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

5-Carboxyfluorescein, 95%, ACROS Organics™

CAS.: 76823-03-5 Summenformel: C21H12O7 Molecular Weight (g/mol): 376.32 MDL-Nummer: MFCD00036874 InChI Key: NJYVEMPWNAYQQN-UHFFFAOYSA-N Synonym: 5-carboxyfluorescein, 5-fam, 4-carboxyfluorescein, 4 5-carboxyfluorescein, 3',6'-dihydroxy-3-oxo-3h-spiro isobenzofuran-1,9'-xanthene-5-carboxylic acid, 3',6'-dihydroxy-3-oxo-3h-spiro 2-benzofuran-1,9'-xanthene-5-carboxylic acid, 3',6'-dihydroxy-3-oxospiro 2-benzofuran-1,9'-xanthene-5-carboxylic acid, spiro isobenzofuran-1 3h ,9'-9h xanthene-5-carboxylic acid, 3',6-dihydroxy-3-oxo, bidd:gt0758, 5-carboxy fluorescein; 5-fam PubChem CID: 123755 ChEBI: CHEBI:51617 IUPAC Name: 3',6'-dihydroxy-3-oxospiro[2-benzofuran-1,9'-xanthene]-5-carboxylic acid SMILES: C1=CC2=C(C=C1C(=O)O)C(=O)OC23C4=C(C=C(C=C4)O)OC5=C3C=CC(=C5)O 500MG 5-Carboxyfluorescein, 95%

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

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 100ML BORANE-TETRAHYDROFURAN COMPLEX, 1M SOLN

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

2-Cyanopyridine 99%, ACROS Organics™

CAS.: 100-70-9 Summenformel: C6H4N2 Molecular Weight (g/mol): 104.112 MDL-Nummer: MFCD00006218 InChI Key: FFNVQNRYTPFDDP-UHFFFAOYSA-N Synonym: 2-cyanopyridine, picolinonitrile, 2-pyridinecarbonitrile, pyridinecarbonitrile, 2-pyridyl nitrile, picolinic acid nitrile, cyanopyridine, unii-whr1dpg7ys, 2-pyridinecarboxylic acid, nitrile, 2-cyano pyridine PubChem CID: 7522 ChEBI: CHEBI:27837 IUPAC Name: pyridine-2-carbonitrile SMILES: C1=CC=NC(=C1)C#N 500GR 2-Cyanpyridin, 99%

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%

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%

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

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%

Nicotine ditartrate dihydrate, 98%, ACROS Organics™

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

2,5-Pyridinedicarboxylic Acid 98%, ACROS Organics™

CAS.: 100-26-5 Summenformel: C7H5NO4 Molecular Weight (g/mol): 167.12 MDL-Nummer: MFCD00006297 InChI Key: LVPMIMZXDYBCDF-UHFFFAOYSA-N Synonym: 2,5-pyridinedicarboxylic acid, isocinchomeronic acid, 2,5-pyridinedicarboxylicacid, unii-4k1kgr926x, pyridinedicarboxylic acid-2,5, chembl88972, pyridine 2,5-dicarboxylate, pubchem12991, 2,5-dicarboxy-pyridine, 6-carboxy-nicotinic acid PubChem CID: 7493 ChEBI: CHEBI:46865 IUPAC Name: pyridine-2,5-dicarboxylic acid SMILES: C1=CC(=NC=C1C(=O)O)C(=O)O 5GR Pyridin-2,5-dicarbonsäure, 98%

2-Acetylpyridine, 98%, ACROS Organics™

CAS.: 1122-62-9 Summenformel: C7H7NO Molecular Weight (g/mol): 121.139 InChI Key: AJKVQEKCUACUMD-UHFFFAOYSA-N Synonym: 2-acetylpyridine, 1-pyridin-2-yl ethanone, methyl 2-pyridyl ketone, 2-acetopyridine, 2-pyridyl methyl ketone, acetylpyridine, ethanone, 1-2-pyridinyl, ketone, methyl 2-pyridyl, 1-pyridin-2-yl ethan-1-one, 1-2-pyridinyl ethanone PubChem CID: 14286 IUPAC Name: 1-pyridin-2-ylethanone SMILES: CC(=O)C1=CC=CC=N1 500GR 2-Acetylpyridin, 98%

