Heterocyclic Building Blocks

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

CAS.: 872-50-4 Summenformel: C5H9NO Molecular Weight (g/mol): 99.133 MDL-Nummer: MFCD00003193 InChI Key: SECXISVLQFMRJM-UHFFFAOYSA-N Synonym: 1-methyl-2-pyrrolidinone, n-methyl-2-pyrrolidone, n-methylpyrrolidone, 1-methyl-2-pyrrolidone, methylpyrrolidone, m-pyrol, n-methyl-2-pyrrolidinone, n-methylpyrrolidinone, 1-methylpyrrolidinone, 2-pyrrolidinone, 1-methyl PubChem CID: 13387 ChEBI: CHEBI:7307 IUPAC Name: 1-methylpyrrolidin-2-one SMILES: CN1CCCC1=O 2.5LT N-Methyl-2-pyrrolidinon, 99.5%, für die HPLC

Fluorescein, ACROS Organics™

CAS.: 2321-07-5 Summenformel: C20H12O5 Molecular Weight (g/mol): 332.31 MDL-Nummer: MFCD00005050 InChI Key: GNBHRKFJIUUOQI-UHFFFAOYSA-N PubChem CID: 16850 ChEBI: CHEBI:31624 IUPAC Name: 3',6'-dihydroxyspiro[2-benzofuran-3,9'-xanthene]-1-one SMILES: C1=CC=C2C(=C1)C(=O)OC23C4=C(C=C(C=C4)O)OC5=C3C=CC(=C5)O 100GR Fluorescein, pure

Pyridine, 99.5%, Extra Dry over Molecular Sieve, AcroSeal™, ACROS Organics™

CAS.: 110-86-1 Summenformel: C5H5N Molecular Weight (g/mol): 79.102 MDL-Nummer: MFCD00011732 InChI Key: JUJWROOIHBZHMG-UHFFFAOYSA-N Synonym: azabenzene, azine, pyridin, piridina, pirydyna, pyridin german, pirydyna polish, piridina italian, rcra waste number u196, caswell no. 717 PubChem CID: 1049 ChEBI: CHEBI:16227 IUPAC Name: pyridine SMILES: C1=CC=NC=C1 2.5LT Pyridin, 99.5%, extra trocken, über Molekularsieb, AcroSeal

Alfa Aesar™ Borane-tetrahydrofuran complex, 1M soln. in THF, stab. with 5mmol NaBH4

CAS.: 14044-65-6 Summenformel: C4H8BO Molecular Weight (g/mol): 82.917 MDL-Nummer: MFCD00012429 InChI Key: UWTDFICHZKXYAC-UHFFFAOYSA-N Synonym: borane-tetrahydrofuran complex, tetrahydrofuran borane, bh3.thf, borane tetrahydrofuran complex solution, borane-d3-thf complex solution, borane-tetrahydrofuran, unii-5ear4err1l, oxolane borane, boron; oxolane, borane thf PubChem CID: 11062302 IUPAC Name: boron;oxolane SMILES: [B].C1CCOC1 BORANE-TETRAHYDROFURAN CO MPLEX, 1M IN THF 25ML

Alfa Aesar™ 2,6-Dibromopyridine, 98%

CAS.: 626-05-1 Summenformel: C5H3Br2N Molecular Weight (g/mol): 236.894 MDL-Nummer: MFCD00006223 InChI Key: FEYDZHNIIMENOB-UHFFFAOYSA-N Synonym: pyridine, 2,6-dibromo, 2,6-dibromo-pyridine, 2,6-dibromo pyridine, 2,6dibromopyridine, 2,6-dibrompyridine, 2,6 dibromopyridine, 2.6-dibromopyridine, pubchem3204, 2, 6-dibromopyridine, acmc-209n5v PubChem CID: 12274 IUPAC Name: 2,6-dibromopyridine SMILES: C1=CC(=NC(=C1)Br)Br 2,6-DIBROMOPYRIDINE, 98% 500G

