Soluzioni volumetriche e indicatori analitici
Le soluzioni volumetriche analitiche e gli indicatori sono standard di riferimento essenziali utilizzati in analisi chimiche precise e procedure di laboratorio. Queste soluzioni assicurano accuratezza nelle misurazioni quantitative, svolgendo un ruolo cruciale in spettroscopia, cromatografia liquida ad alte prestazioni (HPLC) e cromatografia a gas. Sono fondamentali in vari campi, tra cui biochimica, biologia cellulare e molecolare e scienza dei materiali. I componenti chiave includono acidi, reagenti sintetici e una varietà di Building Blocks organici, come carbonili e composti eterociclici. Questi standard sono vitali per garantire la conformità alle normative ambientali e il controllo di qualità farmaceutico. Inoltre, supportano applicazioni di ricerca avanzata in aree come la spettroscopia NMR, la sintesi di peptidi e lo sviluppo di ingredienti farmaceutici attivi (API). L'affidabilità e la precisione fornite da queste soluzioni volumetriche e indicatori sono indispensabili per la ricerca scientifica e le applicazioni industriali, garantendo la validità e la riproducibilità dei risultati sperimentali.
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Sodium thiosulfate solution
CAS:Formula:Na2O3S2Colore e forma:Clear, colourless liquidPeso molecolare:158.10Thioacetamide
CAS:Formula:C2H5NSPurezza:≥ 99.0%Colore e forma:White, off-white or faint yellow or beige crystalline powder or crystalsPeso molecolare:75.13Tetramethylrhodamine isothiocyanate, mixed isomers
CAS:Formula:C25H21N3O3SPurezza:≥ 90.0%Colore e forma:Red to dark purple crystalline powderPeso molecolare:443.522,3-Butanedione monoxime
CAS:Formula:C4H7NO2Purezza:≥ 97.0%Colore e forma:White to light-tan crystalline powderPeso molecolare:101.11Potassium bromide, BP, Ph. Eur. grade
CAS:Formula:KBrPurezza:(Titration) 98.0 - 100.5 % (dried substance)Colore e forma:Colourless crystals or white crystalline powderPeso molecolare:119.01Sodium chloride
CAS:Formula:NaClPurezza:≥ 99.9% (dried basis)Colore e forma:White crystalline powderPeso molecolare:58.44Dansyl chloride, 99%
CAS:Formula:C12H12ClNO2SPurezza:≥ 99.0%Colore e forma:Yellow to light-orange powderPeso molecolare:269.752,3,5-Triphenyltetrazolium chloride, 99%, for analysis
CAS:Formula:C19H15ClN4Purezza:99.0 - 101.0 %Colore e forma:White to faint yellow powderPeso molecolare:334.81Silver nitrate, 99.9%+ AR grade
CAS:Formula:AgNO3Purezza:≥ 99.9%Colore e forma:White crystals or crystalline powderPeso molecolare:169.88Formalin, 10% solution, neutral buffered with 0.03% Eosin
Colore e forma:Clear, pink liquidPeso molecolare:-2,3,5-Triphenyltetrazolium chloride, 99%
CAS:Formula:C19H15ClN4Purezza:≥ 99.0% (dried basis)Colore e forma:White to faint yellow powderPeso molecolare:334.81Potassium carbonate, anhydrous
CAS:Formula:CK2O3Purezza:≥ 99.5%Colore e forma:White powderPeso molecolare:138.21Periodic acid, 0.1% solution in water
CAS:Formula:H5IO6Colore e forma:Clear, colourless liquidPeso molecolare:227.94Silver nitrate
CAS:Formula:AgNO3Purezza:≥ 99.8%Colore e forma:White crystals or crystalline powderPeso molecolare:169.88Acetone, 99.8%, for analysis
CAS:Prodotto controllatoFormula:C3H6OPurezza:≥ 99.8%Colore e forma:Clear, colourless liquidPeso molecolare:58.08Sodium gluconate, USP grade
