Heterocyclic Building Blocks

Alfa Aesar™ 1-Benzyloxycarbonylpyrrolidine-3-carboxaldehyde, 97%

Chemical Name or Material: 1-Benzyloxycarbonylpyrrolidine-3-carboxaldehyde CAS: 276872-86-7 Molecular Formula: C13H15NO3 Formula Weight: 233.27 MDL Number: MFCD05861538 Synonym: 1-Cbz-pyrrolidine-3-carboxaldehyde; Z-3-Formylpyrrolidine

Alfa Aesar™ (R)-(+)-1-Boc-3-aminopyrrolidine, 97%

Chemical Name or Material: (R)-(+)-1-Boc-3-aminopyrrolidine CAS: 147081-49-0 Molecular Formula: C9H18N2O2 Formula Weight: 186.25 MDL Number: MFCD03419272 UN Number: UN2735 Synonym: (R)-(+)-1-tert-Butoxycarbonyl-3-aminopyrrolidine; tert-Butyl (R)-(+)-3-aminopyrrolidine-1-carboxylate

Alfa Aesar™ 2-Amino-5-chloro-3-iodopyridine, 95%

Chemical Name or Material: 2-Amino-5-chloro-3-iodopyridine CAS: 211308-81-5 Molecular Formula: C5H4ClIN2 Formula Weight: 254.46 MDL Number: MFCD07644578 Synonym: 5-Chloro-3-iodo-2-pyridinamine

Alfa Aesar™ Ethyl 5-bromopyrimidine-2-carboxylate, 95%

Chemical Name or Material: Ethyl 5-bromopyrimidine-2-carboxylate CAS: 1197193-30-8 Formula Weight: 231.05 MDL Number: MFCD12964050 Synonym: 5-Bromopyrimidine-2-carboxylic acid ethyl ester

Alfa Aesar™ 3-Hydroxy-2-iodopyridine, 98%

Chemical Name or Material: 3-Hydroxy-2-iodopyridine CAS: 40263-57-8 Molecular Formula: C5H4INO Formula Weight: 221 MDL Number: MFCD00023421 Beilstein: 109836 Synonym: 2-Iodo-3-hydroxypyridine; 2-Iodo-3-pyridinol

Alfa Aesar™ (R)-(+)-4-Hydroxy-2-pyrrolidinone, ≥97%

Chemical Name or Material: (R)-(+)-4-Hydroxy-2-pyrrolidinone CAS: 22677-21-0 Formula Weight: 101.1 MDL Number: MFCD00273364 Beilstein: 1524193 Synonym: (R)-β-Hydroxy-γ-butyrolactam

Alfa Aesar™ 5-Bromo-2-(4-methoxyphenyl)furo[2,3-b]pyridine, 98%

Chemical Name or Material: 5-Bromo-2-(4-methoxyphenyl)furo[2,3-b]pyridine Molecular Formula: C14H8BrNO2 Formula Weight: 304.14 MDL Number: MFCD18800803

Alfa Aesar™ 1-Benzyl-3-methylpiperazine hydrochloride, 98+%

Chemical Name or Material: 1-Benzyl-3-methylpiperazine hydrochloride Molecular Formula: C12H18N2·HCl Formula Weight: 226.75 MDL Number: MFCD09842143

Wortmannin, 98%, ACROS Organics™

Chemical Name or Material: Wortmannin CAS: 19545-26-7 Assay: ≥97.5% Assay Percent Range: 98% Molecular Formula: C23H24O8 Formula Weight: 428.4 MDL Number: MFCD00133927

Alfa Aesar™ 3-Hydroxy-1-methylpyrrolidine, 97%

Chemical Name or Material: 3-Hydroxy-1-methylpyrrolidine CAS: 13220-33-2 Molecular Formula: C5H11NO Formula Weight: 101.15 MDL Number: MFCD00003176 Synonym: 1-Methyl-3-pyrrolidinol

Alfa Aesar™ 1-(4-Chloro-2-nitrophenyl)piperazine, 97%

Chemical Name or Material: 1-(4-Chloro-2-nitrophenyl)piperazine CAS: 405910-34-1 Formula Weight: 241.67 MDL Number: MFCD00640777

Alfa Aesar™ 1-Boc-pyrrolidine-3-boronic acid diethanolamine ester, 97%

Chemical Name or Material: 1-Boc-pyrrolidine-3-boronic acid diethanolamine ester Molecular Formula: C13H25BN2O4 Formula Weight: 284.17 MDL Number: MFCD09953469 Synonym: 1-(tert-Butoxycarbonyl)pyrrolidine-3-boronic acid diethanolamine ester

Alfa Aesar™ 8-Hydroxyquinoline-2-carboxylic acid, 98%

Chemical Name or Material: 8-Hydroxyquinoline-2-carboxylic acid CAS: 1571-30-8 Molecular Formula: C10H7NO3 Formula Weight: 189.17 MDL Number: MFCD00168972 Synonym: 8-Hydroxyquinaldic acid

Alfa Aesar™ 1-Ethoxymethyl-2-iodoimidazole, 97%

Chemical Name or Material: 1-Ethoxymethyl-2-iodoimidazole CAS: 146697-87-2 Molecular Formula: C6H9IN2O Formula Weight: 252.05 MDL Number: MFCD03788568

Alfa Aesar™ 2-Chloro-3-cyano-6-(4-methoxyphenyl)pyridine, 98%

Chemical Name or Material: 2-Chloro-3-cyano-6-(4-methoxyphenyl)pyridine CAS: 306977-91-3 Molecular Formula: C13H9ClN2O Formula Weight: 244.68 MDL Number: MFCD00215274 Synonym: 2-Chloro-6-(4-methoxyphenyl)nicotinonitrile; 2-Chloro-6-(4-methoxyphenyl)pyridine-3-carbonitrile

