Home > Name List By 5 > 5-Bromo-4-chloro-3-indolyl-beta-D-galactoside

CAS No 7240-90-6 , 5-Bromo-4-chloro-3-indolyl-beta-D-galactoside

  • Name: 5-Bromo-4-chloro-3-indolyl-beta-D-galactoside
  • Synonyms: 5-Bromo-4-chloro-3-indolyl-beta-D-galactoside;X-Gal;
  • CAS Registry Number:
  • Melting Point: 230 ºC (LIT.)
  • Density: 1.882g/cm3
  • Refractive index: 1.731
  • Alpha: -64 º (C=1, H2O/DMF (1/1))
  • Safety Statements: S24/25
  • Hazard Symbols: Xi
  • EINECS: 230-640-8
  • Molecular Weight: 408.63
  • InChI: InChI=1/C14H15BrClNO6/c15-5-1-2-6-9(10(5)16)7(3-17-6)22-14-13(21)12(20)11(19)8(4-18)23-14/h1-3,8,11-14,17-21H,4H2/t8-,11+,12+,13-,14-/m1/s1
  • Risk Statements: S24/25
  • Molecular Formula: C14H15BrClNO6
  • Molecular Structure:CAS No:7240-90-6 5-Bromo-4-chloro-3-indolyl-beta-D-galactoside
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7240-90-6 5-Bromo-4-chloro-3-indolyl-?D-galactopyranoside

  • 5-Bromo-4-chloro-3-indolyl-?D-galactopyranoside, 98+% min.
  • United States SynQuest Laboratories, Inc. [Manufacturer]
  • Tel: 1-386-462-0788
  • Fax: 1-386-462-7097
  • Address: P.O.BOX309ALACHUA,FL32616-0309 ALACHUAUNITED STATES ALACHUA,nullUnited States
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7240-90-6 5-Bromo-4-chloro-3-indoxyl-alpha-D-maltotrioside

  • 5-Bromo-4-chloro-3-indoxyl-alpha-D-maltotriosideX-alpha-D-maltotriosideX-alpha-D-maltotrioside, > 99.0%
  • Switzerland Biosynth AG [Manufacturer]
  • Tel: +41 71 858 20 20/ 630.305.8400 (USA)
  • Fax: +41 71 858 20 30
  • Address: BIOSYNTH AG
    Rietlistrasse 4
    9422 Staad / Switzerland
    Phone: +41 (0)71 858 20 20
    Fax: +41 (0)71 858 20 30 null,nullSwitzerland
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7240-90-6 X-Gal (5-Bromo-4-chloro-3-indolyl-beta-D-galactopyranoside)

  • X-Gal (5-Bromo-4-chloro-3-indolyl-beta-D-galactopyranoside)
  • United Kingdom Molekula Ltd [Manufacturer]
  • Tel: +44 1202 863000
  • Fax: +44 1202 863003
  • Address: Technology House Old Forge Road Ferndown Industrial Estate Wimborne Dorset Bh21 7RR null,nullUnited Kingdom
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7240-90-6 5-BROMO-4-CHLORO-3-INDOLYL-B-D-GALACTOPYRANOSIDE

  • Germany Cfm Oskar Tropitzsch [Manufacturer]
  • Tel: +49-9231-9619-0
  • Fax: +49-9231-9619-60
  • Address: Cfm Oskar Tropitzsch
    Waldershofer Str. 49-51
    95615 Marktredwitz
    Germany null,nullGermany
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7240-90-6 5-Bromo-4-chloro-3-indolyl-beta-D-galactoside

  • 5-Bromo-4-chloro-3-indolyl-beta-D-galactoside
  • Germany Intatrade Chemicals null
  • Tel: ++49-3493-605464
  • Address: Vierzoner Strasse 14 D-06749 Bitterfeld, Germany null,nullGermany
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7240-90-6 X-GAL

