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Indicators

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Items 1-12 of 251

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  1. Cresol red indicator
      Grade & Purity: 
    • 0.04%(w/v) in water
    Cas#: 1733-12-6        Compound CID:  73013
    Formula:  C21H18O5S        Molecular Weight: 382.43
    IUPAC Name: 4-[3-(4-hydroxy-3-methylphenyl)-1,1-dioxo-2,1λ6-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
    InChIKey: OBRMNDMBJQTZHV-UHFFFAOYSA-N
    InChI: InChI=1S/C21H18O5S/c1-13-11-15(7-9-18(13)22)21(16-8-10-19(23)14(2)12-16)17-5-3-4-6-20(17)27(24,25)26-21/h3-12,22-23H,1-2H3
    Synonyms: Cresol red|1733-12-6|o-Cresolsulfonphthalein|o-Cresol Red|Cresolsulfophthalein|o-Cresolsulfonephthalein|3,3-bis(4-hyd...
  2. Cresol red indicator
      Grade & Purity: 
    • 0.2%(w/v) in water
    Cas#: 1733-12-6        Compound CID:  73013
    Formula:  C21H18O5S        Molecular Weight: 382.43
    IUPAC Name: 4-[3-(4-hydroxy-3-methylphenyl)-1,1-dioxo-2,1λ6-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
    InChIKey: OBRMNDMBJQTZHV-UHFFFAOYSA-N
    InChI: InChI=1S/C21H18O5S/c1-13-11-15(7-9-18(13)22)21(16-8-10-19(23)14(2)12-16)17-5-3-4-6-20(17)27(24,25)26-21/h3-12,22-23H,1-2H3
    Synonyms: Cresol red|1733-12-6|o-Cresolsulfonphthalein|o-Cresol Red|Cresolsulfophthalein|o-Cresolsulfonephthalein|3,3-bis(4-hyd...
  3. Thymolphthalein indicator
      Grade & Purity: 
    • 90% (v/v) ethanol containing 0.05% (w/v)
    Cas#: 125-20-2(Ethanol)       
    Formula:  C28H30O4        Molecular Weight: 430.54
    Synonyms: 1(3H)-Isobenzofuranone,3-bis[4-hydroxy-2-methyl-5-(1-methylethyl)phenyl]- | 3,3-bis(4-hydroxy-2-methyl-5-propan-2-ylp...
  4. Crystal violet indicator
      Grade & Purity: 
    • 0.1%(w/v)in Acetic Acid
    Cas#: 548-62-9        Compound CID:  11057
    Formula:  C25H30N3Cl        Molecular Weight: 407.98
    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-]
    InChIKey: ZXJXZNDDNMQXFV-UHFFFAOYSA-M
    InChI: InChI=1S/C25H30N3.ClH/c1-26(2)22-13-7-19(8-14-22)25(20-9-15-23(16-10-20)27(3)4)21-11-17-24(18-12-21)28(5)6;/h7-18H,1-6H3;1H/q+1;/p-1
    Synonyms: Caswell No. 264A | Gentioletten | Blaues pyoktanin | C.I. Basic violet 3 | Methyl Violet 6B (biological stain) | Badi...
  5. Crystal violet indicator
      Grade & Purity: 
    • 1% in Acetic Acid
    Cas#: 548-62-9        Compound CID:  11057
    Formula:  C25H30N3Cl        Molecular Weight: 407.98
    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-]
    InChIKey: ZXJXZNDDNMQXFV-UHFFFAOYSA-M
    InChI: InChI=1S/C25H30N3.ClH/c1-26(2)22-13-7-19(8-14-22)25(20-9-15-23(16-10-20)27(3)4)21-11-17-24(18-12-21)28(5)6;/h7-18H,1-6H3;1H/q+1;/p-1
    Synonyms: Caswell No. 264A | Gentioletten | Blaues pyoktanin | C.I. Basic violet 3 | Methyl Violet 6B (biological stain) | Badi...
  6. Crystal violet indicator
      Grade & Purity: 
    • 0.2%(w/v)in Acetic Acid
    Cas#: 548-62-9        Compound CID:  11057
    Formula:  C25H30N3Cl        Molecular Weight: 407.98
    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-]
    InChIKey: ZXJXZNDDNMQXFV-UHFFFAOYSA-M
    InChI: InChI=1S/C25H30N3.ClH/c1-26(2)22-13-7-19(8-14-22)25(20-9-15-23(16-10-20)27(3)4)21-11-17-24(18-12-21)28(5)6;/h7-18H,1-6H3;1H/q+1;/p-1
    Synonyms: Caswell No. 264A | Gentioletten | Blaues pyoktanin | C.I. Basic violet 3 | Methyl Violet 6B (biological stain) | Badi...
  7. Phenol red indicator
      Grade & Purity: 
    • 0.1%(w/v)in water
    Cas#: 143-74-8       
    Formula:  C19H14O5S        Molecular Weight: 354.38
    IUPAC Name: 4-[3-(4-hydroxyphenyl)-1,1-dioxo-2,1λ6-benzoxathiol-3-yl]phenol
    SMILES: C1=CC=C2C(=C1)C(OS2(=O)=O)(C3=CC=C(C=C3)O)C4=CC=C(C=C4)O
    InChIKey: BELBBZDIHDAJOR-UHFFFAOYSA-N
    InChI: InChI=1S/C19H14O5S/c20-15-9-5-13(6-10-15)19(14-7-11-16(21)12-8-14)17-3-1-2-4-18(17)25(22,23)24-19/h1-12,20-21H
    Synonyms: 3,3-bis(4-hydroxyphenyl)-3H-2,1lambda6-benzoxathiole-1,1-dione | 4,4'-(3H,2,1-Benzoxathiol-3-ylidene)bisphenol S,S-di...
