Biological Dyes

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Structure Chemical Name CAS MF
ACID RED 26 ACID RED 26 3761-53-3 C18H17N2NaO7S2
Procyanidin Procyanidin 4852-22-6 C30H26O13
O-AMINOAZOTOLUENE O-AMINOAZOTOLUENE 97-56-3 C14H15N3
Coumarin 314 Coumarin 314 55804-66-5 C18H19NO4
Variamine Blue B Variamine Blue B 3566-44-7 C13H15ClN2O
Alcian Blue 8GX Alcian Blue 8GX 33864-99-2 C56H68CuN16S4.4Cl
LEISHMAN'S STAIN LEISHMAN'S STAIN 12627-53-1 n.a.
PROFLAVINE HEMISULFATE PROFLAVINE HEMISULFATE 1811-28-5 C13H13N3O4S
Fast Red B salt Fast Red B salt 49735-71-9 C17H13N3O9S2
6-(5-Chloro-2-hydroxy-4-sulfophenylazo)-5-hydroxy-1-naphthalenesulfonic acid disodium salt 6-(5-Chloro-2-hydroxy-4-sulfophenylazo)-5-hydroxy-1-naphthalenesulfonic acid disodium salt 3624-68-8 C16H9ClN2Na2O8S2
Mordant Yellow 10 Mordant Yellow 10 6054-99-5 C13H8N2Na2O6S
BENZOPURPURIN 4B BENZOPURPURIN 4B 992-59-6 C34H29N6NaO6S2
AZURE A, CERTIFIED, PURE AZURE A, CERTIFIED, PURE 531-53-3 C14H14ClN3S
CELESTINE BLUE CELESTINE BLUE 1562-90-9 C17H18ClN3O4
Brilliant Cresyl Blue Brilliant Cresyl Blue 81029-05-2 C17H21Cl4N4OZn-
Sodium 5-[(4-nitrophenyl)azo]salicylate Sodium 5-[(4-nitrophenyl)azo]salicylate 1718-34-9 C13H8N3NaO5
Fast Blue RR salt Fast Blue RR salt 14726-29-5 C30H28Cl4N6O6Zn
INDOINE BLUE INDOINE BLUE 4569-88-4 C30H24ClN5O
3,4,5,6-TETRACHLOROFLUORESCEIN 3,4,5,6-TETRACHLOROFLUORESCEIN 6262-21-1 C20H8Cl4O5
4',5'-DIBROMOFLUORESCEIN 4',5'-DIBROMOFLUORESCEIN 596-03-2 C20H10Br2O5
N-Ethyl-N-(3-sulfopropyl)aniline sodium salt N-Ethyl-N-(3-sulfopropyl)aniline sodium salt 82611-85-6 C11H16NNaO3S
N-Ethyl-N-(2-hydroxy-3-sulfopropyl)-3,5-dimethoxyaniline sodium salt N-Ethyl-N-(2-hydroxy-3-sulfopropyl)-3,5-dimethoxyaniline sodium salt 83777-30-4 C13H22NNaO6S
INDOPHENOL BLUE INDOPHENOL BLUE 132-31-0 C18H16N2O
CALCEIN BLUE CALCEIN BLUE 54375-47-2 C15H15NO7
ETHYL RED ETHYL RED 76058-33-8 C17H19N3O2
Phenosafranin Phenosafranin 81-93-6 C18H15ClN4
N-(3-Sulfopropyl)-3,3',5,5'-tetramethylbenzidine sodium salt N-(3-Sulfopropyl)-3,3',5,5'-tetramethylbenzidine sodium salt 102062-36-2 C19H26N2O3S
CRESYL VIOLET ACETATE CRESYL VIOLET ACETATE 10510-54-0 C18H15N3O3
ACID RED 66 ACID RED 66 4196-99-0 C22H17N4NaO7S2
FAST VIOLET B SALT FAST VIOLET B SALT 14726-28-4 C15H14Cl4N3O2Zn-
