Heterocyclic Building Blocks

4-Dimethylaminopyridine, 99%, ACROS Organics™

Chemical Name or Material: 4-Dimethylaminopyridine CAS: 1122-58-3 CAS Min %: 98.5 CAS Max %: 100.0 Assay Percent Range: 99% Molecular Formula: C7H10N2 Linear Formula: (C5H4N)N(CH3)2 Formula Weight: 122.17 MDL Number: MFCD00006418 Synonym: 4-DMAP 5GR 4-Dimethylaminopyridine, 99%

FerroZine™ iron reagent, hydrate, 98+%, pure, ACROS Organics™

Chemical Name or Material: FerroZine™ iron reagent, hydrate Purity Grade: Pure Assay: ≥98% Assay Percent Range: 98+% Molecular Formula: C20H13N4NaO6S2·xH2O Formula Weight: 492.46 1GR FerroZine

(S)-(-)-Glycidol, 97%, (98% ee), ACROS Organics™

Chemical Name or Material: (S)-(-)-Glycidol Name Note: 98% ee CAS: 60456-23-7 CAS Min %: 96.0 CAS Max %: 100.0 Assay: ≥96.0% (GC) Assay Percent Range: 97% Molecular Formula: C3H6O2 Formula Weight: 74.08 MDL Number: MFCD00074874 Synonym: (S)-2, 3-Epoxy-1-propanol 5GR (S)-(-)-Glycidol, 97%, (98% ee)

Cyclopentene oxide, 98%, Acros Organics™

Chemical Name or Material: Cyclopentene oxide Assay: 98% Assay Percent Range: 98% Molecular Formula: C5H8O Formula Weight: 84.12 100GR Cyclopentene oxide, 98%

2,4-Pyridinedicarboxylic Acid +99%, ACROS Organics™

Chemical Name or Material: 2, 4-Pyridinedicarboxylic acid hydrate Name Note: 99+% CAS: 499-80-9 CAS Min %: 99.0 CAS Max %: 100.0 Assay: ≥99.0% (on dry substance) Assay Percent Range: 99+% Molecular Formula: C7H5NO4·xH2O Linear Formula: (C5H3N)(COOH)2·xH2O Formula Weight: 167.12 MDL Number: MFCD00149413 1GR 2,4-Pyridinedicarboxylic acid hydrate, 99+%

N-Hydroxysuccinimide, 98+%, ACROS Organics™

Chemical Name or Material: N-Hydroxysuccinimide Name Note: 98+% CAS: 6066-82-6 CAS Min %: 98.0 CAS Max %: 100.0 Assay: ≥98% Assay Percent Range: 98+% Molecular Formula: C4H5NO3 Formula Weight: 115.09 MDL Number: MFCD00005516 Synonym: 1-Hydroxy-2, 5-pyrrolidinedione 100GR N-Hydroxysuccinimide, 98+%

Coumarin 2, Laser Grade 99%, ACROS Organics™

500MG Coumarin 2, 99%, laser grade

3-Hydroxy-1-methyl-5,6-indolinedione, 98%, ACROS Organics™

Chemical Name or Material: 3-Hydroxy-1-methyl-5, 6-indolinedione CAS: 54-06-8 CAS Min %: 97.5 CAS Max %: 100.0 Assay Percent Range: 98% Molecular Formula: C9H9NO3 Formula Weight: 179.17 MDL Number: MFCD00069732 Synonym: Adrenochrome 250MG 3-Hydroxy-1-methyl-5,6-indolinedione, 98%

4-Picoline 99%, ACROS Organics™

Chemical Name or Material: 4-Picoline CAS: 108-89-4 CAS Min %: 98.5 CAS Max %: 100.0 Assay: ≥98.5% Assay Percent Range: 99% Molecular Formula: C6H7N Formula Weight: 93.13 MDL Number: MFCD00006440 Synonym: 4-Methylpyridine 2.5LT 4-Picoline, 99%

Imidazole, ACS reagent, ACROS Organics™

Chemical Name or Material: Imidazole Name Note: For analysis ACS CAS: 288-32-4 Purity Grade: ACS Reagent Grade Assay: ≥99% Molecular Formula: C3H4N2 Formula Weight: 68.08 MDL Number: MFCD00005183 Synonym: Glyoxaline 500GR Imidazole, ACS reagent