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

CAS.: 110-86-1 Summenformel: C5H5N Molecular Weight (g/mol): 79.102 MDL-Nummer: MFCD00011732 InChI Key: JUJWROOIHBZHMG-UHFFFAOYSA-N Synonym: azabenzene, azine, pyridin, piridina, pirydyna, pyridin german, pirydyna polish, piridina italian, rcra waste number u196, caswell no. 717 PubChem CID: 1049 ChEBI: CHEBI:16227 IUPAC Name: pyridine SMILES: C1=CC=NC=C1 2.5LT Pyridin, 99.5%, extra trocken, AcroSeal

1,4-Dioxane, 99.5%, Extra Dry over Molecular Sieve, AcroSeal™, ACROS Organics™

CAS.: 123-91-1 Summenformel: C4H8O2 Molecular Weight (g/mol): 88.106 MDL-Nummer: MFCD00006571 InChI Key: RYHBNJHYFVUHQT-UHFFFAOYSA-N Synonym: dioxane, p-dioxane, 1,4-diethylene dioxide, diethylene ether, dioxan, 1,4-dioxacyclohexane, diethylene dioxide, dioxanne, di ethylene oxide, tetrahydro-p-dioxin PubChem CID: 31275 ChEBI: CHEBI:47032 IUPAC Name: 1,4-dioxane SMILES: C1COCCO1 100ML 1,4-Dioxan, 99.5%, extra trocken, über Molekularsieb, stabilisiert, AcroSeal

Caffeine, 98.5%, USP/BP, ACROS Organics™

CAS.: 58-08-2 Summenformel: C8H10N4O2 Molecular Weight (g/mol): 194.194 MDL-Nummer: MFCD00005758 InChI Key: RYYVLZVUVIJVGH-UHFFFAOYSA-N Synonym: caffeine, 1,3,7-trimethylxanthine, guaranine, thein, cafeina, methyltheobromine, koffein, mateina, theine, alert-pep PubChem CID: 2519 ChEBI: CHEBI:27732 IUPAC Name: 1,3,7-trimethylpurine-2,6-dione SMILES: CN1C=NC2=C1C(=O)N(C(=O)N2C)C 10GR Coffein, 98.5%

2,2'-Dipyridyl N,N'-dioxide, 98%, ACROS Organics™

CAS.: 7275-43-6 Summenformel: C10H8N2O2 Molecular Weight (g/mol): 188.186 MDL-Nummer: MFCD00065169 InChI Key: FERMVCULDZOVOJ-MDZDMXLPSA-N Synonym: 2,2'-bipyridine 1,1'-dioxide, 2,2'-dipyridyl n,n'-dioxide, 2,2'-bipyridine 1,1'-dioxide, 2,2'-bipyridine n,n'-dioxide, 2,2'-dipyridyl-n,n'-dioxide PubChem CID: 6005843 IUPAC Name: (2E)-2-(1-oxidopyridin-2-ylidene)pyridin-1-ium 1-oxide SMILES: C1=CC(=C2C=CC=C[N+]2=O)N(C=C1)[O-] 1GR 2,2'-Bipyridyl-N,N'-dioxid, 98%

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

CAS.: 872-50-4 Summenformel: C5H9NO Molecular Weight (g/mol): 99.133 MDL-Nummer: MFCD00003193 InChI Key: SECXISVLQFMRJM-UHFFFAOYSA-N Synonym: 1-methyl-2-pyrrolidinone, n-methyl-2-pyrrolidone, n-methylpyrrolidone, 1-methyl-2-pyrrolidone, methylpyrrolidone, m-pyrol, n-methyl-2-pyrrolidinone, n-methylpyrrolidinone, 1-methylpyrrolidinone, 2-pyrrolidinone, 1-methyl PubChem CID: 13387 ChEBI: CHEBI:7307 IUPAC Name: 1-methylpyrrolidin-2-one SMILES: CN1CCCC1=O 25LT N-Methyl-2-pyrrolidinon, 99%, extra pure

