Heterocyclic Building Blocks

1-Methyl-2-pyrrolidinone, 99.5%, for peptide synthesis, ACROS Organics™

Chemical Name or Material: 1-Methyl-2-pyrrolidinone CAS: 872-50-4 CAS Min %: 99.4 CAS Max %: 100.0 Purity Grade: For peptide synthesis Assay: 99.5% Assay Percent Range: 99.5% Molecular Formula: C5H9NO Formula Weight: 99.13 MDL Number: MFCD00003193 Synonym: N-Methylpyrrolidone 10LT 1-Methyl-2-pyrrolidinone, 99.5%, for peptidesynthesis

5-Fluoro-2-hydroxypyridine, 97%, ACROS Organics™

Chemical Name or Material: 5-Fluoro-2-hydroxypyridine CAS: 51173-05-8 CAS Min %: 96.0 CAS Max %: 100.0 Assay: 97% Assay Percent Range: 97% Molecular Formula: C5H4FNO Formula Weight: 113.09 MDL Number: MFCD03092918 25GR 5-Fluoro-2-hydroxypyridine, 97%

3-Thienylmagnesium iodide, 0.3M solution in THF, AcroSeal™, ACROS Organics™

50ML 3-Thienylmagnesium iodide, 0.3M solution in THF, AcroSeal

Alfa Aesar™ 2-Chlorothionicotinamide, 97%

Chemical Name or Material: 2-Chlorothionicotinamide Molecular Formula: C6H5ClN2S Formula Weight: 172.63 MDL Number: MFCD16659867 Synonym: 2-Chloropyridine-3-thiocarboxamide 5GR 2-Chlorothionicotinamide, 97% 5g

Alfa Aesar™ 3,5-Dichloro-4-pyridone, 98%

Chemical Name or Material: 3,5-Dichloro-4-pyridone CAS: 17228-70-5 Molecular Formula: C5H3Cl2NO Formula Weight: 163.99 MDL Number: MFCD00051673 Beilstein: 1524978 Synonym: 3,5-Dichloro-4-hydroxypyridine 3,5-DICHLORO-4-PYRIDONE, 98%,250G

Alfa Aesar™ N-Phenylmaleimide, 98+%

Chemical Name or Material: N-Phenylmaleimide CAS: 941-69-5 Molecular Formula: C10H7NO2 Formula Weight: 173.17 MDL Number: MFCD00005502 UN Number: UN2811 Beilstein: 125098 Merck Index: 14,7299 Synonym: 1-Phenyl-1H-pyrrole-2,5-dione N-PHENYLMALEIMIDE, 98+% 100G

Alfa Aesar™ D-Nipecotic acid, 96+%

Chemical Name or Material: D-Nipecotic acid CAS: 25137-00-2 Molecular Formula: C6H11NO2 Formula Weight: 129.16 MDL Number: MFCD01630787 Synonym: (R)-(-)-Piperidine-3-carboxylic acid; D-Nip-OH 25GR D-Nipecotic acid, 96+%

Alfa Aesar™ Ethyl indole-2-carboxylate, 98+%

Chemical Name or Material: Ethyl indole-2-carboxylate CAS: 3770-50-1 Molecular Formula: C11H11NO2 Formula Weight: 189.21 MDL Number: MFCD00005609 Beilstein: 146395 Synonym: Indole-2-carboxylic acid ethyl ester ETHYL INDOLE-2-CARBOXYLATE98+%,5G

Alfa Aesar™ 2-Acetyl-5-bromobenzo[b]furan, 99%

Chemical Name or Material: 2-Acetyl-5-bromobenzo[b]furan CAS: 38220-75-6 Molecular Formula: C10H7BrO2 Formula Weight: 239.07 MDL Number: MFCD00276737 2-ACETYL-5-BROMOBENZO(B)FURAN5G

Alfa Aesar™ 1-(4-Fluorophenyl)piperazine, 98%

Chemical Name or Material: 1-(4-Fluorophenyl)piperazine CAS: 2252-63-3 Molecular Formula: C10H13FN2 Formula Weight: 180.23 MDL Number: MFCD00005960 UN Number: UN2923 Beilstein: 610723 Synonym: 4-(1-Piperazinyl)fluorobenzene N-(4-FLUOROPHENYL)PIPERAZINE, 98%,10G

