Chemicals Reagents X
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Xylene Cyanol
G-BiosciencesA colour marker to monitor the process of agarose gel electrophoresis and polyacrylamide gel electrophoresis. Bromophenol blue and orange G can also be used for this purpose. In 1% agarose gels, Xylene cyanol typically migrates at about the same rate as a 4000 base pair DNA fragment. Xylene…
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o-Xylylene dichloride, 98%
Thermo Scientific ChemicalsSynonym(s): 1,2-Bis(chloromethyl)benzene, alpha,alpha'-Dichloro-o-xylene Formula: C8H8Cl2 Formula weight: 175.06 Purity: 98% CAS Number: 612-12-4 UN Number: UN2928 Hazard Class: 6.1 Packing Group: II Harmonized Tariff Code: 2903.99 Hazard Statements: H330-H314-H318-H302…
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Xylene Substitute
MilliporeSigmaEC Number: 265-068-8 General Description Non-toxic xylene replacement. Compatible with all tissue processors. May not be compatible with all permanent mounting medias.
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X-Gal
ACTGene, Inc.X-Gal is a chromogenic substrate of b-Galactosidase. It is used in conjunction with IPTG for detection of b-Galactosidase activity in bacterial colonies in a colorimetric assay to detect recombinants (white) from non-recombinants (blue). X-Gal is cleaved at the b 1-4 bond between galactose and the…
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ALDRICH Xanthydrol, 98%
MilliporeSigmaSynonym(s): 9-Hydroxyxanthene; 9-Xanthenol Formula: C13H10O2 Formula Weight: 198.22 CAS No.: 90-46-0 Purity: 98% Storage: 2-8°C Packaging: 5, 25 g in glass bottle
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Xanthan from Xanthomonas campestris
MilliporeSigmaSynonyms: Xanthan gum from Xanthomonas campestris; Gum xanthan MDL Number: MFCD00131256 Application: Xanthan gum is an anionic polysaccharide composed of a ß-(1?4)-D-glucopyranose glucan backbone with side chains of (1?3)-a-D-mannopyranose-(2?1)-ß-D-glucuronic acid-(4?1)-ß-D-mannopyranose…
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o-Xylylene dibromide, 97%
Thermo Scientific ChemicalsSynonym(s): 1,2-Bis(bromomethyl)benzene, alpha,alpha'-Dibromo-o-xylene Formula: C8H8Br2 Formula weight: 263.96 Purity: 97% CAS Number: 91-13-4 UN Number: UN3261 Hazard Class: 8 Packing Group: II Harmonized Tariff Code: 2903.99 Hazard Statements: H314-H318 Causes severe…
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Xanthydrol, 98+%
Thermo Scientific ChemicalsSynonym(s): 9-Hydroxyxanthene, 9-Xanthenol Formula: C13H10O2 Formula weight: 198.22 Purity: 98+% CAS Number: 90-46-0 Harmonized Tariff Code: 2932.99
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Synonym(s): 1,4-β-D-Xylanxylanohydrolase; endo-1,4-β-Xylanase MDL Number: MFCD00132594 Storage: 2-8°C
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Xylene Cyanol FF for molecular biology, BioReagent
MilliporeSigmaSynonym: Acid blue 147, Cyanol FF, XC CAS Number: 2650-17-1 Empirical Formula (Hill Notation): C25H27N2NaO6S2 Molecular Weight: 538.61 Color Index Number: 42135 EC Number: 220-167-5 MDL Number: …
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Xylenes, Histological Grade
Spectrum ChemicalGrade: Histological Grade CAS No.: 1330-20-7 UN No.: UN1307 Class: 3 Pkg. Group: PG III
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XLD Agar
BDDescription: Selective differential medium for the isolation of Shigella and Providencia from stools
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XPhos Pd G1
MilliporeSigmaMaterial may contain up to 5% pentane Synonyms: (2-Dicyclohexylphosphino-2',4',6'-triisopropyl-1,1'-biphenyl)[2-(2-aminoethyl)phenyl)]palladium(II) chloride; (XPhos) palladium(II) phenethylamine chloride;…
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Xylene, Scintillation Grade, 4 Liter Bottle
RPI (Research Products International)WARNING! This product can expose you to Ethyl benzene, a chemical which is known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.