CAS:Formula:C6H11NaO7Purezza:98.0 - 102.0 %Colore e forma:White or almost white crystalline powderPeso molecolare:218.134-(Dimethylamino)benzaldehyde, 98%
CAS:Formula:C9H11NOPurezza:≥ 98.0%Colore e forma:Off-white to light-yellow or beige crystalline powder, chunks or flakesPeso molecolare:149.19Bromophenol Blue (Technical Grade)
CAS:<p>Applications Bromophenol Blue is an electrophoresis tracking dye also used as an acid-base indicator. Dyes and metabolites.<br></p>Formula:C19H10Br4O5SColore e forma:NeatPeso molecolare:669.96N-(n-Butyl)deoxygalactonojirimycin
CAS:Prodotto controllato<p>Applications N-(n-Butyl)deoxygalactonojirimycin is an extremely potent and selective a-D-galactosidase inhibitor. A selective inhibitior of GlcCer synthesis.<br>References Paulsen, H., et al.: Chem. Ber., 113, 2601 (1980), Daniel, P.F., et al.: Proc. Int. Carbo. Symp., 13th, Ithaca, NY, Abstr. C43 (1986), Platt, F.M., et al.: J. Biol. Chem., 269, 27108 (1994)<br></p>Formula:C10H21NO4Colore e forma:White SolidPeso molecolare:219.281-(2-pyridin-2-yldisulfanyl)ethyl)-1,4,7,10-tetraazacyclododecane (TETAC) Dihydrochloride Salt
CAS:Prodotto controllato<p>Applications 1-(2-pyridin-2-yldisulfanyl)ethyl)-1,4,7,10-tetraazacyclododecane (TETAC) Dihydrochloride Salt is a cyclen based compound used in paramagnetic NMR studies.<br>References Sengupta, I. et al.: J. Biomol. NMR. et al.: 61, 1 (2015)<br></p>Formula:C15H27N5S2·2HClColore e forma:Off White SolidPeso molecolare:414.46EDDHA
CAS:<p>Stability Hygroscopic<br>Applications EDDHA is used as an inorganic fertilizer.<br>References Kalantari, S.et al.: Comm. Soil Sci. Plant Anal., 42, 123 (2011); Albano, J. et al.: HortSci., 47, 269 (2012);<br></p>Formula:C18H20N2O6Colore e forma:White To Light BrownPeso molecolare:360.364-Nitroguaiacol
CAS:Prodotto controllato<p>Applications 4-Nitroguaiacol (cas# 3251-56-7) is a compound useful in organic synthesis. Dyes and metabolites.<br>References Conn, H., et al.: J. Bacteriol.,54, 291(1947), Schleifer, K., et al.: Bacteriol. Rev., 36, 407 (1972), Collins, M., et al.: J. Gen. Microbiol., 100, 221(1977), Schleifer, K., et al.: Methods Microbiol., 18, 123 (1985),<br></p>Formula:C7H7NO4Colore e forma:NeatPeso molecolare:169.13Brilliant Blue G (Technical Grade)
CAS:<p>Applications Brilliant Blue G is a commonly used analytical biochemistry dye and P2X7 antagonist.<br></p>Formula:C47H49N3O7S2·NaColore e forma:NeatPeso molecolare:855.03Aluminum Oxide (Activated, Neutral, Brockmann I)
CAS:<p>Applications Aluminum Oxide can be used in refractories, ceramics, polishing, filler for plastics, abrasive, ingredient in sunscreen and cosmetics. Aluminum oxide has been used to fabricate nanoporous layers, which can be used as nanochannels in the study of enzyme activity among other uses.<br>References Shangguan, L., et. al.: Chem Commun., 53, 18 (2017); Jeong, C., et. al.: Langmuir, 31, 40 (2015)<br></p>Formula:Al2O3Colore e forma:White To Off-WhitePeso molecolare:101.96(2-Pyridyl)dithiobimane
CAS:Prodotto controllato<p>Stability Light Sensitive<br>Applications A fluorescent sulfhydryl active reagent.<br></p>Formula:C15H15N3O2S2Colore e forma:NeatPeso molecolare:333.432,3,5-Triphenyl-2H-tetrazolium Chloride