Alfa Aesar™ 1,3,3-Trimethyl-2-methyleneindoline, 95%

Chemical Name or Material: 1,3,3-Trimethyl-2-methyleneindoline CAS: 118-12-7 Molecular Formula: C12H15N Formula Weight: 173.26 MDL Number: MFCD00005813 Beilstein: 131162 Synonym: Fischer's Base; 2-Methylene-1,3,3-trimethylindoline 1,3,3-TRIMETHYL-2-METHYLENEINDOLINE, 95%250G

Alfa Aesar™ 5-Chlorobenzoxazole, 95%

5GR 5-Chlorobenzoxazole, 95%

Alfa Aesar™ 4-Benzyloxypyridine N-oxide, 98%

Chemical Name or Material: 4-Benzyloxypyridine N-oxide CAS: 2683-66-1 Molecular Formula: C12H11NO2 Formula Weight: 201.22 MDL Number: MFCD00047427 Beilstein: 165005 4-BENZYLOXYPYRIDINE N-OXIDE, 98%,5G

Alfa Aesar™ 5-(2-Fluorophenyl)-2-furoyl chloride

Chemical Name or Material: 5-(2-Fluorophenyl)-2-furoyl chloride CAS: 585566-00-3 Molecular Formula: C11H6ClFO2 Formula Weight: 224.62 MDL Number: MFCD02258009 UN Number: UN3261 Synonym: 5-(2-Fluorophenyl)furan-2-carbonyl chloride 5-(2-FLUOROPHENYL)FURAN-2-CARBONYL CHLORIDE5G

ethyle2-methylnicotinate, 97%, ACROS Organics™

Chemical Name or Material: ethyle2-methylnicotinate CAS: 1721-26-2 Assay: ≥96.0% Assay Percent Range: 97% Molecular Formula: C9H11NO2 Formula Weight: 165.19 MDL Number: MFCD00006336 5GR Ethyl 2-methylnicotinate, 97%

6-Amino-3-methyl-1,3-benzoxazol-2(3H)-one, 90%, ACROS Organics™

Chemical Name or Material: 6-Amino-3-methyl-1, 3-benzoxazol-2(3H)-one CAS: 99584-10-8 CAS Min %: 88.0 CAS Max %: 100.0 Assay: ≥88.0% Assay Percent Range: 90% Molecular Formula: C8H8N2O2 Formula Weight: 164.17 MDL Number: MFCD07801206 5GR 6-Amino-3-methyl-1,3-benzoxazol-2(3H)-one, 90%

Alfa Aesar™ 1-(2-Chlorobenzoyl)-3-methylpiperidine, 97%

Chemical Name or Material: 1-(2-Chlorobenzoyl)-3-methylpiperidine CAS: 331845-98-8 Molecular Formula: C13H16ClNO Formula Weight: 237.73 MDL Number: MFCD01212178 250MG 1-(2-Chlorobenzoyl)-3-methylpiperidine, 97% 250mg

2-Bromo-6-methoxypyridine, 97%, ACROS Organics™

Chemical Name or Material: 2-Bromo-6-methoxypyridine CAS: 40473-07-2 CAS Min %: 96.0 CAS Max %: 100.0 Assay: ≥96.0% Assay Percent Range: 97% Molecular Formula: C6H6BrNO Formula Weight: 188.02 MDL Number: MFCD00088345 25ML 2-Bromo-6-methoxypyridine, 97%

Alfa Aesar™ 3-Bromopyridine, 98+%

Chemical Name or Material: 3-Bromopyridine CAS: 626-55-1 Molecular Formula: C5H4BrN Formula Weight: 158 MDL Number: MFCD00006373 UN Number: UN2810 Beilstein: 105880 3-BROMOPYRIDINE, 98+% 500G

Alfa Aesar™ 2-Cyano-3,5-difluoropyridine, 98%

Chemical Name or Material: 2-Cyano-3,5-difluoropyridine CAS: 298709-29-2 Molecular Formula: C6H2F2N2 Formula Weight: 140.09 MDL Number: MFCD03788759 Synonym: 3,5-Difluoropicolinitrile; 3,5-Difluoropyridine-2-carbonitrile 2-CYANO-3,5-DIFLUOROPYRIDINE, 98%,1G

Alfa Aesar™ 3-(4-Morpholinyl)propiophenone hydrochloride, 98+%

Chemical Name or Material: 3-(4-Morpholinyl)propiophenone hydrochloride CAS: 1020-16-2 Molecular Formula: C13H17NO2·HCl Formula Weight: 255.76 MDL Number: MFCD00035332 Beilstein: 3723608 Synonym: 3-(4-Morpholino)propiophenone hydrochloride 3-(4-MORPHOLINO)PROPIOPHENONE HCLCHLORIDE,100G

