Heterocyclic Building Blocks

Alfa Aesar™ Ethyl 2-amino-4-methylthiazole-5-carboxylate, 97%

Chemical Name or Material: Ethyl 2-amino-4-methylthiazole-5-carboxylate CAS: 7210-76-6 Molecular Formula: C7H10N2O2S Formula Weight: 186.22 MDL Number: MFCD00123414 Synonym: 2-Amino-4-methylthiazole-5-carboxylic acid ethyl ester ETHYL 2-AMINO-4-METHYLTHIAZOLE-5-CARBOXYLATE,25G

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 5GR 1-Benzyl-3-methylpiperazine hydrochloride, 98+% 5g

Alfa Aesar™ 4-Chloro-8-methoxy-2-methylquinoline, 95%

Chemical Name or Material: 4-Chloro-8-methoxy-2-methylquinoline CAS: 64951-58-2 Molecular Formula: C11H10ClNO Formula Weight: 207.66 MDL Number: MFCD00272401 Synonym: 4-Chloro-8-methoxyquinaldine 4-CHLORO-8-METHOXY-2-METHYLQUINOLINE5G

Alfa Aesar™ 3-Amino-5-bromo-1-methyl-1H-indazole, 97%

Chemical Name or Material: 3-Amino-5-bromo-1-methyl-1H-indazole CAS: 1000018-06-3 Molecular Formula: C8H8BrN3 Formula Weight: 226.08 MDL Number: MFCD09864804 Synonym: 5-Bromo-1-methyl-1H-indazol-3-amine 250MG 3-Amino-5-bromo-1-methyl-1H-indazole, 97% 250mg

Alfa Aesar™ 1-n-Butyl-6-chloro-2-((E)-2-[4-(dimethylamino)phenyl]ethenyl)benzo[cd]indolium tetrafluoroborate, 96%

500MG 1-n-Butyl-6-chloro-2-((E)-2-[4-(dimethylamino)phenyl]ethenyl)benzo[cd]indolium tetrafluorobora

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

Chemical Name or Material: 2-Chloro-N-(4-methoxyphenyl)pyridine-4-carboxamide CAS: 1019371-98-2 Molecular Formula: C13H11ClN2O2 Formula Weight: 262.69 MDL Number: MFCD11522844 Synonym: 2-Chloro-N-(4-methoxyphenyl)isonicotinamide 1GR 2-Chloro-N-(4-methoxyphenyl)pyridine-4-carboxamide, 95% 1g

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

2-Phenylbenzimidazole-5-sulfonic acid, 98%, ACROS Organics™

Chemical Name or Material: 2-Phenylbenzimidazole-5-sulfonic acid CAS: 27503-81-7 CAS Min %: 97.5 CAS Max %: 100.0 Assay: ≥97.5% Assay Percent Range: 98% Molecular Formula: C13H10N2O3S Formula Weight: 274.28 MDL Number: MFCD00053007 25GR 2-Phenylbenzimidazole-5-sulfonic acid, 98%

Alfa Aesar™ 4-(3,5-Dimethyl-4H-1,2,4-triazol-4-yl)piperidine, 95%

Chemical Name or Material: 4-(3,5-Dimethyl-4H-1,2,4-triazol-4-yl)piperidine CAS: 795310-52-0 Molecular Formula: C9H16N4 Formula Weight: 180.25 MDL Number: MFCD08061013 4-(3,5-DIMETHYL-4H-1,2,4-TRIAZOL-4-YL)PIPERIDINE1G

Alfa Aesar™ 1-[3-Bromo-5-(trifluoromethyl)phenylsulfonyl]-2-methylpiperidine, 97%

Chemical Name or Material: 1-[3-Bromo-5-(trifluoromethyl)phenylsulfonyl]-2-methylpiperidine Formula Weight: 386.23 MDL Number: MFCD27975688 1GR 1-[3-Bromo-5-(trifluoromethyl)phenylsulfonyl]-2-methylpiperidine, 97% 1g