CAS:<p>Stability Light Sensitive<br>Applications 2,3,5-Triphenyl-2H-tetrazolium chloride is used as a dye in cell biological studies.<br>References Berridge, M.V. et al.: Biotech. Annu. Rev., 11, 127 (2005);<br></p>Formula:C19H15ClN4Colore e forma:Off White SolidPeso molecolare:334.84-Bromo-(1-oxyl-2,2,5,5-tetramethyl-∆3-pyrroline-3-methyl) Methanethiosulfonate
CAS:Prodotto controllato<p>Applications The Bromo-analogue of MTSL, a highly reactive thiol-specific spin-label. A specific conformational probe of thiol site structure by virtue of its minimal rotational freedom and distance from the covalent disulfide linkage to the macromolecule under study.<br>References Berliner, L.J., et al.: Analytical Biochemistry, 119, 450 (1982)<br></p>Formula:C10H17BrNO3S2Colore e forma:NeatPeso molecolare:343.28NTA-FITC (90%)
CAS:Prodotto controllato<p>Stability Light Sensitive, Hygroscopic<br>Applications A fluorescent reagent for the detection of proteins having Histidine-tag (his-tag).<br>References Amano, H., et al.: Analytical Sciences, 17, Supplement, i1469 (2001)<br></p>Formula:C31H29N3O11SPurezza:90%Colore e forma:NeatPeso molecolare:651.641,3-Bis(trimethylsilyl)urea
CAS:Prodotto controllato<p>Applications 1,3-Bis(trimethylsilyl)urea (cas# 18297-63-7) is a useful research chemical.<br></p>Formula:C7H20N2OSi2Purezza:>85%Colore e forma:NeatPeso molecolare:204.42Bromocresol Green
CAS:Prodotto controllato<p>Applications Bromocresol Green is a tracking dye for gel electrophoresis. Bromocresol Green is used as a pH indicator and as a tracking dye for DNA agarose gel electrophoresis.An organic dye used in the spectrophotometric detection of total protein in biological fluids. Dyes and metabolites.<br>References Anisimovich, P. V., et al.: J. Anal. Chem., 72, 1212-1218 (2017)<br></p>Formula:C21H14Br4O5SColore e forma:NeatPeso molecolare:698.013-Methoxycarbonyl-2,2,5,5-tetramethyl-3-pyrrolidin-1-oxyl
CAS:Prodotto controllato<p>Applications A spin label.<br></p>Formula:C10H18NO3Colore e forma:NeatPeso molecolare:200.252-Aminopyridine
CAS:Prodotto controllatoFormula:C5H6N2Colore e forma:White To BeigePeso molecolare:94.112,2,4,4,6,6-Hexakis(2,2,3,3,4,4-hexafluorobutoxy)-2,2,4,4,6,6-hexahydro-1,3,5,2,4,6-Triazatriphosphorine
CAS:Formula:C24H18F36N3O6P3Colore e forma:ColourlessPeso molecolare:1221.28Hexakis(1H,1H,6H-Decafluorohexanoxy)phosphazene
CAS:Prodotto controllatoFormula:C36H18F60N3O6P3Colore e forma:NeatPeso molecolare:1821.37Sodium Metatungstate Hydrate
CAS:Prodotto controllato<p>Applications Sodium Metatungstate Hydrate is a derivative of Sodium Tungstate (S673800), a potential therapy for obesity. Sodium tungstate dihydrate is also an inhibitor of acid phosphatases.<br>References Claret, M., et al.: Endocrinology, 146 4362 (2005); Stankiewicz, P. & Gresser, M.: Biochemistry, 27, 206 (1988)<br></p>Formula:O39Na6W12•H2OColore e forma:NeatPeso molecolare:2986.01Fast Blue B Salt
CAS:<p>Applications Fast Blue B Salt is a stain that is used for the determination of various compounds. It has been used to demonstrate esterase activity. Histochemically it has stained enterochromaffin cells and cells that have gone under free radical oxidative damage. It can be used as reactant/reagent in one pot preparation of phenanthroline-based shape-persistent fluorescent macrocycle using Sonogashira coupling. Dyes and metabolites.<br>References Nadeem, S., et al.: Lett Org Chem, 12, 504 (2015)<br></p>Formula:C14H12N4O2·Cl4ZnColore e forma:Yellow To Dark BrownPeso molecolare:475.49(N-Succinimidyloxycarbonyl-methyl)tris(2,4,6-trimethoxyphenyl)phosphonium Bromide
