Heterocyclic Building Blocks

Pyridine, 99+%, ACS reagent, ACROS Organics™

Chemical Name or Material: Pyridine CAS: 110-86-1 Purity Grade: ACS Reagent Grade Assay: ≥99% Assay Percent Range: 99+% Molecular Formula: C5H5N Formula Weight: 79.1 MDL Number: MFCD00011732 25LT Pyridine, 99+%, ACS reagent

Alfa Aesar™ 2,3-Dimethylmaleic anhydride, 97%

Chemical Name or Material: 2,3-Dimethylmaleic anhydride CAS: 766-39-2 Molecular Formula: C6H6O3 Formula Weight: 126.11 MDL Number: MFCD00005523 Beilstein: 112044 Synonym: 3,4-Dimethyl-2,5-furandione 2,3-DIMETHYLMALEIC ANHYDRIDE, 97%,5G

4-Methylumbelliferyl-β-D-glucopyranoside, 99%, ACROS Organics™

Chemical Name or Material: 4-Methylumbelliferyl-β-D-glucopyranoside Name Note: 99% CAS: 18997-57-4 CAS Min %: 98.5 CAS Max %: 100.0 Assay: 99% Assay Percent Range: 99% Molecular Formula: C16H18O8 Formula Weight: 338.31 MDL Number: MFCD00063694 2.5GR 4-Methylumbelliferyl-beta-D-glucopyranoside, 99%

Azur eosin methylene-blue, pure, solution according to Giemsa, ACROS Organics™

Chemical Name or Material: Azur eosin methylene-blue CAS: 51811-82-6 CAS: 67-56-1 Purity Grade: Pure MDL Number: MFCD00081642 500ML Azur eosin methylene-blue, pure, solution according to Giemsa

Pyridine, 99.5%, Extra Dry over Molecular Sieve, AcroSeal™, ACROS Organics™

Chemical Name or Material: Pyridine Name Note: Over Molecular Sieves CAS: 110-86-1 Purity Grade: Extra Dry over Molecular Sieve Assay: 99.5% Assay Percent Range: 99.5% Molecular Formula: C5H5N Formula Weight: 79.1 MDL Number: MFCD00011732 1LT Pyridine, 99.5%, Extra Dry over Molecular Sieve, AcroSeal

MES hydrate, 99+%, Acros Organics™

Chemical Name or Material: MES hydrate Name Note: 99% CAS: 1266615-59-1 Purity Grade: For biochemistry Assay: ≥99% Assay Percent Range: 99+% Molecular Formula: C6H13NO4S·xH2O Formula Weight: 195.23 MDL Number: MFCD00149409 Synonym: 4-Morpholinoethanesulfonic acid hydrate 25GR MES hydrate, 99+%, for biochemistry

Quinoline Yellow, Water Soluble 95%, ACROS Organics™

Chemical Name or Material: Quinoline Yellow CAS: 8004-92-0 Purity Grade: Pure Assay: 95% Assay Percent Range: 95% 25GR Quinoline Yellow, 95%, pure, water soluble

Bilirubin, 99%, ACROS Organics™

Chemical Name or Material: Bilirubin CAS: 635-65-4 CAS Min %: 98.5 CAS Max %: 100.0 Assay Percent Range: 99% Molecular Formula: C33H36N4O6 Formula Weight: 584.67 MDL Number: MFCD00005499 5GR Bilirubin, 99%

1,4-Dioxane, 99.5%, Extra Dry over Molecular Sieve, AcroSeal™, ACROS Organics™

Chemical Name or Material: 1, 4-Dioxane Name Note: Over Molecular Sieves CAS: 123-91-1 CAS Min %: 99.4 CAS Max %: 100.0 Purity Grade: Extra Dry over Molecular Sieve Assay: 99.5% Assay Percent Range: 99.5% Molecular Formula: C4H8O2 Formula Weight: 88.11 MDL Number: MFCD00006571 Synonym: Diox 2.5LT 1,4-Dioxane, 99.5%, Extra Dry over Molecular Sieve, stabilized, AcroSeal

8-Azahypoxanthine, 98%, ACROS Organics™

Chemical Name or Material: 8-Azahypoxanthine Name Note: 98% CAS: 2683-90-1 CAS Min %: 97.5 CAS Max %: 100.0 Assay: 98% Assay Percent Range: 98% Molecular Formula: C4H3N5O Formula Weight: 137.1 MDL Number: MFCD00005804 5GR 8-Azahypoxanthine, 98%