  • X-GAL
  • India CHEMPURE [Manufacturer]
  • Tel: 0091-22-26764461/ 0091-22-26764462
  • Fax: 0091-22-26764023
  • Address: 328,Ashirwad Industrial Estate Bldg No.3 Ram Mandir Road,Goregaon (West) Mumbai- 400104 India Tel:0091-22-26764461 0091-22-26764462 0091-22-26764139 Fax:0091-22-26764023 Cell: 09821531478 email: chempure@bom2.vsnl.net.in 400104 MUMBAI MUMBAI,nullIndia
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7240-90-6 Fmoc-D-Orn(Boc)-OH

  • Fmoc-D-Orn(Boc)-OH
  • Switzerland Senn Chemicals AG [Manufacturer]
  • Tel: +41 (0)43 422 2400
  • Fax: +41 (0)43 422 2424
  • Address: Senn Chemicals AG
    P.O. Box 267
    Guido Senn Strasse 1, CH-8157 Dielsdorf
    Switzerland null,nullSwitzerland
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7240-90-6 5-Bromo-4-chloro-3-indolyl-b-D-galactoside [X-GAL

  • 5-Bromo-4-chloro-3-indolyl-b-D-galactoside [X-GAL
  • Min. Order: 25
  • India Siri organics [Manufacturer]
  • Tel: 91-40-23070323
  • Address: Rajiv Gandhi Nagar Hyderabad ,andhra pradeshIndia
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7240-90-6 X-GAL BIOCHEMICA

  • Germany AppliChem GmbH [Manufacturer]
  • Tel: +49 6151 93 57 0
  • Fax: +49 6151 93 57 11
  • Address: AppliChem GmbH
    Ottoweg 4
    64291 Darmstadt
    Germany null,nullGermany
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7240-90-6 5-Bromo-4-chloro-3-indolyl-beta-D-galactoside

  • 5-Bromo-4-chloro-3-indolyl-beta-D-galactoside
  • United States Carbomer, Inc. [Manufacturer]
  • Tel: 858-552-0992/ (800) 239-7129
  • Fax: 858-552-0999
  • Address: PO Box 261026-1026
    San Diego, CA 92196 null,nullUnited States
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References of 5-Bromo-4-chloro-3-indolyl-beta-D-galactoside
Title: X-gal
CAS Registry Number: 7240-90-6
CAS Name: 5-Bromo-4-chloro-1H-indol-3-yl b-D-galactopyranoside
Molecular Formula: C14H15BrClNO6
Molecular Weight: 408.63
Percent Composition: C 41.15%, H 3.70%, Br 19.55%, Cl 8.68%, N 3.43%, O 23.49%
Literature References: Chromogenic substrate of the lacZ gene product, b-galactosidase; produces a rich blue color when cleaved by the enzyme. Prepn: J. P. Horwitz et al., J. Med. Chem. 7, 574 (1964). Colorimetric reaction in tissue to localize b-galactosidase: B. Pearson et al., Lab. Invest. 12, 1249 (1963); Z. Lojda, Histochemie 23, 266 (1970). Protocol for blue-white a-complementation screening: J. Sambrook et al., Molecular Cloning: A Laboratory Manual (Cold Spring Harbor, New York, 2nd ed., 1989) pp 1.7-1.9, 1.85-1.87. Optimization of detection of exogenous bacterial lacZ expression: D. J. Weiss et al., Hum. Gene Ther. 8, 1545 (1997); of fixative conditions in X-gal staining: W. Ma et al., J. Histochem. Cytochem. 50, 1421 (2002); of blue-white screening procedure: A. L. Sherwood, BioTechniques 34, 644 (2003).
Properties: Amorphous solid from methanol, mp 237-239° (dec). [a]D24 -69° (c = 1.0 in 50% DMF). Sol in DMF, DMSO.
Melting point: mp 237-239° (dec)
Optical Rotation: [a]D24 -69° (c = 1.0 in 50% DMF)
Use: In histochemical staining, in blue-white selection of bacterial colonies with lacZ gene activity during cloning experiments.