Heterocyclic Building Blocks

2,2'-Dipyridyl, 99+%, ACROS Organics™

CAS: 366-18-7 Molecular Formula: C10H8N2 Molecular Weight (g/mol): 156.188 InChI Key: ROFVEXUMMXZLPA-UHFFFAOYSA-N Synonym: 2,2'-bipyridine, 2,2'-dipyridyl, 2,2'-bipyridyl, bipyridine, 2,2'-dipyridine, 2-2-pyridyl pyridine, 2,2'-bipyridin, alpha,alpha'-dipyridyl, alpha,alpha'-bipyridyl, 2,2-bipyridyl PubChem CID: 1474 ChEBI: CHEBI:30351 IUPAC Name: 2-pyridin-2-ylpyridine SMILES: C1=CC=NC(=C1)C2=CC=CC=N2 25GR 2,2'-Dipyridyl, 99+%

Rhodamine 6G Perchlorate Laser Grade, 99%, ACROS Organics™

CAS: 13161-28-9 Molecular Formula: C28H31ClN2O7 Molecular Weight (g/mol): 543.013 MDL Number: MFCD00013117 InChI Key: HDAFVOZRAUFNQH-UHFFFAOYSA-N PubChem CID: 13651880 IUPAC Name: ethyl 2-[3-(ethylamino)-6-ethylimino-2,7-dimethylxanthen-9-yl]benzoate;perchloric acid SMILES: CCNC1=C(C=C2C(=C1)OC3=CC(=NCC)C(=CC3=C2C4=CC=CC=C4C(=O)OCC)C)C.OCl(=O)(=O)=O 500MG Rhodamine 6G perchlorate, 99%, pure, laser grade

Alfa Aesar™ N-Phenylmaleimide, 98+%

CAS: 941-69-5 Molecular Formula: C10H7NO2 Molecular Weight (g/mol): 173.171 MDL Number: MFCD00005502 InChI Key: HIDBROSJWZYGSZ-UHFFFAOYSA-N Synonym: n-phenylmaleimide, maleanil, maleinanil, maleimidobenzene, 1h-pyrrole-2,5-dione, 1-phenyl, 1-phenyl-1h-pyrrole-2,5-dione, maleimide, n-phenyl, 1-phenyl-2,5-dihydro-1h-pyrrole-2,5-dione, unii-9u9kt462vw, n-fenylimid kyseliny maleinove PubChem CID: 13662 IUPAC Name: 1-phenylpyrrole-2,5-dione SMILES: C1=CC=C(C=C1)N2C(=O)C=CC2=O N-PHENYLMALEIMIDE, 98+% 100G

6-Amino-3-methyl-1,3-benzoxazol-2(3H)-one, 90%, ACROS Organics™

CAS: 99584-10-8 Molecular Formula: C8H8N2O2 Molecular Weight (g/mol): 164.164 MDL Number: MFCD07801206 InChI Key: FPNLXQSOWBNXCN-UHFFFAOYSA-N Synonym: 6-amino-3-methyl-3h-benzooxazol-2-one, 6-amino-3-methyl-1,3-benzoxazol-2 3h-one, 6-amino-3-methyl-2,3-dihydro-1,3-benzoxazol-2-one, 6-amino-3-methyl-3-hydrobenzoxazol-2-one, 6-amino-3-methylbenzoxazol-2-one, 2 3h-benzoxazolone, 6-amino-3-methyl, 6-amino-3-methylbenzo d oxazol-2 3h-one PubChem CID: 6486006 IUPAC Name: 6-amino-3-methyl-1,3-benzoxazol-2-one SMILES: CN1C2=C(C=C(C=C2)N)OC1=O 5GR 6-Amino-3-methyl-1,3-benzoxazol-2(3H)-one, 90%