Cyanocobalamin 96%, ACROS Organics™

Chemical Name or Material: Cyanocobalamin Name Note: 96% CAS: 68-19-9 Assay Percent Range: 96% Molecular Formula: C63H88CoN14O14P Formula Weight: 1355.38 MDL Number: MFCD00151092 Synonym: Vitamin B12 25GR Cyanocobalamin, 96%

Alfa Aesar™ 2,2':6',2''-Terpyridine-4'-carboxylic acid, 95%

Chemical Name or Material: 2,2':6',2''-Terpyridine-4'-carboxylic acid CAS: 148332-36-9 Formula Weight: 277.28 MDL Number: MFCD04114290 Synonym: 4'-Carboxy-2,2':6',2''-terpyridine 1GR 2,2':6',2''-Terpyridine-4'-carboxylic acid, 95% 1g

2,6-Lutidine, 99%, ACROS Organics™

Chemical Name or Material: 2, 6-Lutidine Name Note: 99% CAS: 108-48-5 CAS Min %: 98.5 CAS Max %: 100.0 Assay: 99% Assay Percent Range: 99% Molecular Formula: C7H9N Formula Weight: 107.15 MDL Number: MFCD00006345 Synonym: 2, 6-Dimethylpyridine 1LT 2,6-Lutidine, 99%

3-Thienylmagnesium iodide, 0.3M solution in THF, AcroSeal™, ACROS Organics™

50ML 3-Thienylmagnesium iodide, 0.3M solution in THF, AcroSeal

Alfa Aesar™ 3,5-Dichloro-4-pyridone, 98%

Chemical Name or Material: 3,5-Dichloro-4-pyridone CAS: 17228-70-5 Molecular Formula: C5H3Cl2NO Formula Weight: 163.99 MDL Number: MFCD00051673 Beilstein: 1524978 Synonym: 3,5-Dichloro-4-hydroxypyridine 3,5-DICHLORO-4-PYRIDONE, 98%,250G

ethyle2-methylnicotinate, 97%, ACROS Organics™

Chemical Name or Material: ethyle2-methylnicotinate CAS: 1721-26-2 Assay: ≥96.0% Assay Percent Range: 97% Molecular Formula: C9H11NO2 Formula Weight: 165.19 MDL Number: MFCD00006336 5GR Ethyl 2-methylnicotinate, 97%

Alfa Aesar™ D-Nipecotic acid, 96+%

Chemical Name or Material: D-Nipecotic acid CAS: 25137-00-2 Molecular Formula: C6H11NO2 Formula Weight: 129.16 MDL Number: MFCD01630787 Synonym: (R)-(-)-Piperidine-3-carboxylic acid; D-Nip-OH 25GR D-Nipecotic acid, 96+%

Alfa Aesar™ Ethyl indole-2-carboxylate, 98+%

Chemical Name or Material: Ethyl indole-2-carboxylate CAS: 3770-50-1 Molecular Formula: C11H11NO2 Formula Weight: 189.21 MDL Number: MFCD00005609 Beilstein: 146395 Synonym: Indole-2-carboxylic acid ethyl ester ETHYL INDOLE-2-CARBOXYLATE98+%,5G

Alfa Aesar™ 2-Chlorothionicotinamide, 97%

Chemical Name or Material: 2-Chlorothionicotinamide Molecular Formula: C6H5ClN2S Formula Weight: 172.63 MDL Number: MFCD16659867 Synonym: 2-Chloropyridine-3-thiocarboxamide 5GR 2-Chlorothionicotinamide, 97% 5g

Alfa Aesar™ 2-Acetyl-5-bromobenzo[b]furan, 99%

Chemical Name or Material: 2-Acetyl-5-bromobenzo[b]furan CAS: 38220-75-6 Molecular Formula: C10H7BrO2 Formula Weight: 239.07 MDL Number: MFCD00276737 2-ACETYL-5-BROMOBENZO(B)FURAN5G

Alfa Aesar™ 4-Benzyloxypyridine N-oxide, 98%

Chemical Name or Material: 4-Benzyloxypyridine N-oxide CAS: 2683-66-1 Molecular Formula: C12H11NO2 Formula Weight: 201.22 MDL Number: MFCD00047427 Beilstein: 165005 4-BENZYLOXYPYRIDINE N-OXIDE, 98%,5G