N-Methylmorpholine, 99%, ACROS Organics™

CAS.: 109-02-4 Summenformel: C5H11NO Molecular Weight (g/mol): 101.149 MDL-Nummer: MFCD00006175 InChI Key: SJRJJKPEHAURKC-UHFFFAOYSA-N Synonym: n-methylmorpholine, morpholine, 4-methyl, methylmorpholine, 1-methylmorpholine, morpholine, n-methyl, 4-methylmorfolin, 4-methylmorpholin, n-methyl morpholine, 4-methylmorfolin czech, n-methylmorpholin PubChem CID: 7972 IUPAC Name: 4-methylmorpholine SMILES: CN1CCOCC1 500GR N-Methylmorpholin, 99%

Tetrahydro-2H-pyran-2-ol, 90%, cyclized form of 5-Hydroxypentanal, ACROS Organics™

25GR Tetrahydro-2H-pyran-2-ol, 90%, cyclisierte Form von 5-Hydroxypentanal

FerroZine™ iron reagent, hydrate, 98+%, pure, ACROS Organics™

CAS.: 63451-29-6 Summenformel: C20H16N4NaO7S2 Molecular Weight (g/mol): 511.48 InChI Key: TXAJQBKMPKPCAD-UHFFFAOYSA-N Synonym: ferrozine mono-sodium salt hydrate, ferrozine™ iron reagent, c20h13n4o6s2.na.h2o, pdt disulfonate monosodium salt hydrate, 3-2-pyridyl-5,6-diphenyl-1,2,4-triazine-p,p inverted exclamation marka-disulfonic acid monosodium salt hydrate, 3-2-pyridyl-5,6-diphenyl-1,2,4-triazine-p,p'-disulfonic acid monosodium salt hydrate PubChem CID: 129893581 1GR 5,6-Diphenyl-3-(2-pyridyl)-1,2,4-triazin-(ar)-4',4''-disulfonsäure Hydrat, 98+%, pure

1,4-Diazabicyclo[2.2.2]octane 97%, ACROS Organics™

CAS.: 280-57-9 Summenformel: C6H12N2 Molecular Weight (g/mol): 112.176 MDL-Nummer: MFCD00006689 InChI Key: IMNIMPAHZVJRPE-UHFFFAOYSA-N Synonym: 1,4-diazabicyclo 2.2.2 octane, triethylenediamine, dabco, dabco 33lv, 1,4-ethylenepiperazine, dabco crystal, 1,4-diazabicyclo 2.2.2 octane, teda, texacat td 100, dabco s-25 PubChem CID: 9237 IUPAC Name: 1,4-diazabicyclo[2.2.2]octane SMILES: C1CN2CCN1CC2 25GR 1,4-Diazabicyclo¢2,2,2!octan, 97%

(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

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 2.5KG Pyrrol, 99%, extra pure

Alfa Aesar™ 2-Chloro-N-isobutylpyridine-4-carboxamide, 95%

CAS.: 131418-16-1 Summenformel: C10H13ClN2O Molecular Weight (g/mol): 212.677 MDL-Nummer: MFCD11128613 InChI Key: KQNNEIJNGSZQHZ-UHFFFAOYSA-N Synonym: 2-chloro-n-isobutylisonicotinamide, 2-chloro-n-isobutylpyridine-4-carboxamide, 2-chloro-n-2-methylpropyl pyridine-4-carboxamide PubChem CID: 15115852 IUPAC Name: 2-chloro-N-(2-methylpropyl)pyridine-4-carboxamide SMILES: CC(C)CNC(=O)C1=CC(=NC=C1)Cl 1GR 2-Chloro-N-isobutylpyridine-4-carboxamide, 95% 1g

