Heterocyclic Building Blocks

1-Methyl-3-piperidinemethanol, 95%, ACROS Organics™

Chemical Name or Material: 1-Methyl-3-piperidinemethanol CAS: 7583-53-1 CAS Min %: 94.0 CAS Max %: 100.0 Assay Percent Range: 95% Molecular Formula: C7H15NO Formula Weight: 129.2

Alfa Aesar™ 2-Iodothiophene, 98%, stab. with copper

Chemical Name or Material: 2-Iodothiophene CAS: 3437-95-4 Name Note: stabilized with copper Molecular Formula: C4H3IS Formula Weight: 210.04 MDL Number: MFCD00005424 Beilstein: 104666 Synonym: 2-Thienyl iodide

Polyvinylpyrrolidone, average M.W. 1.300.000, K85-95, ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Polyvinylpyrrolidone Name Note: Average M.W. 1.300.000, K85-95 CAS: 9003-39-8 Assay: 12 to 12.8% (nitrogen) MDL Number: MFCD01076626 Synonym: PVP

Piperazine, 99%, extra pure, ACROS Organics™

Chemical Name or Material: Piperazine Name Note: anhydrous, 99% CAS: 110-85-0 Purity Grade: Extra Pure Assay: ≥98.5% Assay Percent Range: 99% Molecular Formula: C4H10N2 Formula Weight: 86.14 MDL Number: MFCD00005953

(S)-(+)-5-(Hydroxymethyl)-2-pyrrolidinone p-toluenesulfonate, 95%, ACROS Organics™

Chemical Name or Material: (S)-(+)-5-(Hydroxymethyl)-2-pyrrolidinone p-toluenesulfonate Name Note: 95% CAS: 51693-17-5 CAS Min %: 94.0 CAS Max %: 100.0 Assay: ≥94% Assay Percent Range: 95% Molecular Formula: C12H15NO4S Formula Weight: 269.31 MDL Number: MFCD00274229

Alfa Aesar™ 5,6,7-Trimethoxyflavone, 97%

Chemical Name or Material: 5,6,7-Trimethoxyflavone CAS: 973-67-1 Molecular Formula: C18H16O5 Formula Weight: 312.33 MDL Number: MFCD00017457 Synonym: Baicalein trimethyl ether

Alfa Aesar™ 5-(2-Methoxyphenyl)isoxazole, 95%

Chemical Name or Material: 5-(2-Methoxyphenyl)isoxazole Molecular Formula: C10H9NO2 Formula Weight: 175.19 MDL Number: MFCD05664749

Alfa Aesar™ 3-Methylquinoline, 98+%

Chemical Name or Material: 3-Methylquinoline CAS: 612-58-8 Molecular Formula: C10H9N Formula Weight: 143.19 MDL Number: MFCD00014661 Beilstein: 110325

Alfa Aesar™ Ethyl 4-methyl-2-(3-pyridyl)thiazole-5-carboxylate, 97%

Chemical Name or Material: Ethyl 4-methyl-2-(3-pyridyl)thiazole-5-carboxylate CAS: 39091-00-4 Molecular Formula: C12H12N2O2S Formula Weight: 248.3 MDL Number: MFCD01567252 Synonym: 4-Methyl-2-(3-pyridyl)thiazole-5-carboxylic acid ethyl ester

Alfa Aesar™ 1-Methylpiperidine, 99%

Chemical Name or Material: 1-Methylpiperidine CAS: 626-67-5 Molecular Formula: C6H13N Formula Weight: 99.18 MDL Number: MFCD00006491 UN Number: UN2399 Beilstein: 1073

Alfa Aesar™ 5-Bromo-7-azaindole, 96%

Chemical Name or Material: 5-Bromo-7-azaindole CAS: 183208-35-7 Molecular Formula: C7H5BrN2 Formula Weight: 197.04 MDL Number: MFCD06659677 Synonym: 5-Bromo-1H-pyrrolo[2,3-b]pyridine

Alfa Aesar™ 3-(5-Methyl-2-furyl)butyraldehyde, 99%

Chemical Name or Material: 3-(5-Methyl-2-furyl)butyraldehyde CAS: 31704-80-0 Molecular Formula: C9H12O2 Formula Weight: 152.19 MDL Number: MFCD00209519 UN Number: UN1989

Alfa Aesar™ 2-(1-Boc-4-piperidinyloxy)-N-methylacetamide, 96%

Chemical Name or Material: 2-(1-Boc-4-piperidinyloxy)-N-methylacetamide Molecular Formula: C13H24N2O4 Formula Weight: 272.35 MDL Number: MFCD17015029 Synonym: 4-(Methylcarbamoylmethoxy)piperidine-1-carboxylic acid tert-butyl ester

Alfa Aesar™ N-Acetylphthalimide, 97%

Chemical Name or Material: N-Acetylphthalimide CAS: 1971-49-9 Molecular Formula: C10H7NO3 Formula Weight: 189.17 MDL Number: MFCD00023054 Beilstein: 144637

Alfa Aesar™ 1-n-Butyl-4-methylpyridinium tetrafluoroborate, 99%

Chemical Name or Material: 1-n-Butyl-4-methylpyridinium tetrafluoroborate CAS: 343952-33-0 Molecular Formula: C10H16BF4N Formula Weight: 237.06 MDL Number: MFCD03095460 Synonym: 1-n-Butyl-4-picolinium tetrafluoroborate; 4MBPBF4

