Heterocyclic Building Blocks

MES, 99+%, <1% water, ACROS Organics™

Chemical Name or Material: MES CAS: 4432-31-9 Assay: ≥99% Assay Percent Range: 99+% Molecular Formula: C6H13NO4S Formula Weight: 195.24 MDL Number: MFCD00006181 Synonym: 2-(N-Morpholino)ethanesulfonic acid 50GR MES, 99%, <1% water

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 25LT Pyridine, 99+%, extra pure

4-(Hydroxymethyl)-1,3-dioxolan-2-one, 90%, ACROS Organics™

25GR 4-(Hydroxymethyl)-1,3-dioxolan-2-one, 90%

Hemin, 99%, porcine, ACROS Organics™

Chemical Name or Material: Hemin Name Note: 99% CAS: 16009-13-5 Assay: ≥97.5% (HPLC) Assay Percent Range: 98% Molecular Formula: C34H32ClFeN4O4 Formula Weight: 651.95 MDL Number: MFCD00010726 Synonym: Chloroprotoporphyrin IX iron(III) 25GR Hemin, 98%, porcine

Aflatoxin B1, crystalline, ACROS Organics™

Chemical Name or Material: Aflatoxin B1 CAS: 1162-65-8 Molecular Formula: C17H12O6 Formula Weight: 312.27 MDL Number: MFCD00869647 10MG Aflatoxin B1, crystalline

Alfa Aesar™ Piperazine dihydrochloride monohydrate, 98%

Chemical Name or Material: Piperazine dihydrochloride monohydrate CAS: 6091-62-9 Molecular Formula: C4H10N2·2HCl·H2O Formula Weight: 177.08 (159.06 Anhydrous) MDL Number: MFCD00150089 PIPERAZINE DIHYDROCHLORIDEMONOHYDRATE, 98%,1000G

Alfa Aesar™ 5-Hydroxymethyl-2-furaldehyde, 97%

Chemical Name or Material: 5-Hydroxymethyl-2-furaldehyde CAS: 67-47-0 Molecular Formula: C6H6O3 Formula Weight: 126.11 MDL Number: MFCD00003234 Beilstein: 110889 Merck Index: 14,4832 Synonym: 5-(Hydroxymethyl)furfural 5-(HYDROXYMETHYL)-2-FURALDEHYDE, 99%,25G

Alfa Aesar™ 2,4-Dichloro-6-(4-fluorophenylamino)-1,3,5-triazine

Chemical Name or Material: 2,4-Dichloro-6-(4-fluorophenylamino)-1,3,5-triazine CAS: 131468-33-2 Molecular Formula: C9H5Cl2FN4 Formula Weight: 259.07 MDL Number: MFCD00115403 Synonym: 4,6-Dichloro-N-(4-fluorophenyl)-1,3,5-triazin-2-amine 4,6-DICHLORO-N-(4-FLUOROPHENYL)-1,3,5-TRIAZIN-2- 1

Alfa Aesar™ beta-Propiolactone, 97%

Chemical Name or Material: beta-Propiolactone CAS: 57-57-8 Molecular Formula: C3H4O2 Formula Weight: 72.06 MDL Number: MFCD00005169 UN Number: UN3382 Merck Index: 14,7820 Synonym: beta-Propionolide; 3-Hydroxypropionic acid lactone BETA-PROPIOLACTONE, 97% 25G

Alfa Aesar™ Albendazole, 98+%

Chemical Name or Material: Albendazole CAS: 54965-21-8 Molecular Formula: C12H15N3O2S Formula Weight: 265.34 MDL Number: MFCD00083232 Merck Index: 14,210 Synonym: Methyl 5-n-propylthio-2-benzimidazolecarbamate ALBENDAZOLE, 98+% 100G

