Heterocyclic Building Blocks

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%

Nocodazole, 98%, ACROS Organics™

Chemical Name or Material: Nocodazole Name Note: 98% CAS: 31430-18-9 CAS Min %: 97.5 CAS Max %: 100.0 Assay: 98% Assay Percent Range: 98% Molecular Formula: C14H11N3O3S Formula Weight: 301.32 MDL Number: MFCD00005588 Synonym: Methyl [5-(2-thienylcarbonyl)-1H-benzimidazol-2-yl]-carbamate 50MG Nocodazole, 98%

HEPES, 99%, for biochemistry, ACROS Organics™

Chemical Name or Material: HEPES CAS: 7365-45-9 Purity Grade: For biochemistry Assay: 99% Assay Percent Range: 99% Molecular Formula: C8H18N2O4S Formula Weight: 238.3 1KG HEPES, 99%, for biochemistry

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 500GR 1-Methylimidazole, 99%

Alfa Aesar™ 4-Methyl-1H-pyrazole, 97+%

Chemical Name or Material: 4-Methyl-1H-pyrazole CAS: 7554-65-6 Molecular Formula: C4H6N2 Formula Weight: 82.11 MDL Number: MFCD00005245 Beilstein: 105204 Merck Index: 14,4216 Synonym: Fomepizole 4-METHYLPYRAZOLE, 98% 1G

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

Alfa Aesar™ 1,3-Dibromo-5,5-dimethylhydantoin, 98%

Chemical Name or Material: 1,3-Dibromo-5,5-dimethylhydantoin CAS: 77-48-5 Molecular Formula: C5H6Br2N2O2 Formula Weight: 285.93 MDL Number: MFCD00003189 UN Number: UN3085 Beilstein: 146024 Synonym: Bromodan; Dibromantin 1,3-DIBROMO-5,5-DIMETHYLHYDANTOIN,500G

MES monohydrate, 99+%, for biochemistry, ACROS Organics™

Chemical Name or Material: MES monohydrate CAS: 145224-94-8 Purity Grade: For biochemistry Assay: ≥99% Assay Percent Range: 99+% Molecular Formula: C6H13NO4S·H2O Formula Weight: 213.25 MDL Number: MFCD00149409 Synonym: 2-(N-Morpholino)ethanesulfonic acid monohydrate 2.5KG MES monohydrate, 99+%, for biochemistry

Alfa Aesar™ 2-Benzothiazoleacetonitrile, 98%

Chemical Name or Material: 2-Benzothiazoleacetonitrile CAS: 56278-50-3 Molecular Formula: C9H6N2S Formula Weight: 174.23 MDL Number: MFCD00051633 UN Number: UN3439 Beilstein: 128460 Synonym: 2-Cyanomethyl-1,3-benzothiazole; 2-(Cyanomethyl)benzothiazole BENZOTHIAZOLE-2-ACETONITRILE, 98%,5G

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™ 2-Chloroquinoline, 99%

Chemical Name or Material: 2-Chloroquinoline CAS: 612-62-4 Molecular Formula: C9H6ClN Formula Weight: 163.61 MDL Number: MFCD00006741 Beilstein: 112561 2-CHLOROQUINOLINE, 99% 5G

Alfa Aesar™ 6,7-Dimethoxy-1,4-dihydro-2,3-quinoxalinedione monohydrate, 98%

Chemical Name or Material: 6,7-Dimethoxy-1,4-dihydro-2,3-quinoxalinedione monohydrate CAS: 4784-02-5 Molecular Formula: C10H10N2O4·H2O Formula Weight: 240.22 (222.20 Anhydrous) MDL Number: MFCD09953682 6,7-DIMETHOXY-1,4-DIHYDRO-2,3-QUINOXALINEDIONE 5G

1,4-Dioxane, 99.8%, Extra Dry, stabilized, AcroSeal™, ACROS Organics™

Chemical Name or Material: 1,4-Dioxane Name Note: Water <50ppm CAS: 123-91-1 CAS Min %: 99.75 CAS Max %: 100.0 Purity Grade: Extra Dry Assay: 99.8% Assay Percent Range: 99.8% Molecular Formula: C4H8O2 Formula Weight: 88.11 Synonym: Diox 2.5LT 1,4-Dioxane, 99.8%, Extra Dry, stabilized, AcroSeal

Chloroxazone, 98%, ACROS Organics™

Chemical Name or Material: Chloroxazone Name Note: 98% CAS: 95-25-0 Assay: ≥97.5% Assay Percent Range: 98% Molecular Formula: C7H4ClNO2 Formula Weight: 169.57 MDL Number: MFCD00005717 Synonym: 5-Chloro-2-benzoxazolone 100GR Chloroxazone, 98%

Potassium tris(3,5-dimethyl-1-pyrazolyl)borohydride, 99%, ACROS Organics™

5GR Potassium tris(3,5-dimethyl-1-pyrazolyl)borohydride, 99%

Guanosine 5'-triphosphate, disodium salt hydrate, 90%, for biochemistry, ACROS Organics™

Chemical Name or Material: Guanosine 5'-triphosphate, disodium salt hydrate CAS: 56001-37-7 Purity Grade: For biochemistry Assay: ≥88% Assay Percent Range: 90% Molecular Formula: C10H14N5Na2O14P3·xH2O Formula Weight: 567.14 MDL Number: MFCD03410297 Synonym: GTP disodium salt hydrate 250MG Guanosine 5'-triphosphate, disodium salt hydrate, 90%, for biochemistry

