Heterocyclic Building Blocks

(S)-(-)-Indoline-2-carboxylic acid, 98%, ACROS Organics™

Chemical Name or Material: (S)-(-)-Indoline-2-carboxylic acid Name Note: 98% CAS: 79815-20-6 CAS Min %: 97.5 CAS Max %: 100.0 Assay: ≥97.5% Assay Percent Range: 98% Molecular Formula: C9H9NO2 Formula Weight: 163.18 MDL Number: MFCD00070578 5GR (S)-(-)-Indoline-2-carboxylic acid, 98%

Alfa Aesar™ 6-Nitro-2H-1,4-benzothiazin-3(4H)-one, 97%

Chemical Name or Material: 6-Nitro-2H-1,4-benzothiazin-3(4H)-one CAS: 21762-74-3 Molecular Formula: C8H6N2O3S Formula Weight: 210.21 MDL Number: MFCD00456556 1GR 6-Nitro-2H-1,4-benzothiazin-3(4H)-one, 97% 1g

Alfa Aesar™ 4-(2-Methylphenyl)tetrahydropyran-4-carbonitrile, 97+%

Chemical Name or Material: 4-(2-Methylphenyl)tetrahydropyran-4-carbonitrile Molecular Formula: C13H15NO Formula Weight: 201.26 MDL Number: MFCD10690695 Synonym: 4-(o-Tolyl)tetrahydropyran-4-carbonitrile 5GR 4-(2-Methylphenyl)tetrahydropyran-4-carbonitrile, 97+% 5g

Alfa Aesar™ Ethyl imidazole-2-carboxylate, 97%

Chemical Name or Material: Ethyl imidazole-2-carboxylate CAS: 33543-78-1 Molecular Formula: C6H8N2O2 Formula Weight: 140.14 MDL Number: MFCD03426031 Beilstein: 115685 Synonym: Imidazole-2-carboxylic acid ethyl ester ETHYL IMIDAZOLE-2-CARBOXYLATE, 97%,1G

2,5-Dimethylfuran, 99%, ACROS Organics™

Chemical Name or Material: 2, 5-Dimethylfuran Name Note: 99% CAS: 625-86-5 CAS Min %: 98.5 CAS Max %: 100.0 Assay: ≥98.5% Assay Percent Range: 99% Molecular Formula: C6H8O Formula Weight: 96.13 MDL Number: MFCD00003250 500ML 2,5-Dimethylfuran, 99%

Alfa Aesar™ 2-Fluoro-3-(4-morpholinylcarbonyl)benzeneboronic acid, 97%

Chemical Name or Material: 2-Fluoro-3-(4-morpholinylcarbonyl)benzeneboronic acid Molecular Formula: C11H13BFNO4 Formula Weight: 253.04 MDL Number: MFCD22682892 1GR 2-Fluoro-3-(4-morpholinylcarbonyl)benzeneboronic acid, 97% 1g

Alfa Aesar™ 2-Bromo-4-phenylthiazole, 97%

Chemical Name or Material: 2-Bromo-4-phenylthiazole CAS: 57516-16-2 Molecular Formula: C9H6BrNS Formula Weight: 240.12 MDL Number: MFCD09746507 1GR 2-Bromo-4-phenylthiazole, 97% 1g

HEPES, 99%, for biochemistry, ACROS Organics™

Chemical Name or Material: HEPES CAS: 7365-45-9 Purity Grade: For biochemistry Assay: ≥98.5% (on dried substance) (Acid) Assay Percent Range: 99% Molecular Formula: C8H18N2O4S Formula Weight: 238.3 1KG HEPES, 99%, for biochemistry

Alfa Aesar™ Ethyl 5-chloroimidazo[1,2-a]pyridine-2-carboxylate, 95%

Chemical Name or Material: Ethyl 5-chloroimidazo[1,2-a]pyridine-2-carboxylate CAS: 67625-36-9 Molecular Formula: C10H9ClN2O2 Formula Weight: 224.65 MDL Number: MFCD09864797 Synonym: 5-Chloroimidazo[1,2-a]pyridine-2-carboxylic acid ethyl ester 250MG Ethyl 5-chloroimidazo[1,2-a]pyridine-2-carboxylate, 95% 250mg