Quinine monohydrochloride dihydrate, 99%, ACROS Organics™

Chemical Name or Material: Quinine monohydrochloride dihydrate Name Note: 99% CAS: 6119-47-7 Assay: 99% Assay Percent Range: 99% Molecular Formula: HCl·2H2O Formula Weight: 396.92 MDL Number: MFCD00151248 5GR Quinine monohydrochloride dihydrate, 99%

Erythrosin B, pure, high purity, biological stain, ACROS Organics™

25GR Erythrosin B, pure, high purity, biological stain

2-Chloromethylbenzimidazole 95%, ACROS Organics™

Chemical Name or Material: 2-Chloromethylbenzimidazole Name Note: 95% CAS Min %: 94.0 CAS Max %: 100.0 Assay: ≥94% Assay Percent Range: 95% Molecular Formula: C8H7ClN2 Formula Weight: 166.61 MDL Number: MFCD00005602 25GR 2-Chloromethylbenzimidazole, 95%

Ethyl 2-amino-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylate, 99%, ACROS Organics™

Chemical Name or Material: Ethyl 2-amino-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylate Name Note: 99% CAS: 4506-71-2 Assay: 99% Assay Percent Range: 99% Molecular Formula: C11H15NO2S Formula Weight: 225.31 Synonym: 2-Amino-3-carbethoxy-4, 5-tetramethylenethiophene 10GR Ethyl 2-amino-4,5,6,7-tetrahydrobenzo¢b!thiophene-3-carboxylate, 99%

Tetrahydrofuran-D8, for NMR, 99.5 atom % D, ACROS Organics™

Chemical Name or Material: Tetrahydrofuran-D8 Name Note: 99.5 atom % D CAS: 1693-74-9 Purity Grade: For NMR Molecular Formula: C4D8O Formula Weight: 80.17 MDL Number: MFCD00044238 1ML Tetrahydrofuran-D8, for NMR, 99.5 atom % D

Pyridine, Acros Organics™

1LT Pyridine, for HPLC

5-Bromo-4-chloro-3-indolyl-beta-D-glucuronide cyclohexylammonium salt hydrate, 98%, ACROS Organics™

Chemical Name or Material: 5-Bromo-4-chloro-3-indolyl-β-D-glucuronide cyclohexylammonium salt hydrate Name Note: 98% CAS: 114162-64-0 CAS Min %: 97.5 CAS Max %: 100.0 Assay: ≥97.5% Assay Percent Range: 98% Molecular Formula: C6H13N·xH2O Formula Weight: 521.79 MDL Number: MFCD00058543 Synonym: X-Gluc 100MG 5-Bromo-4-chloro-3-indolyl-beta-D-glucuronide cyclohexylammonium salt hydrate, 98%

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, MES 2.5KG MES hydrate, 99+%, for biochemistry

6-Mercaptopurine monohydrate, 99.5+%, ACROS Organics™

Chemical Name or Material: 6-Mercaptopurine monohydrate Name Note: 99.5+% CAS: 6112-76-1 CAS Min %: 99.5 CAS Max %: 100.0 Assay: ≥99.5% Assay Percent Range: 99.5+% Molecular Formula: C5H4N4S·H2O Formula Weight: 170.19 MDL Number: MFCD01461928 Synonym: 6-Purinethiol, 6MP 5GR 6-Mercaptopurine monohydrate, 99.5+%

1-Methyl-2-pyrrolidinone, 99.5%, Extra Dry over Molecular Sieve, AcroSeal™, ACROS Organics™

Chemical Name or Material: 1-Methyl-2-pyrrolidinone Name Note: Over Molecular Sieves CAS: 872-50-4 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: C5H9NO Formula Weight: 99.13 MDL Number: MFCD00003193 Synonym: N-Methylpyrrolidone, NMP 2.5LT 1-Methyl-2-pyrrolidinone, 99.5%, Extra Dry over Molecular Sieve, AcroSeal

