Heterocyclic Building Blocks

Alfa Aesar™ Methyl 3-hydroxythiophene-2-carboxylate, 97%

Chemical Name or Material: Methyl 3-hydroxythiophene-2-carboxylate CAS: 5118-06-9 Molecular Formula: C6H6O3S Formula Weight: 158.18 MDL Number: MFCD00055642 Synonym: 3-Hydroxythiophene-2-carboxylic acid methyl ester METHYL 3-HYDROXYTHIOPHENE-2-CARBOXYLATE, 97%,1G

Alfa Aesar™ N,N-Diethyl-2-(3-piperidinyloxy)acetamide, 97%

Chemical Name or Material: N,N-Diethyl-2-(3-piperidinyloxy)acetamide CAS: 902836-74-2 Molecular Formula: C11H22N2O2 Formula Weight: 214.31 MDL Number: MFCD08061065 N,N-DIETHYL-2-(PIPERIDIN-3YLOXY)ACETAMIDE1G

(S)-(-)-Indoline-2-carboxylic acid, 98%, ACROS Organics™

Chemical Name or Material: (S)-(-)-Indoline-2-carboxylic acid Name Note: 98% CAS: 79815-20-6 CAS Min %: 97.5 CAS Max %: 100.0 Assay: ≥97.5% Assay Percent Range: 98% Molecular Formula: C9H9NO2 Formula Weight: 163.18 MDL Number: MFCD00070578 5GR (S)-(-)-Indoline-2-carboxylic acid, 98%

Alfa Aesar™ 1-Allyl-3,5-dimethyl-1H-pyrazole, 97%

Chemical Name or Material: 1-Allyl-3,5-dimethyl-1H-pyrazole CAS: 13369-74-9 Molecular Formula: C8H12N2 Formula Weight: 136.2 MDL Number: MFCD00034407 5GR 1-Allyl-3,5-dimethyl-1H-pyrazole, 97% 5g

Alfa Aesar™ 2-Amino-4-chlorobenzothiazole hydrobromide, 97%

Chemical Name or Material: 2-Amino-4-chlorobenzothiazole hydrobromide CAS: 27058-83-9 Molecular Formula: C7H5ClN2S·HBr Formula Weight: 265.57 MDL Number: MFCD00035186 25GR 2-Amino-4-chlorobenzothiazole hydrobromide, 97% 25g

Alfa Aesar™ 4-Nitro-2-(trifluoromethyl)benzoxazole, 97%

Chemical Name or Material: 4-Nitro-2-(trifluoromethyl)benzoxazole CAS: 573759-00-9 Formula Weight: 232.12 1GR 4-Nitro-2-(trifluoromethyl)benzoxazole, 97% 1

HEPES, 99%, for biochemistry, ACROS Organics™

Chemical Name or Material: HEPES CAS: 7365-45-9 Purity Grade: For biochemistry Assay: ≥98.5% (on dried substance) (Acid) Assay Percent Range: 99% Molecular Formula: C8H18N2O4S Formula Weight: 238.3 100GR HEPES, 99%, for biochemistry

2,5-Dimethylfuran, 99%, ACROS Organics™

Chemical Name or Material: 2, 5-Dimethylfuran Name Note: 99% CAS: 625-86-5 CAS Min %: 98.5 CAS Max %: 100.0 Assay: ≥98.5% Assay Percent Range: 99% Molecular Formula: C6H8O Formula Weight: 96.13 MDL Number: MFCD00003250 500ML 2,5-Dimethylfuran, 99%

Alfa Aesar™ 1-Benzyloxycarbonyl-3-pyrrolidinone, 95%

Chemical Name or Material: 1-Benzyloxycarbonyl-3-pyrrolidinone CAS: 130312-02-6 Molecular Formula: C12H13NO3 Formula Weight: 219.24 MDL Number: MFCD03001711 Synonym: 1-Cbz-3-pyrrolidinone; 1-Z-3-Pyrrolidinone 1GR 1-Benzyloxycarbonyl-3-pyrrolidinone, 95% 1g

Alfa Aesar™ 5-Acetylthiophene-2-carbonitrile, 97%

Chemical Name or Material: 5-Acetylthiophene-2-carbonitrile CAS: 88653-55-8 Molecular Formula: C7H5NOS Formula Weight: 151.19 MDL Number: MFCD00052314 UN Number: UN3439 Beilstein: 1306961 Synonym: 2-Acetyl-5-cyanothiophene 2-ACETYL-5-CYANOTHIOPHENE,98%,0,5G