Alfa Aesar™ 2-(1-Piperazinyl)-N-(n-propyl)nicotinamide

Chemical Name or Material: 2-(1-Piperazinyl)-N-(n-propyl)nicotinamide Molecular Formula: C13H20N4O Formula Weight: 248.33 MDL Number: MFCD08064264 Synonym: 2-(1-Piperazino)-N-propylnicotinamide 2-PIPERAZIN-1-YL-N-PROPYLNICOTINAMIDE1G

Alfa Aesar™ 3-Bromo-6-chloroimidazo[1,2-a]pyridine-2-carboxylic acid hydrate, 95%

Chemical Name or Material: 3-Bromo-6-chloroimidazo[1,2-a]pyridine-2-carboxylic acid hydrate Molecular Formula: C8H4BrClN2O2·xH2O Formula Weight: 275.49 (Anhydrous) MDL Number: MFCD22682824 1GR 3-Bromo-6-chloroimidazo[1,2-a]pyridine-2-carboxylic acid hydrate, 95% 1g

Alfa Aesar™ 2,5-Dihydro-2,5-dimethoxyfuran, cis + trans, 99%

Chemical Name or Material: 2,5-Dihydro-2,5-dimethoxyfuran CAS: 332-77-4 Name Note: cis + trans Molecular Formula: C6H10O3 Formula Weight: 130.14 MDL Number: MFCD00003220 UN Number: UN3271 Beilstein: 113225 Synonym: 2,5-Dimethoxy-2,5-dihydrofuran 2,5-DIMETHOXY-2,5-DIHYDROFURAN CIS + TRANS,250G

Alfa Aesar™ 2-Chloro-N-(3-chlorophenyl)pyridine-4-carboxamide, 95%

Chemical Name or Material: 2-Chloro-N-(3-chlorophenyl)pyridine-4-carboxamide CAS: 588694-31-9 Molecular Formula: C12H8Cl2N2O Formula Weight: 267.11 MDL Number: MFCD11128631 Synonym: 2-Chloro-N-(3-chlorophenyl)isonicotinamide 1GR 2-Chloro-N-(3-chlorophenyl)pyridine-4-carboxamide, 95% 1g

Alfa Aesar™ 2-Bromo-3-(trifluoromethyl)pyridine, 98%

Chemical Name or Material: 2-Bromo-3-(trifluoromethyl)pyridine CAS: 175205-82-0 Molecular Formula: C6H3BrF3N Formula Weight: 226 MDL Number: MFCD00153084 2-BROMO-3-(TRIFLUOROMETHYL)PYRIDINE, 98% 5G

2,2'-Dithiodipyridine, 98%, ACROS Organics™

Chemical Name or Material: 2, 2';-Dithiodipyridine CAS: 2127-03-9 CAS Min %: 97.5 CAS Max %: 100.0 Assay: ≥97.5% (GC) Assay Percent Range: 98% Molecular Formula: C10H8N2S2 Linear Formula: (C5H4N)S-S(C5H4N) Formula Weight: 220.32 MDL Number: MFCD00006287 100GR 2,2'-Dithiodipyridine, 98%

Alfa Aesar™ 6-Fluoropyridine-3-boronic acid, 95%

Chemical Name or Material: 6-Fluoropyridine-3-boronic acid CAS: 351019-18-6 Molecular Formula: C5H5BFNO2 Formula Weight: 140.91 MDL Number: MFCD03411559 Beilstein: 8974962 Synonym: 6-Fluoro-3-pyridylboronic acid 6-FLUOROPYRIDINE-3-BORONIC ACID, 98%5G

Alfa Aesar™ 4-(4-Morpholinylcarbonyl)benzeneboronic acid pinacol ester, 97%

Chemical Name or Material: 4-(4-Morpholinylcarbonyl)benzeneboronic acid pinacol ester CAS: 656239-38-2 Molecular Formula: C17H24BNO4 Formula Weight: 317.19 MDL Number: MFCD05863913 Synonym: 4-(Morpholine-4-carbonyl)phenylboronic acid pinacol ester; 4-[4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)benzoyl]morpholine 4-(4-MORPHOLINYLCARBONYL) BENZENEBORONIC ACID PI-1

Alfa Aesar™ 2-(4-Methyl-1-piperazinyl)thiazole-5-carboxaldehyde, 99%

Chemical Name or Material: 2-(4-Methyl-1-piperazinyl)thiazole-5-carboxaldehyde CAS: 320423-50-5 Molecular Formula: C9H13N3OS Formula Weight: 211.29 MDL Number: MFCD01568852 2-(4-METHYLPIPERAZIN-1-YL)THIAZOLE-5-CARBOXAL-250M

  spinner