Stains and Dyes

A variety of solutions used to selectively bind to and enhance the visibility of biological structures using color and/or fluorescence; used for histology, protein staining, electrophoresis, bacterial classification, blotting, etc.

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916 – 930 of 7,126 results

916

CAS	143-74-8
Molecular Weight (g/mol)	354.38 g/mol
Color	Red to Rust

917

Thermo Scientific Chemicals Methyl Red hydrochloride, ACS

CAS: 63451-28-5 Molecular Formula: C15H16ClN3O2 Molecular Weight (g/mol): 305.762 MDL Number: MFCD00012614 InChI Key: ICTWKXAVJAHRMK-UHFFFAOYSA-N Synonym: 2-[4-(Dimethylamino)phenyl]azobenzoic acid PubChem CID: 113227 IUPAC Name: 2-[[4-(dimethylamino)phenyl]diazenyl]benzoic acid;hydrochloride SMILES: CN(C)C1=CC=C(C=C1)N=NC2=CC=CC=C2C(=O)O.Cl

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Specifications

PubChem CID	113227
CAS	63451-28-5
Molecular Weight (g/mol)	305.762
MDL Number	MFCD00012614
SMILES	CN(C)C1=CC=C(C=C1)N=NC2=CC=CC=C2C(=O)O.Cl
Synonym	2-[4-(Dimethylamino)phenyl]azobenzoic acid
IUPAC Name	2-[[4-(dimethylamino)phenyl]diazenyl]benzoic acid;hydrochloride
InChI Key	ICTWKXAVJAHRMK-UHFFFAOYSA-N
Molecular Formula	C15H16ClN3O2

918

Nitrazine Yellow

CAS: 5423-07-4 MDL Number: MFCD00003938 Synonym: C.I. 14890; Delta Yellow

Pricing & Availability
Specifications

CAS	5423-07-4
MDL Number	MFCD00003938
Synonym	C.I. 14890; Delta Yellow

919

Ethyl Orange sodium salt, Thermo Scientific Chemicals

CAS: 62758-12-7 Molecular Formula: C16H18N3NaO3S Molecular Weight (g/mol): 355.388 MDL Number: MFCD00007503 InChI Key: YZORUOZKRBVLEG-UHFFFAOYSA-M Synonym: 4-[4-(Diethylamino)phenylazo]benzenesulfonic acid sodium salt PubChem CID: 23676309 IUPAC Name: sodium;4-[[4-(diethylamino)phenyl]diazenyl]benzenesulfonate SMILES: CCN(CC)C1=CC=C(C=C1)N=NC2=CC=C(C=C2)S(=O)(=O)[O-].[Na+]

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Specifications

PubChem CID	23676309
CAS	62758-12-7
Molecular Weight (g/mol)	355.388
MDL Number	MFCD00007503
SMILES	CCN(CC)C1=CC=C(C=C1)N=NC2=CC=C(C=C2)S(=O)(=O)[O-].[Na+]
Synonym	4-[4-(Diethylamino)phenylazo]benzenesulfonic acid sodium salt
IUPAC Name	sodium;4-[[4-(diethylamino)phenyl]diazenyl]benzenesulfonate
InChI Key	YZORUOZKRBVLEG-UHFFFAOYSA-M
Molecular Formula	C16H18N3NaO3S

920

Acid Blue 29, MP Biomedicals™

CAS: 5850-35-1 Molecular Formula: C22H14N6Na2O9S2 Molecular Weight (g/mol): 616.49 MDL Number: MFCD00009960 InChI Key: WEILTBATXPPXPP-AXSRUCDFSA-L Synonym: C.I. 20460 PubChem CID: 44134491 IUPAC Name: disodium (3E)-5-amino-6-[2-(3-nitrophenyl)diazen-1-yl]-4-oxo-3-(2-phenylhydrazin-1-ylidene)-3,4-dihydronaphthalene-2,7-disulfonate SMILES: [Na+].[Na+].NC1=C(N=NC2=CC=CC(=C2)[N+]([O-])=O)C(=CC2=C1C(=O)\C(=N/NC1=CC=CC=C1)C(=C2)S([O-])(=O)=O)S([O-])(=O)=O

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Specifications

PubChem CID	44134491
CAS	5850-35-1
Molecular Weight (g/mol)	616.49
MDL Number	MFCD00009960
SMILES	[Na+].[Na+].NC1=C(N=NC2=CC=CC(=C2)[N+]([O-])=O)C(=CC2=C1C(=O)\C(=N/NC1=CC=CC=C1)C(=C2)S([O-])(=O)=O)S([O-])(=O)=O
Synonym	C.I. 20460
IUPAC Name	disodium (3E)-5-amino-6-[2-(3-nitrophenyl)diazen-1-yl]-4-oxo-3-(2-phenylhydrazin-1-ylidene)-3,4-dihydronaphthalene-2,7-disulfonate
InChI Key	WEILTBATXPPXPP-AXSRUCDFSA-L
Molecular Formula	C22H14N6Na2O9S2

921

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

Pricing & 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	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

