Heterocyclic Building Blocks

Indole-3-carboxaldehyde 97%, ACROS Organics™

Chemical Name or Material: Indole-3-carboxaldehyde Name Note: 97% CAS: 487-89-8 Assay: ≥96.0% Assay Percent Range: 97% Molecular Formula: C9H7NO Formula Weight: 145.16 MDL Number: MFCD00005622 5GR Indole-3-carboxaldehyde, 97%

Alfa Aesar™ Benzo[b]thiophene 1,1-dioxide, 98%

Chemical Name or Material: Benzo[b]thiophene 1,1-dioxide CAS: 825-44-5 Molecular Formula: C8H6O2S Formula Weight: 166.2 MDL Number: MFCD00052178 Beilstein: 116442 Synonym: Thianaphthene 1,1-dioxide THIANAPHTHENE-1,1-DIOXIDE,98%,25G

Alfa Aesar™ Bicyclo[2.2.2]oct-7-ene-2,3,5,6-tetracarboxylic dianhydride, 97%

Chemical Name or Material: Bicyclo[2.2.2]oct-7-ene-2,3,5,6-tetracarboxylic dianhydride CAS: 1719-83-1 Molecular Formula: C12H8O6 Formula Weight: 248.19 MDL Number: MFCD00082228 Beilstein: 294213 BICYCLO(2.2.2)OCT-7-ENE-2,3,5,6-TETRACARBOX.ACID10

Alfa Aesar™ 4-Cyanopyridine, 98%

Chemical Name or Material: 4-Cyanopyridine CAS: 100-48-1 Molecular Formula: C6H4N2 Formula Weight: 104.11 MDL Number: MFCD00006417 Beilstein: 107712 Synonym: Isonicotinonitrile; Pyridine-4-carbonitrile 4-CYANOPYRIDINE, 98%10G

Alfa Aesar™ Tetrachlorothiophene, 98%

Chemical Name or Material: Tetrachlorothiophene CAS: 6012-97-1 Molecular Formula: C4Cl4S Formula Weight: 221.92 MDL Number: MFCD00005422 UN Number: UN2811 Beilstein: 118374 1GR Tetrachlorothiophene, 98%

Alfa Aesar™ 3-(Acetamidomethyl)pyridine, 97%

Chemical Name or Material: 3-(Acetamidomethyl)pyridine CAS: 22977-34-0 Molecular Formula: C8H10N2O Formula Weight: 150.18 MDL Number: MFCD00495392 3-(ACETAMIDOMETHYL)PYRIDINE, 97%,2,5G

Alfa Aesar™ 2-Amino-5-trifluoromethyl-1,3,4-thiadiazole, 98%

Chemical Name or Material: 2-Amino-5-trifluoromethyl-1,3,4-thiadiazole CAS: 10444-89-0 Molecular Formula: C3H2F3N3S Formula Weight: 169.13 MDL Number: MFCD00003109 Beilstein: 513140 2-AMINO-5-TRIFLUOROMETHYL-1,3,4-THIADIAZOLE, 98%25

Alfa Aesar™ 3-(4-Bromophenyl)-4-(3,4-dichlorophenyl)-5-methyl-4H-1,2,4-triazole, 97%

Chemical Name or Material: 3-(4-Bromophenyl)-4-(3,4-dichlorophenyl)-5-methyl-4H-1,2,4-triazole Molecular Formula: C15H10BrCl2N3 Formula Weight: 383.07 MDL Number: MFCD22683144 500MG 3-(4-Bromophenyl)-4-(3,4-dichlorophenyl)-5-methyl-4H-1,2,4-triazole, 97% 500mg

Alfa Aesar™ 5-Chloro-3-methyl-1-phenyl-1H-pyrazole-4-carbonitrile, 99%

Chemical Name or Material: 5-Chloro-3-methyl-1-phenyl-1H-pyrazole-4-carbonitrile CAS: 51626-33-6 Molecular Formula: C11H8ClN3 Formula Weight: 217.66 MDL Number: MFCD00455809 UN Number: UN3439 Synonym: 5-Chloro-4-cyano-3-methyl-1-phenylpyrazole 5-CHLORO-3-METHYL-1-PHENYL1H-PYRAZOLE-4-CARBONIT-1

Alfa Aesar™ 2-Chloro-5-(4-ethoxycarbonyl-1-piperidinylcarbonyl)benzeneboronic acid, 97%

