Chemicals Reagents X
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p-Xylene, anhydrous, =99%
MilliporeSigmaSynonyms: 1,4-Dimethylbenzene Formula: C6H4(CH3)2 Formula Weight: 106.17 CAS No.: 106-42-3 Purity: ≥99% Density: 0.861 g/mL at 20 °C(lit.) Packaging: 1, 2 L in Sure/Seal™ Packaging: 100 mL in Sure/Seal™
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XPhos Pd G4 95%
MilliporeSigmaMolecular Formula: C47H64NO3PPdS Molecular Weight: 860.47 Linear Structural Formula: C47H64NO3PPdS Purity: 95% Melting Point: 150 C Application: A powerful ligand for classic cross-coupling reactions combined with the Buchwald Fourth Generation Palladacycle. Bench stable,…
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Xanthine =99%
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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Synonym(s): XOD; Xanthine:oxygen oxidoreductase MDL Number: MFCD00082145 Storage: −20°C
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"o-Xylene, analytical standard"
MilliporeSigmaSynonyms: 1,2-Dimethylbenzene Formula: C6H4(CH3)2 Formula Weight: 106.17 CAS No.: 95-47-6 Purity: ≥99.5% (GC) Density: 0.879 g/mL at 20 °C(lit.)
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p-Xylylenediamine, 97%
Thermo Scientific ChemicalsSynonym(s): 1,4-Bis(aminomethyl)benzene, p-Phenylenebismethylamine Formula: C8H12N2 Formula weight: 136.20 Purity: 97% CAS Number: 539-48-0 UN Number: UN3259 Hazard Class: 8 Packing Group: II Harmonized Tariff Code: 2921.59 Hazard Statements: H314-H318 Causes severe…
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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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Xanthosine
MilliporeSigmaMolecular Formula: C10H12N4O6 Molecular Weight: 284.23 Linear Structural Formula: C10H12N4O6 MDL Number: MFCD00005726 Other Notes: Please note that Sigma-Aldrich provides this product to early discovery researchers as part of a collection of unique chemicals. Sigma-Aldrich does not…
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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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The β-glucuronidase substrate X-Gluc (5-bromo-4-chloro-3-indolyl-β-D-glucuronide) is a colorimetric stain for GUS activity, and is used to identify recombinants containing pBACgus vectors, and LIC GUS Control Insert. X-Gluc Solution is provided as a 20 mg/ml stock solution, ready for…
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Xylenol Orange tetrasodium salt, 0.1% w/v aq. soln.
Thermo Scientific ChemicalsFormula: C31H28N2Na4O13S Formula weight: 760.59 CAS Number: 3618-43-7 Harmonized Tariff Code: 2922.50
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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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SIGMA Xylazine >=99%
MilliporeSigmaSynonym(s): 2-(2,6-Dimethylphenylamino)-5,6-dihydro-4H-thiazine hydrochloride Empirical Formula: C12H16N2S Linear Formula: C12H16N2S Formula Weight: 220.33 MDL Number: MFCD00057908 Purity: ≥99% Storage: −20°C
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D-(+)-Xylose, BioXtra, =99%
MilliporeSigmaFormula: C5H10O5 Formula Weight: 150.13 CAS No.: 58-86-6 Purity: ≥99% Other Notes: Tandem Mass Spectrometry data independently generated by Scripps Center for Metabolomics is available to view or download in PDF. X3877.pdf Tested metabolites…
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Xylene (isomeric mixture) for histology
MilliporeSigmafor histology Melting Point: -25 C Density: 0.87 g/cm3 at 20 C Application: Histological and cytological grade solvent for tissue processing, deparaffinization, and clearing.
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Synonym(s): XO Activity Assay Kit Storage: −20°C
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p-Xylylene dibromide, 97%
Thermo Scientific ChemicalsSynonym(s): 1,4-Bis(bromomethyl)benzene, alpha,alpha'-Dibromo-p-xylene Formula: C8H8Br2 Formula weight: 263.96 Purity: 97% CAS Number: 623-24-5 UN Number: UN3261 Hazard Class: 8 Packing Group: II Harmonized Tariff Code: 2903.99 Hazard Statements: H314-H318 Causes…
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XTT sodium salt
Thermo Scientific ChemicalsSynonym(s): 2,3-Bis(2-methoxy-4-nitro-5-sulfophenyl)-2H-tetrazolium-5-carboxanilide inner salt Formula: C22H16N7NaO13S2 Formula weight: 673.52 CAS Number: 111072-31-2 Harmonized Tariff Code: 2933.99
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"p-Xylene, analytical standard"
MilliporeSigmaSynonyms: 1,4-Dimethylbenzene Formula: C6H4(CH3)2 Formula Weight: 106.17 CAS No.: 106-42-3 Purity: ≥99.5% (GC) Density: 0.861 g/mL at 20 °C(lit.) Packaging: 5, 50 mL in glass bottle
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Xylene, Reagent Grade, 4 Liter Bottle
RPI (Research Products International)Colorless liquid Flammable Flash Point: 29°C Boiling Point: 137-140°C 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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p-Xylene, for HPLC, =99%
MilliporeSigmaSynonyms: 1,4-Dimethylbenzene Formula: C6H4(CH3)2 Formula Weight: 106.17 CAS No.: 106-42-3 Purity: ≥99% Density: 0.861 g/mL at 20 °C(lit.) Packaging: 1, 2 L in glass bottle Packaging: 100 mL in…
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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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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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XLD Agar
BDDescription: Selective differential medium for the isolation of Shigella and Providencia from stools
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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 Substitute
MilliporeSigmapurum p.a., for microscopy Density: 0.75 g/mL at 20 °C Refractive Index: n 20/D 1.420 RIDADR: UN 3295 3/PG 3
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SIGMA XAV939 >=98% (HPLC)
MilliporeSigmaSynonym(s): 3,5,7,8-Tetrahydro-2-[4-(trifluoromethyl)phenyl]-4H-thiopyrano[4,3-d]pyrimidin-4-one Empirical Formula: C14H11F3N2OS Linear Formula: C14H11F3N2OS Formula Weight: 312.31 MDL Number: …
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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)…