922

MP Biomedicals™ Nigrosin Stain

Used as a viable cell staining agent especially in stem cell biology

Pricing & Availability
Specifications

Format	Crystal
Product Type	Nigrosin
Storage Requirements	15 to 30°C
For Use With (Application)	Viable cell staining agent especially in stem cell biology

923

Primulin, MP Biomedicals™

CAS: 8064-60-6 Molecular Formula: C21H14N3NaO3S3 Molecular Weight (g/mol): 475.531 MDL Number: MFCD00005798 InChI Key: RSRNHSYYBLEMOI-UHFFFAOYSA-M Synonym: Direct Yellow 59,C.I. 49000 PubChem CID: 3769888 IUPAC Name: sodium;2-[2-(4-aminophenyl)-1,3-benzothiazol-6-yl]-6-methyl-1,3-benzothiazole-7-sulfonate SMILES: CC1=C(C2=C(C=C1)N=C(S2)C3=CC4=C(C=C3)N=C(S4)C5=CC=C(C=C5)N)S(=O)(=O)[O-].[Na+]

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Specifications

PubChem CID	3769888
CAS	8064-60-6
Molecular Weight (g/mol)	475.531
MDL Number	MFCD00005798
SMILES	CC1=C(C2=C(C=C1)N=C(S2)C3=CC4=C(C=C3)N=C(S4)C5=CC=C(C=C5)N)S(=O)(=O)[O-].[Na+]
Synonym	Direct Yellow 59,C.I. 49000
IUPAC Name	sodium;2-[2-(4-aminophenyl)-1,3-benzothiazol-6-yl]-6-methyl-1,3-benzothiazole-7-sulfonate
InChI Key	RSRNHSYYBLEMOI-UHFFFAOYSA-M
Molecular Formula	C21H14N3NaO3S3

924

Trypan blue, 83.3%, MP Biomedicals™

CAS: 72-57-1 Molecular Formula: C34H24N6Na4O14S4 Molecular Weight (g/mol): 960.79 MDL Number: MFCD00003969 InChI Key: WMYVHJWZUUEZNE-ARWFNKCKSA-J Synonym: Direct Blue 14,Niagara Blue 3B PubChem CID: 9562061 IUPAC Name: tetrasodium (3Z)-5-amino-3-[2-(4'-{2-[(2Z)-8-amino-1-oxo-3,6-disulfonato-1,2-dihydronaphthalen-2-ylidene]hydrazin-1-yl}-3,3'-dimethyl-[1,1'-biphenyl]-4-yl)hydrazin-1-ylidene]-4-oxo-3,4-dihydronaphthalene-2,7-disulfonate SMILES: [Na+].[Na+].[Na+].[Na+].CC1=CC(=CC=C1N\N=C1\C(=O)C2=C(N)C=C(C=C2C=C1S([O-])(=O)=O)S([O-])(=O)=O)C1=CC=C(N\N=C2\C(=O)C3=C(N)C=C(C=C3C=C2S([O-])(=O)=O)S([O-])(=O)=O)C(C)=C1

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Specifications

PubChem CID	9562061
CAS	72-57-1
Molecular Weight (g/mol)	960.79
MDL Number	MFCD00003969
SMILES	[Na+].[Na+].[Na+].[Na+].CC1=CC(=CC=C1N\N=C1\C(=O)C2=C(N)C=C(C=C2C=C1S([O-])(=O)=O)S([O-])(=O)=O)C1=CC=C(N\N=C2\C(=O)C3=C(N)C=C(C=C3C=C2S([O-])(=O)=O)S([O-])(=O)=O)C(C)=C1
Synonym	Direct Blue 14,Niagara Blue 3B
IUPAC Name	tetrasodium (3Z)-5-amino-3-[2-(4'-{2-[(2Z)-8-amino-1-oxo-3,6-disulfonato-1,2-dihydronaphthalen-2-ylidene]hydrazin-1-yl}-3,3'-dimethyl-[1,1'-biphenyl]-4-yl)hydrazin-1-ylidene]-4-oxo-3,4-dihydronaphthalene-2,7-disulfonate
InChI Key	WMYVHJWZUUEZNE-ARWFNKCKSA-J
Molecular Formula	C34H24N6Na4O14S4

925

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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

Pricing & Availability
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

926

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D and C Red No. 6, 90%, Spectrum™ Chemical

CAS: 5858-81-1 Molecular Formula: C18H12N2Na2O6S Molecular Weight (g/mol): 430.34 InChI Key: CTBASIXHDUUSCV-SDXCCTRSSA-L IUPAC Name: disodium (4E)-4-[2-(4-methyl-2-sulfonatophenyl)hydrazin-1-ylidene]-3-oxo-3,4-dihydronaphthalene-2-carboxylate SMILES: [Na+].[Na+].CC1=CC=C(N\N=C2\C(=O)C(=CC3=CC=CC=C23)C([O-])=O)C(=C1)S([O-])(=O)=O

