Heterocyclic Building Blocks

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

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

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

1-Methyl-2-pyrrolidinone, 99%, extra pure, ACROS Organics™

Chemical Name or Material: 1-Methyl-2-pyrrolidinone CAS: 872-50-4 CAS Min %: 98.5 CAS Max %: 100.0 Purity Grade: Extra Pure Assay: 99% Assay Percent Range: 99% Molecular Formula: C5H9NO Formula Weight: 99.13 MDL Number: MFCD00003193 Synonym: NMP, N-Methylpyrrolidone 25LT 1-Methyl-2-pyrrolidinone, 99%, extra pure

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

Pyridine, 99.5%, Extra Dry, AcroSeal™, ACROS Organics™

Chemical Name or Material: Pyridine CAS: 110-86-1 Purity Grade: Extra Dry 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, AcroSeal

Methylene Blue, pure, certified, ACROS Organics™

Chemical Name or Material: Methylene Blue CAS: 61-73-4 Purity Grade: Pure Molecular Formula: C16H18ClN3S Formula Weight: 319.85 MDL Number: MFCD00012111 Synonym: Basic Blue 9 500GR Methylene Blue, pure, certified, residual water

Alfa Aesar™ N-Benzyloxycarbonyl-L-valine N-succinimidyl ester, 98%

Chemical Name or Material: N-Benzyloxycarbonyl-L-valine N-succinimidyl ester CAS: 3513-03-9 Formula Weight: 348.35 MDL Number: MFCD00053547 Beilstein: 1555287 Synonym: Z-Val-OSu 5GR N-Benzyloxycarbonyl-L-valine N-succinimidyl ester, 98% 5g

2-Pyrrolidinone, 99%, Acros Organics™

Chemical Name or Material: 2-Pyrrolidinone Name Note: 98% CAS: 616-45-5 CAS Min %: 98.5 CAS Max %: 100.0 Assay: 99% Assay Percent Range: 99% Molecular Formula: C4H7NO Formula Weight: 85.11 MDL Number: MFCD00005270 500ML 2-Pyrrolidinone, 99%

Isonicotinic acid, 99%, ACROS Organics™

Chemical Name or Material: Isonicotinic acid CAS: 55-22-1 Physical Form: Powder Assay Percent Range: 99% Molecular Formula: C6H5NO2 Formula Weight: 123.11 Synonym: 4-Pyridinecarboxylic acid 100GR Isonicotinic acid, 99%

Adenosine 5'-triphosphate, disodium salt hydrate, 98%, ACROS Organics™

Chemical Name or Material: Adenosine 5'-triphosphate, disodium salt hydrate CAS: 34369-07-8 CAS Min %: 97.5 CAS Max %: 100.0 Assay: 98% Assay Percent Range: 98% Molecular Formula: C10H14N5Na2O13P3·xH2O Formula Weight: 551.14 Synonym: ATP, disodium salt hydrate 50GR Adenosine 5'-triphosphate, disodium salt hydrate, 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 1KG N-Hydroxysuccinimide, 98+%

Imidazole, 99+%, crystalline, ACROS Organics™

Chemical Name or Material: Imidazole CAS: 288-32-4 Physical Form: Crystalline Powder Assay: ≥99% Assay Percent Range: 99+% Molecular Formula: C3H4N2 Formula Weight: 68.08 MDL Number: MFCD00005183 2.5KG Imidazole, 99+%, crystalline

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: NMP, N-Methylpyrrolidone 2.5LT 1-Methyl-2-pyrrolidinone, 99.5%, Extra Dry over Molecular Sieve, AcroSeal

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 2.5KG 4-Dimethylaminopyridine, 99%

Thiamine Hydrochloride 98.5-101.5%, ACROS Organics™

Chemical Name or Material: Thiamine hydrochloride Name Note: 98.5-101.5% CAS: 67-03-8 Assay: 98.5 to 101.5% (on anhydrous substance) Assay Percent Range: 98.5 to 101.5% Molecular Formula: C12H17ClN4OS·HCl Formula Weight: 337.26 MDL Number: MFCD00012780 Synonym: Vitamin B1 hydrochloride 100GR Thiamine hydrochloride, %, 98.5-101.5%

