Stains Dyes and Indicators

Alfa Aesar™ Azure A

CAS: 531-53-3 Molecular Formula: C14H14ClN3S Molecular Weight (g/mol): 291.797 MDL Number: MFCD00012112 InChI Key: NALREUIWICQLPS-UHFFFAOYSA-N Synonym: C.I. 52005 PubChem CID: 13735 IUPAC Name: (7-aminophenothiazin-3-ylidene)-dimethylazanium;chloride SMILES: C[N+](=C1C=CC2=NC3=C(C=C(C=C3)N)SC2=C1)C.[Cl-]

Direct Red 80, Alfa Aesar™

CAS: 2612-02-4 Molecular Formula: C8H8O4 Molecular Weight (g/mol): 168.15 MDL Number: MFCD00054389 InChI Key: IZZIWIAOVZOBLF-UHFFFAOYSA-N Synonym: C.I. 35780; Sirius Red PubChem CID: 75787 IUPAC Name: 2-hydroxy-5-methoxybenzoic acid SMILES: COC1=CC(=C(C=C1)O)C(=O)O

Brilliant Blue G, pure, ACROS Organics™

CAS: 6104-58-1 Molecular Formula: C47H48N3NaO7S2 Molecular Weight (g/mol): 854.025 MDL Number: MFCD00078482 InChI Key: RWVGQQGBQSJDQV-UHFFFAOYSA-M Synonym: Acid Blue 90 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+]

Chlorophenol Red, sodium salt, Acros Organics™

CAS: 123333-64-2 Molecular Formula: C19H12Cl2NaO5S Molecular Weight (g/mol): 446.25 InChI Key: WPOQIHNMEVPKFP-UHFFFAOYSA-N Synonym: 3', 3''-Dichlorophenolsulfonephthalein, sodium salt PubChem CID: 131846007 IUPAC Name: 2-chloro-4-[3-(3-chloro-4-hydroxyphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]phenol;sodium SMILES: C1=CC=C2C(=C1)C(OS2(=O)=O)(C3=CC(=C(C=C3)O)Cl)C4=CC(=C(C=C4)O)Cl.[Na]

Brilliant Blue R, pure, ACROS Organics™

CAS: 6104-59-2 Molecular Formula: C45H44N3NaO7S2 Molecular Weight (g/mol): 825.971 MDL Number: MFCD00041762 InChI Key: NKLPQNGYXWVELD-UHFFFAOYSA-M Synonym: Acid Blue 83 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: 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=C3)C5=CC=C(C=C5)NC6=CC=C(C=C6)OCC.[Na+]

Alfa Aesar™ Brilliant Blue R soln., Ready-to-Use

CAS: 6104-59-2 Molecular Formula: C45H44N3NaO7S2 Molecular Weight (g/mol): 825.971 MDL Number: MFCD00041762 InChI Key: NKLPQNGYXWVELD-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: 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=C3)C5=CC=C(C=C5)NC6=CC=C(C=C6)OCC.[Na+]

Alfa Aesar™ Xylenol Blue

CAS: 125-31-5 Molecular Formula: C23H22O5S Molecular Weight (g/mol): 410.484 MDL Number: MFCD00005870 InChI Key: MGUKYHHAGPFJMC-UHFFFAOYSA-N Synonym: p-Xylenolsulfonephthalein PubChem CID: 67172 IUPAC Name: 4-[3-(4-hydroxy-2,5-dimethylphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]-2,5-dimethylphenol SMILES: CC1=CC(=C(C=C1C2(C3=CC=CC=C3S(=O)(=O)O2)C4=CC(=C(C=C4C)O)C)C)O

Eriochrome™Black T, ACS reagent, indicator grade, ACROS Organics™

CAS: 1787-61-7 Molecular Formula: C20H13N3NaO7S Molecular Weight (g/mol): 462.388 InChI Key: KJEKTGOJOIUSCG-GXTSIBQPSA-N Synonym: 3-Hydroxy-4-(1-hydroxy-2-naphthylazo)-7-nitro-1-naphthalene sulfonic acid, sodium salt PubChem CID: 87355429 IUPAC Name: (4Z)-4-[(1-hydroxynaphthalen-2-yl)hydrazinylidene]-7-nitro-3-oxonaphthalene-1-sulfonic acid;sodium SMILES: C1=CC=C2C(=C1)C=CC(=C2O)NN=C3C4=C(C=C(C=C4)[N+](=O)[O-])C(=CC3=O)S(=O)(=O)O.[Na]