Chemical Name or Material: 2-Chloro-5-(4-ethoxycarbonyl-1-piperidinylcarbonyl)benzeneboronic acid Molecular Formula: C15H19BClNO5 Formula Weight: 339.58 MDL Number: MFCD22125042 Synonym: 2-Chloro-5-(4-ethoxycarbonyl-1-piperidinylcarbonyl)phenylboronic acid 1GR 2-Chloro-5-(4-ethoxycarbonyl-1-piperidinylcarbonyl)benzeneboronic acid, 97% 1g

Alfa Aesar™ 7-Iodoisatin, 97%

Chemical Name or Material: 7-Iodoisatin CAS: 20780-78-3 Molecular Formula: C8H4INO2 Formula Weight: 273.03 MDL Number: MFCD01248407 Synonym: 7-Iodo-1H-indole-2,3-dione 250MG 7-Iodoisatin, 97%

Alfa Aesar™ Pyrrole-2-carboxaldehyde, 99%

Chemical Name or Material: Pyrrole-2-carboxaldehyde CAS: 1003-29-8 Molecular Formula: C5H5NO Formula Weight: 95.1 MDL Number: MFCD00005217 Beilstein: 105745 PYRROLE-2-CARBOXALDEHYDE, 99%100G

Alfa Aesar™ 5-Chloro-1,3-dimethyl-1H-pyrazole-4-carboxaldehyde, 95%

Chemical Name or Material: 5-Chloro-1,3-dimethyl-1H-pyrazole-4-carboxaldehyde CAS: 27006-76-4 Molecular Formula: C6H7ClN2O Formula Weight: 158.59 MDL Number: MFCD00052538 5-CHLORO-1,3-DIMETHYL-1H-PYRAZOLE-4-CARBOXALDEHYDE

Alfa Aesar™ 3-Nitropyridine, 97%

Chemical Name or Material: 3-Nitropyridine CAS: 2530-26-9 Molecular Formula: C5H4N2O2 Formula Weight: 124.1 MDL Number: MFCD00234974 UN Number: UN2811 Beilstein: 111969 3-NITROPYRIDINE, 97% 1G

Alfa Aesar™ 2-(2-Methyl-4-thiazolyl)phenol, 97%

Chemical Name or Material: 2-(2-Methyl-4-thiazolyl)phenol CAS: 160241-65-6 Molecular Formula: C10H9NOS Formula Weight: 191.25 MDL Number: MFCD00665949 2-(2-METHYLTHIAZOL-4-YL)PHENOL1G

Alfa Aesar™ 5,6-Dimethyl-1,10-phenanthroline, 98%

Chemical Name or Material: 5,6-Dimethyl-1,10-phenanthroline CAS: 3002-81-1 Molecular Formula: C14H12N2 Formula Weight: 208.26 MDL Number: MFCD00004983 Beilstein: 160918 250MG 5,6-Dimethyl-1,10-phenanthroline, 98% 250mg

Alfa Aesar™ 6-Aminopenicillanic acid, 98%

Chemical Name or Material: 6-Aminopenicillanic acid CAS: 551-16-6 Molecular Formula: C8H12N2O3S Formula Weight: 216.26 MDL Number: MFCD00005176 Beilstein: 15080 Merck Index: 14,458 Synonym: 6-APA 6-AMINOPENICILLANIC ACID, 99%,50G

Alfa Aesar™ 1-Benzyl-3-hydroxypiperidine, 99%

Chemical Name or Material: 1-Benzyl-3-hydroxypiperidine CAS: 14813-01-5 Molecular Formula: C12H17NO Formula Weight: 191.27 MDL Number: MFCD00023734 Beilstein: 135964 Synonym: 1-Benzyl-3-piperidinol 1-BENZYL-3-HYDROXYPIPERIDINE, 99%,5G

Alfa Aesar™ 4-(4-Acetyl-1-piperazinyl)benzeneboronic acid pinacol ester, 95%

Chemical Name or Material: 4-(4-Acetyl-1-piperazinyl)benzeneboronic acid pinacol ester CAS: 1218791-38-8 Molecular Formula: C18H27BN2O3 Formula Weight: 330.23 MDL Number: MFCD13195756 Synonym: 1-(4-[4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]piperazin-1-yl)ethanone 1GR 4-(4-Acetyl-1-piperazinyl)benzeneboronic acidpinacol ester, 95% 1g