Alfa Aesar™ Potassium 2,2'-bithiophene-5-trifluoroborate, 95%

Chemical Name or Material: Potassium 2,2'-bithiophene-5-trifluoroborate Formula Weight: 272.17 MDL Number: MFCD26142849

Alfa Aesar™ 2-Amino-5-methylpyrazine, 98%

Chemical Name or Material: 2-Amino-5-methylpyrazine CAS: 5521-58-4 Formula Weight: 109.13 MDL Number: MFCD08437664 Synonym: 5-Methylpyrazin-2-amine

Alfa Aesar™ 7-Bromo-1-hydroxyisoquinoline, 98+%

Chemical Name or Material: 7-Bromo-1-hydroxyisoquinoline CAS: 223671-15-6 Molecular Formula: C9H6BrNO Formula Weight: 224.06 MDL Number: MFCD02093963 Beilstein: 8405244 Synonym: 7-Bromoisocarbostyril

Alfa Aesar™ Isonicotinamide, 99%

Chemical Name or Material: Isonicotinamide CAS: 1453-82-3 Molecular Formula: C6H6N2O Formula Weight: 122.13 MDL Number: MFCD00006432 Beilstein: 2173 Synonym: Pyridine-4-carboxamide

Alfa Aesar™ 1-(4-Methoxyphenyl)imidazole, 98%

Chemical Name or Material: 1-(4-Methoxyphenyl)imidazole CAS: 10040-95-6 Molecular Formula: C10H10N2O Formula Weight: 174.2 MDL Number: MFCD00060492 Synonym: 4-(1-Imidazolyl)anisole

4-Picolyl Chloride Hydrochloride 97%, ACROS Organics™

Chemical Name or Material: 4-Picolyl chloride hydrochloride Name Note: 97% CAS: 1822-51-1 CAS Min %: 96.0 CAS Max %: 100.0 Assay: ≥96.0% Assay Percent Range: 97% Molecular Formula: C6H6ClN·HCl Formula Weight: 164.04 MDL Number: MFCD00012826 Synonym: 4-(Chloromethyl)pyridine hydrochloride

Indole-2-carboxylic acid, 99%, ACROS Organics™

Chemical Name or Material: Indole-2-carboxylic acid Name Note: 99% CAS: 1477-50-5 Assay: ≥98.5% Assay Percent Range: 99% Molecular Formula: C9H7NO2 Formula Weight: 161.16 MDL Number: MFCD00005611

Alfa Aesar™ 5-Amino-3,4-dimethylisoxazole, 97%

Chemical Name or Material: 5-Amino-3,4-dimethylisoxazole CAS: 19947-75-2 Molecular Formula: C5H8N2O Formula Weight: 112.13 MDL Number: MFCD00046081 Beilstein: 108546

Alfa Aesar™ Pyrimidine, 99%

Chemical Name or Material: Pyrimidine CAS: 289-95-2 Molecular Formula: C4H4N2 Formula Weight: 80.09 MDL Number: MFCD00006059 UN Number: UN1993 Beilstein: 103894 Merck Index: 14,7987

Alfa Aesar™ 4-Amino-6-hydroxy-2-methylpyrimidine dihydrate, 98+%

Chemical Name or Material: 4-Amino-6-hydroxy-2-methylpyrimidine dihydrate CAS: 388582-41-0 Molecular Formula: C5H7N3O·2H2O Formula Weight: 161.16 (125.13 Anhydrous) MDL Number: MFCD00150311 Beilstein: 118273 Synonym: 4-Amino-2-methyl-6-pyrimidinol hydrate

Alfa Aesar™ 4,5,6,7-Tetrahydrobenzo[b]thiophene-3-carboxylic acid, 97%

Chemical Name or Material: 4,5,6,7-Tetrahydrobenzo[b]thiophene-3-carboxylic acid CAS: 19156-54-8 Molecular Formula: C9H10O2S Formula Weight: 182.24 MDL Number: MFCD00652575 Beilstein: 1367376

Alfa Aesar™ 3-Amino-6-bromo-1H-indazole, 97%

Chemical Name or Material: 3-Amino-6-bromo-1H-indazole CAS: 404827-77-6 Molecular Formula: C7H6BrN3 Formula Weight: 212.05 MDL Number: MFCD05665872 Synonym: 6-Bromo-1H-indazol-3-amine

Alfa Aesar™ 3-Hydroxy-4-(2,2,2-trimethylacetamido)pyridine, 98%

Chemical Name or Material: 3-Hydroxy-4-(2,2,2-trimethylacetamido)pyridine CAS: 169205-93-0 Molecular Formula: C10H14N2O2 Formula Weight: 194.24 MDL Number: MFCD07776841 Synonym: N-(3-Hydroxypyridin-4-yl)pivalamide

Alfa Aesar™ 4-(4-Acetoxyphenyl)-2-aminothiazole, 97%

Chemical Name or Material: 4-(4-Acetoxyphenyl)-2-aminothiazole Molecular Formula: C11H10N2O2S Formula Weight: 234.27 MDL Number: MFCD06739847

Alfa Aesar™ 2-Amino-3-benzyloxypyridine-5-boronic acid pinacol ester, 96%

Chemical Name or Material: 2-Amino-3-benzyloxypyridine-5-boronic acid pinacol ester CAS: 756520-57-7 Molecular Formula: C18H23BN2O3 Formula Weight: 326.2 MDL Number: MFCD13191381

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