Urocanic acid, 98%, ACROS Organics™

Chemical Name or Material: Urocanic acid CAS: 104-98-3 Assay: 98% Assay Percent Range: 98% Molecular Formula: C6H6N2O2 Formula Weight: 138.13 MDL Number: MFCD00005203 Synonym: 4-Imidazoleacrylic acid 5GR Urocanic acid, 98%

9-Hydroxyxanthene, 98%, ACROS Organics™

Chemical Name or Material: 9-Hydroxyxanthene Name Note: 99% CAS: 90-46-0 CAS Min %: 97.5 CAS Max %: 100.0 Assay: ≥97.5% Assay Percent Range: 98% Molecular Formula: C13H10O2 Formula Weight: 198.22 MDL Number: MFCD00005057 Synonym: 9H-Xanthen-9-ol, Xanthydrol 25GR 9-Hydroxyxanthene, 98%

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 2.5LT Pyridine, 99.5%, Extra Dry over Molecular Sieve, AcroSeal

Isonicotinoyl chloride hydrochloride, 97%, ACROS Organics™

Chemical Name or Material: Isonicotinoyl chloride hydrochloride CAS: 39178-35-3 Assay: 97% Assay Percent Range: 97% Molecular Formula: C6H4ClNO·ClH Formula Weight: 178.02 MDL Number: MFCD00012830 100GR Isonicotinoyl chloride hydrochloride, 97%

Alfa Aesar™ 2-Succinimido-1,1,3,3-tetramethyluronium tetrafluoroborate, 98%

Chemical Name or Material: 2-Succinimido-1,1,3,3-tetramethyluronium tetrafluoroborate CAS: 105832-38-0 Molecular Formula: C9H16BF4N3O3 Formula Weight: 301.05 MDL Number: MFCD00077875 Synonym: TSTU 2-SUCCINIMIDO-1,1,3,3-TETRAMETHYLURONIUM TETRAFL,2

Pyridine, 99+%, extra pure, ACROS Organics™

Chemical Name or Material: Pyridine CAS: 110-86-1 Purity Grade: Extra Pure Assay: ≥99% Assay Percent Range: 99+% Molecular Formula: C5H5N Formula Weight: 79.1 MDL Number: MFCD00011732 1LT Pyridine, 99+%, extra pure

Alfa Aesar™ 4,6-Diamino-2-hydroxy-1,3,5-triazine, tech. 90%

Chemical Name or Material: 4,6-Diamino-2-hydroxy-1,3,5-triazine CAS: 645-92-1 Purity Grade: Technical Grade Molecular Formula: C3H5N5O Formula Weight: 127.11 MDL Number: MFCD00023186 Beilstein: 5570 Synonym: Ammeline 4,6-DIAMINO-2-HYDROXY-1,3,5-TRIAZINE, TECH. 90%,1G

1-Methyl-2-pyrrolidinone, ACS reagent, ACROS Organics™

Chemical Name or Material: 1-Methyl-2-pyrrolidinone CAS: 872-50-4 Purity Grade: ACS Reagent Grade Assay: ≥99.5% Molecular Formula: C5H9NO Formula Weight: 99.13 Synonym: NMP, N-Methylpyrrolidone 2.5LT 1-Methyl-2-pyrrolidinone, ACS reagent

5-Fluoro-2-hydroxypyridine, 97%, ACROS Organics™

Chemical Name or Material: 5-Fluoro-2-hydroxypyridine CAS: 51173-05-8 CAS Min %: 96.0 CAS Max %: 100.0 Assay: 97% Assay Percent Range: 97% Molecular Formula: C5H4FNO Formula Weight: 113.09 MDL Number: MFCD03092918 25GR 5-Fluoro-2-hydroxypyridine, 97%

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

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

6-Amino-3-methyl-1,3-benzoxazol-2(3H)-one, 90%, ACROS Organics™

Chemical Name or Material: 6-Amino-3-methyl-1, 3-benzoxazol-2(3H)-one CAS: 99584-10-8 CAS Min %: 88.0 CAS Max %: 100.0 Assay: ≥88.0% Assay Percent Range: 90% Molecular Formula: C8H8N2O2 Formula Weight: 164.17 MDL Number: MFCD07801206 5GR 6-Amino-3-methyl-1,3-benzoxazol-2(3H)-one, 90%