Acridine-9-carboxylic acid hydrate, 97%, ACROS Organics™

Chemical Name or Material: Acridine-9-carboxylic acid hydrate CAS: 332927-03-4 CAS Min %: 96.0 CAS Max %: 100.0 Assay: 97% Assay Percent Range: 97% Molecular Formula: C14H9NO2·H2O Formula Weight: 241.25 5GR Acridine-9-carboxylic acid hydrate, 97%

Alfa Aesar™ 2-(4-Cyanophenyl)-5-n-propyl-1,3-dioxane, 99+%

Chemical Name or Material: 2-(4-Cyanophenyl)-5-n-propyl-1,3-dioxane CAS: 80285-16-1 Molecular Formula: C14H17NO2 Formula Weight: 259.35 MDL Number: MFCD00799426 2-(4-CYANOPHENYL)-5-N-PROPYL-13-DIOXANE 99,5G

Alfa Aesar™ 4-Iodo-1-benzyl-1H-pyrazole, 95%

Chemical Name or Material: 4-Iodo-1-benzyl-1H-pyrazole CAS: 50877-42-4 Molecular Formula: C10H9IN2 Formula Weight: 284.1 MDL Number: MFCD04038745 250MG 4-Iodo-1-benzyl-1H-pyrazole, 95% 250mg

Alfa Aesar™ 5-(4-Fluorophenyl)isoxazole, 99%

Chemical Name or Material: 5-(4-Fluorophenyl)isoxazole CAS: 138716-37-7 Molecular Formula: C9H6FNO Formula Weight: 163.15 MDL Number: MFCD02183544 5-(4-FLUOROPHENYL)ISOXAZOLE 25G

2,2'-Bithiophene 97%, ACROS Organics™

Chemical Name or Material: 2, 2'-Bithiophene Name Note: 97% CAS: 492-97-7 CAS Min %: 96.0 CAS Max %: 100.0 Assay Percent Range: 97% Molecular Formula: C8H6S2 Formula Weight: 166.27 MDL Number: MFCD00005414 Synonym: 2, 2'-Dithienyl 2.5GR 2,2'-Bithiophene, 97%

2,4-Dimethylthiazole 98%, ACROS Organics™

Chemical Name or Material: 2, 4-Dimethylthiazole Name Note: 98% CAS: 541-58-2 CAS Min %: 97.5 CAS Max %: 100.0 Assay: 97.5 to 102.5% Total Base, ≥97.5% (GC) Assay Percent Range: 98% Molecular Formula: C5H7NS Formula Weight: 113.18 MDL Number: MFCD00014509 5GR 2,4-Dimethylthiazole, 98%

Alfa Aesar™ 2,6-Dimethoxypyridine-3-boronic acid, 95%

Chemical Name or Material: 2,6-Dimethoxypyridine-3-boronic acid CAS: 221006-70-8 Molecular Formula: C7H10BNO4 Formula Weight: 182.97 MDL Number: MFCD03788239 Beilstein: 9391039 2,6-DIMETHOXYPYRIDINE-3-BORONIC ACID, 95%250MG

Alfa Aesar™ 6,8-Dibromocoumarin-3-carboxylic acid, 97%

6,8-DIBROMOCOUMARIN-3-CARBOXYLIC ACID, 97%,1G

Alfa Aesar™ 3-Methyl-1-(2-phenylethyl)-4-piperidone, 97%

Chemical Name or Material: 3-Methyl-1-(2-phenylethyl)-4-piperidone CAS: 129164-39-2 Molecular Formula: C14H19NO Formula Weight: 217.32 MDL Number: MFCD01699280 3-METHYL-1-(2-PHENYLETHYL)4-PIPERIDONE, 98% 5G

Alfa Aesar™ 2-Amino-4-imino-2-thiazoline hydrochloride, 99%

Chemical Name or Material: 2-Amino-4-imino-2-thiazoline hydrochloride CAS: 36518-76-0 Molecular Formula: C3H5N3S·HCl Formula Weight: 151.62 MDL Number: MFCD00012721 Beilstein: 5109728 2-AMINO-4-IMINO-2-THIAZOLINE HYDROCHLORIDE, 99%,5G

Alfa Aesar™ 3-Methylpiperidine, 98%

Chemical Name or Material: 3-Methylpiperidine CAS: 626-56-2 Molecular Formula: C6H13N Formula Weight: 99.18 MDL Number: MFCD00005994 UN Number: UN2733 Beilstein: 79807 Synonym: 3-Pipecoline 3-METHYLPIPERIDINE 100G

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