Alfa Aesar™ 1-Benzylindole, 97%

Chemical Name or Material: 1-Benzylindole CAS: 3377-71-7 Formula Weight: 207.27 MDL Number: MFCD00015884 Beilstein: 148884

Piperazine hexahydrate, 98%, ACROS Organics™

Chemical Name or Material: Piperazine hexahydrate Name Note: 98% CAS: 142-63-2 Assay: ≥97.5% Assay Percent Range: 98% Molecular Formula: C4H10N2·6H2O Formula Weight: 194.23 MDL Number: MFCD00149389

4-Piperidone monohydrate hydrochloride, 98%, ACROS Organics™

Chemical Name or Material: 4-Piperidone monohydrate hydrochloride CAS: 40064-34-4 CAS Min %: 97.5 CAS Max %: 100.0 Assay: ≥97.5% (on anhydrous substance) Assay Percent Range: 98% Molecular Formula: HCl·H2O Formula Weight: 153.61 MDL Number: MFCD00012776 Synonym: 4, 4-Piperidinediol hydrochloride

Alfa Aesar™ 5-Fluoro-2-methylindole, 95%

Chemical Name or Material: 5-Fluoro-2-methylindole CAS: 399-72-4 Formula Weight: 149.17 MDL Number: MFCD02093649 Beilstein: 116627

Alfa Aesar™ N-Boc-L-beta-prolinol, 97+%

Chemical Name or Material: N-Boc-L-beta-prolinol CAS: 199174-24-8 Molecular Formula: C10H19NO3 Formula Weight: 201.27 MDL Number: MFCD03094726 Synonym: (S)-1-Boc-3-pyrrolidinemethanol

1,3-Dimethyl-2-imidazolidinone, 98%, ACROS Organics™

Chemical Name or Material: 1, 3-Dimethyl-2-imidazolidinone Name Note: 98% CAS: 80-73-9 CAS Min %: 97.5 CAS Max %: 100.0 Assay: ≥97.5% Assay Percent Range: 98% Molecular Formula: C5H10N2O Formula Weight: 114.15 MDL Number: MFCD00003188 Synonym: DMEU

Alfa Aesar™ 3-Cyano-5-hydroxypyridine, 97%

Chemical Name or Material: 3-Cyano-5-hydroxypyridine CAS: 152803-24-2 Molecular Formula: C6H4N2O Formula Weight: 120.11 MDL Number: MFCD11044307 UN Number: UN3439

Alfa Aesar™ (+/-)-Piperazine-2-carboxylic acid dihydrochloride, 98%

Chemical Name or Material: (+/-)-Piperazine-2-carboxylic acid dihydrochloride CAS: 3022-15-9 Molecular Formula: C5H10N2O2·2HCl Formula Weight: 203.07 MDL Number: MFCD00044803

Alfa Aesar™ 1-Methylimidazole-4-sulfonyl chloride, 95%

Chemical Name or Material: 1-Methylimidazole-4-sulfonyl chloride CAS: 137049-00-4 Molecular Formula: C4H5ClN2O2S Formula Weight: 180.61 MDL Number: MFCD00068060 UN Number: UN3261

Alfa Aesar™ 3-Methylisoxazole-5-carboxylic acid, 97%

Chemical Name or Material: 3-Methylisoxazole-5-carboxylic acid CAS: 4857-42-5 Formula Weight: 127.1 MDL Number: MFCD00464222

5,7-Dimethylpyrido[2,3-d]pyrimidin-4(3H)-one, 97%, ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: 5, 7-Dimethyl-4-hydroxypyrido[2, 3-d]pyrimidine CAS: 1913-72-0 CAS Min %: 97.5 CAS Max %: 100.0 Assay Percent Range: 98% Molecular Formula: C9H9N3O Formula Weight: 175.19

Furfuryl glycidyl ether, 97%, ACROS Organics™

Chemical Name or Material: Furfuryl glycidyl ether CAS: 5380-87-0 Assay: ≥96.0% (GC) Assay Percent Range: 97% Molecular Formula: C8H10O3 Formula Weight: 154.17 MDL Number: MFCD00013348

Alfa Aesar™ N-Boc-3-(4-pyridyl)-L-alanine, 95%

Chemical Name or Material: N-Boc-3-(4-pyridyl)-L-alanine CAS: 37535-57-2 Molecular Formula: C13H18N2O4 Formula Weight: 266.29 MDL Number: MFCD00672528 Beilstein: 6417084 Synonym: Boc-4-Pal-OH; Boc-3-(4-pyridyl)-L-Ala-OH

Alfa Aesar™ 5-Bromo-3-iodo-7-azaindole, 97%

Chemical Name or Material: 5-Bromo-3-iodo-7-azaindole CAS: 757978-18-0 Molecular Formula: C7H4BrIN2 Formula Weight: 322.93 MDL Number: MFCD07779519 Synonym: 5-Bromo-3-iodo-1H-pyrrolo[2,3-b]pyridine

Alfa Aesar™ 2-Cyanopyridine-3-boronic acid pinacol ester, 95%

Chemical Name or Material: 2-Cyanopyridine-3-boronic acid pinacol ester CAS: 878194-93-5 Molecular Formula: C12H15BN2O2 Formula Weight: 230.07 MDL Number: MFCD08458477 Synonym: 2-Cyano-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridine

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