Pricing & Availability
Specifications

CAS	5858-81-1
Molecular Weight (g/mol)	430.34
SMILES	[Na+].[Na+].CC1=CC=C(N\N=C2\C(=O)C(=CC3=CC=CC=C23)C([O-])=O)C(=C1)S([O-])(=O)=O
IUPAC Name	disodium (4E)-4-[2-(4-methyl-2-sulfonatophenyl)hydrazin-1-ylidene]-3-oxo-3,4-dihydronaphthalene-2-carboxylate
InChI Key	CTBASIXHDUUSCV-SDXCCTRSSA-L
Molecular Formula	C18H12N2Na2O6S

927

Phenolphthalein StandAR, Macron Fine Chemicals™

CAS: 77-09-8 Molecular Formula: C20H14O4 Molecular Weight (g/mol): 318.33 MDL Number: MFCD00005913 InChI Key: KJFMBFZCATUALV-UHFFFAOYSA-N PubChem CID: 4764 ChEBI: CHEBI:34914 IUPAC Name: 3,3-bis(4-hydroxyphenyl)-1,3-dihydro-2-benzofuran-1-one SMILES: OC1=CC=C(C=C1)C1(OC(=O)C2=CC=CC=C12)C1=CC=C(O)C=C1

Pricing & Availability
Specifications

PubChem CID	4764
CAS	77-09-8
Molecular Weight (g/mol)	318.33
ChEBI	CHEBI:34914
MDL Number	MFCD00005913
SMILES	OC1=CC=C(C=C1)C1(OC(=O)C2=CC=CC=C12)C1=CC=C(O)C=C1
IUPAC Name	3,3-bis(4-hydroxyphenyl)-1,3-dihydro-2-benzofuran-1-one
InChI Key	KJFMBFZCATUALV-UHFFFAOYSA-N
Molecular Formula	C20H14O4

928

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D and C Yellow No. 10, Spectrum™ Chemical

CAS: 8004-92-0 Molecular Formula: C18H9NNa2O8S2 Molecular Weight (g/mol): 477.37 MDL Number: MFCD00080727 InChI Key: FZUOVNMHEAPVBW-UHFFFAOYSA-L IUPAC Name: disodium 2-(1,3-dioxo-2,3-dihydro-1H-inden-2-yl)quinoline-6,8-disulfonate SMILES: [Na+].[Na+].[O-]S(=O)(=O)C1=CC(=C2N=C(C=CC2=C1)C1C(=O)C2=CC=CC=C2C1=O)S([O-])(=O)=O

Pricing & Availability
Specifications

CAS	8004-92-0
Molecular Weight (g/mol)	477.37
MDL Number	MFCD00080727
SMILES	[Na+].[Na+].[O-]S(=O)(=O)C1=CC(=C2N=C(C=CC2=C1)C1C(=O)C2=CC=CC=C2C1=O)S([O-])(=O)=O
IUPAC Name	disodium 2-(1,3-dioxo-2,3-dihydro-1H-inden-2-yl)quinoline-6,8-disulfonate
InChI Key	FZUOVNMHEAPVBW-UHFFFAOYSA-L
Molecular Formula	C18H9NNa2O8S2

929

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Phenol, Fused Crystal, USP, 99-100.5%, Spectrum™ Chemical

CAS: 108-95-2 Molecular Formula: C6H6O Molecular Weight (g/mol): 94.11 MDL Number: MFCD00002143 InChI Key: ISWSIDIOOBJBQZ-UHFFFAOYSA-N IUPAC Name: phenol SMILES: OC1=CC=CC=C1

Pricing & Availability
Specifications

CAS	108-95-2
Molecular Weight (g/mol)	94.11
MDL Number	MFCD00002143
SMILES	OC1=CC=CC=C1
IUPAC Name	phenol
InChI Key	ISWSIDIOOBJBQZ-UHFFFAOYSA-N
Molecular Formula	C6H6O

930

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Phenolphthalein, 1% (w/v) Indicator Solution in 70% Alcohol, Spectrum™ Chemical

Pricing & Availability
Specifications

CAS	7732-18-5
Color	Colorless
Packaging	Poly Bottle
Chemical Name or Material	Phenolphthalein
Grade	Chemical Solution
Concentration	1%

Stains and Dyes

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Eriochrome Black T, Reagent, ACS, Spectrum™ Chemical Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

D and C Red No. 6, 90%, Spectrum™ Chemical Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

D and C Yellow No. 10, Spectrum™ Chemical Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Phenol, Fused Crystal, USP, 99-100.5%, Spectrum™ Chemical Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Phenolphthalein, 1% (w/v) Indicator Solution in 70% Alcohol, Spectrum™ Chemical Small and Specialty Supplier PartnerSmall and/or specialty supplier based on Federal laws and SBA requirements.Learn More

Eriochrome Black T, Reagent, ACS, Spectrum™ Chemical

D and C Red No. 6, 90%, Spectrum™ Chemical

D and C Yellow No. 10, Spectrum™ Chemical

Phenol, Fused Crystal, USP, 99-100.5%, Spectrum™ Chemical

Phenolphthalein, 1% (w/v) Indicator Solution in 70% Alcohol, Spectrum™ Chemical