42035 Results for: "Chem Impex International"
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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Cefsulodin sodium salt hydrate ≥98% (by HPLC) USP
Supplier: Chem Impex International
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Na-Boc-Nin-formyl-L-tryptophan 4-oxymethylphenylacetamidomethyl resin 0.7 meq/g
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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2,5-Dichloroisonicotinic acid ≥95% (by HPLC), Powder
Supplier: Chem Impex International
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5(6)-Carboxyfluorescein N-hydroxysuccinimide ester (5/6-FAM SE)
Supplier: Chem Impex International
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Bovine alpha-Chymotrypsin (from Pancreas)
Supplier: Chem Impex International
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1,3-benzothiazol-5-amine ≥97% (by HPLC), Powder
Supplier: Chem Impex International
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Uridine-5'-diphosphoglucuronic acid trisodium salt ≥98% (by HPLC)
Supplier: Chem Impex International
Synonyms: UDPGA·3Na
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Rifampicin 97.0-103.0% (by HPLC)
Supplier: Chem Impex International
This Rifampicin inhibits the assembly of D and protein into mature virus particles.
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3-[(2-Aminoethyl)dithio]propionic acid hydrochloride (AEDP-HCl) ≥98% (by NMR)
Supplier: Chem Impex International
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N-Boc-L-alanine ≥98% (by HPLC), white to off-white powder
Supplier: Chem Impex International
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Neomycin trisulfate salt hydrate, ≥ 600 mg/mg (dry basis) USP
Supplier: Chem Impex International
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2-Fluoro-L-phenylalanine methyl ester hydrochloride ≥99% (by HPLC)
Supplier: Chem Impex International
Synonyms: L-Phe(2-F)-OMe·HCl, o-Fluoro-L-Phe-OMe·HCl, (S)-2-amino-3-(2-fluorophenyl) propionic acid.
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(Benzotriazol-1-yloxy)tri(1-pyrrolidinyl)phosphonium hexafluorophosphate (PyBOP) ≥99% (by GC), Powder
Supplier: Chem Impex International
One of the most convenient coupling reagents for peptide synthesis without carcinogenic by-products. It replaces BOP reagent. This is especially suitable for solid-phase peptide synthesis, avoids racemization.
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Lead(II) acetate trihydrate 99.0-103.0% (by titrimetric analysis) ACS
Supplier: Chem Impex International
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HATU (O-(7-Aza-1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate) ≥99% (by HPLC), Powder
Supplier: Chem Impex International
Recent studies show that crystal as well as solution structure of this coupling agent is a guanidinium N-oxide and not an uronium compound.
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Sodium amide ≥98% (by titrimetric analysis)
Supplier: Chem Impex International
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L(+)-Potassium sodium tartrate tetrahydrate, crystalline powder ACS
Supplier: Chem Impex International