Chemicals Reagents X
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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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m-Xylylenediamine, 0.99
MilliporeSigmaSynonyms: 1,3-Bis(aminomethyl)benzene; alpha,alpha'-Diamino-m-xylene CAS Number: 1477-55-0 Formula: C8H12N2 Formula Weight: 136.19 Linear Formula: C6H4(CH2NH2)2 MDL No.: MFCD00008119 Purity: 0.99 Boiling Point: 265 C/745 mmHg(lit.) Density: 1.032 g/mL at 25 C(lit.) …
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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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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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(R)-Xyl-SDP(O)
MilliporeSigmaSynonyms: (R)-Xyl-SDP Oxide; [(1R)-7'-[Bis(3,5-dimethylphenyl)phosphino]-2,2',3,3'-tetrahydro-1,1'-spirobi[1H-inden]-7-yl]bis(3,5-dimethylphenyl)phosphine oxide Molecular Formula: C49H50OP2 Molecular Weight: 716.87 Linear Structural Formula: C49H50OP2 Purity: >=95% Storage: …
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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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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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Xmap Sheath Concentrate PLUS, RUO
MilliporeSigmaThe FLEXMAP 3D System(R), Luminex(R) 100, and Luminex 200(TM) Instruments require sheath fluid PLUS to serve as the delivery medium to transport the sample to the instrument's optics. Synonyms: 40-50000; 4050000; FLEXMAP 3D; FlexMAP; Luminex; SHEATHFLUID PLUS Concentrate; flexmap; lx100; lx200;…
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Xylenes, mixed, 97+%
Thermo Scientific ChemicalsSynonym(s): Dimethylbenzenes + ethylbenzene Formula: C8H10 Formula weight: 106.17 Purity: 97+% CAS Number: 1330-20-7 UN Number: UN1307 Hazard Class: 3 Packing Group: II Harmonized Tariff Code: 2902.44 Hazard Statements: H226-H312-H332-H315 Flammable liquid and vapour.…
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Synonym(s): Pentopan Mono BG ® MDL Number: MFCD00132594 Storage: 2-8°C
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X-34 >=90% (HPLC)
MilliporeSigmaSynonyms: 1,4-Bis(3-carboxy-4-hydroxyphenylethenyl)benzene Molecular Formula: C24H18O6 Molecular Weight: 402.4 Linear Structural Formula: C24H18O6 MDL Number: MFCD30474509 Purity: >=90% (HPLC) Storage: 2-8C Biochem Physiol Actions: X-34 is a fluorescent,…
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Storage: −20°C UNSPSC Code: 12352200 RIDADR: UN1170 - class 3 - PG 2 - Ethanol, solution Features and Benefits: X-tremeGENE HP DNA Transfection Reagent is a high performance reagent that transfects a broad range of eukaryotic cells, including insect cells and…
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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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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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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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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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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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D-(+)-Xylose, =99%
MilliporeSigmaFormula: C5H10O5 Formula Weight: 150.13 CAS No.: 58-86-6 Purity: ≥99% Quality: White to off-white. Packaging: 1 kg in poly bottle Packaging: 10 mg in autosample vial Packaging: 500 g in poly bottle
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Synonym(s): XO Activity Assay Kit Storage: −20°C
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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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o-Xylene, 99%
Thermo Scientific ChemicalsSynonym(s): 1,2-Dimethylbenzene Formula: C8H10 Formula weight: 106.17 Purity: 99% CAS Number: 95-47-6 UN Number: UN1307 Hazard Class: 3 Packing Group: II Harmonized Tariff Code: 2902.41 Hazard Statements: H226-H312-H332-H315 Flammable liquid and vapour. Harmful in…
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Xanthone, 99%
Thermo Scientific ChemicalsSynonym(s): Xanthen-9-one Formula: C13H8O2 Formula weight: 196.21 Purity: 99% CAS Number: 90-47-1 Harmonized Tariff Code: 2932.99
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XMD8-92 >=98% (HPLC)
MilliporeSigmaSynonyms: 2-((2-Ethoxy-4-(4-hydroxypiperidin-1-yl)phenyl)amino)-5,11-dimethyl-5Hbenzo[e]pyrimido[5,4-b][1,4]diazepin-6(11H)-one; 2-[[2-Ethoxy-4-(4-hydroxy-1-piperidinyl)phenyl]amino]-5,11-dihydro-5,11-dimethyl-6H-pyrimido[4,5-b][1,4]benzodiazepin-6-one Molecular Formula: C26H30N6O3 …
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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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XL413 hydrochloride >=98% (HPLC)
MilliporeSigmaSynonyms: (S)-8-Chloro-2-(pyrrolidin-2-yl)benzofuro[3,2-d]pyrimidin-4(3H)-one hydrochloride; BMS-863233; XL-413 Molecular Formula: C14H12ClN3O2 · xHCl Linear Structural Formula: C14H12ClN3O2 · xHCl Purity: >=98% (HPLC) Storage: -20C Biochem Physiol Actions: XL413 is a selective…
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SIAL Xylidyl blue I
MilliporeSigmaSynonym(s): 4-Hydroxy-3-[2-hydroxy-3-(2,4-dimethylphenylaminocarbonyl)-1-naphthylazobenzenesulfonic acid sodium salt; Magonsulfonate Empirical Formula: C25H20N3NaO6S Formula Weight: 513.50 Linear Formula: …
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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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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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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…