CAS:Prodotto controllato<p>Applications A reagent for modifying N-terminal of peptides for fast atom bombardment, FAB or matrix assisted laser desorption/ionization MS, MALDI MS. Used in protein sequencing (by MALDIMS).<br>References Huang, Z., et al.: Anal. Biochem., 69, 137 (1997)<br></p>Formula:C33H39NO13P·BrColore e forma:NeatPeso molecolare:768.54α,α-Bis[4-(dimethylamino)phenyl]-4-(phenylamino)-1-naphthalenemethanol ( Technical Grade)
CAS:Formula:C33H33N3OColore e forma:Dark Red To BlackPeso molecolare:487.63Aluminum Oxide (Activated, Basic, Brockmann I)
CAS:Formula:Al2O3Colore e forma:WhitePeso molecolare:101.96Quercitrin
CAS:Prodotto controllato<p>Stability Hygroscopic<br>Applications Quercitrin is known as an bio flavonoid antioxidant and was investigated extensively in its antioxidant potential in streptrozotocin (STZ)-induced diabetic rats. Quercitrin is also a constituent of the dye quercitron. Quercitrin can be found in Tartary buckwheat and in oaks species such as white oak or European red oak.<br>References Babujanarthanam, R., et al.: Mol. Cell. Biochem. 358, 121 (2011); Sanders, R.A., et al.: J. Biochem. Mol. Toxicol.,15, 143 (2001); Pavlisic, B., et al.: Tekstilec., 54, 69 (2011);<br></p>Formula:C21H20O11Colore e forma:Light Yellow To Dark YellowPeso molecolare:448.382-Hydroxypropyl-β-cyclodextrin
CAS:Prodotto controllato<p>Applications 2-Hydroxypropyl-β-cyclodextrin (HBC) is a widely used modified cyclodextrin, the lipophilic cavity formed by 7 glucose units. Drug solubility in water is greatly enhanced by complexing with 2-Hydroxypropyl-β-cyclodextrin. The number of 2-hydroxypropyl ranges from 5 to 14.<br>References Pitha, J. et al.: Int. J. Pharmacol., 29, 73 (1986); Frijink, H.W. et al.: Pharm. Res., 8, 380 (1991);<br></p>Formula:(C6H10O5)n(C3H6O)Colore e forma:Neat2,3-Naphthalenedicarboxylic Anhydride
CAS:Formula:C12H6O3Purezza:>95.0%(GC)(T)Colore e forma:White to Gray to Brown powder to crystalPeso molecolare:198.18Variamine Blue B Sulfate (=4-Amino-4'-methoxydiphenylamine Sulfate) [for Iron-Titration]
CAS:Formula:C13H14N2O·H2SO4Purezza:>97.0%(N)Colore e forma:Gray to Dark blue to Black powder to crystalPeso molecolare:312.342,6-Di-O-methyl-β-cyclodextrin
CAS:Formula:C56H98O35Purezza:>95.0%(HPLC)Colore e forma:White to Light yellow powder to crystalPeso molecolare:1,331.37α-Naphtholphthalein
CAS:Formula:C28H18O4Purezza:>98.0%(HPLC)Colore e forma:White to Brown powder to crystalPeso molecolare:418.45Indocyanine Green
CAS:Formula:C43H47N2NaO6S2Colore e forma:Light yellow to Amber to Dark green powder to crystalPeso molecolare:774.97Arsenazo III [Spectrophotometric reagent for U, Th, Zr and other metals, Indicator for the precipitation titration of SO4 with Ba]
CAS:Formula:C22H18As2N4O14S2Purezza:>90.0%(T)Colore e forma:Dark green to Dark red to Black powder to crystalinePeso molecolare:776.36N-Methylbis(trifluoroacetamide) [Trifluoroacylating Agent]
CAS:Formula:C5H3F6NO2Purezza:>97.0%(GC)Colore e forma:Colorless to Light yellow clear liquidPeso molecolare:223.07
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