42035 Results for: "Chem Impex International"
Cefsulodin sodium salt hydrate ≥98% (by HPLC) USP
Supplier: Chem Impex International
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1,8-Diazabicyclo[5.4.0]undec-7-ene 99% (by GC)
Supplier: Chem Impex International
DBU is used in organic synthesis as a catalyst, a complexing ligand, and a non-nucleophilic base.
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Fusidic acid 97.5-101.0% (by anhydrous basis), Powder
Supplier: Chem Impex International
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4-Methylumbelliferyl-β-D-xylopyranoside ≥98% (by HPLC)
Supplier: Chem Impex International
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Acridine yellow G ≥90% (Dy basis) CI 46025
Supplier: Chem Impex International
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2-Amino-3-chloropyridine ≥98% (by HPLC), Powder
Supplier: Chem Impex International
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Picric acid, (∼30% H₂O) ≥99% (by GC) ACS
Supplier: Chem Impex International
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Urea 99.0-100.5% (by titrimetric analysis), prilled USP
Supplier: Chem Impex International
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L(+)-Arabinose ≥99%, powder
Supplier: Chem Impex International
L-(+)-Arabinose is used as a one-way or reversible switch for protein expression and also to make arabinosyl nucleosides.
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Fmoc-3-(trifluoromethyl)-L-phenylalanine ≥99% (by HPLC)
Supplier: Chem Impex International
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HEPES-2-[4-(2-Hydroxyethyl)-1-piperazinyl]-ethanesulfonic acid ≥99.5% (by titrimetric analysis on dry substance), white powder
Supplier: Chem Impex International
HEPES is used as a hydrogen ion buffer, which can control the constant pH range for long term.
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α-D-Lactose monohydrate ≥97%, powder ACS
Supplier: Chem Impex International
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Di[tris(hydroxymethyl)aminomethane] carbonate (TRIS carbonate) ≥99%
Supplier: Chem Impex International
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4-Bromobiphenyl (PBB No. 3) ≥99%, crystals
Supplier: Chem Impex International
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Inosine 5'-monophosphate disodium salt hydrate ≥98% (by HPLC), crystalline powder
Supplier: Chem Impex International
Synonyms: 5'-IMP·2Na·H2O 5'-Inosinic acid disodium salt hydrate
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(S)-(-)-3-Acetylthio-2-methylpropionic acid ≥ ee 99% (by GC), liquid
Supplier: Chem Impex International
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α-D-Glucose-1-phosphate disodium salt tetrahydrate ≥99% (by enzymatic purity)
Supplier: Chem Impex International
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Lys-Lys-Lys-OH·AcOH
Supplier: Chem Impex International
Synonyms: H-Lys-Lys-Lys-OH acetate salt
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1-Boc-piperidin-4-ylboronic acid pinacol ester ≥95%
Supplier: Chem Impex International
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ABTS (Diammonium 2,2'-azinobis[3-ethyl-2,3-dihydrobenzothiazole-6-sulfonate]) ≥98% (by HPLC), light green powder
Supplier: Chem Impex International
MDL: MFCD00010404 Cas: 30931-67-0
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Chloromethyl polystyrene resin, 1.2-1.4 meq/g
Supplier: Chem Impex International
Chloromethyl polystyrene and styrene monomers are copolymerized in order to obtain the Merrifield resin. This method avoids the use of carcinogenic chloromethyl methyl ether. This resin is used in the synthesis of peptide acids using Boc strategy and can be cleaved using HF or TFMSA. Different Boc protected amino acids attached to this resin are also available from stock. Please inquire.
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1,1,1,3,3,3-Hexafluoro-2-propanol ≥99% (by GC)
Supplier: Chem Impex International
It is used as a polar solvent and exhibits strong hydrogen bonding properties. It dissolves substances that are hydrogen-bond acceptors.
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L(-)-Tryptophan ≥99%, crystalline powder
Supplier: Chem Impex International