Furfuryl Alcohol, 98%, ACROS Organics™

CAS.: 98-00-0 Summenformel: C5H6O2 Molecular Weight (g/mol): 98.101 MDL-Nummer: MFCD00003252 InChI Key: XPFVYQJUAUNWIW-UHFFFAOYSA-N Synonym: furfuryl alcohol, 2-furanmethanol, 2-furylmethanol, 2-furancarbinol, 2-furylcarbinol, furfuranol, 2-furanylmethanol, furfural alcohol, 2-furfuryl alcohol, 5-hydroxymethylfuran PubChem CID: 7361 ChEBI: CHEBI:207496 IUPAC Name: furan-2-ylmethanol SMILES: C1=COC(=C1)CO 2.5LT Furfurylalkohol, 98%

Nicotine ditartrate dihydrate, 98%, ACROS Organics™

Summenformel: 2C4H6O6·2H2O Synonym: (-)-Nicotine di-(+)-hydrogen tartrate dihydrate 10GR Nicotin Ditartrat Dihydrat, 98%

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

CAS.: 123-91-1 Summenformel: C4H8O2 Molecular Weight (g/mol): 88.106 MDL-Nummer: MFCD00006571 InChI Key: RYHBNJHYFVUHQT-UHFFFAOYSA-N Synonym: dioxane, p-dioxane, 1,4-diethylene dioxide, diethylene ether, dioxan, 1,4-dioxacyclohexane, diethylene dioxide, dioxanne, di ethylene oxide, tetrahydro-p-dioxin PubChem CID: 31275 ChEBI: CHEBI:47032 IUPAC Name: 1,4-dioxane SMILES: C1COCCO1 25LT 1,4-Dioxan, 99+%, extra pure, stabilisiert

Rose Bengal, 85%, pure, high purity, Biological stain, ACROS Organics™

CAS.: 632-69-9 Summenformel: C20H4Cl4I4Na2O5 Molecular Weight (g/mol): 1019.644 MDL-Nummer: MFCD00005043 InChI Key: DPBQSRZQYAYDGY-UHFFFAOYSA-N Synonym: Acid Red 94, C.I. 45440 PubChem CID: 87244310 IUPAC Name: sodium;4,5,6,7-tetrachloro-3',6'-dihydroxy-2',4',5',7'-tetraiodospiro[2-benzofuran-3,9'-xanthene]-1-one SMILES: C1=C2C(=C(C(=C1I)O)I)OC3=C(C(=C(C=C3C24C5=C(C(=C(C(=C5Cl)Cl)Cl)Cl)C(=O)O4)I)O)I.[Na].[Na] 25GR Bengalrosa, 85%, pure, hohe Reinheit, biologisches Färbemittel

(S)-(-)-2-Pyrrolidone-5-carboxylic acid, 98%, ACROS Organics™

CAS.: 98-79-3 Summenformel: C5H7NO3 Molecular Weight (g/mol): 129.115 InChI Key: ODHCTXKNWHHXJC-VKHMYHEASA-N Synonym: l-pyroglutamic acid, pyroglutamic acid, pidolic acid, 5-oxo-l-proline, h-pyr-oh, 5-oxoproline, s-5-oxopyrrolidine-2-carboxylic acid, 2s-5-oxopyrrolidine-2-carboxylic acid, l-5-oxoproline, l-proline, 5-oxo PubChem CID: 7405 ChEBI: CHEBI:18183 IUPAC Name: (2S)-5-oxopyrrolidine-2-carboxylic acid SMILES: C1CC(=O)NC1C(=O)O 100GR (S)-(-)-5-Pyrrolidon-2-carbonsäure (2-5), 98

Alfa Aesar™ 1,3,5-Triazine, 97%

CAS.: 290-87-9 Summenformel: C3H3N3 Molecular Weight (g/mol): 81.078 MDL-Nummer: MFCD00006044 InChI Key: JIHQDMXYYFUGFV-UHFFFAOYSA-N Synonym: s-triazine, sym-triazine, cyanidine, vedita 250, unii-8b5f4cm81e, vedita, 1,5-triazine, s-triazine, hydrogen cyanide trimer, acmc-209h6t PubChem CID: 9262 ChEBI: CHEBI:30259 IUPAC Name: 1,3,5-triazine SMILES: C1=NC=NC=N1 1,3,5-TRIAZINE, 97% 25G