Tetranitroblue tetrazolium chloride Tetranitroblue tetrazolium chloride 1184-43-6 C40H28ClN12O10+
ALPHA-NAPHTHYL RED HYDROCHLORIDE ALPHA-NAPHTHYL RED HYDROCHLORIDE 83833-14-1 C16H14ClN3
RHODAMINE 6G PERCHLORATE RHODAMINE 6G PERCHLORATE 13161-28-9 C28H31ClN2O7
Nitrazine Yellow Nitrazine Yellow 5423-07-4 C16H11N4NaO11S2
SOLVENT BLUE 38 SOLVENT BLUE 38 1328-51-4 C32H12CuN8Na2O6S2
CI 37210 CI 37210 101-89-3 C14H14N4O4S
CI 45010 CI 45010 2150-48-3 C21H27ClN2O
SULFORHODAMINE B SULFORHODAMINE B 2609-88-3 C27H30N2O7S2
2-[2-HYDROXY-3-(2,4-XYLYLCARBAMOYL)-1-NAPHTHYLAZO]PHENOL 2-[2-HYDROXY-3-(2,4-XYLYLCARBAMOYL)-1-NAPHTHYLAZO]PHENOL 523-67-1 C25H21N3O3
CROCONIC ACID CROCONIC ACID 488-86-8 C5H2O5
ETHYL ORANGE ETHYL ORANGE 62758-12-7 C16H20N3NaO3S
FAST BLUE BB SALT FAST BLUE BB SALT 5486-84-0 C17H18Cl4N3O3Zn-
THYMOL BLUE THYMOL BLUE 81012-93-3 C27H29NaO5S
FAST BLACK K SALT FAST BLACK K SALT 64071-86-9 C28H24Cl4N10O8Zn
HYDRINDANTIN HYDRINDANTIN 5950-69-6 C18H14O8
N-Ethyl-N-(3-sulfopropyl)-3-methoxyaniline sodium salt N-Ethyl-N-(3-sulfopropyl)-3-methoxyaniline sodium salt 82611-88-9 C12H20NNaO4S
CI 37155 CI 37155 6268-05-9 C15H16N2O3
BLACK PN BLACK PN 2519-30-4 C28H22N5NaO14S4
Coumarin 334 Coumarin 334 55804-67-6 C17H17NO3
Crotonic acid Crotonic acid 3724-65-0 C4H6O2
Iodophenol Blue Iodophenol Blue 4430-24-4 C19H10I4O5S
DIHYDROFLUORESCEIN DIACETATE DIHYDROFLUORESCEIN DIACETATE 35340-49-9 C24H18O7
3,4,5,6-Tetrabromophenolsulfonephthalein 3,4,5,6-Tetrabromophenolsulfonephthalein 77172-72-6 C19H10Br4O5S
N-Ethyl-N-(2-hydroxy-3-sulfopropyl)-3-methoxyaniline sodium salt dihydrate N-Ethyl-N-(2-hydroxy-3-sulfopropyl)-3-methoxyaniline sodium salt dihydrate 82692-96-4 C12H22NNaO7S
Fluorescein (Solvent Yellow 94) Fluorescein (Solvent Yellow 94) 126605-73-0 C20H12O5
STAINS-ALL STAINS-ALL 7423-31-6 C30H27BrN2S2
OIL BLUE N OIL BLUE N 2646-15-3 C24H30N2O2
REACTIVE BLUE 2 REACTIVE BLUE 2 12236-82-7 C29H20ClN7O11S3
Bromochlorophenol Blue sodium salt Bromochlorophenol Blue sodium salt 102185-52-4 C19H9Br2Cl2O5S.Na
ACRIDINE ORANGE ACRIDINE ORANGE 65-61-2 C17H20ClN3
ACID ORANGE 74 ACID ORANGE 74 10127-27-2 C16H10CrN5NaO8S
METHYL RED HYDROCHLORIDE METHYL RED HYDROCHLORIDE 63451-28-5 C15H16ClN3O2