Alfa Aesar™ Methyl 6-methylnicotinate, 97+%

Chemical Name or Material: Methyl 6-methylnicotinate CAS: 5470-70-2 Molecular Formula: C8H9NO2 Formula Weight: 151.17 MDL Number: MFCD00006340 Beilstein: 122940 Synonym: Methyl 6-methylpyridine-3-carboxylate; 6-Methylnicotinic acid methyl ester METHYL 6-METHYLNICOTINATE,98%,5G

Alfa Aesar™ N-(6-Methoxy-3-pyridyl)thiourea, 97%

Chemical Name or Material: N-(6-Methoxy-3-pyridyl)thiourea Molecular Formula: C7H9N3OS Formula Weight: 183.23 MDL Number: MFCD10695141 250MG N-(6-Methoxy-3-pyridyl)thiourea, 97% 250mg

Alfa Aesar™ 2-Hydroxy-5-nitropyridine, 98+%

Chemical Name or Material: 2-Hydroxy-5-nitropyridine CAS: 5418-51-9 Molecular Formula: C5H4N2O3 Formula Weight: 140.1 MDL Number: MFCD00006276 Beilstein: 120352 Synonym: 5-Nitro-2-pyridinol; 5-Nitro-2(1H)-pyridone 2-HYDROXY-5-NITROPYRIDINE,98+%,100G

1-Acetyl-1H-pyrazole-4-boronic acid pinacol ester, 97%, ACROS Organics™

Chemical Name or Material: 1-Acetyl-1H-pyrazole-4-boronic acid pinacol ester Assay: ≥96.0% (GC) Assay Percent Range: 97% Molecular Formula: C11H17BN2O3 Formula Weight: 236.08 5GR 1-Acetyl-1H-pyrazole-4-boronic acid pinacol ester, 97%

2,6-Pyridinedicarboxylic acid chloride, 97%, ACROS Organics™

Chemical Name or Material: 2, 6-Pyridinedicarboxylic acid chloride CAS: 3739-94-4 CAS Min %: 96.0 CAS Max %: 100.0 Assay: ≥96.0% (RCOCl) Assay Percent Range: 97% Molecular Formula: C7H3Cl2NO2 Linear Formula: (C5H3N)(COCl)2 Formula Weight: 204.01 MDL Number: MFCD00006289 Synonym: 2, 6-Pyridinedicarbonyl dichloride 25GR 2,6-Pyridinedicarboxylic acid chloride, 97%

Alfa Aesar™ 3-Ethoxy-2-nitropyridine, 98%

Chemical Name or Material: 3-Ethoxy-2-nitropyridine CAS: 74037-50-6 Molecular Formula: C7H8N2O3 Formula Weight: 168.15 MDL Number: MFCD00006257 Beilstein: 141592 3-ETHOXY-2-NITROPYRIDINE, 98%25G

Alfa Aesar™ Furan-2-boronic acid, 97%

Chemical Name or Material: Furan-2-boronic acid CAS: 13331-23-2 Molecular Formula: C4H5BO3 Formula Weight: 111.89 MDL Number: MFCD00799544 Beilstein: 112370 Synonym: 2-Furylboronic acid FURAN-2-BORONIC ACID, 98% 1G

N-(9H-Fluoren-2-ylmethoxycarbonyloxy)succinimide, 98%, ACROS Organics™

Chemical Name or Material: N-(9H-Fluoren-2-ylmethoxycarbonyloxy)succinimide CAS: 82911-69-1 CAS Min %: 97.5 CAS Max %: 100.0 Assay: ≥97.5% (HPLC) Assay Percent Range: 98% Molecular Formula: C19H15NO5 Formula Weight: 337.29 MDL Number: MFCD00010733 Synonym: 1-(9H-Fluorenylmethoxycarbonyloxy)2, 5-pyrrolidinedione 1GR N-(9H-Fluoren-2-ylmethoxycarbonyloxy)succinimide, 98%

Alfa Aesar™ 2-Methyltetrahydrofuran-3-one, 98+%

Chemical Name or Material: 2-Methyltetrahydrofuran-3-one CAS: 3188-00-9 Molecular Formula: C5H8O2 Formula Weight: 100.12 MDL Number: MFCD00010423 UN Number: UN1224 Beilstein: 1341334 Synonym: Dihydro-2-methyl-3(2H)-furanone 2-METHYLTETRAHYDROFURAN-3-ONE, 98%,25G

2-Methylnicotinic acid, +98%, ACROS Organics™

Chemical Name or Material: 2-Methylnicotinic acid CAS: 3222-56-8 CAS Min %: 98.0 CAS Max %: 100.0 Assay: 97.5 to 102.5% Assay Percent Range: 98+% Molecular Formula: C7H7NO2 Formula Weight: 137.14 MDL Number: MFCD00013449 1GR 2-Methylnicotinic acid, 98+%