Alfa Aesar™ Crystal Violet

CAS: 548-62-9 Molecular Formula: C25H30ClN3 Molecular Weight (g/mol): 407.986 MDL Number: MFCD00011750 InChI Key: ZXJXZNDDNMQXFV-UHFFFAOYSA-M Synonym: Basic Violet 3; C.I. 42555 PubChem CID: 11057 ChEBI: CHEBI:41688 IUPAC Name: [4-[bis[4-(dimethylamino)phenyl]methylidene]cyclohexa-2,5-dien-1-ylidene]-dimethylazanium;chloride 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-]

Alfa Aesar™ 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

Ruthenium Red tetrahydrate, pure, ACROS Organics™

CAS: 12790-48-6 Molecular Formula: Cl6H36N14O6Ru3-14 Molecular Weight (g/mol): 844.29 MDL Number: MFCD00167176 InChI Key: IMVKVBRYNZXYAP-UHFFFAOYSA-H PubChem CID: 108195 IUPAC Name: azanide;oxygen(2-);ruthenium;ruthenium(5+);hexachloride;tetrahydrate SMILES: [NH2-].[NH2-].[NH2-].[NH2-].[NH2-].[NH2-].[NH2-].[NH2-].[NH2-].[NH2-].[NH2-].[NH2-].[NH2-].[NH2-].O.O.O.O.[O-2].[O-2].[Cl-].[Cl-].[Cl-].[Cl-].[Cl-].[Cl-].[Ru].[Ru+5].[Ru+5]

Alfa Aesar™ Thymol Blue

CAS: 76-61-9 Molecular Formula: C27H30O5S Molecular Weight (g/mol): 466.592 MDL Number: MFCD00005869 InChI Key: PRZSXZWFJHEZBJ-UHFFFAOYSA-N PubChem CID: 65565 IUPAC Name: 4-[3-(4-hydroxy-2-methyl-5-propan-2-ylphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]-5-methyl-2-propan-2-ylphenol SMILES: CC1=CC(=C(C=C1C2(C3=CC=CC=C3S(=O)(=O)O2)C4=CC(=C(C=C4C)O)C(C)C)C(C)C)O

Alfa Aesar™ Neutral Red

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

Alfa Aesar™ Ethyl Red

CAS: 76058-33-8 Molecular Formula: C17H19N3O2 Molecular Weight (g/mol): 297.358 MDL Number: MFCD00002427 InChI Key: HBRCDTRQDHMTDA-UHFFFAOYSA-N Synonym: 2-(4-Diethylaminophenylazo)benzoic acid PubChem CID: 54832 IUPAC Name: 2-[[4-(diethylamino)phenyl]diazenyl]benzoic acid SMILES: CCN(CC)C1=CC=C(C=C1)N=NC2=CC=CC=C2C(=O)O

Evans Blue, Alfa Aesar™

CAS: 314-13-6 Molecular Formula: C34H24N6Na4O14S4 Molecular Weight (g/mol): 960.793 MDL Number: MFCD00004021 InChI Key: KBNIFDASRCWYGC-UHFFFAOYSA-J Synonym: C.I. 23860 PubChem CID: 24832074 IUPAC Name: tetrasodium;4-amino-6-[[4-[4-[2-(8-amino-1-oxo-5,7-disulfonatonaphthalen-2-ylidene)hydrazinyl]-3-methylphenyl]-2-methylphenyl]hydrazinylidene]-5-oxonaphthalene-1,3-disulfonate SMILES: CC1=C(C=CC(=C1)C2=CC(=C(C=C2)NN=C3C=CC4=C(C3=O)C(=C(C=C4S(=O)(=O)[O-])S(=O)(=O)[O-])N)C)NN=C5C=CC6=C(C5=O)C(=C(C=C6S(=O)(=O)[O-])S(=O)(=O)[O-])N.[Na+].[Na+].[Na+].[Na+]

