo-4-[3-(3,5-dibromo-4-hydroxy-2-methylphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]-3-methylphenol
InChI Key	FRPHFZCDPYBUAU-UHFFFAOYSA-N
Molecular Formula	C21H14Br4O5S

Thermo Scientific Chemicals Sudan III

CAS: 85-86-9 Molecular Formula: C22H16N4O Molecular Weight (g/mol): 352.397 MDL Number: MFCD00003905 InChI Key: HTPQPMPFXUWUOT-UHFFFAOYSA-N Synonym: C.I. 26100; Solvent Red 23 PubChem CID: 6789251 IUPAC Name: 1-[(4-phenyldiazenylphenyl)hydrazinylidene]naphthalen-2-one SMILES: C1=CC=C(C=C1)N=NC2=CC=C(C=C2)NN=C3C(=O)C=CC4=CC=CC=C43

Pricing and Availability
Specifications

PubChem CID	6789251
CAS	85-86-9
Molecular Weight (g/mol)	352.397
MDL Number	MFCD00003905
SMILES	C1=CC=C(C=C1)N=NC2=CC=C(C=C2)NN=C3C(=O)C=CC4=CC=CC=C43
Synonym	C.I. 26100; Solvent Red 23
IUPAC Name	1-[(4-phenyldiazenylphenyl)hydrazinylidene]naphthalen-2-one
InChI Key	HTPQPMPFXUWUOT-UHFFFAOYSA-N
Molecular Formula	C22H16N4O

Thermo Scientific Chemicals Eosin Y, pure, certified

Pricing and Availability

Thermo Scientific Chemicals Oil Red O

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 IUPAC Name: (1Z)-1-[[4-[(2,5-dimethylphenyl)diazenyl]-2,5-dimethylphenyl]hydrazinylidene]naphthalen-2-one 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
IUPAC Name	(1Z)-1-[[4-[(2,5-dimethylphenyl)diazenyl]-2,5-dimethylphenyl]hydrazinylidene]naphthalen-2-one
InChI Key	HJAYEODIXUYVIC-LTFAAIOASA-N
Molecular Formula	C26H24N4O

Thermo Scientific Chemicals Bromophenol Blue, ACS

CAS: 115-39-9 Molecular Formula: C19H10Br4O5S Molecular Weight (g/mol): 669.96 MDL Number: MFCD00005875 InChI Key: UDSAIICHUKSCKT-UHFFFAOYSA-N PubChem CID: 8272 ChEBI: CHEBI:59424 IUPAC Name: 2,6-dibromo-4-[3-(3,5-dibromo-4-hydroxyphenyl)-1,1-dioxo-2,lambda {6}-benzoxathiol-3-yl]phenol SMILES: C1=CC=C2C(=C1)C(OS2(=O)=O)(C3=CC(=C(C(=C3)Br)O)Br)C4=CC(=C(C(=C4)Br)O)Br

Pricing and Availability
Specifications

PubChem CID	8272
CAS	115-39-9
Molecular Weight (g/mol)	669.96
ChEBI	CHEBI:59424
MDL Number	MFCD00005875
SMILES	C1=CC=C2C(=C1)C(OS2(=O)=O)(C3=CC(=C(C(=C3)Br)O)Br)C4=CC(=C(C(=C4)Br)O)Br
IUPAC Name	2,6-dibromo-4-[3-(3,5-dibromo-4-hydroxyphenyl)-1,1-dioxo-2,lambda {6}-benzoxathiol-3-yl]phenol
InChI Key	UDSAIICHUKSCKT-UHFFFAOYSA-N
Molecular Formula	C19H10Br4O5S

Staining Reagents

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