Alfa Aesar™ 2-(4-Morpholinylcarbonyl)benzeneboronic acid, 95%

Chemical Name or Material: 2-(4-Morpholinylcarbonyl)benzeneboronic acid CAS: 874219-17-7 Molecular Formula: C11H14BNO4 Formula Weight: 235.05 MDL Number: MFCD08235036 250MG 2-(4-Morpholinylcarbonyl)benzeneboronic acid, 95% 250mg

Alfa Aesar™ 1-(4'-Methoxy-4-biphenylylsulfonyl)-L-proline, 96%

Chemical Name or Material: 1-(4'-Methoxy-4-biphenylylsulfonyl)-L-proline Molecular Formula: C18H19NO5S Formula Weight: 361.42 MDL Number: MFCD06409466 1GR 1-(4'-Methoxy-4-biphenylylsulfonyl)-L-proline, 96% 1g

2,6-Pyridinedicarboxylic acid chloride, 97%, ACROS Organics™

Chemical Name or Material: 2, 6-Pyridinedicarboxylic acid chloride CAS: 3739-94-4 CAS Min %: 96.0 CAS Max %: 100.0 Assay: ≥96.0% (RCOCl) Assay Percent Range: 97% Molecular Formula: C7H3Cl2NO2 Linear Formula: (C5H3N)(COCl)2 Formula Weight: 204.01 MDL Number: MFCD00006289 Synonym: 2, 6-Pyridinedicarbonyl dichloride 25GR 2,6-Pyridinedicarboxylic acid chloride, 97%

Alfa Aesar™ 5-Methyl-1,10-phenanthroline, 99%

Chemical Name or Material: 5-Methyl-1,10-phenanthroline CAS: 3002-78-6 Molecular Formula: C13H10N2 Formula Weight: 194.24 MDL Number: MFCD00004982 Beilstein: 143849 5-METHYL-1,10-PHENANTHROLINE, 99%,1G

cis-4-Hydroxy-D-proline, 99%, ACROS Organics™

Chemical Name or Material: cis-4-Hydroxy-D-proline CAS: 2584-71-6 Assay: ≥98.5% Assay Percent Range: 99% Molecular Formula: C5H9NO3 Formula Weight: 131.13 MDL Number: MFCD00005252 250MG cis-4-Hydroxy-D-proline, 99%

Alfa Aesar™ 1-(4-Nitrophenyl)piperidine, 97%

Chemical Name or Material: 1-(4-Nitrophenyl)piperidine CAS: 6574-15-8 Molecular Formula: C11H14N2O2 Formula Weight: 206.24 MDL Number: MFCD00023662 Synonym: 1-Nitro-4-(1-piperidinyl)benzene; 1-Nitro-4-(1-piperidinyl)benzene N-(4-NITROPHENYL)PIPERIDINE, 97%,5G

Alfa Aesar™ 5,5-Dimethylhydantoin, 97%

Chemical Name or Material: 5,5-Dimethylhydantoin CAS: 77-71-4 Molecular Formula: C5H8N2O2 Formula Weight: 128.13 MDL Number: MFCD00005266 Beilstein: 2827 5,5-DIMETHYLHYDANTOIN, 97%100G

Alfa Aesar™ Ethyl benzofuroxan-5-carboxylate, 97%

Chemical Name or Material: Ethyl benzofuroxan-5-carboxylate CAS: 17348-71-9 Molecular Formula: C9H8N2O3 Formula Weight: 208.18 MDL Number: MFCD00276595 Synonym: Benzofuroxan-5-carboxylic acid ethyl ester ETHYL BENZOFUROXAN-5-CARBOXYLATE, 97%,5G

4-Piperazinoacetophenone 94%, ACROS Organics™

Chemical Name or Material: 4-Piperazinoacetophenone Name Note: 94% CAS: 51639-48-6 CAS Min %: 92.0 CAS Max %: 100.0 Assay: ≥92% Assay Percent Range: 94% Molecular Formula: C12H16N2O Formula Weight: 204.27 MDL Number: MFCD00005962 25GR 4-Piperazinoacetophenone, 94%

Alfa Aesar™ 5-Aminopyridine-2-carboxamidoxime, 97%

Chemical Name or Material: 5-Aminopyridine-2-carboxamidoxime Molecular Formula: C6H8N4O Formula Weight: 152.16 MDL Number: MFCD20265317 1GR 5-Aminopyridine-2-carboxamidoxime, 97% 1g

