Heterocyclic Building Blocks

Alfa Aesar™ 2-Methylbenzothiazole, 98+%

Chemical Name or Material: 2-Methylbenzothiazole CAS: 120-75-2 Molecular Formula: C8H7NS Formula Weight: 149.22 MDL Number: MFCD00005794 Beilstein: 112427

6-chloropyridine-2-carboxylic acid, 97%, ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: 6-Chloropyridine-2-carboxylic acid CAS: 4684-94-0 CAS Min %: 96.0 CAS Max %: 100.0 Assay: ≥96.0% Assay Percent Range: 97% Molecular Formula: C6H4ClNO2 Formula Weight: 157.56

5-Bromo-4-chloro-3-indolyl-beta-D-galactoside, 99+%, for mol biology, DNAse, R, ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: 5-Bromo-4-chloro-3-indolyl-β-D-galactoside Name Note: For molecular biology CAS: 7240-90-6 CAS Min %: 99.0 CAS Max %: 100.0 Purity Grade: For molecular biology Assay: ≥99.0% Assay Percent Range: 99+% Molecular Formula: C14H15BrClNO6 Formula Weight: 408.63 MDL Number: MFCD00005666 Synonym: X-Gal

2-Methyl-1H-benzimidazole-5-boronic acid pinacol ester, 97%, ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: 2-Methyl-1H-benzimidazole-5-boronic acid pinacol ester Assay: ≥96.0% (GC) Assay Percent Range: 97% Molecular Formula: C14H19BN2O2 Formula Weight: 258.13

Alfa Aesar™ 3-(1-Piperidinylmethyl)indole, 95%

Chemical Name or Material: 3-(1-Piperidinylmethyl)indole CAS: 5355-42-0 Formula Weight: 214.3 MDL Number: MFCD00458412 Beilstein: 176547

Alfa Aesar™ 3-(Phenylthio)thiophene, 97%

Chemical Name or Material: 3-(Phenylthio)thiophene CAS: 16718-11-9 Molecular Formula: C10H8S2 Formula Weight: 192.3 MDL Number: MFCD00052043 Synonym: 3-(Phenylmercapto)thiophene; Phenyl 3-thienyl sulfide

5-Amino-2-methylpyridine, 97%, ACROS Organics™

Chemical Name or Material: 5-Amino-2-methylpyridine CAS: 3430-14-6 CAS Min %: 96.0 CAS Max %: 100.0 Assay: ≥96.0% Assay Percent Range: 97% Molecular Formula: C6H8N2 Formula Weight: 108.14

2-Mercaptothiazoline 98%, ACROS Organics™

Chemical Name or Material: 2-Mercaptothiazoline Name Note: 98% CAS: 96-53-7 CAS Min %: 97.5 CAS Max %: 100.0 Assay: 97.5 to 102% Assay Percent Range: 98% Molecular Formula: C3H5NS2 Formula Weight: 119.21 MDL Number: MFCD00126013 Synonym: 2-Thiazoline-2-thiol

Alfa Aesar™ O-(7-Aza-1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate, 99%

Chemical Name or Material: O-(7-Aza-1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate CAS: 148893-10-1 Molecular Formula: C10H15F6N6OP Formula Weight: 380.23 MDL Number: MFCD00274639 Synonym: HATU; 1-[Bis(dimethylamino)methylene]-1H-1,2,3-triazolo[4,5-b]pyridinium 1-oxide hexafluorophosphate

Alfa Aesar™ 1-tert-Butyl-2-imidazolidinone, 98+%

Chemical Name or Material: 1-tert-Butyl-2-imidazolidinone CAS: 92075-16-6 Molecular Formula: C7H14N2O Formula Weight: 142.2 MDL Number: MFCD00832245 Beilstein: 5499181

Alfa Aesar™ Pyrazolo[1,5-a]pyrimidine-3-carboxylic acid, 97%

Chemical Name or Material: Pyrazolo[1,5-a]pyrimidine-3-carboxylic acid CAS: 25940-35-6 Molecular Formula: C7H5N3O2 Formula Weight: 163.14 MDL Number: MFCD01975194

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: ≥98.5% Assay Percent Range: 99% Molecular Formula: C4H6N2 Formula Weight: 82.1 MDL Number: MFCD00005190

Alfa Aesar™ 2,4-Dimethylthiazole, 99%

Chemical Name or Material: 2,4-Dimethylthiazole CAS: 541-58-2 Molecular Formula: C5H7NS Formula Weight: 113.18 MDL Number: MFCD00014509 UN Number: UN1993 Beilstein: 106414

Alfa Aesar™ 5-Bromo-2-furoic acid, 99%

Chemical Name or Material: 5-Bromo-2-furoic acid CAS: 585-70-6 Molecular Formula: C5H3BrO3 Formula Weight: 190.99 MDL Number: MFCD00003239 Beilstein: 118354 Synonym: 5-Bromofuran-2-carboxylic acid

Alfa Aesar™ 4-Methylumbelliferyl-beta-D-glucuronide, 98%

Chemical Name or Material: 4-Methylumbelliferyl-beta-D-glucuronide CAS: 6160-80-1 Molecular Formula: C16H16O9 Formula Weight: 352.3 MDL Number: MFCD00036772 Synonym: MUG

