Heterocyclic Building Blocks

Alfa Aesar™ 1-n-Butyl-3-methylimidazolium bromide, 99%

Chemical Name or Material: 1-n-Butyl-3-methylimidazolium bromide CAS: 85100-77-2 Molecular Formula: C8H15BrN2 Formula Weight: 219.12 MDL Number: MFCD03427611 Synonym: BMIMBr

(S)-N-BOC-Piperidine-2-carboxylic acid, 98%, ACROS Organics™

Chemical Name or Material: (S)-N-BOC-Piperidine-2-carboxylic acid CAS: 26250-84-0 CAS Min %: 97.5 CAS Max %: 100.0 Assay: ≥97.5% Assay Percent Range: 98% Molecular Formula: C11H19NO4 Formula Weight: 229.27 MDL Number: MFCD00151904

2-Benzoylpyridine, 99+%, ACROS Organics™

Chemical Name or Material: 2-Benzoylpyridine Name Note: 99+% CAS: 91-02-1 CAS Min %: 99.0 CAS Max %: 100.0 Assay: ≥99.0% Assay Percent Range: 99+% Molecular Formula: C12H9NO Linear Formula: C6H5CO(C5H4N) Formula Weight: 183.21 MDL Number: MFCD00006300 Synonym: Phenyl-2-pyridyl ketone

6-Amino-1-methyl-1H-indazole, 97%, ACROS Organics™

Chemical Name or Material: 6-Amino-1-methyl-1H-indazole CAS: 74728-65-7 CAS Min %: 96.0 CAS Max %: 100.0 Assay Percent Range: 97% Molecular Formula: C8H9N3 Formula Weight: 147.18 MDL Number: MFCD00456076

Alfa Aesar™ Pyrrole-3-carboxylic acid, 98+%

Chemical Name or Material: Pyrrole-3-carboxylic acid CAS: 931-03-3 Molecular Formula: C5H5NO2 Formula Weight: 111.1 MDL Number: MFCD00800594 Beilstein: 108642

Alfa Aesar™ 3,3'-Di-n-hexyloxacarbocyanine iodide, 98%

Chemical Name or Material: 3,3'-Di-n-hexyloxacarbocyanine iodide CAS: 53213-82-4 Formula Weight: 572.53 MDL Number: MFCD00011954 Beilstein: 9312562

Alfa Aesar™ Chromone-2-carboxylic acid, 97%

Chemical Name or Material: Chromone-2-carboxylic acid CAS: 4940-39-0 Molecular Formula: C10H6O4 Formula Weight: 190.15 MDL Number: MFCD00006838 Beilstein: 146442 Merck Index: 14,2237 Synonym: Chromocarb; 4-Oxo-4H-1-benzopyran-2-carboxylic acid

Alfa Aesar™ 3-Bromo-4-methoxypyridine, 97%

Chemical Name or Material: 3-Bromo-4-methoxypyridine CAS: 82257-09-8 Formula Weight: 188.02 MDL Number: MFCD05664024 Beilstein: 1423610

Alfa Aesar™ Ethyl 4-chloro-6,8-dimethylquinoline-3-carboxylate

Chemical Name or Material: Ethyl 4-chloro-6,8-dimethylquinoline-3-carboxylate CAS: 31602-09-2 Molecular Formula: C14H14ClNO2 Formula Weight: 263.73 MDL Number: MFCD00173394 Beilstein: 406421 Synonym: 4-Chloro-6,8-dimethylquinoline-3-carboxylic acid ethyl ester

Alfa Aesar™ 2-Amino-5-iodo-4,6-dimethylpyridine, 95%

Chemical Name or Material: 2-Amino-5-iodo-4,6-dimethylpyridine CAS: 885952-12-5 Molecular Formula: C7H9IN2 Formula Weight: 248.07 MDL Number: MFCD06798226 Synonym: 4,6-Dimethyl-5-iodo-2-pyridinamine; 6-Amino-2,4-dimethyl-3-iodopyridine

Alfa Aesar™ Octamethylcyclotetrasiloxane, 98%

Chemical Name or Material: Octamethylcyclotetrasiloxane CAS: 556-67-2 Molecular Formula: C8H24O4Si4 Formula Weight: 296.62 MDL Number: MFCD00003269 UN Number: UN1993 Beilstein: 1787074 Merck Index: 14,6747

Alfa Aesar™ 1,8-Naphthalimide, 98%

Chemical Name or Material: 1,8-Naphthalimide CAS: 81-83-4 Molecular Formula: C12H7NO2 Formula Weight: 197.2 MDL Number: MFCD00006920 Beilstein: 153150

Alfa Aesar™ 1-Benzyl-4-(methylamino)piperidine, 98%

Chemical Name or Material: 1-Benzyl-4-(methylamino)piperidine CAS: 7006-50-0 Molecular Formula: C13H20N2 Formula Weight: 204.31 MDL Number: MFCD03931054 Synonym: 1-Benzyl-4-(N-methyl)piperidinamine

Alfa Aesar™ 3-Ethoxythiophene-2-carboxylic acid, 97%

Chemical Name or Material: 3-Ethoxythiophene-2-carboxylic acid CAS: 139926-23-1 Molecular Formula: C7H8O3S Formula Weight: 172.2 MDL Number: MFCD00205205