Alfa Aesar™ Ethyl 5-bromonicotinate, 98%

Chemical Name or Material: Ethyl 5-bromonicotinate CAS: 20986-40-7 Molecular Formula: C8H8BrNO2 Formula Weight: 230.07 MDL Number: MFCD00040366 Beilstein: 131473 Synonym: 5-Bromonicotinic acid ethyl ester; Ethyl 5-bromopyridine-3-carboxylate ETHYL 5-BROMONICOTINATE 5G

Alfa Aesar™ Ethyl 4-chloro-8-methoxyquinoline-3-carboxylate

Chemical Name or Material: Ethyl 4-chloro-8-methoxyquinoline-3-carboxylate CAS: 27568-05-4 Molecular Formula: C13H12ClNO3 Formula Weight: 265.7 MDL Number: MFCD00173395 Synonym: 4-Chloro-8-methoxyquinoline-3-carboxylic acid ethyl ester ETHYL 4-CHLORO-8-METHOXYQUINOLINE-3-CARBOXYLATE1G

Alfa Aesar™ 4-Ethynylpyridine hydrochloride, 97%

Chemical Name or Material: 4-Ethynylpyridine hydrochloride CAS: 352530-29-1 Molecular Formula: C7H5N·HCl Formula Weight: 139.58 MDL Number: MFCD03093912 1GR 4-Ethynylpyridine hydrochloride, 97% 1g

Alfa Aesar™ 4-Nitrophthalimide, 98%

Chemical Name or Material: 4-Nitrophthalimide CAS: 89-40-7 Molecular Formula: C8H4N2O4 Formula Weight: 192.13 MDL Number: MFCD00005884 Beilstein: 180224 4-NITROPHTHALIMIDE, 98% 5G

Alfa Aesar™ 2,5-Bis(diethylamino)phenyl-1,3,4-oxadiazole, 98%

Chemical Name or Material: 2,5-Bis(diethylamino)phenyl-1,3,4-oxadiazole CAS: 1679-98-7 Molecular Formula: C22H28N4O Formula Weight: 364.49 MDL Number: MFCD00798595 Beilstein: 569499 2,5-BIS(DIETHYLAMINO)PHENYL-134-OXADIAZOLE,25G

1-Methyl-1H-pyrazole-4-boronic acid hydrochloride, 95%, Acros Organics

Chemical Name or Material: 1-Methyl-1H-pyrazole-4-boronic acid hydrochloride Assay Percent Range: 95% Molecular Formula: C4H7BN2O2·ClH Formula Weight: 162.38 5GR 1-Methyl-1H-pyrazole-4-boronic acid hydrochloride, 95%

Alfa Aesar™ 6-Bromo-3-(3-oxycyclopentyl)indole, 95%

Chemical Name or Material: 6-Bromo-3-(3-oxycyclopentyl)indole CAS: 676170-06-2 Formula Weight: 278.14 Beilstein: 21019370 Synonym: 3-(6-Bromo-3-indolyl)cyclopentanone 1GR 6-Bromo-3-(3-oxycyclopentyl)indole, 95% 1g

Pyridine hydrochloride, 98%, pure, ACROS Organics™

Chemical Name or Material: Pyridine hydrochloride CAS: 628-13-7 Purity Grade: Pure Assay: ≥97.5% (Argentometry) Assay Percent Range: 98% Molecular Formula: C5H5N·ClH Formula Weight: 115.56 Synonym: Pyridinium chloride 2.5KG Pyridine hydrochloride, 98%, pure

Alfa Aesar™ 1-Allylimidazole, 99%

Chemical Name or Material: 1-Allylimidazole CAS: 31410-01-2 Molecular Formula: C6H8N2 Formula Weight: 108.14 MDL Number: MFCD00037894 UN Number: UN3267 Beilstein: 605953 1-ALLYLIMIDAZOLE, 99% 50G

Trithiocyanuric acid, 95%, ACROS Organics™

Chemical Name or Material: Trithiocyanuric acid CAS: 638-16-4 Assay: ≥94% Assay Percent Range: 95% Molecular Formula: C3H3N3S3 Formula Weight: 177.26 MDL Number: MFCD00006052 Synonym: s-Triazine-2, 4, 6-trithiol 5GR Trithiocyanuric acid, 95%

Epichlorohydrin, 99%, ACROS Organics™

Chemical Name or Material: Epichlorohydrin Assay: ≥98.5% Assay Percent Range: 99% Molecular Formula: C3H5ClO Formula Weight: 92.52 Synonym: 1-Chloro-2, 3-epoxypropane 25ML Epichlorohydrin, 99%

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