1-(2-Aminoethyl)piperazine 99%, ACROS Organics™

CAS: 140-31-8 Molecular Formula: C6H15N3 Molecular Weight (g/mol): 129.207 MDL Number: MFCD00005971 InChI Key: IMUDHTPIFIBORV-UHFFFAOYSA-N Synonym: n-aminoethylpiperazine, n-2-aminoethyl piperazine, 1-2-aminoethyl piperazine, 2-piperazin-1-yl ethanamine, 1-piperazineethanamine, aminoethylpiperazine, 1-piperazineethylamine, 1-aminoethylpiperazine, piperazineethanamine, piperazine, 1-2-aminoethyl PubChem CID: 8795 IUPAC Name: 2-piperazin-1-ylethanamine SMILES: C1CN(CCN1)CCN 100GR 1-(2-Aminoethyl)piperazine, 99%

Alfa Aesar™ 5-Bromo-2-ethoxypyridine-3-boronic acid, 97%

CAS: 871332-98-8 Molecular Formula: C7H9BBrNO3 Molecular Weight (g/mol): 245.867 MDL Number: MFCD07363847 InChI Key: VXXXKWUXSALQQW-UHFFFAOYSA-N PubChem CID: 44886948 IUPAC Name: (5-bromo-2-ethoxypyridin-3-yl)boronic acid SMILES: B(C1=CC(=CN=C1OCC)Br)(O)O 250MG 5-Bromo-2-ethoxypyridine-3-boronic acid, 97% 250mg

Alfa Aesar™ 5-Bromoisoquinoline, 98%

CAS: 34784-04-8 Molecular Formula: C9H6BrN Molecular Weight (g/mol): 208.058 MDL Number: MFCD01646405 InChI Key: CYJZJGYYTFQQBY-UHFFFAOYSA-N PubChem CID: 736487 IUPAC Name: 5-bromoisoquinoline SMILES: C1=CC2=C(C=CN=C2)C(=C1)Br 5-BROMOISOQUINOLINE, 98% 250MG

Alfa Aesar™ 4-(4-Morpholinylcarbonyl)benzeneboronic acid pinacol ester, 97%

CAS: 656239-38-2 Molecular Formula: C17H24BNO4 Molecular Weight (g/mol): 317.192 MDL Number: MFCD05863913 InChI Key: ZOPBEWUNCNLYSD-UHFFFAOYSA-N Synonym: 4-(Morpholine-4-carbonyl)phenylboronic acid pinacol ester; 4-[4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)benzoyl]morpholine PubChem CID: 2760141 IUPAC Name: morpholin-4-yl-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]methanone SMILES: B1(OC(C(O1)(C)C)(C)C)C2=CC=C(C=C2)C(=O)N3CCOCC3 4-(4-MORPHOLINYLCARBONYL) BENZENEBORONIC ACID PI-1

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

CAS: 59-00-7 Molecular Formula: C10H7NO4 Molecular Weight (g/mol): 205.169 MDL Number: MFCD00006754 InChI Key: FBZONXHGGPHHIY-UHFFFAOYSA-N Synonym: xanthurenic acid, 4,8-dihydroxyquinoline-2-carboxylic acid, xanthuric acid, 8-hydroxykynurenic acid, 4,8-dihydroxyquinaldic acid, 4,8-dihydroxyquinaldinic acid, xanthurenate, 2-quinolinecarboxylic acid, 4,8-dihydroxy, unii-58lab1bg8j, ccris 4429 PubChem CID: 5699 ChEBI: CHEBI:10072 IUPAC Name: 8-hydroxy-4-oxo-1H-quinoline-2-carboxylic acid SMILES: C1=CC2=C(C(=C1)O)NC(=CC2=O)C(=O)O 1GR 4,8-Dihydroxyquinoline-2-carboxylic acid, 96%

3-Methylindole 98%, ACROS Organics™

CAS: 83-34-1 Molecular Formula: C9H9N Molecular Weight (g/mol): 131.178 MDL Number: MFCD00005627 InChI Key: ZFRKQXVRDFCRJG-UHFFFAOYSA-N Synonym: 3-methylindole, skatole, scatole, skatol, 1h-indole, 3-methyl, beta-methylindole, indole, 3-methyl, 3-mi, 3-methyl-4,5-benzopyrrole, 3-methyl indole PubChem CID: 6736 ChEBI: CHEBI:9171 IUPAC Name: 3-methyl-1H-indole SMILES: CC1=CNC2=CC=CC=C12 10GR 3-Methylindole, 98%