Alfa Aesar™ 3-Amidinopyridine hydrochloride, 97%

Chemical Name or Material: 3-Amidinopyridine hydrochloride CAS: 7356-60-7 Molecular Formula: C6H7N3·HCl Formula Weight: 157.6 MDL Number: MFCD00054326 Synonym: Pyridine-3-carboximidamide hydrochloride 3-AMIDINOPYRIDINIUM CHLORIDE, 97%,25G

Alfa Aesar™ 2-(2-Naphthyl)indole, 98%

Chemical Name or Material: 2-(2-Naphthyl)indole CAS: 23746-81-8 Molecular Formula: C18H13N Formula Weight: 243.31 MDL Number: MFCD00124144 2-(2-NAPHTHYL)INDOLE, 98% 1G

Alfa Aesar™ 6-Aminoindole, 98%

Chemical Name or Material: 6-Aminoindole CAS: 5318-27-4 Molecular Formula: C8H8N2 Formula Weight: 132.17 MDL Number: MFCD02093959 Beilstein: 112190 Synonym: 6-Indolamine 6-AMINOINDOLE, 98% 100MG

Alfa Aesar™ o-Benzoic sulfimide sodium salt hydrate, 99%

Chemical Name or Material: o-Benzoic sulfimide sodium salt hydrate CAS: 82385-42-0 Molecular Formula: C7H4NNaO3S·xH2O Formula Weight: 205.16 (Anhydrous) MDL Number: MFCD00151213 Beilstein: 3599229 Merck Index: 14,8312 Synonym: 1,2-Benzisothiazol-3(2H)-one 1,1-dioxide sodium salt hydrate; Saccharin sodium hydrate O-BENZOIC SULFIMIDE SODIUMSALT DIHYDRATE ,5000G

Alfa Aesar™ 6-(4-Bromophenyl)imidazo[2,1-b]thiazole

Chemical Name or Material: 6-(4-Bromophenyl)imidazo[2,1-b]thiazole CAS: 7120-13-0 Molecular Formula: C11H7BrN2S Formula Weight: 279.16 MDL Number: MFCD00269210 6-(4-BROMOPHENYL)IMIDAZO(2,1-B)(1,3)THIAZOLE250MG

Alfa Aesar™ 1,6-Naphthyridin-2(1H)-one, 97%

Chemical Name or Material: 1,6-Naphthyridin-2(1H)-one CAS: 23616-29-7 Molecular Formula: C8H6N2O Formula Weight: 146.15 MDL Number: MFCD07781179 1,6-NAPHTHYRIDIN-2(1H)-ONE1G

Alfa Aesar™ Methyl 4-methoxyindole-2-carboxylate, 99%

Chemical Name or Material: Methyl 4-methoxyindole-2-carboxylate CAS: 111258-23-2 Molecular Formula: C11H11NO3 Formula Weight: 205.21 MDL Number: MFCD00134300 Synonym: 4-Methoxyindole-2-carboxylic acid methyl ester METHYL 4-METHOXYINDOLE-2- CARBOXYLATE, 99% 1G

Alfa Aesar™ 6-Aminocoumarin hydrochloride, 97%

Chemical Name or Material: 6-Aminocoumarin hydrochloride CAS: 63989-79-7 Molecular Formula: C9H7NO2·HCl Formula Weight: 197.62 MDL Number: MFCD00082671 Beilstein: 3698955 Synonym: 6-Coumarinamine hydrochloride 6-AMINOCOUMARIN HYDROCHLORIDE, 97%,1G

Alfa Aesar™ 1-n-Butyl-3-methylimidazolium tetrafluoroborate, 98+%

Chemical Name or Material: 1-n-Butyl-3-methylimidazolium tetrafluoroborate CAS: 174501-65-6 Molecular Formula: C8H15BF4N2 Formula Weight: 226.03 MDL Number: MFCD03095449 Synonym: BMIMBF4 1-N-BUTYL-3-METHYLIMIDAZOLIUM TETRAFLUOROBORATE,10

Alfa Aesar™ 2-Pyridineacetonitrile, 99%

Chemical Name or Material: 2-Pyridineacetonitrile CAS: 2739-97-1 Molecular Formula: C7H6N2 Formula Weight: 118.14 MDL Number: MFCD00006346 UN Number: UN3439 Beilstein: 111215 Synonym: 2-Pyridylacetonitrile PYRIDINE-2-ACETONITRILE, 97%,25G