Alfa Aesar™ 1-Boc-4-cyano-4-(4-morpholinyl)piperidine, 97%

Chemical Name or Material: 1-Boc-4-cyano-4-(4-morpholinyl)piperidine CAS: 1148003-98-8 Formula Weight: 295.38 MDL Number: MFCD12827546 Synonym: tert-Butyl 4-cyano-4-(4-morpholinyl)piperidine-1-carboxylate; tert-Butyl 4-cyano-4-(4-morpholinyl)piperidine-1-carboxylate 1GR 1-Boc-4-cyano-4-(4-morpholinyl)piperidine, 97% 1g

Alfa Aesar™ 2-(1-Piperazinyl)-N-(n-propyl)nicotinamide

Chemical Name or Material: 2-(1-Piperazinyl)-N-(n-propyl)nicotinamide Molecular Formula: C13H20N4O Formula Weight: 248.33 MDL Number: MFCD08064264 Synonym: 2-(1-Piperazino)-N-propylnicotinamide 2-PIPERAZIN-1-YL-N-PROPYLNICOTINAMIDE1G

Alfa Aesar™ 2-Acetyl-5-methylthiophene, 98%

Chemical Name or Material: 2-Acetyl-5-methylthiophene CAS: 13679-74-8 Molecular Formula: C7H8OS Formula Weight: 140.2 MDL Number: MFCD00014529 Beilstein: 110854 2-ACETYL-5-METHYLTHIOPHENE98%,5G

Alfa Aesar™ 3-Bromo-6-chloroimidazo[1,2-a]pyridine-2-carboxylic acid hydrate, 95%

Chemical Name or Material: 3-Bromo-6-chloroimidazo[1,2-a]pyridine-2-carboxylic acid hydrate Molecular Formula: C8H4BrClN2O2·xH2O Formula Weight: 275.49 (Anhydrous) MDL Number: MFCD22682824 1GR 3-Bromo-6-chloroimidazo[1,2-a]pyridine-2-carboxylic acid hydrate, 95% 1g

Alfa Aesar™ 2,5-Dihydro-2,5-dimethoxyfuran, cis + trans, 99%

Chemical Name or Material: 2,5-Dihydro-2,5-dimethoxyfuran CAS: 332-77-4 Name Note: cis + trans Molecular Formula: C6H10O3 Formula Weight: 130.14 MDL Number: MFCD00003220 UN Number: UN3271 Beilstein: 113225 Synonym: 2,5-Dimethoxy-2,5-dihydrofuran 2,5-DIMETHOXY-2,5-DIHYDROFURAN, 99%100G

Alfa Aesar™ 2-(Boc-amino)-6-methylpyridine, 97%

Chemical Name or Material: 2-(Boc-amino)-6-methylpyridine CAS: 90101-22-7 Molecular Formula: C11H16N2O2 Formula Weight: 208.26 MDL Number: MFCD07776935 Synonym: 2-(Boc-amino)-6-picoline 5GR 2-(Boc-amino)-6-methylpyridine, 97% 5g

Alfa Aesar™ 2-Chloro-N-(3-chlorophenyl)pyridine-4-carboxamide, 95%

Chemical Name or Material: 2-Chloro-N-(3-chlorophenyl)pyridine-4-carboxamide CAS: 588694-31-9 Molecular Formula: C12H8Cl2N2O Formula Weight: 267.11 MDL Number: MFCD11128631 Synonym: 2-Chloro-N-(3-chlorophenyl)isonicotinamide 1GR 2-Chloro-N-(3-chlorophenyl)pyridine-4-carboxamide, 95% 1g

Alfa Aesar™ 2-Bromo-3-(trifluoromethyl)pyridine, 98%

Chemical Name or Material: 2-Bromo-3-(trifluoromethyl)pyridine CAS: 175205-82-0 Molecular Formula: C6H3BrF3N Formula Weight: 226 MDL Number: MFCD00153084 2-BROMO-3-(TRIFLUOROMETHYL)PYRIDINE, 98% 5G

Fluorescein Isothiocyanate Isomer I, 90%, Pure, ACROS Organics™

Chemical Name or Material: Fluorescein isothiocyanate isomer I CAS: 3326-32-7 Purity Grade: Pure Assay: ≥88% (HPLC) Assay Percent Range: 90% Molecular Formula: C21H11NO5S Formula Weight: 389.38 MDL Number: MFCD00005063 Synonym: 5-FITC 250MG Fluorescein isothiocyanate isomer I, 90%, pure

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