Heterocyclic Building Blocks

Rutin, 97+%, ACROS Organics™

Chemical Name or Material: Rutin Name Note: 97.0-102.0% CAS: 153-18-4 Assay: ≥97% Assay Percent Range: 97+% Molecular Formula: C27H30O16·3H2O Formula Weight: 664.58 MDL Number: MFCD00006830 Synonym: C.I. 75730 500GR Rutin, 97+%

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 5GR 2,4-Pyridinedicarboxylic acid hydrate, 99+%

Phenazine methosulfate, 98%, ACROS Organics™

Chemical Name or Material: Phenazine methosulfate Name Note: 99% CAS: 299-11-6 Assay Percent Range: 98% Molecular Formula: C13H11N2·CH3O4S Formula Weight: 306.33 MDL Number: MFCD00011923 Synonym: N-Methylphenazonium methosulfate 10GR Phenazine methosulfate, 98%

L-Histidine, 98%, ACROS Organics™

Chemical Name or Material: L-Histidine CAS: 71-00-1 Assay: 98% Assay Percent Range: 98% Molecular Formula: C6H9N3O2 Formula Weight: 155.16 MDL Number: MFCD00064315 Synonym: His 100GR L-Histidine, 98%

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

2-Imidazolidone hemihydrate, 99+%, ACROS Organics™

Chemical Name or Material: 2-Imidazolidone hemihydrate CAS: 121325-67-5 CAS Min %: 99.0 CAS Max %: 100.0 CAS: 120-93-4 Assay: ≥99% Assay Percent Range: 99+% Molecular Formula: 0·5 H2O Formula Weight: 95.1 MDL Number: MFCD02662355 Synonym: 2-Imidazolidinone hemihydrate 2.5KG 2-Imidazolidone hemihydrate, 99+%

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%

2,5-Pyridinedicarboxylic Acid 98%, ACROS Organics™

Chemical Name or Material: 2, 5-Pyridinedicarboxylic acid Name Note: 98% CAS: 100-26-5 CAS Min %: 97.5 CAS Max %: 100.0 Assay: ≥97.5% Assay Percent Range: 98% Molecular Formula: C7H5NO4 Linear Formula: (C5H3N)(COOH)2 Formula Weight: 167.12 MDL Number: MFCD00006297 Synonym: Isocinchomeronic acid 5GR 2,5-Pyridinedicarboxylic acid, 98%

Guanine, 99+%, ACROS Organics™

Chemical Name or Material: Guanine CAS: 73-40-5 Assay: ≥99.0% (on dry substance) Assay Percent Range: 99+% Molecular Formula: C5H5N5O Formula Weight: 151.13 MDL Number: MFCD00071533 Synonym: 2-Amino-1, 7-dihydro-6H-purin-6-one 25GR Guanine, 99+%

N-(α,α,α-Trifluoro-p-tolyl)piperazine, 98%, ACROS Organics™

Chemical Name or Material: N-(α, α, α-Trifluoro-p-tolyl)piperazine Name Note: 98% CAS: 30459-17-7 CAS Min %: 97.5 CAS Max %: 100.0 Assay: 98% Assay Percent Range: 98% Molecular Formula: C11H13F3N3 Formula Weight: 230.23 MDL Number: MFCD00040765 Synonym: 1-(4-Trifluoromethylphenyl)piperazine 5GR N-(alpha,alpha,alpha-Trifluoro-p-tolyl)piperazine, 98%

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

Eosin Y, pure, high purity, biological stain, ACROS Organics™

Chemical Name or Material: Eosin Y Name Note: High purity biological stain CAS: 17372-87-1 Purity Grade: Pure Molecular Formula: C20H6Br4Na2O5 Formula Weight: 691.85 MDL Number: MFCD00005040 Synonym: 2', 4', 5' 25GR Eosin Y, pure, high purity, biological stain