4-Bromo-2-chloropyridine, 97%, ACROS Organics™

Chemical Name or Material: 4-Bromo-2-chloropyridine CAS: 73583-37-6 CAS Min %: 96.0 CAS Max %: 100.0 Assay: ≥96.0% (GC) Assay Percent Range: 97% Molecular Formula: C5H3BrClN Formula Weight: 192.44 MDL Number: MFCD03840756 5GR 4-Bromo-2-chloropyridine, 97%

Alfa Aesar™ 4-Amino-3-bromo-2-chloropyridine, 97+%

Chemical Name or Material: 4-Amino-3-bromo-2-chloropyridine CAS: 215364-85-5 Molecular Formula: C5H4BrClN2 Formula Weight: 207.46 MDL Number: MFCD09263478 Synonym: 3-Bromo-2-chloro-4-pyridinamine 5GR 4-Amino-3-bromo-2-chloropyridine, 97+% 5g

Alfa Aesar™ 6-Aza-2-thiothymine, 98%

Chemical Name or Material: 6-Aza-2-thiothymine CAS: 615-76-9 Molecular Formula: C4H5N3OS Formula Weight: 143.17 MDL Number: MFCD00006458 Beilstein: 4861 6-AZA-2-THIOTHYMINE, 98% 100G

Alfa Aesar™ 1-Boc-4,5-dicyano-2-(3-pyridyl)imidazole, 97%

Chemical Name or Material: 1-Boc-4,5-dicyano-2-(3-pyridyl)imidazole Molecular Formula: C15H13N5O2 Formula Weight: 295.3 MDL Number: MFCD20265231 1GR 1-Boc-4,5-dicyano-2-(3-pyridyl)imidazole, 97% 1g

Alfa Aesar™ 3,4-Methylenedioxy-beta-nitrostyrene, 98%

Chemical Name or Material: 3,4-Methylenedioxy-beta-nitrostyrene CAS: 1485-00-3 Molecular Formula: C9H7NO4 Formula Weight: 193.16 MDL Number: MFCD00014575 Beilstein: 192350 Synonym: 1-(3,4-Methylenedioxy)phenyl-2-nitroethene; MNS 3,4-METHYLENEDIOXY-BETA-NITROSTYRENE, 98%,10G

Rose Bengal, 85%, pure, high purity, Biological stain, ACROS Organics™

Chemical Name or Material: Rose Bengal CAS: 632-69-9 Purity Grade: Pure Assay Percent Range: 85% Molecular Formula: C20H2Cl4I4Na2O5 Formula Weight: 1017.65 MDL Number: MFCD00005043 Synonym: Acid Red 94 25GR Rose Bengal, 85%, pure, high purity, Biological stain

Alfa Aesar™ 7-Aminoindole, 97%

Chemical Name or Material: 7-Aminoindole CAS: 5192-04-1 Molecular Formula: C8H8N2 Formula Weight: 132.17 MDL Number: MFCD02093960 Beilstein: 471787 Synonym: 7-Indolamine 7-AMINOINDOLE 500MG

Alfa Aesar™ 2-(5-Bromo-2-furyl)thiazolidine-4-carboxylic acid, 97%

Chemical Name or Material: 2-(5-Bromo-2-furyl)thiazolidine-4-carboxylic acid Formula Weight: 278.12 MDL Number: MFCD09945317 1GR 2-(5-Bromo-2-furyl)thiazolidine-4-carboxylic acid, 97% 1g

Caffeine, 1mg/ml in methanol, ACROS Organics™

1ML Caffeine, 1mg/ml in methanol

4-Bromo-2-hydroxypyridine, 97%, ACROS Organics™

Chemical Name or Material: 4-Bromo-2-hydroxypyridine CAS: 36953-37-4 CAS Min %: 96.0 CAS Max %: 100.0 Assay: ≥96.0% Assay Percent Range: 97% Molecular Formula: C5H4BrNO Formula Weight: 174 MDL Number: MFCD00234041 5GR 4-Bromo-2-hydroxypyridine, 97%

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