Inosine 5'-monophosphate, disodium salt hydrate, 97%, ACROS Organics™

Chemical Name or Material: Inosine 5'-monophosphate, disodium salt hydrate Assay Percent Range: 97% Molecular Formula: C10H11N4Na2O8P·xH2O Formula Weight: 392.16 MDL Number: MFCD00150372 Synonym: 5'-Inosinic acid

N-Vinyl-2-pyrrolidone, Stabilized with Kerobit, Custom Grade, ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: N-Vinyl-2-pyrrolidone Assay: ≥97.5% (GC) Assay Percent Range: 99% Molecular Formula: C6H9NO Formula Weight: 111.14

Alfa Aesar™ 2-Bromo-4-phenylthiazole, 97%

Chemical Name or Material: 2-Bromo-4-phenylthiazole CAS: 57516-16-2 Molecular Formula: C9H6BrNS Formula Weight: 240.12 MDL Number: MFCD09746507

Alfa Aesar™ 2-Amino-5-chloro-3-nitropyridine, 98+%

Chemical Name or Material: 2-Amino-5-chloro-3-nitropyridine CAS: 5409-39-2 Molecular Formula: C5H4ClN3O2 Formula Weight: 173.56 MDL Number: MFCD00092011 Beilstein: 383850

Alfa Aesar™ Quinuclidine, 97+%

Chemical Name or Material: Quinuclidine CAS: 100-76-5 Molecular Formula: C7H13N Formula Weight: 111.19 MDL Number: MFCD00006690 UN Number: UN2811 Beilstein: 103111 Merck Index: 14,8081 Synonym: 1-Azabicyclo[2.2.2]octane

4-Aminomethyl-2-chloropyridine, 95%, ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: 4-Aminomethyl-2-chloropyridine CAS: 144900-57-2 CAS Min %: 94.0 CAS Max %: 100.0 Assay: ≥94.0% Assay Percent Range: 95% Molecular Formula: C6H7ClN2 Formula Weight: 142.59 Synonym: 2-Chloro-4-(aminomethyl)pyridine

Alfa Aesar™ 1-n-Butyl-2,3-dimethylimidazolium p-toluenesulfonate, 97%

Chemical Name or Material: 1-n-Butyl-2,3-dimethylimidazolium p-toluenesulfonate CAS: 410522-18-8 Molecular Formula: C15H22N2O3S Formula Weight: 310.41 MDL Number: MFCD04973308

2-(2-Pyridyl)benzimidazole, 99%, ACROS Organics™

Chemical Name or Material: 2-(2-Pyridyl)benzimidazole Name Note: 99% CAS: 1137-68-4 CAS Min %: 98.5 CAS Max %: 100.0 Assay: ≥98.5% Assay Percent Range: 99% Molecular Formula: C12H9N3 Formula Weight: 195.22 MDL Number: MFCD00005586

Alfa Aesar™ (+/-)-2-Methylpiperazine, 98%

Chemical Name or Material: (+/-)-2-Methylpiperazine CAS: 109-07-9 Molecular Formula: C5H12N2 Formula Weight: 100.17 MDL Number: MFCD00005954 UN Number: UN2925 Beilstein: 383566

Alfa Aesar™ 2,4,6-Trimethylpyridinium p-toluenesulfonate, 98%

Chemical Name or Material: 2,4,6-Trimethylpyridinium p-toluenesulfonate CAS: 59229-09-3 Molecular Formula: C15H19NO3S Formula Weight: 293.38 MDL Number: MFCD00012810

Alfa Aesar™ 4',5-Dihydroxy-7-methoxyflavone, 97%

Chemical Name or Material: 4',5-Dihydroxy-7-methoxyflavone CAS: 437-64-9 Molecular Formula: C16H12O5 Formula Weight: 284.27 MDL Number: MFCD00017452 Beilstein: 292549 Synonym: Genkwanin

Glycerol formal, 99+%, mixture of isomers, stabilized, ACROS Organics™ Available on GSA/VA Contract for Federal Government customers only.

Chemical Name or Material: Glycerol formal Name Note: 99+% CAS: 4740-78-7 CAS: 5464-28-8 Assay: ≥99.0% (sum of alpha- and beta-isomers) Assay Percent Range: 99+% Molecular Formula: C4H8O3 Formula Weight: 104.11 MDL Number: MFCD00003218

Alfa Aesar™ 1-Methyl-3-phenylhydantoin, 95%

Chemical Name or Material: 1-Methyl-3-phenylhydantoin Formula Weight: 190.2 MDL Number: MFCD00464654 Synonym: 1-Methyl-3-phenyl-2,4-imidazolidinedione

Alfa Aesar™ 1-Methyl-3-indolemethylamine, 96%

Chemical Name or Material: 1-Methyl-3-indolemethylamine CAS: 19293-60-8 Molecular Formula: C10H12N2 Formula Weight: 160.22 MDL Number: MFCD06657101

Alfa Aesar™ 1-Benzyl-3-ethoxycarbonyl-4-piperidone hydrochloride hydrate, 97%, ca 10% water

Chemical Name or Material: 1-Benzyl-3-ethoxycarbonyl-4-piperidone hydrochloride hydrate CAS: 1454-53-1 Molecular Formula: C15H19NO3·HCl·xH2O Formula Weight: 297.78 (Anhydrous) MDL Number: MFCD00012800 Beilstein: 3918980 Synonym: 1-Benzyl-3-carboethoxy-4-piperidone hydrochloride hydrate; Ethyl 1-benzyl-4-piperidone-3-carboxylate hydrochloride hydrate

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