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, PMS 25GR Phenazine methosulfate, 98%

Coumarin, 99+%, ACROS Organics™

Chemical Name or Material: Coumarin Name Note: 99+% CAS: 91-64-5 Assay: ≥99.0% Assay Percent Range: 99+% Molecular Formula: C9H6O2 Formula Weight: 146.15 MDL Number: MFCD00006850 Synonym: 2H-1-Benzopyran-2-one 1KG Coumarin, 99+%

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

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

Methyl Viologen hydrate, 98%, ACROS Organics™

Chemical Name or Material: Methyl Viologen hydrate Name Note: 98% CAS: 1910-42-5 Assay: 98% Assay Percent Range: 98% Molecular Formula: C12H14Cl2N2·xH2O Formula Weight: 257.15 MDL Number: MFCD00150001 Synonym: Paraquat, dichloride 1GR Methyl Viologen hydrate, 98%

1,4-Dioxane, 99+%, extra pure, stabilized, ACROS Organics™

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

2',7'-Dichlorofluorescein, pure, ACROS Organics™

Chemical Name or Material: 2', 7'-Dichlorofluorescein CAS: 76-54-0 Purity Grade: Extra Pure Molecular Formula: C20H10Cl2O5 Formula Weight: 401.2 MDL Number: MFCD00005047 Synonym: 2',7'-Dichloro-3',6'-dihydroxyspiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one 100GR 2',7'-Dichlorofluorescein, pure

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: Acid Blue 74, C.I. 73015, 5, 5'-Indigodisulfonic acid, disodium salt 100GR Indigo Carmine, for analysis, high purity biological stain

1-Methyl-2-pyrrolidinone, 99.5%, for HPLC, ACROS Organics™

Chemical Name or Material: 1-Methyl-2-pyrrolidinone CAS: 872-50-4 CAS Min %: 99.4 CAS Max %: 100.0 Purity Grade: For HPLC Assay: 99.5% Assay Percent Range: 99.5% Molecular Formula: C5H9NO Formula Weight: 99.13 MDL Number: MFCD00003193 Synonym: NMP, N-Methylpyrrolidone 1LT 1-Methyl-2-pyrrolidinone, 99.5%, for HPLC

1,4-Dioxane, 99.5%, for analysis, stabilized, ACROS Organics™

Chemical Name or Material: 1,4-Dioxane Name Note: Stabilized CAS: 123-91-1 CAS Min %: 99.4 CAS Max %: 100.0 Purity Grade: For analysis Assay: 99.5% Assay Percent Range: 99.5% Molecular Formula: C4H8O2 Formula Weight: 88.11 MDL Number: MFCD00006571 Synonym: Diox 25LT 1,4-Dioxane, 99.5%, for analysis, stabilized

Pyrrole, 99%, extra pure, ACROS Organics™

Chemical Name or Material: Pyrrole CAS: 109-97-7 Purity Grade: Extra Pure Assay: 99% Assay Percent Range: 99% Molecular Formula: C4H5N Formula Weight: 67.09 MDL Number: MFCD00005216 500GR Pyrrole, 99%, extra pure

Riboflavin, 98%, ACROS Organics™

Chemical Name or Material: Riboflavin Assay Percent Range: 98% Molecular Formula: C17H20N4O6 Formula Weight: 376.36 MDL Number: MFCD00005022 Synonym: Vitamin B2, Lactoflavine 500GR Riboflavin, 98%

Eosin Y, pure, certified, ACROS Organics™

25GR Eosin Y, pure, certified

1,1'-Carbonyldiimidazole, 97%, ACROS Organics™

Chemical Name or Material: 1,1′-Carbonyldiimidazole CAS: 530-62-1 CAS Min %: 96.0 CAS Max %: 100.0 Assay: 97% Assay Percent Range: 97% Molecular Formula: C7H6N4O Formula Weight: 162.15 MDL Number: MFCD00005286 500GR 1,1'-Carbonyldiimidazole, 97%

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% 100GR Quinoline Yellow, 95%, pure, water soluble

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