4-Pyridinecarboxaldehyde, 98%, ACROS Organics™

CAS.: 872-85-5 Summenformel: C6H5NO Molecular Weight (g/mol): 107.112 MDL-Nummer: MFCD00006425 InChI Key: BGUWFUQJCDRPTL-UHFFFAOYSA-N Synonym: 4-pyridinecarboxaldehyde, isonicotinaldehyde, 4-formylpyridine, isonicotinic aldehyde, p-pyridinealdehyde, pyridine-4-carboxaldehyde, 4-pyridinealdehyde, 4-pyridylaldehyde, 4-pyridinecarbaldehyde, pyridine-4-aldehyde PubChem CID: 13389 IUPAC Name: pyridine-4-carbaldehyde SMILES: C1=CN=CC=C1C=O 100GR Pyridin-4-aldehyd, 98%

Pyrrole, 99%, extra pure, ACROS Organics™

CAS.: 109-97-7 Summenformel: C4H5N Molecular Weight (g/mol): 67.091 MDL-Nummer: MFCD00005216 InChI Key: KAESVJOAVNADME-UHFFFAOYSA-N Synonym: pyrrole, divinylenimine, azole, imidole, pyrrol, monopyrrole, divinyleneimine, 1-aza-2,4-cyclopentadiene, polypyrrole, unii-86s1zd6l2c PubChem CID: 8027 ChEBI: CHEBI:19203 IUPAC Name: 1H-pyrrole SMILES: C1=CNC=C1 25GR Pyrrol, 99%, extra pure

Suberic acid bis(N-hydroxysuccinimide ester), 97%, ACROS Organics™

CAS.: 68528-80-3 Summenformel: C16H20N2O8 Molecular Weight (g/mol): 368.342 MDL-Nummer: MFCD00049059 InChI Key: ZWIBGKZDAWNIFC-UHFFFAOYSA-N Synonym: disuccinimidyl suberate, bis 2,5-dioxopyrrolidin-1-yl octanedioate, suberic acid bis n-hydroxysuccinimide ester, di n-succinimidyl suberate, bicl100, 2,5-pyrrolidinedione, 1,1'-1,8-dioxo-1,8-octanediyl bis oxy bis, nhs-sa, disuccinimidylsuberate, dsis, n-hydroxysuccinimide suberic acid ester PubChem CID: 100658 IUPAC Name: bis(2,5-dioxopyrrolidin-1-yl) octanedioate SMILES: C1CC(=O)N(C1=O)OC(=O)CCCCCCC(=O)ON2C(=O)CCC2=O 1GR Octandisäurebis-(N-hydroxysuccinimidester), 97

3-Bromopyridine 99%, ACROS Organics™

CAS.: 626-55-1 Summenformel: C5H4BrN Molecular Weight (g/mol): 157.998 MDL-Nummer: MFCD00006373 InChI Key: NYPYPOZNGOXYSU-UHFFFAOYSA-N Synonym: 3-pyridyl bromide, pyridine, 3-bromo, 3-bromo pyridine, 3-bromo-pyridine, 5-bromopyridine, unii-xmn8h2xe9h, 5-bromo pyridine, xmn8h2xe9h, 3-pyridylbromide, 3-bromopryidine PubChem CID: 12286 ChEBI: CHEBI:51575 IUPAC Name: 3-bromopyridine SMILES: C1=CC(=CN=C1)Br 100ML 3-Brompyridin, 99%

Dimidium bromide monohydrate, 98%, ACROS Organics™

CAS.: 518-67-2 Summenformel: C20H18BrN3 Molecular Weight (g/mol): 380.289 MDL-Nummer: MFCD00149984 InChI Key: MQOKYEROIFEEBH-UHFFFAOYSA-N Synonym: dimidium bromide, trypadine, 3,8-diamino-5-methyl-6-phenylphenanthridinium bromide, phenanthridinium 1553, phenanthridinium compound 1553, phenanthridinium, 3,8-diamino-5-methyl-6-phenyl-, bromide, 2,7-diamino-10-methyl-9-phenylphenanthridinium bromide, 3,8-diamino-5-methyl-6-phenylphenanthridin-5-ium bromide, phenanthridium 1553, dimidium bromide PubChem CID: 68207 IUPAC Name: 5-methyl-6-phenylphenanthridin-5-ium-3,8-diamine;bromide SMILES: C[N+]1=C2C=C(C=CC2=C3C=CC(=CC3=C1C4=CC=CC=C4)N)N.[Br-] 250MG Dimidiumbromid, 98%