2,6-Pyridinedimethanol, 98%, ACROS Organics™

Chemical Name or Material: 2, 6-Pyridinedimethanol CAS: 1195-59-1 CAS Min %: 97.5 CAS Max %: 100.0 Assay: 97.5 to 102.5% (total base) Assay Percent Range: 98% Molecular Formula: C7H9NO2 Linear Formula: (C5H3N)(CH2OH)2 Formula Weight: 139.15 MDL Number: MFCD00006351 Synonym: 2, 6-Pyridyldicarbinol 25GR 2,6-Pyridinedimethanol, 98%

1,4-Dioxane, 99+%, ACS reagent, stabilized, ACROS Organics™

Chemical Name or Material: 1, 4-Dioxane CAS: 123-91-1 CAS Min %: 99.0 CAS Max %: 100.0 Purity Grade: ACS Reagent Grade Assay: ≥99% Assay Percent Range: 99+% Molecular Formula: C4H8O2 Formula Weight: 88.11 MDL Number: MFCD00006571 Synonym: Diox 2.5LT 1,4-Dioxane, 99+%, ACS reagent, stabilized

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 1LT 1,4-Dioxane, 99.8%, Extra Dry, stabilized, AcroSeal

Alfa Aesar™ 2-Chloro-5-n-decylpyrimidine, 99%

Chemical Name or Material: 2-Chloro-5-n-decylpyrimidine CAS: 170434-06-7 Molecular Formula: C14H23ClN2 Formula Weight: 254.8 MDL Number: MFCD02683077 2-CHLORO-5-N-DECYLPYRIMIDINE, 99%,5G

2-(Chloromethyl)quinoline Hydrochloride 97%, ACROS Organics™

Chemical Name or Material: 2-(Chloromethyl)quinoline hydrochloride Name Note: 97% CAS: 3747-74-8 CAS Min %: 96.0 CAS Max %: 100.0 Assay: 97% Assay Percent Range: 97% Molecular Formula: C10H8ClN·HCl Formula Weight: 214.1 MDL Number: MFCD00012734 5GR 2-(Chloromethyl)quinoline hydrochloride, 97%

Alfa Aesar™ 2,5-Dichloropyridine-4-carboxylic acid, 95%

Chemical Name or Material: 2,5-Dichloropyridine-4-carboxylic acid CAS: 88912-26-9 Molecular Formula: C6H3Cl2NO2 Formula Weight: 192 MDL Number: MFCD00466640 Synonym: 2,5-Dichloroisonicotinic acid 1GR 2,5-Dichloropyridine-4-carboxylic acid, 95% 1

Alfa Aesar™ 2-Amino-4-(4-bromophenyl)thiazole, 97%

Chemical Name or Material: 2-Amino-4-(4-bromophenyl)thiazole CAS: 2103-94-8 Molecular Formula: C9H7BrN2S Formula Weight: 255.14 MDL Number: MFCD00051953 Beilstein: 153896 Synonym: 4-(4-Bromophenyl)-2-thiazolamine 2-AMINO-4-(4-BROMOPHENYL)THIAZOLE, 98%,25G

Alfa Aesar™ 3-Acetylquinoline, 97%

Chemical Name or Material: 3-Acetylquinoline CAS: 33021-53-3 Molecular Formula: C11H9NO Formula Weight: 171.2 MDL Number: MFCD00030698 Synonym: Methyl quinolinyl ketone; 1-Quinolin-3-ylethanone 1GR 3-Acetylquinoline, 97%

Alfa Aesar™ 3-(Trifluoromethyl)pyridine-2-carboxylic acid, 97%

Chemical Name or Material: 3-(Trifluoromethyl)pyridine-2-carboxylic acid CAS: 87407-12-3 Formula Weight: 191.11 MDL Number: MFCD07375386 Synonym: 3-(Trifluoromethyl)picolinic acid 1GR 3-(Trifluoromethyl)pyridine-2-carboxylic acid, 97% 1g