Alfa Aesar™ 2-Amino-4-methoxybenzothiazole, 97%

CAS: 5464-79-9 Molecular Formula: C8H8N2OS Molecular Weight (g/mol): 180.225 MDL Number: MFCD00005792 InChI Key: YEBCRAVYUWNFQT-UHFFFAOYSA-N PubChem CID: 21622 IUPAC Name: 4-methoxy-1,3-benzothiazol-2-amine SMILES: COC1=C2C(=CC=C1)SC(=N2)N 2-AMINO-4-METHOXYBENZOTHIAZOLE, 97%,5G

Alfa Aesar™ (S)-(-)-1-Boc-4-oxopiperidine-2-carboxylic acid, 95%

CAS: 198646-60-5 Molecular Formula: C11H17NO5 Molecular Weight (g/mol): 243.259 MDL Number: MFCD03094867 InChI Key: GPBCBXYUAJQMQM-QMMMGPOBSA-N Synonym: (S)-1-Boc-4-oxopipecolic acid PubChem CID: 10857681 IUPAC Name: (2S)-1-[(2-methylpropan-2-yl)oxycarbonyl]-4-oxopiperidine-2-carboxylic acid SMILES: CC(C)(C)OC(=O)N1CCC(=O)CC1C(=O)O 250MG (S)-(-)-1-Boc-4-oxopiperidine-2-carboxylic acid, 95% 250mg

Alfa Aesar™ 1-(4-Nitrophenylsulfonyl)pyrrolidine, 97%

CAS: 175278-37-2 Molecular Formula: C10H12N2O4S Molecular Weight (g/mol): 256.276 MDL Number: MFCD00277216 InChI Key: FFCUNTGOHGZCQO-UHFFFAOYSA-N PubChem CID: 723627 IUPAC Name: 1-(4-nitrophenyl)sulfonylpyrrolidine SMILES: C1CCN(C1)S(=O)(=O)C2=CC=C(C=C2)[N+](=O)[O-] 250MG 1-(4-Nitrophenylsulfonyl)pyrrolidine, 97% 250mg

Alfa Aesar™ 3,5-Dimethylisoxazole-4-boronic acid, 97%

CAS: 16114-47-9 Molecular Formula: C5H8BNO3 Molecular Weight (g/mol): 140.933 MDL Number: MFCD02677945 InChI Key: DIIFZCPZIRQDIJ-UHFFFAOYSA-N PubChem CID: 2734346 IUPAC Name: (3,5-dimethyl-1,2-oxazol-4-yl)boronic acid SMILES: B(C1=C(ON=C1C)C)(O)O 5GR 3,5-Dimethylisoxazole-4-boronic acid, 97% 5g

Alfa Aesar™ 3-Bromo-2-chloropyridine-5-sulfonyl chloride, 96%

CAS: 216394-05-7 Molecular Formula: C5H2BrCl2NO2S Molecular Weight (g/mol): 290.94 MDL Number: MFCD01318107 InChI Key: TURGMVYIESHZBE-UHFFFAOYSA-N Synonym: 3-bromo-2-chloropyridine-5-sulfonyl chloride, 3-bromo-2-chloropyridine-5-sulphonyl chloride, 5-bromo-6-chloro-pyridine-3-sulfonyl chloride, 5-bromo-6-chloro-3-chlorosulphonyl pyridine, 5-bromo-6-chloro-3-pyridinesulfonyl chloride, 5-bromo-6-chloro-3-pyridine sulfonyl chloride, pubchem1289, 5-bromo-6-chloropyridine-3-sulfonylchloride, acmc-209xe4, 5-bromo-6-chloro 3-pyridyl chlorosulfone PubChem CID: 2793626 IUPAC Name: 5-bromo-6-chloropyridine-3-sulfonyl chloride SMILES: C1=C(C=NC(=C1Br)Cl)S(=O)(=O)Cl 3-BROMO-2-CHLOROPYRIDINE-5-SULPHONYL CHLORIDE, 98,