Alfa Aesar™ 1-Vinylimidazole, 99%

CAS.: 1072-63-5 Summenformel: C5H6N2 Molecular Weight (g/mol): 94.117 MDL-Nummer: MFCD00005297 InChI Key: OSSNTDFYBPYIEC-UHFFFAOYSA-N Synonym: 1-vinylimidazole, 1-vinyl-1h-imidazole, n-vinylimidazole, 1h-imidazole, 1-ethenyl, lufixan, polyvinylimidazole, poly vinylimidazole, poly n-vinylimidazole, poly 1-vinylimidazole, n-vinylimidazole polymer PubChem CID: 66171 IUPAC Name: 1-ethenylimidazole SMILES: C=CN1C=CN=C1 1-VINYLIMIDAZOLE, 99% 100G

Potassium indigotrisulfonate, ACROS Organics™

CAS.: 67627-18-3 Summenformel: C16H7K3N2O11S3 Molecular Weight (g/mol): 616.71 MDL-Nummer: MFCD00013160 InChI Key: XOSMXDUITYWYGR-VPOCKCTCSA-K Synonym: potassium indigotrisulfonate, indigotrisulfonic acid tripotassium salt, indigotrisulfonate potassium salt, indigotrisulfonic acid potassium salt, unii-5zza8n0abt, 5zza8n0abt, tripotassium indigotrisulfonate, tri-potassium indigotrisulfonate, tripotassium indigo-5,5',7-trisulfonate, tri-potassium indigo-5,5',7-trisulfonate PubChem CID: 6364606 IUPAC Name: tripotassium;(2E)-3-oxo-2-(3-oxo-5-sulfonato-1H-indol-2-ylidene)-1H-indole-5,7-disulfonate SMILES: C1=CC2=C(C=C1S(=O)(=O)[O-])C(=O)C(=C3C(=O)C4=CC(=CC(=C4N3)S(=O)(=O)[O-])S(=O)(=O)[O-])N2.[K+].[K+].[K+] 25GR Indigo-5,5',7-trisulfonsäure Trikaliumsalz

3-Methylindole 98%, ACROS Organics™

CAS.: 83-34-1 Summenformel: C9H9N Molecular Weight (g/mol): 131.178 MDL-Nummer: 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-Methylindol, 98%

Alfa Aesar™ 4-(Methylamino)pyridine, 99%

CAS.: 1121-58-0 Summenformel: C6H8N2 Molecular Weight (g/mol): 108.144 MDL-Nummer: MFCD00152625 InChI Key: LSCYTCMNCWMCQE-UHFFFAOYSA-N Synonym: 4-methylamino pyridine, 4-methylaminopyridine, n-methyl-4-pyridinamine, 4-pyridinamine, n-methyl, pyridin-4-yl methyl amine, 4-mamp, dmap on polystyrene, pubchem12915, pyridin-4yl-methylamine, pyridin-4-yl-methylamine PubChem CID: 123098 IUPAC Name: N-methylpyridin-4-amine SMILES: CNC1=CC=NC=C1 4-METHYLAMINOPYRIDINE 5G

Alfa Aesar™ 4-(Boc-amino)piperidine, 96%

CAS.: 73874-95-0 Summenformel: C10H20N2O2 Molecular Weight (g/mol): 200.282 MDL-Nummer: MFCD00798171 InChI Key: CKXZPVPIDOJLLM-UHFFFAOYSA-N Synonym: 4-boc-aminopiperidine, tert-butyl piperidin-4-ylcarbamate, 4-n-boc-aminopiperidine, 4-boc-amino piperidine, 4-n-boc-amino piperidine, tert-butyl n-piperidin-4-yl carbamate, 4-tert-butoxycarbonylamino piperidine, 4-n-boc-amino-piperidine, 4-boc-amino-piperidine, 4-n-boc amino piperidine PubChem CID: 723833 IUPAC Name: tert-butyl N-piperidin-4-ylcarbamate SMILES: CC(C)(C)OC(=O)NC1CCNCC1 4-(BOC-AMINO)PIPERIDINE, 96% 25G