2-Mercaptopyridine-N-oxide, sodium salt monohydrate, 98%, ACROS Organics™

Chemical Name or Material: 2-Mercaptopyridine-N-oxide, sodium salt monohydrate Name Note: 98% CAS: 304675-78-3 CAS Min %: 97.5 CAS Max %: 100.0 CAS: 3811-73-2 Assay: ≥97.5% Assay Percent Range: 98% Molecular Formula: C5H4NNaOS·H2O Formula Weight: 167.15 MDL Number: MFCD00151244 Synonym: 2-Pyridinethiol-1-oxide, sodium salt monohydrate 25GR 2-Mercaptopyridine-N-oxide, sodium salt hydrate, 98%

Indigo Carmine, High Purity Biological Stain, ACROS Organics™

Chemical Name or Material: Indigo Carmine CAS: 860-22-0 Purity Grade: For analysis Molecular Formula: C16H8N2Na2O8S2 Formula Weight: 466.34 MDL Number: MFCD00005723 Synonym: 5, 5'-Indigodisulfonic acid, disodium salt 500GR Indigo Carmine, for analysis, high purity biological stain

Alfa Aesar™ 1-Chloroisoquinoline, 95%

Chemical Name or Material: 1-Chloroisoquinoline CAS: 19493-44-8 Molecular Formula: C9H6ClN Formula Weight: 163.61 MDL Number: MFCD00024134 Beilstein: 2996 1-CHLOROISOQUINOLINE, 95% 1G

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 500GR 4-Dimethylaminopyridine, 99%

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 2.5LT Pyridine, 99+%, extra pure

Alfa Aesar™ 1-n-Butylpyridinium bromide, 99%

Chemical Name or Material: 1-n-Butylpyridinium bromide CAS: 874-80-6 Molecular Formula: C9H14BrN Formula Weight: 216.12 MDL Number: MFCD00671496 1-N-BUTYLPYRIDINIUM BROMIDE, 99% 50G

1,4-Dioxane, 99.5%, for HPLC, ACROS Organics™

Chemical Name or Material: 1, 4-Dioxane CAS: 123-91-1 CAS Min %: 99.4 CAS Max %: 100.0 Purity Grade: For HPLC 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%, for HPLC

Alfa Aesar™ 2-Amino-6-chloro-3-nitropyridine, 98%

Chemical Name or Material: 2-Amino-6-chloro-3-nitropyridine CAS: 27048-04-0 Formula Weight: 173.56 MDL Number: MFCD00044350 UN Number: UN2811 Beilstein: 474607 25GR 2-Amino-6-chloro-3-nitropyridine, 98% 25g

Propidium iodide, 95%, Acros Organics

Chemical Name or Material: Propidium iodide Assay Percent Range: 95% Molecular Formula: C27H34I2N4 Formula Weight: 668.39 25MG Propidium iodide, 95%

Fluorescein diacetate, 97%, pure, ACROS Organics™

Chemical Name or Material: Fluorescein diacetate CAS: 596-09-8 Purity Grade: Pure Assay: 97% Assay Percent Range: 97% Molecular Formula: C24H16O7 Formula Weight: 416.39 MDL Number: MFCD00005062 100GR Fluorescein diacetate, 97%, pure

1-Chloromethyl-4-fluoro-1,4-diazoniabicyclo[2.2.2]octane bis(tetrafluoroborate), 96%, ACROS Organics™

Chemical Name or Material: 1-Chloromethyl-4-fluoro-1,4-diazoniabicyclo[2.2.2]octane bis(tetrafluoroborate) Assay: 96% Assay Percent Range: 96% Molecular Formula: C7H14ClFN2·2BF4 Formula Weight: 354.26 5GR 1-Chloromethyl-4-fluoro-1,4-diazoniabicyclo¢2.2.2!octane bis(tetrafluoroborate), 96%

Alfa Aesar™ 2-Amino-6-bromobenzothiazole, 98%

Chemical Name or Material: 2-Amino-6-bromobenzothiazole CAS: 15864-32-1 Molecular Formula: C7H5BrN2S Formula Weight: 229.1 MDL Number: MFCD00152229 2-AMINO-6-BROMOBENZOTHIAZOLE, 98%25G

2-Methylimidazole, 99%, ACROS Organics™

Chemical Name or Material: 2-Methylimidazole Name Note: 99% CAS: 693-98-1 CAS Min %: 98.5 CAS Max %: 100.0 Assay: 99% Assay Percent Range: 99% Molecular Formula: C4H6N2 Formula Weight: 82.1 MDL Number: MFCD00005190 1KG 2-Methylimidazole, 99%

Alfa Aesar™ 9-Formyl-8-hydroxyjulolidine, 97%

Chemical Name or Material: 9-Formyl-8-hydroxyjulolidine CAS: 63149-33-7 Molecular Formula: C13H15NO2 Formula Weight: 217.27 MDL Number: MFCD00192477 Synonym: 8-Hydroxy-2,3,6,7-tetrahydro-1H,5H-pyrido[3,2,1-ij]quinoline-9-carboxaldehyde 5GR 9-Formyl-8-hydroxyjulolidine, 97% 5g

  spinner