EOSIN B EOSIN B 56360-46-4 C20H8Br2N2O9
2-ANISIDINE-4-SULFOBUTYLAMIDE 2-ANISIDINE-4-SULFOBUTYLAMIDE 80-22-8 C11H18N2O3S
BASIC BLUE 24 BASIC BLUE 24 1934-16-3 C18H22ClN3S
3,3',5,5'-TETRAMETHYLBENZIDINE DIHYDROCHLORIDE HYDRATE 3,3',5,5'-TETRAMETHYLBENZIDINE DIHYDROCHLORIDE HYDRATE 207738-08-7 C16H23ClN2O
SULFORHODAMINE 101 SULFORHODAMINE 101 60311-02-6 C31H30N2O7S2
BROMOCRESOL GREEN SODIUM SALT BROMOCRESOL GREEN SODIUM SALT 67763-24-0 C21H15Br4NaO5S
CI 50206 CI 50206 4569-86-2 C22H23ClN4
JENNER'S STAIN JENNER'S STAIN 62851-42-7 62851-42-7
SUDAN ORANGE G SUDAN ORANGE G 2051-85-6 C12H10N2O2
ACID RED 183 ACID RED 183 6408-31-7 C16H11ClN4Na2O8S2
RHODANILE BLUE RHODANILE BLUE 14969-56-3 C48H50ClN5O3
sodium 2-[(2-hydroxynaphthyl)azo]naphthalenesulphonate sodium 2-[(2-hydroxynaphthyl)azo]naphthalenesulphonate 1248-18-6 C20H15N2NaO4S
ACID YELLOW 54 ACID YELLOW 54 10127-05-6 C18H12CrN4NaO10S2-
CI 52041 CI 52041 2516-05-4 C14H12N2OS
AZURE B AZURE B 8006-34-6 C15H16ClN3S
3',3 3',3",5',5"-Tetrabromophenolsulfophthalein sodium salt 62625-28-9 C19H10Br4O5S
FAST DARK BLUE R SALT FAST DARK BLUE R SALT 6709-58-6 C14H10Cl2N5O4+
Tetrabromophenol Blue sodium salt Tetrabromophenol Blue sodium salt 108321-10-4 C19H7Br8NaO5S
RESORCIN BLUE, PURE RESORCIN BLUE, PURE 71939-12-3 C24H15NO7
N-Ethyl-N-(2-hydroxy-3-sulfopropyl)-3,5-dimethylaniline sodium salt monohydrate N-Ethyl-N-(2-hydroxy-3-sulfopropyl)-3,5-dimethylaniline sodium salt monohydrate 82692-97-5 C13H22NNaO5S
Cochineal Cochineal 1343-78-8 C22H20O13
[7-hydroxy-8-[(4-sulpho-1-naphthyl)azo]naphthalene-1,3-disulphonato(3-)]aluminium [7-hydroxy-8-[(4-sulpho-1-naphthyl)azo]naphthalene-1,3-disulphonato(3-)]aluminium 15876-47-8 C20H10AlN2O10S3
Pigment Red 3 Pigment Red 3 2425-85-6 C17H13N3O3
AZURE B EOSINATE PRACTICAL GRADE AZURE B EOSINATE PRACTICAL GRADE 62298-42-4 C50H38Br4N6O5S2
PHENOL BLUE PHENOL BLUE 2150-58-5 C14H14N2O
4-PHENYLAZOMALEINANIL 4-PHENYLAZOMALEINANIL 16201-96-0 C16H11N3O2
Meldola's blue Meldola's blue 7057-57-0 C18H15ClN2O
FUCHSIN BASIC FUCHSIN BASIC 58969-01-0 C20H20ClN3
N,N-Bis(4-sulfobutyl)-3,5-dimethylaniline disodium salt N,N-Bis(4-sulfobutyl)-3,5-dimethylaniline disodium salt 209518-16-1 C16H28NNaO6S2
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