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42035 results for "Chem Impex International"

42035 Results for: "Chem Impex International"

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2,3-Dichloro-5,6-dicyano-p-benzoquinone ≥98.5%, yellow crystalline powder

Supplier: Chem Impex International

2,3-Dichloro-5,6-dicyano-1,4-benzoquinone is used as an oxidant for the dehydrogenation of alcohol, phenol, steroid ketones and in the synthesis of quinolines from imines and alkynes or alkenes. It is a deprotection reagent for thioacetals, acetals and ketals.

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Boc-Val-Gly-OH

Supplier: Chem Impex International

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Piperidine 99

Piperidine 99

Supplier: Chem Impex International

Piperidine 99

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Tetrakis(triphenylphosphine)palladium(0) ≥ 99.5% (≥ 9% Pd, Assay)

Supplier: Chem Impex International

Pd(PPh3)4 is widely used as a catalyst for palladium-catalyzed coupling reactions.

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1,1'-Carbonyldiimidazole ≥98%, white to off-white powder

Supplier: Chem Impex International

1,1'-Carbonyldiimidazole is mainly employed to convert alcohols and amines into carbamates, esters, and ureas. It is also used in the synthesis of peptides and nucleoside triphosphates.

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Chloromethylated polystyrene 0.3 - 0.8 meq/g, granules

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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4-((Dimethylamino)methyl)aniline ≥97%

Supplier: Chem Impex International

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N-(2-Chlorotrityl resin)-L-isoleucine benzotriazolyl ester 0.25 - 0.80 meq/g
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Fmoc-Lys(biotinyl-ε-aminocaproyl)-OH ≥99%

Fmoc-Lys(biotinyl-ε-aminocaproyl)-OH ≥99%

Supplier: Chem Impex International

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Bisacrylamide ≥99.5% conductivity ≤ 10 µmho/cm for electrophoresis

Supplier: Chem Impex International

Suitable for electrophoresis.

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Triethanolamine (trolamine) ≥99.5% (by GC)

Supplier: Chem Impex International

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Pro-Hyp-OH

Supplier: Chem Impex International

Pro-Hyp-OH

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2-Chloro-6-(trichloromethyl)pyridine 99

Supplier: Chem Impex International

2-Chloro-6-(trichloromethyl)pyridine 99

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Chloromethylated polystyrene 1,2 - 1,4 meq/g, granules

Chloromethylated polystyrene 1,2 - 1,4 meq/g, granules

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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Carbenicillin disodium salt, ≥ 770 mcg/mg USP

Supplier: Chem Impex International

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2,2,6,6-Tetramethylpiperidine ≥99%, liquid

Supplier: Chem Impex International

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Chloromethylated polystyrene ≥1.20 meq/g, granules

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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Tris(dibenzylideneacetone)dipalladium(0) ≥97.0% (carbon basis)

Supplier: Chem Impex International

Catalyst for stille reactions of support bound stannane.

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Potassium chloride 99.0-100.5% (by titrimetric analysis) USP

Supplier: Chem Impex International

Used in nutrient, gelling agent, salt substitute and yeast food.

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Trifluoroacetic acid ≥99.9%

Trifluoroacetic acid ≥99.9%

Supplier: Chem Impex International

Suitable for peptide and protein synthesis.

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