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SUPELCO Xylitol, analytical standard
MilliporeSigmaSynonyms: Xylite Formula: HOCH2[CH(OH)]3CH2OH Formula Weight: 152.15 CAS No.: 87-99-0
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Xylenes, ACS, 98.5+% (Assay, isomers plus ethylbenzene)
Thermo Scientific ChemicalsFormula: (CH3)2C6H4 Formula weight: 106.17 Purity: 98.5+% (Assay, isomers plus ethylbenzene) CAS Number: 1330-20-7 UN Number: UN1307 Hazard Class: 3 Packing Group: III Harmonized Tariff Code: 2902.44 Hazard Statements: H226-H312-H332-H315 Flammable liquid and vapour.…
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Xanthine =99.5% (HPLC), purified by recrystallization
MilliporeSigmaSynonym: 2,6-Dihydroxypurine CAS Number: 69-89-6 Empirical Formula (Hill Notation): C5H4N4O2 Molecular Weight: 152.11 Beilstein Registry Number: 8733 EC Number: 200-718-6 MDL Number: MFCD00078453 PubChem…
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Pharmaceutical secondary standards for application in quality control provide pharma laboratories and manufacturers with a convenient and cost-effective alternative to the preparation of in-house working standards Synonyms: Xylometazoline hydrochloride;…
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Synonyms: Acid blue 147Cyanol FFCI 42135 Grade: For Molecular Biology, Bior Purity Limit: Dye Content: ≥ 75% CAS No.: 2650-17-1 Molecular Formula: C25H27N2O6S2Na Molecular Weight: 538.62 MDL No.: MFCD00040657 Appearance: Green to dark green crystalline powder Comments: …
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Xanthanoic acid
MilliporeSigmaUnited States Pharmacopeia (USP) Reference Standard Synonym(s): Xanthene-9-carboxylic acid Empirical Formula: C14H10O3 Formula Weight: 226.23 Linear Formula: C14H10O3 MDL Number: MFCD00005059 Melting Point: …
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Synonym(s): XOD; Xanthine:oxygen oxidoreductase MDL Number: MFCD00082145 Storage: −20°C
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Xanthydrol
MilliporeSigmafor the detection of urea, ≥99.0% (HPLC) Synonym(s): 9-Hydroxyxanthene; 9-Xanthenol Empirical Formula: C13H10O2 Formula Weight: 198.22 Linear Formula: C13H10O2 MDL Number: MFCD00005057 Purity: …
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Synonym(s): XO Activity Assay Kit Storage: −20°C
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Xylitol, 99%
Thermo Scientific ChemicalsFormula: C5H12O5 Formula weight: 152.15 Purity: 99% CAS Number: 87-99-0 Harmonized Tariff Code: 2940.00
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Xylitol
MilliporeSigmaUnited States Pharmacopeia (USP) Reference Standard Synonym(s): Xylite Empirical Formula: C5H12O5 Formula Weight: 152.15 Linear Formula: HOCH2[CH(OH)]3CH2OH MDL Number: MFCD00064292 Melting Point: …
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Xylose United States Pharmacopeia (USP) Reference Standard
MilliporeSigmaThis product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets have been developed and issued under the Authority of the issuing Pharmacopoeia.For further information and…
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Xylitol
MilliporeSigmapharmaceutical secondary standard; traceable to USP and PhEur Synonym(s): Xylite Empirical Formula: C5H12O5 Formula Weight: 152.15 Linear Formula: HOCH2[CH(OH)]3CH2OH MDL Number: MFCD00064292 Melting Point: …
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m-Xylene, anhydrous, =99%
MilliporeSigmaSynonyms: 1,3-Dimethylbenzene Formula: C6H4(CH3)2 Formula Weight: 106.17 CAS No.: 108-38-3 Purity: ≥99% Density: 0.868 g/mL at 25 °C(lit.) Packaging: 1, 2, 4 x 2 L in Sure/Seal™ Packaging: 100 mL in Sure/Seal™
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ROCHE Xanthine Oxidase (XOD), from cow milk
MilliporeSigmaSpecific Activity: ~1 units/mg protein (At 25 °C with xanthine as the substrate.) UNSPSC Code: 12352204 RIDADR: NONH for all modes of transport Application: Xanthine Oxidase has been used to study tyrosine nitration. Biochem/physiol Actions: Xanthine Oxidase (XOD)…
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XPhos-Pd-G2 GT capsule
MilliporeSigmaMolecular Formula: C45H59ClNPPd Molecular Weight: 786.8 Linear Structural Formula: C45H59ClNPPd Application: Convenient dosable form of XPhos-Pd-G2
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Xylene, Scintillation Grade, 4 Liter Bottles, 4 Bottles per Case
RPI (Research Products International)WARNING! This product can expose you to Ethyl benzene, a chemical which is known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.
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Xylene Cyanol FF ; Dye Content: >/= 90% (TiCl titration)
AFG BioscienceSynonyms: Acid Blue 147 CI No 43535 Purity Limit: Dye Content: ≥ 90% (TiCl titration) CAS No.: 4463-44-9 Molecular Formula: C25H27N2O7S2Na Molecular Weight: 554.62 MDL No.: MFCD00019481 Appearance: Dark blue to dark green powder Storage Temperature: Store at RT