4',6'-Diamidino-2-phenylindole dihydrochloride, 98%, ACROS Organics™

Chemical Name or Material: 4′,6′-Diamidino-2-phenylindole dihydrochloride CAS: 28718-90-3 CAS Min %: 97.5 CAS Max %: 100.0 Assay: 98% Assay Percent Range: 98% Molecular Formula: C16H15N5·2HCl Formula Weight: 350.25 Synonym: DAPI 50MG 4',6'-Diamidino-2-phenylindole dihydrochloride, 98%

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 250GR N-Hydroxysuccinimide, 98+%

tert-Butyl 4-(2-chloroethyl)piperazine-1-carboxylate, 97%, ACROS Organics™

Chemical Name or Material: tert-Butyl 4-(2-chloroethyl)piperazine-1-carboxylate Assay: ≥96.0% Assay Percent Range: 97% Molecular Formula: C11H21ClN2O2 Formula Weight: 248.76 1GR tert-Butyl 4-(2-chloroethyl)piperazine-1-carboxylate, 97%

Alfa Aesar™ 3-Hydroxypyridine-4-carboxylic acid, 98%

Chemical Name or Material: 3-Hydroxypyridine-4-carboxylic acid CAS: 10128-71-9 Formula Weight: 139.11 MDL Number: MFCD00234165 Beilstein: 383677 Synonym: 3-Hydroxyisonicotinic acid 1GR 3-Hydroxypyridine-4-carboxylic acid, 98% 1g

Succinimide, 98%, ACROS Organics™

Chemical Name or Material: Succinimide Name Note: 98% CAS: 123-56-8 Assay: 98% Assay Percent Range: 98% Molecular Formula: C4H5NO2 Formula Weight: 99.08 MDL Number: MFCD00005495 Synonym: 2, 5-Pyrrolidinedione, Butanimide 5KG Succinimide, 98%

Alfa Aesar™ 6-[N-(2-chloro-4-pyrimidinyl)methylamino]-2,3-dimethyl-2H-indazole, 96%

500MG 6-[N-(2-chloro-4-pyrimidinyl)methylamino]-2,3-dimethyl-2H-indazole, 96% 500mg

1-Hexadecylpyridinium chloride monohydrate, 96.0-101.0%, ACROS Organics™

Chemical Name or Material: 1-Hexadecylpyridinium chloride monohydrate Name Note: 96.0-101.0% CAS: 6004-24-6 CAS Min %: 96.0 CAS Max %: 100.0 Assay: 96.0-101.0% Assay Percent Range: 96.0-101.0% Molecular Formula: C21H38ClN·H2O Formula Weight: 358.01 MDL Number: MFCD00149977 Synonym: Cetylpyridinium chloride monohydrate 500GR 1-Hexadecylpyridinium chloride monohydrate,96.0-101.0%

Alfa Aesar™ 1-Methylimidazole, 99%

Chemical Name or Material: 1-Methylimidazole CAS: 616-47-7 Molecular Formula: C4H6N2 Formula Weight: 82.11 MDL Number: MFCD00005292 UN Number: UN3267 Beilstein: 105197 1-METHYLIMIDAZOLE, 99%2KG

Alfa Aesar™ 2,3,3-Trimethylindolenine, 98%

Chemical Name or Material: 2,3,3-Trimethylindolenine CAS: 1640-39-7 Molecular Formula: C11H13N Formula Weight: 159.23 MDL Number: MFCD00005724 Beilstein: 119740 Synonym: 2,3,3-Trimethyl-3H-indole 2,3,3-TRIMETHYLINDOLENINE, 97%25G

1-Methylimidazole, 99%, ACROS Organics™

Chemical Name or Material: 1-Methylimidazole Name Note: 99% CAS: 616-47-7 CAS Min %: 98.5 CAS Max %: 100.0 Assay: 99% Assay Percent Range: 99% Molecular Formula: C4H6N2 Formula Weight: 82.12 MDL Number: MFCD00005292 5KG 1-Methylimidazole, 99%

  spinner