Alfa Aesar™ N-Phenylmaleimide, 98+%

Chemical Name or Material: N-Phenylmaleimide CAS: 941-69-5 Molecular Formula: C10H7NO2 Formula Weight: 173.17 MDL Number: MFCD00005502 UN Number: UN2811 Beilstein: 125098 Merck Index: 14,7299 Synonym: 1-Phenyl-1H-pyrrole-2,5-dione N-PHENYLMALEIMIDE, 98+% 100G

Alfa Aesar™ 4-(2-Thiazolylcarbamoyl)benzeneboronic acid, 97+%

Chemical Name or Material: 4-(2-Thiazolylcarbamoyl)benzeneboronic acid CAS: 850568-26-2 Molecular Formula: C10H9BN2O3S Formula Weight: 248.06 MDL Number: MFCD06659877 Synonym: 4-(2-Thiazolylaminocarbonyl)phenylboronic acid 250MG 4-(2-Thiazolylcarbamoyl)benzeneboronic acid, 97+% 250mg

Diethyl pyrazole-3,5-dicarboxylate, 99%, ACROS Organics™

Chemical Name or Material: Diethyl pyrazole-3,5-dicarboxylate Name Note: 99% CAS: 37687-24-4 Assay: 99% Assay Percent Range: 99% Molecular Formula: C9H12N2O4 Formula Weight: 212.21 MDL Number: MFCD00152167 1GR Diethyl pyrazole-3,5-dicarboxylate, 99%

4-Hydroxycarbazole, 98+%, ACROS Organics™

Chemical Name or Material: 4-Hydroxycarbazole CAS: 52602-39-8 CAS Min %: 98.0 CAS Max %: 100.0 Assay: ≥98.0% Assay Percent Range: 98+% Molecular Formula: C12H9NO Formula Weight: 183.21 MDL Number: MFCD02178385 5GR 4-Hydroxycarbazole, 98+%

Alfa Aesar™ (+)-DIOP, 98%

Chemical Name or Material: (+)-DIOP CAS: 37002-48-5 Molecular Formula: C31H32O2P2 Formula Weight: 498.55 MDL Number: MFCD00009760 Beilstein: 1630280 Synonym: (+)-2,3-O-Isopropylidene-2,3-dihydroxy-1,4-bis(diphenylphosphino)butane (+)-DIOP, 98% 1G

Alfa Aesar™ 5-(2-Fluorophenyl)-2-furoyl chloride

Chemical Name or Material: 5-(2-Fluorophenyl)-2-furoyl chloride CAS: 585566-00-3 Molecular Formula: C11H6ClFO2 Formula Weight: 224.62 MDL Number: MFCD02258009 UN Number: UN3261 Synonym: 5-(2-Fluorophenyl)furan-2-carbonyl chloride 5-(2-FLUOROPHENYL)FURAN-2-CARBONYL CHLORIDE5G

3-Amino-5-methylpyrazole, 97%, ACROS Organics™

Chemical Name or Material: 3-Amino-5-methylpyrazole Name Note: 97% CAS: 31230-17-8 CAS Min %: 96.0 CAS Max %: 100.0 Assay: 97% Assay Percent Range: 97% Molecular Formula: C4H7N3 Formula Weight: 97.12 MDL Number: MFCD00075180 Synonym: 5-Methyl-3-pyrazolamine 100GR 3-Amino-5-methylpyrazole, 97%

1,2,2,6,6-Pentamethyl-4-piperidinol, 99%, ACROS Organics™

Chemical Name or Material: 1,2,2,6,6-Pentamethyl-4-piperidinol Name Note: 99% CAS: 2403-89-6 CAS Min %: 98.5 CAS Max %: 100.0 Assay: ≥98.5% Assay Percent Range: 99% Molecular Formula: C10H21NO Formula Weight: 171.28 MDL Number: MFCD00191220 Synonym: N-Methyl-2,2,6,6-tetramethyl-4-piperidinol 5GR 1,2,2,6,6-Pentamethyl-4-piperidinol, 99%

Alfa Aesar™ 3-(4-Morpholinyl)propiophenone hydrochloride, 98+%

Chemical Name or Material: 3-(4-Morpholinyl)propiophenone hydrochloride CAS: 1020-16-2 Molecular Formula: C13H17NO2·HCl Formula Weight: 255.76 MDL Number: MFCD00035332 Beilstein: 3723608 Synonym: 3-(4-Morpholino)propiophenone hydrochloride 3-(4-MORPHOLINO)PROPIOPHENONE HCLCHLORIDE,100G

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