(S)-N-BOC-Piperidine-2-carboxylic acid, 98%, ACROS Organics™

CAS: 26250-84-0 Molecular Formula: C11H19NO4 Molecular Weight (g/mol): 229.276 MDL Number: MFCD00151904 InChI Key: JQAOHGMPAAWWQO-QMMMGPOBSA-N Synonym: boc-pip-oh, s-1-boc-piperidine-2-carboxylic acid, s-n-boc-piperidine-2-carboxylic acid, s-1-tert-butoxycarbonyl piperidine-2-carboxylic acid, boc-l-pipecolic acid, boc-l-pip-oh, n-boc-l-pipecolinic acid, l-n-boc-pipecolic acid, 2s-1-tert-butoxycarbonyl piperidine-2-carboxylic acid, 2s-1-tert-butoxy carbonyl piperidine-2-carboxylic acid PubChem CID: 688617 IUPAC Name: (2S)-1-[(2-methylpropan-2-yl)oxycarbonyl]piperidine-2-carboxylic acid SMILES: CC(C)(C)OC(=O)N1CCCCC1C(=O)O 25GR (S)-N-BOC-Piperidine-2-carboxylic acid, 98%

Alfa Aesar™ 2-Chloro-N-(2-methoxyphenyl)pyridine-4-carboxamide, 95%

CAS: 1019384-16-7 Molecular Formula: C13H11ClN2O2 Molecular Weight (g/mol): 262.693 MDL Number: MFCD11522882 InChI Key: BKEYNQQFXWKPRY-UHFFFAOYSA-N Synonym: 2-Chloro-N-(2-methoxyphenyl)isonicotinamide PubChem CID: 28376107 IUPAC Name: 2-chloro-N-(2-methoxyphenyl)pyridine-4-carboxamide SMILES: COC1=CC=CC=C1NC(=O)C2=CC(=NC=C2)Cl 1GR 2-Chloro-N-(2-methoxyphenyl)pyridine-4-carboxamide, 95% 1g

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

CAS: 140681-55-6 Molecular Formula: C7H14B2ClF9N2 Molecular Weight (g/mol): 354.259 InChI Key: TXRPHPUGYLSHCX-UHFFFAOYSA-N Synonym: selectfluor, 1-chloromethyl-4-fluoro-1,4-diazoniabicyclo 2.2.2 octane bis tetrafluoroborate, f-teda-bf4, 1-chloromethyl-4-fluoro-1,4-diazabicyclo 2.2.2 octane-1,4-diium tetrafluoroborate, unii-4p1za6r76d, selectfluor fluorinating reagent, f-teda, selectfluor r fluorinating reagent, 1-chloromethyl-4-fluoro-1,4-diazoniabicyclo 2.2.2 octane ditetrafluoroborate, 1-chloromethyl-4-fluoro-1,4-diazoniabicyclo 2.2.2 octane bis tetrafluoroborate PubChem CID: 2724933 IUPAC Name: 1-(chloromethyl)-4-fluoro-1,4-diazoniabicyclo[2.2.2]octane;ditetrafluoroborate SMILES: [B-](F)(F)(F)F.[B-](F)(F)(F)F.C1C[N+]2(CC[N+]1(CC2)CCl)F 100GR 1-Chloromethyl-4-fluoro-1,4-diazoniabicyclo¬Ę2.2.2!octane bis(tetrafluoroborate), 96%

Alfa Aesar™ 2-Chloro-3-methylquinoline, 97%

CAS: 57876-69-4 Molecular Formula: C10H8ClN Molecular Weight (g/mol): 177.631 MDL Number: MFCD00100265 InChI Key: UMYPPRQNLXTIEQ-UHFFFAOYSA-N PubChem CID: 339082 IUPAC Name: 2-chloro-3-methylquinoline SMILES: CC1=CC2=CC=CC=C2N=C1Cl 2-CHLORO-3-METHYLQUINOLINE1G