  8. Sulfo orange
      Grade & Purity: 
    • 0.4%
    Cas#: 547-57-9        Compound CID:  2728027
    Formula:  C12H9N2NaO5S        Molecular Weight: 316.27
    IUPAC Name: sodium;4-[(2,4-dihydroxyphenyl)diazenyl]benzenesulfonate
    SMILES: C1=CC(=CC=C1N=NC2=C(C=C(C=C2)O)O)S(=O)(=O)[O-].[Na+]
    InChIKey: COEZWFYORILMOM-UHFFFAOYSA-M
    InChI: InChI=1S/C12H10N2O5S.Na/c15-9-3-6-11(12(16)7-9)14-13-8-1-4-10(5-2-8)20(17,18)19;/h1-7,15-16H,(H,17,18,19);/q;+1/p-1
    Synonyms: C.I. Food Yellow 8 | Chrysoin S Specially Pure | Chrysonine S | F9995-1411 | Tropaeolene (Biological Stain) | AKOS004...
  9. calmagite
      Grade & Purity: 
    • 1%
    Cas#: 3147-14-6        Compound CID:  2530
    Formula:  C17H14N2O5S        Molecular Weight: 358.37
    IUPAC Name: 3-hydroxy-4-[(2-hydroxy-5-methylphenyl)diazenyl]naphthalene-1-sulfonic acid
    SMILES: CC1=CC(=C(C=C1)O)N=NC2=C(C=C(C3=CC=CC=C32)S(=O)(=O)O)O
    InChIKey: VBRNLOQCBCPPHL-UHFFFAOYSA-N
    InChI: InChI=1S/C17H14N2O5S/c1-10-6-7-14(20)13(8-10)18-19-17-12-5-3-2-4-11(12)16(9-15(17)21)25(22,23)24/h2-9,20-21H,1H3,(H,22,23,24)
    Synonyms: 3-hydroxy-4-[(2-hydroxy-5-methylphenyl)diazenyl]naphthalene-1-sulfonic acid | CALMAGITE [MI] | 1-Naphthalenesulfonic ...
  10. Thymolphthalein
      Grade & Purity: 
    • 0.05%
    Cas#: 125-20-2        Compound CID:  31316
    Formula:  C28H30O4        Molecular Weight: 430.54
    IUPAC Name: 3,3-bis(4-hydroxy-2-methyl-5-propan-2-ylphenyl)-2-benzofuran-1-one
    SMILES: CC1=CC(=C(C=C1C2(C3=CC=CC=C3C(=O)O2)C4=CC(=C(C=C4C)O)C(C)C)C(C)C)O
    InChIKey: LDKDGDIWEUUXSH-UHFFFAOYSA-N
    InChI: InChI=1S/C28H30O4/c1-15(2)20-13-23(17(5)11-25(20)29)28(22-10-8-7-9-19(22)27(31)32-28)24-14-21(16(3)4)26(30)12-18(24)6/h7-16,29-30H,1-6H3
    Synonyms: 1(3H)-Isobenzofuranone,3-bis[4-hydroxy-2-methyl-5-(1-methylethyl)phenyl]- | 3,3-bis(4-hydroxy-2-methyl-5-propan-2-ylp...
  11. m-Cresol purple indicator
      Grade & Purity: 
    • 0.4%
    Cas#: 2303-01-7        Compound CID:  73030
    Formula:  C21H18O5S        Molecular Weight: 382.43
    IUPAC Name: 4-[3-(4-hydroxy-2-methylphenyl)-1,1-dioxo-2,1λ6-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
    InChIKey: OLQIKGSZDTXODA-UHFFFAOYSA-N
    InChI: InChI=1S/C21H18O5S/c1-13-11-15(22)7-9-17(13)21(18-10-8-16(23)12-14(18)2)19-5-3-4-6-20(19)27(24,25)26-21/h3-12,22-23H,1-2H3
    Synonyms: m-Cresol purple|2303-01-7|Cresol purple|3,3-Bis(4-hydroxy-2-methylphenyl)-3H-benzo[c][1,2]oxathiole 1,1-dioxide|m-Cre...
  12. m-Cresol purple indicator
      Grade & Purity: 
    • 0.04%(w/v) in water
    Cas#: 2303-01-7        Compound CID:  73030
    Formula:  C21H18O5S        Molecular Weight: 382.43
    IUPAC Name: 4-[3-(4-hydroxy-2-methylphenyl)-1,1-dioxo-2,1λ6-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
    InChIKey: OLQIKGSZDTXODA-UHFFFAOYSA-N
    InChI: InChI=1S/C21H18O5S/c1-13-11-15(22)7-9-17(13)21(18-10-8-16(23)12-14(18)2)19-5-3-4-6-20(19)27(24,25)26-21/h3-12,22-23H,1-2H3
    Synonyms: m-Cresol purple|2303-01-7|Cresol purple|3,3-Bis(4-hydroxy-2-methylphenyl)-3H-benzo[c][1,2]oxathiole 1,1-dioxide|m-Cre...
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