Catechol Violet, Alfa Aesar™

CAS: 115-41-3 Molecular Formula: C19H14O7S Molecular Weight (g/mol): 386.374 MDL Number: MFCD00005868 InChI Key: RRRCKIRSVQAAAS-UHFFFAOYSA-N PubChem CID: 66993 IUPAC Name: 4-[3-(3,4-dihydroxyphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]benzene-1,2-diol SMILES: C1=CC=C2C(=C1)C(OS2(=O)=O)(C3=CC(=C(C=C3)O)O)C4=CC(=C(C=C4)O)O

Methyl Red hydrochloride, ACS reagent, ACROS Organics™

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)phenylazo]benzoic acid hydrochloride 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

Solvent Blue 38, Alfa Aesar™

CAS: 1328-51-4 Molecular Formula: C32H14CuN8Na2O6S2 Molecular Weight (g/mol): 780.16 MDL Number: MFCD00071424 InChI Key: DKBXPLYSDKSFEQ-UHFFFAOYSA-L Synonym: C.I. 74180; Direct Blue 86 PubChem CID: 92030797 SMILES: C1=CC=C2C(=C1)C3=NC4=C5C=CC=CC5=C([N-]4)N=C6C7=C(C=CC=C7S(=O)(=O)[O-])C(=N6)N=C8C9=C(C(=CC=C9)S(=O)(=O)[O-])C(=N8)N=C2[N-]3.[Na+].[Na+].[Cu+2]

Methylene Blue hydrate, pure, ACROS Organics™

CAS: 122965-43-9 Molecular Formula: C16H20ClN3OS Molecular Weight (g/mol): 337.866 InChI Key: WQVSELLRAGBDLX-UHFFFAOYSA-M Synonym: Basic Blue 9 hydrate PubChem CID: 16211647 IUPAC Name: [7-(dimethylamino)phenothiazin-3-ylidene]-dimethylazanium;chloride;hydrate SMILES: CN(C)C1=CC2=C(C=C1)N=C3C=CC(=[N+](C)C)C=C3S2.O.[Cl-]

Neutral Red, ACROS Organics™

CAS: 553-24-2 Molecular Formula: C15H17ClN4 Molecular Weight (g/mol): 288.779 MDL Number: MFCD00012651 InChI Key: PGSADBUBUOPOJS-UHFFFAOYSA-N Synonym: 3-Amino-7-dimethylamino-2-methylphenazine hydrochloride 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

Cresol Red, Indicator Grade, Pure, ACROS Organics™

CAS: 1733-12-6 Molecular Formula: C21H18O5S Molecular Weight (g/mol): 382.43 MDL Number: MFCD00005878 InChI Key: OBRMNDMBJQTZHV-UHFFFAOYSA-N PubChem CID: 73013 ChEBI: CHEBI:86218 IUPAC Name: 4-[3-(4-hydroxy-3-methylphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]-2-methylphenol SMILES: CC1=C(C=CC(=C1)C2(C3=CC=CC=C3S(=O)(=O)O2)C4=CC(=C(C=C4)O)C)O

Alfa Aesar™ Cresyl Violet acetate

CAS: 10510-54-0 Molecular Formula: C18H15N3O3 Molecular Weight (g/mol): 321.336 MDL Number: MFCD00013151 InChI Key: UEWSHLFAYRXNHZ-UHFFFAOYSA-N Synonym: 9-Amino-5-imino-5H-benzo[a]phenoxazine acetate salt; Cresyl echt violet PubChem CID: 44134641 IUPAC Name: acetic acid;5-iminobenzo[a]phenoxazin-9-amine SMILES: CC(=O)O.C1=CC=C2C(=C1)C(=N)C=C3C2=NC4=C(O3)C=C(C=C4)N

Xylene cyanol FF, ∽75%, ACROS Organics™

CAS: 2650-17-1 Molecular Formula: C25H27N2NaO6S2 MDL Number: MFCD00040657 Synonym: Acid blue 147 monosidium salt

Alfa Aesar™ Phenol Red sodium salt, 0.02% w/v aq. soln.