Ethyl picolinoylacetate, 95%, ACROS Organics™

CAS.: 26510-52-1 Summenformel: C10H11NO3 Molecular Weight (g/mol): 193.202 MDL-Nummer: MFCD00094022 InChI Key: FQHXWZMJALFSJJ-UHFFFAOYSA-N Synonym: ethyl 3-oxo-3-pyridin-2-yl propanoate, ethyl picolinoylacetate, ethyl 3-oxo-3-2-pyridyl propionate, ethyl 3-oxo-3-2-pyridinyl propanoate, ethyl 3-oxo-3-2-pyridyl propanoate, pubchem11088, ethyl-2-pyridoyl acetate, d05hbz, ethyl 3-pyridinyl-3-oxopropionate, 2-3-ethoxy-3-oxopropanoyl pyridine PubChem CID: 2736461 IUPAC Name: ethyl 3-oxo-3-pyridin-2-ylpropanoate SMILES: CCOC(=O)CC(=O)C1=CC=CC=N1 10GR Picolinoylessigsäureethylester, 95%

Ethyl 5-fluorobenzo[b]thiophene-2-carboxylate, 96%, Alfa Aesar™

CAS.: 13771-69-2 Summenformel: C11H9FO2S Molecular Weight (g/mol): 224.249 MDL-Nummer: MFCD12923024 InChI Key: PQGYDIBMOHLOAA-UHFFFAOYSA-N Synonym: ethyl 5-fluorobenzo b thiophene-2-carboxylate, benzo b thiophene-2-carboxylic acid, 5-fluoro-, ethyl ester PubChem CID: 23261724 IUPAC Name: ethyl 5-fluoro-1-benzothiophene-2-carboxylate SMILES: CCOC(=O)C1=CC2=C(S1)C=CC(=C2)F 250MG Ethyl 5-fluorobenzo¢b!thiophene-2-carboxylate, 96% 250mg

Alfa Aesar™ 5-(4-Bromophenyl)furan-2-carbonitrile, 97%

CAS.: 57667-10-4 Summenformel: C11H6BrNO Molecular Weight (g/mol): 248.079 MDL-Nummer: MFCD02256039 InChI Key: GJJXDBAOTCRRSG-UHFFFAOYSA-N Synonym: 5-4-bromophenyl furan-2-carbonitrile, 5-4-bromo-phenyl-furan-2-carbonitrile, acmc-20am93, 5-4-bromophenyl-2-cyanofuran, 5-4-bromophenyl-2-furonitrile PubChem CID: 4625493 IUPAC Name: 5-(4-bromophenyl)furan-2-carbonitrile SMILES: C1=CC(=CC=C1C2=CC=C(O2)C#N)Br 5-(4-BROMOPHENYL)FURAN-2-CARBONITRILE1G

Alfa Aesar™ 4-(2-Thienyl)butyric acid, 98%

CAS.: 4654-08-4 Summenformel: C11H14O3 Molecular Weight (g/mol): 194.23 MDL-Nummer: MFCD00005463 InChI Key: YSSJQFONKASLKM-UHFFFAOYSA-N Synonym: 5-4-hydroxyphenyl pentanoic acid, 5-4-hydroxyphenyl valeric acid, pubchem16852, acmc-20am8d, 5-4-hydroxyphenyl pentanoicacid, benzenepentanoic acid, 4-hydroxy, 5-4-hydroxyphenyl pentanoic acid PubChem CID: 7016423 IUPAC Name: 5-(4-hydroxyphenyl)pentanoic acid SMILES: C1=CC(=CC=C1CCCCC(=O)O)O 4-(2-THIENYL)BUTYRIC ACID,98+%,1G

  spinner