Alfa Aesar™ Quinolinium dichromate, 97%

Chemical Name or Material: Quinolinium dichromate CAS: 56549-24-7 Formula Weight: 476.33 MDL Number: MFCD00059108 UN Number: UN3087

Oxindole 97%, ACROS Organics™

Chemical Name or Material: Oxindole Name Note: 97% CAS: 59-48-3 Purity Grade: Extra Pure Assay Percent Range: 97% Molecular Formula: C8H7NO Formula Weight: 133.15 MDL Number: MFCD00005711 Synonym: 2-Indolinone

1H-Indazole-7-carboxylic acid, 97%, ACROS Organics™

Chemical Name or Material: 1H-Indazole-7-carboxylic acid CAS: 677304-69-7 CAS Min %: 96.0 CAS Max %: 100.0 Assay: ≥96.0% Assay Percent Range: 97% Molecular Formula: C8H6N2O2 Formula Weight: 162.15 MDL Number: MFCD06804572

Alfa Aesar™ 4-n-Propoxypiperidine, 95%

Chemical Name or Material: 4-n-Propoxypiperidine CAS: 88536-11-2 Molecular Formula: C8H17NO Formula Weight: 143.23 MDL Number: MFCD06248727

Alfa Aesar™ 2-Hydroxybenzimidazole, 98%

Chemical Name or Material: 2-Hydroxybenzimidazole CAS: 615-16-7 Molecular Formula: C7H6N2O Formula Weight: 134.14 MDL Number: MFCD00127894 Beilstein: 119866 Synonym: 1,3-Dihydro-2H-benzimidazol-2-one; 2-Benzimidazolinone

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

Methyleindole-6-carboxylate, 97%, ACROS Organics™

Chemical Name or Material: Methyleindole-6-carboxylate CAS: 50820-65-0 Assay: ≥96.0% Assay Percent Range: 97% Molecular Formula: C10H9NO2 Formula Weight: 175.19 MDL Number: MFCD00211063

Alfa Aesar™ 5-Amino-1,3-dimethyl-1H-pyrazole, 98%

Chemical Name or Material: 5-Amino-1,3-dimethyl-1H-pyrazole CAS: 3524-32-1 Molecular Formula: C5H9N3 Formula Weight: 111.14 MDL Number: MFCD00051651 Beilstein: 113420 Synonym: 1,3-Dimethyl-1H-pyrazol-5-amine

Alfa Aesar™ 1-n-Butyl-3-methylimidazolium n-octyl sulfate, 99%

Chemical Name or Material: 1-n-Butyl-3-methylimidazolium n-octyl sulfate CAS: 445473-58-5 Molecular Formula: C16H32N2O4S Formula Weight: 348.5 MDL Number: MFCD03788914 Synonym: ECOENG 418; BMIM OSU

Alfa Aesar™ Furan-2-thiocarboxamide, 97%

Chemical Name or Material: Furan-2-thiocarboxamide CAS: 17572-09-7 Molecular Formula: C5H5NOS Formula Weight: 127.16 MDL Number: MFCD01935200

1-(Tetrahydro-2-furoyl)piperazine, 98%, ACROS Organics™

Chemical Name or Material: 1-(Tetrahydro-2-furoyl)piperazine Name Note: 98% CAS: 63074-07-7 CAS Min %: 97.5 CAS Max %: 100.0 Assay: ≥97.5% Assay Percent Range: 98% Molecular Formula: C9H16N2O2 Formula Weight: 184.24 MDL Number: MFCD00190247

L-5-Hydroxytryptophan, 99%, ACROS Organics™

Chemical Name or Material: L-5-Hydroxytryptophan CAS: 895096 Assay: 98.5 to 101.5% (on dry substance) Assay Percent Range: 99% Molecular Formula: C11H12N2O3 Formula Weight: 220.23 MDL Number: MFCD00064341

Alfa Aesar™ 2,4-Diamino-6-hydroxypyrimidine, 96%

Chemical Name or Material: 2,4-Diamino-6-hydroxypyrimidine CAS: 56-06-4 Molecular Formula: C4H6N4O Formula Weight: 126.12 MDL Number: MFCD00006098 Merck Index: 14,2981 Synonym: 2,6-Diamino-4-pyrimidinol

Alfa Aesar™ 2-Methylnaphtho[2,3-d]oxazole, 98%

Chemical Name or Material: 2-Methylnaphtho[2,3-d]oxazole CAS: 20686-66-2 Molecular Formula: C12H9NO Formula Weight: 183.21 MDL Number: MFCD00624597

Alfa Aesar™ 4-Ethylpyridine, 98%

Chemical Name or Material: 4-Ethylpyridine CAS: 536-75-4 Molecular Formula: C7H9N Formula Weight: 107.16 MDL Number: MFCD00006450 UN Number: UN1993 Beilstein: 106481 Merck Index: 14,3849

Alfa Aesar™ Myosmine, 98%, may contain up to 2% water

Chemical Name or Material: Myosmine CAS: 532-12-7 Molecular Formula: C9H10N2 Formula Weight: 146.19 MDL Number: MFCD00052019 Beilstein: 119254 Synonym: 3-(3,4-Dihydro-2H-pyrrol-5-yl)pyridine; 3-(1-Pyrrolin-2-yl)pyridine

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