Alfa Aesar™ 3-Amino-4-methoxy-1H-indazole, 97%

CAS: 886362-07-8 Molecular Formula: C8H9N3O Molecular Weight (g/mol): 163.18 MDL Number: MFCD08276946 InChI Key: JZAMRGWQDJMEJD-UHFFFAOYSA-N PubChem CID: 18526053 IUPAC Name: 4-methoxy-1H-indazol-3-amine SMILES: COC1=CC=CC2=C1C(=NN2)N 1GR 3-Amino-4-methoxy-1H-indazole, 97% 1g

Alfa Aesar™ 5-Methoxyflavone, 97%

CAS: 42079-78-7 Molecular Formula: C16H12O3 Molecular Weight (g/mol): 252.269 MDL Number: MFCD00016942 InChI Key: XRQSPUXANRGDAV-UHFFFAOYSA-N PubChem CID: 94525 IUPAC Name: 5-methoxy-2-phenylchromen-4-one SMILES: COC1=CC=CC2=C1C(=O)C=C(O2)C3=CC=CC=C3 5-METHOXYFLAVONE, 97% 0,5G

Alfa Aesar™ 2,4,6,8-Tetramethyl-2,4,6,8-tetravinylcyclotetrasiloxane, 97%

CAS: 2563-07-7 Molecular Formula: C9H12O2 Molecular Weight (g/mol): 152.19 MDL Number: MFCD00040293 InChI Key: ZWQBCCVEOIYNDL-UHFFFAOYSA-N Synonym: 2,4,6,8-Tetravinyl-2,4,6,8-tetramethylcyclotetrasiloxane PubChem CID: 75715 IUPAC Name: 2-ethoxy-4-methylphenol SMILES: CCOC1=C(C=CC(=C1)C)O 2,4,6,8-TETRAMETHYL-2,4,6,8-TETRAVINYLCYCLOTETRA,5

2-Bromopyridine-3-carboxylic acid, 97%, ACROS Organics™

CAS: 35905-85-2 Molecular Formula: C6H4BrNO2 Molecular Weight (g/mol): 202.007 MDL Number: MFCD01646068 InChI Key: MMWNKXIFVYQOTK-UHFFFAOYSA-N Synonym: 2-bromonicotinic acid, 2-bromo-3-pyridinecarboxylic acid, 3-pyridinecarboxylic acid, 2-bromo, 2-bromo-nicotinic acid, 2-bromo-3-carboxypyridine, 3-bromopyridine-3-carboxylic acid, bromo-nicotinic acid, pubchem5071, acmc-1aj4p, ksc223s8f PubChem CID: 233262 IUPAC Name: 2-bromopyridine-3-carboxylic acid SMILES: C1=CC(=C(N=C1)Br)C(=O)O 5GR 2-Bromopyridine-3-carboxylic acid, 97%

Alfa Aesar™ 6-Fluoro-4-hydroxy-2-methylquinoline, 97%

CAS: 15912-68-2 Molecular Formula: C10H8FNO Molecular Weight (g/mol): 177.178 MDL Number: MFCD00041442 InChI Key: BKXCHVFCJZJATJ-UHFFFAOYSA-N Synonym: 6-Fluoro-4-hydroxyquinaldine PubChem CID: 85184 IUPAC Name: 6-fluoro-2-methyl-1H-quinolin-4-one SMILES: CC1=CC(=O)C2=C(N1)C=CC(=C2)F 6-FLUORO-4-HYDROXY-2-METHYLQUINOLINE, 97%,1G