CAS: 34487-61-1 Molecular Formula: C19H13NaO5S Molecular Weight (g/mol): 376.358 MDL Number: MFCD00066901 InChI Key: HKHYOKBQJILTEI-UHFFFAOYSA-M PubChem CID: 23686673 IUPAC Name: sodium;4-[3-(4-hydroxyphenyl)-1,1-dioxo-2,1$l^{6}-benzoxathiol-3-yl]phenolate SMILES: C1=CC=C2C(=C1)C(OS2(=O)=O)(C3=CC=C(C=C3)O)C4=CC=C(C=C4)[O-].[Na+]

Alfa Aesar™ Bromocresol Purple sodium salt, 0.04% w/v aq. soln.

CAS: 62625-30-3 Molecular Formula: C21H15Br2NaO5S Molecular Weight (g/mol): 562.204 MDL Number: MFCD00148896 InChI Key: KVSJYIXUWNOWBD-UGAWPWHASA-M Synonym: Bromocresol Purple, water soluble PubChem CID: 23665568 IUPAC Name: sodium;2-[(E)-(3-bromo-4-hydroxy-5-methylphenyl)-(3-bromo-5-methyl-4-oxocyclohexa-2,5-dien-1-ylidene)methyl]benzenesulfonate SMILES: CC1=CC(=C(C2=CC=CC=C2S(=O)(=O)[O-])C3=CC(=C(C(=C3)Br)O)C)C=C(C1=O)Br.[Na+]

Eriochrome™ Black T, pure, indicator grade, ACROS Organics™

CAS: 1787-61-7 Molecular Formula: C20H13N3NaO7S Molecular Weight (g/mol): 462.388 MDL Number: MFCD00003935 InChI Key: KJEKTGOJOIUSCG-GXTSIBQPSA-N Synonym: 3-Hydroxy-4-(1-hydroxy-2-naphthylazo)-7-nitro-1-naphthalene sulfonic acid, sodium salt PubChem CID: 87355429 IUPAC Name: (4Z)-4-[(1-hydroxynaphthalen-2-yl)hydrazinylidene]-7-nitro-3-oxonaphthalene-1-sulfonic acid;sodium SMILES: C1=CC=C2C(=C1)C=CC(=C2O)NN=C3C4=C(C=C(C=C4)[N+](=O)[O-])C(=CC3=O)S(=O)(=O)O.[Na]

Alfa Aesar™ Bromophenol Blue sodium salt, ACS

CAS: 34725-61-6 MDL Number: MFCD00013793

Alfa Aesar™ Bromophenol Blue sodium salt, 0.04% w/v aq. soln.

CAS: 34725-61-6 MDL Number: MFCD00013793

Bromothymol Blue, 0.04% Aqueous Solution, ACROS Organics™

CAS: 34722-90-2 Molecular Formula: C27H27Br2NaO5S Molecular Weight (g/mol): 646.366 MDL Number: MFCD00077263 InChI Key: NMKFVGALBGZKGW-FKWCIMQXSA-M Synonym: 3', 3''-Dibromothymolsulfonephthalein, sodium salt PubChem CID: 102183223 IUPAC Name: sodium;2-bromo-4-[(Z)-(3-bromo-2-methyl-4-oxo-5-propan-2-ylcyclohexa-2,5-dien-1-ylidene)-(2-sulfophenyl)methyl]-3-methyl-6-propan-2-ylphenolate SMILES: CC1=C(C(=C(C=C1C(=C2C=C(C(=O)C(=C2C)Br)C(C)C)C3=CC=CC=C3S(=O)(=O)O)C(C)C)[O-])Br.[Na+]

Erythrosin B, pure, high purity, biological stain, ACROS Organics™

CAS: 16423-68-0 Molecular Formula: C20H6I4Na2O5 Molecular Weight (g/mol): 879.86 MDL Number: MFCD00144257 InChI Key: RAGZEDHHTPQLAI-UHFFFAOYSA-L Synonym: Acid Red 51 PubChem CID: 12961638 IUPAC Name: disodium;2',4',5',7'-tetraiodo-3-oxospiro[2-benzofuran-1,9'-xanthene]-3',6'-diolate SMILES: C1=CC=C2C(=C1)C(=O)OC23C4=CC(=C(C(=C4OC5=C(C(=C(C=C35)I)[O-])I)I)[O-])I.[Na+].[Na+]

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