Alfa Aesar™ 3-(2-Isopropylphenoxy)piperidine

Chemical Name or Material: 3-(2-Isopropylphenoxy)piperidine CAS: 902837-35-8 Molecular Formula: C14H21NO Formula Weight: 219.33 MDL Number: MFCD08061106 3-(2-ISOPROPYLPHENOXY)PIPERIDINE250MG

Alfa Aesar™ 4-Amino-2-methylpyridine, 98%

Chemical Name or Material: 4-Amino-2-methylpyridine CAS: 18437-58-6 Molecular Formula: C6H8N2 Formula Weight: 108.14 MDL Number: MFCD00186509 1GR 4-Amino-2-methylpyridine, 98% 1g

Alfa Aesar™ Ethyl 2-chlorooxazole-4-carboxylate, 95%

Chemical Name or Material: Ethyl 2-chlorooxazole-4-carboxylate CAS: 46081-18-9 Molecular Formula: C6H6ClNO3 Formula Weight: 175.57 MDL Number: MFCD06660120 Synonym: 2-Chlorooxazole-4-carboxylic acid ethyl ester ETHYL 2-CHLOROOXAZOLE-4-CARBOXYLATE, 95%1G

Alfa Aesar™ 2,4-Dibenzyloxypyrimidine-5-boronic acid neopentyl glycol ester, 95%

Chemical Name or Material: 2,4-Dibenzyloxypyrimidine-5-boronic acid neopentyl glycol ester CAS: 1072944-91-2 Molecular Formula: C23H25BN2O4 Formula Weight: 404.27 MDL Number: MFCD09037496 Synonym: 2,4-Bis(benzyloxy)-5-(5,5-dimethyl-1,3,2-dioxaborinan-2-yl)pyrimidine 250MG 2,4-Dibenzyloxypyrimidine-5-boronic acid neopentyl glycol ester, 95% 250mg

Paclitaxel, 99+%, ACROS Organics™

Chemical Name or Material: Paclitaxel Name Note: 99+% CAS: 33069-62-4 Assay: ≥99.0% Assay Percent Range: 99+% Molecular Formula: C47H51NO14 Formula Weight: 853.9 MDL Number: MFCD00869953 Synonym: Taxol 5MG Paclitaxel, 99+%

Alfa Aesar™ 5-Bromotryptamine hydrochloride, 98%

Chemical Name or Material: 5-Bromotryptamine hydrochloride CAS: 81868-12-4 Molecular Formula: C10H11BrN2·HCl Formula Weight: 275.58 MDL Number: MFCD00152022 Beilstein: 3728224 5-BROMOTRYPTAMINE HYDROCHLORIDE, 98%,250MG

Alfa Aesar™ 2,3,3-Trimethyl-3H-benzo[g]indole, 96%

Chemical Name or Material: 2,3,3-Trimethyl-3H-benzo[g]indole CAS: 74470-85-2 Molecular Formula: C15H15N Formula Weight: 209.29 MDL Number: MFCD00723378 1GR 2,3,3-Trimethyl-3H-benzo¢g!indole, 96% 1g

Alfa Aesar™ 1,3,5-Trimethyl-1,3,5-tris(3,3,3-trifluoropropyl)cyclotrisiloxane, 97%

Chemical Name or Material: 1,3,5-Trimethyl-1,3,5-tris(3,3,3-trifluoropropyl)cyclotrisiloxane CAS: 2374-14-3 Molecular Formula: C12H21F9O3Si3 Formula Weight: 468.54 MDL Number: MFCD00054667 UN Number: UN2811 Beilstein: 1809096 Synonym: 1,3,5-Tris[(3,3,3-trifluoropropyl)methyl]cyclotrisiloxane 1,3,5-TRIMETHYL-1,3,5-TRIS(3,3,3-TRIFLUOROPROPY,10

Alfa Aesar™ 2,5-Dichloropyridine-3-boronic acid, 95%

Chemical Name or Material: 2,5-Dichloropyridine-3-boronic acid CAS: 536693-97-7 Molecular Formula: C5H4BCl2NO2 Formula Weight: 191.81 MDL Number: MFCD06659486 250MG 2,5-Dichloropyridine-3-boronic acid, 95% 250mg

Alfa Aesar™ 2-(3-Methoxyphenyl)-4-methylthiazole-5-carboxylic acid, 97%

Chemical Name or Material: 2-(3-Methoxyphenyl)-4-methylthiazole-5-carboxylic acid CAS: 879636-95-0 Molecular Formula: C12H11NO3S Formula Weight: 249.28 MDL Number: MFCD06857927 5GR 2-(3-Methoxyphenyl)-4-methylthiazole-5-carboxylic acid, 97% 5g

  spinner