Alfa Aesar™ 2-Chloro-5-(4-morpholinylcarbonyl)benzeneboronic acid, 97%

CAS: 2096334-28-8 Molecular Formula: C11H13BClNO4 Molecular Weight (g/mol): 269.49 MDL Number: MFCD22125151 InChI Key: CXZUTSFZPQBIPI-UHFFFAOYSA-N Synonym: 2-Chloro-5-(4-morpholinylcarbonyl)phenylboronic acid PubChem CID: 73996145 250MG 2-Chloro-5-(4-morpholinylcarbonyl)benzeneboronic acid, 97% 250mg

Alfa Aesar™ 3,5-Dimethyl-1-phenyl-1H-pyrazole, 97%

CAS: 1131-16-4 Molecular Formula: C11H12N2 Molecular Weight (g/mol): 172.231 MDL Number: MFCD00020728 InChI Key: ULPMPUPEFBDQQA-UHFFFAOYSA-N PubChem CID: 70800 IUPAC Name: 3,5-dimethyl-1-phenylpyrazole SMILES: CC1=CC(=NN1C2=CC=CC=C2)C 3,5-DIMETHYL-1-PHENYLPYRAZOLE, 97%,5G

Alfa Aesar™ 2-sec-Butylthiazole, 98+%

CAS: 18277-27-5 Molecular Formula: C7H11NS Molecular Weight (g/mol): 141.232 MDL Number: MFCD00051951 InChI Key: MHJSWOZJMPIGJQ-UHFFFAOYSA-N Synonym: 2-sec-butylthiazole, 2-sec-butyl thiazole, 2-1-methylpropyl thiazole, 2-1-methylpropyl-thiazole, thiazole, 2-1-methylpropyl, 2-butan-2-yl-1,3-thiazole, thiazole, 2-sec-butyl, fema no. 3372, 2-s-butylthiazole, 2-sec-butyl thiazole PubChem CID: 519539 IUPAC Name: 2-butan-2-yl-1,3-thiazole SMILES: CCC(C)C1=NC=CS1 2-SEC-BUTYLTHIAZOLE, 98+% 5G

Alfa Aesar™ 2-Amino-4-(trifluoromethyl)pyridine, 99%

CAS: 106447-97-6 Molecular Formula: C6H5F3N2 Molecular Weight (g/mol): 162.115 MDL Number: MFCD00077455 InChI Key: RWGBXAQMUBGGKQ-UHFFFAOYSA-N Synonym: 4-Trifluoromethyl-2-pyridinamine PubChem CID: 2778315 IUPAC Name: 4-(trifluoromethyl)pyridin-2-amine SMILES: C1=CN=C(C=C1C(F)(F)F)N 2-AMINO-4-(TRIFLUOROMETHYL)PYRIDINE,500MG

Alfa Aesar™ 5-(2,3-Dichlorophenyl)furan-2-carbonyl chloride, 97%

CAS: 381710-55-0 Molecular Formula: C11H5Cl3O2 Molecular Weight (g/mol): 275.51 MDL Number: MFCD02258058 InChI Key: KXMCTDJVXINLHL-UHFFFAOYSA-N Synonym: 5-2,3-dichlorophenyl furan-2-carbonyl chloride, 5-2,3-dichloro-phenyl-furan-2-carbonyl chloride, 5-2,3-dichloro-phenyl-furan-2-carbonyl chloride PubChem CID: 3874936 5-(2,3-DICHLOROPHENYL)FURAN-2-CARBONYL CHLORIDE5G

Alfa Aesar™ Methyl 2,6-dichloropyridine-4-carboxylate, 97%

CAS: 42521-09-5 Molecular Formula: C7H5Cl2NO2 Molecular Weight (g/mol): 206.022 MDL Number: MFCD00044409 InChI Key: XSKGHSUHOYEBTK-UHFFFAOYSA-N Synonym: 2,6-Dichloropyridine-4-carboxylic acid methyl ester; Methyl 2,6-dichloroisonicotinate PubChem CID: 93237 IUPAC Name: methyl 2,6-dichloropyridine-4-carboxylate SMILES: COC(=O)C1=CC(=NC(=C1)Cl)Cl 1GR Methyl 2,6-dichloropyridine-4-carboxylate, 97% 1g

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