Alfa Aesar™ 5-Methylthio-1,3,4-thiadiazole-2-thiol, 97%

Chemical Name or Material: 5-Methylthio-1,3,4-thiadiazole-2-thiol CAS: 6264-40-0 Molecular Formula: C3H4N2S3 Formula Weight: 164.27 MDL Number: MFCD00051648 Beilstein: 4009 Synonym: 2-Mercapto-5-methylmercapto-1,3,4-thiadiazole 5-METHYLTHIO-1,3,4-THIADIAZOLE-2-THIOL, 97%,1G

Alfa Aesar™ 3,6-Difluorophthalic anhydride, 97%

Chemical Name or Material: 3,6-Difluorophthalic anhydride CAS: 652-40-4 Molecular Formula: C8H2F2O3 Formula Weight: 184.1 MDL Number: MFCD00134537 100MG 3,6-Difluorophthalic anhydride, 97% 100mg

Alfa Aesar™ Chromone-2-carboxylic acid, 97%

Chemical Name or Material: Chromone-2-carboxylic acid CAS: 4940-39-0 Molecular Formula: C10H6O4 Formula Weight: 190.15 MDL Number: MFCD00006838 Beilstein: 146442 Merck Index: 14,2237 Synonym: Chromocarb; 4-Oxo-4H-1-benzopyran-2-carboxylic acid CHROMONE-2-CARBOXYLIC ACID97+%,25G

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

Chemical Name or Material: 6-Bromoimidazo[1,2-a]pyridine-2-carboxylic acid hydrate CAS: 749849-14-7 Molecular Formula: C8H5BrN2O2·xH2O Formula Weight: 241.05 (Anhydrous) MDL Number: MFCD22989345 250MG 6-Bromoimidazo[1,2-a]pyridine-2-carboxylic acid hydrate, 95% 250mg

Alfa Aesar™ 2-(Trimethylsilyl)thiazole, 97%

Chemical Name or Material: 2-(Trimethylsilyl)thiazole CAS: 79265-30-8 Molecular Formula: C6H11NSSi Formula Weight: 157.31 MDL Number: MFCD00066274 UN Number: UN1993 Synonym: 2-Thiazolyltrimethylsilane; 2-TST 2-(TRIMETHYLSILYL)THIAZOLE98%,25G

4,8-Dihydroxyquinoline-2-carboxylic Acid 96%, ACROS Organics™

Chemical Name or Material: 4, 8-Dihydroxyquinoline-2-carboxylic acid Name Note: 96% CAS: 59-00-7 CAS Min %: 95.0 CAS Max %: 100.0 Assay: ≥95% Assay Percent Range: 96% Molecular Formula: C10H7NO4 Formula Weight: 205.17 MDL Number: MFCD00006754 Synonym: Xanthurenic acid 5GR 4,8-Dihydroxyquinoline-2-carboxylic acid, 96%

Alfa Aesar™ 5,6,7-Trimethoxyflavone, 97%

Chemical Name or Material: 5,6,7-Trimethoxyflavone CAS: 973-67-1 Molecular Formula: C18H16O5 Formula Weight: 312.33 MDL Number: MFCD00017457 Synonym: Baicalein trimethyl ether 5,6,7-TRIMETHOXYFLAVONE, 97%,1G

Alfa Aesar™ 5-(3-Trifluoromethoxyphenyl)-1H-tetrazole, 97%

Chemical Name or Material: 5-(3-Trifluoromethoxyphenyl)-1H-tetrazole CAS: 216144-09-1 Molecular Formula: C8H5F3N4O Formula Weight: 230.15 MDL Number: MFCD01075683 5-(3-TRIFLUOROMETHOXYPHENYL)-1H-TETRAZOLE,500MG

Alfa Aesar™ 3-Pyridineacetamide, 99%

Chemical Name or Material: 3-Pyridineacetamide CAS: 3724-16-1 Molecular Formula: C7H8N2O Formula Weight: 136.15 MDL Number: MFCD08236789 Synonym: 2-(3-Pyridyl)acetamide 3-PYRIDINEACETAMIDE, 99% 5G

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