Alfa Aesar™ 5-Phenyl-2-furoyl chloride

CAS.: 57489-93-7 Summenformel: C11H7ClO2 Molecular Weight (g/mol): 206.625 MDL-Nummer: MFCD02258033 InChI Key: YUCYPPIIPWVJMM-UHFFFAOYSA-N Synonym: 5-phenyl-furan-2-carbonyl chloride, 5-phenyl-2-furoyl chloride, acmc-20am1i, 2-furancarbonyl chloride, 5-phenyl PubChem CID: 2772079 IUPAC Name: 5-phenylfuran-2-carbonyl chloride SMILES: C1=CC=C(C=C1)C2=CC=C(O2)C(=O)Cl 5-PHENYLFURAN-2-CARBONYL CHLORIDE5G

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™ 2-Methyl-2-imidazoline, 97+%

CAS.: 534-26-9 Summenformel: C4H8N2 Molecular Weight (g/mol): 84.122 MDL-Nummer: MFCD00051490 InChI Key: VWSLLSXLURJCDF-UHFFFAOYSA-N Synonym: 2-methyl-2-imidazoline, 2-methylimidazoline, 1h-imidazole, 4,5-dihydro-2-methyl, methylglyoxalidine, 2-imidazoline, 2-methyl, 4,5-dihydro-2-methyl-1h-imidazole, unii-987f50e3pe, 2-methyl imidazoline, 2-methyl-4,5-dihydroimidazole, 2-methyl-20imidazolin PubChem CID: 10798 IUPAC Name: 2-methyl-4,5-dihydro-1H-imidazole SMILES: CC1=NCCN1 2-METHYL-2-IMIDAZOLINE, 95%,100G

Alfa Aesar™ 3-Methylthiophene-2-carbonyl chloride, 98%

CAS.: 61341-26-2 Summenformel: C6H5ClOS Molecular Weight (g/mol): 160.615 MDL-Nummer: MFCD00130091 InChI Key: AJSVPEVDFBYRCH-UHFFFAOYSA-N Synonym: 3-methyl-2-thiophenecarbonyl chloride, 3-methylthiophene-2-carbonylchloride, 3-methyl-2-thenoyl chloride, 2-3-methyl thiophene carboxylicacid chloride, pubchem5561, acmc-209mrl, 3-methylthenoyl chloride, 3-methyl-2-thenoylchloride, 3-methyl-2-thienoyl chloride, 3-methylthiophenecarbonylchloride PubChem CID: 2737605 IUPAC Name: 3-methylthiophene-2-carbonyl chloride SMILES: CC1=C(SC=C1)C(=O)Cl 3-METHYLTHIOPHENE-2-CARBONYL CHLORIDE, 98%,2G

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%

Alfa Aesar™ 2-Hydroxypyridine-4-carboxylic acid, 98%

CAS.: 22282-72-0 Summenformel: C6H5NO3 Molecular Weight (g/mol): 139.11 MDL-Nummer: MFCD01318566 InChI Key: BXHCJLRTXPHUGH-UHFFFAOYSA-N Synonym: 2-hydroxyisonicotinic acid, 2-hydroxy-4-pyridinecarboxylic acid, 2-oxo-1,2-dihydropyridine-4-carboxylic acid, 2-hydroxypyridine-4-carboxylic acid, 2-hydroxy-isonicotinic acid, 2-hydroxyisonicotinicacid, 4-pyridinecarboxylic acid, 1,2-dihydro-2-oxo, pubchem16780, acmc-209yjf, 2-hydroxy isonicotinic acid PubChem CID: 280756 IUPAC Name: 2-oxo-1H-pyridine-4-carboxylic acid SMILES: C1=CNC(=O)C=C1C(=O)O 5GR 2-Hydroxypyridine-4-carboxylic acid, 98% 5g

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

CAS.: 35905-85-2 Summenformel: C6H4BrNO2 Molecular Weight (g/mol): 202.007 MDL-Nummer: 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-Brompyridin-3-carbonsäure, 97%

Alfa Aesar™ 1,2-Dimethylimidazole, 98%

CAS.: 1739-84-0 Summenformel: C5H8N2 Molecular Weight (g/mol): 96.133 MDL-Nummer: MFCD00005294 InChI Key: GIWQSPITLQVMSG-UHFFFAOYSA-N Synonym: 1,2-dimethyl-1h-imidazole, 1h-imidazole, 1,2-dimethyl, imidazole, 1,2-dimethyl, 1h-imidazole, dimethyl, unii-q41bc3grjb, q41bc3grjb, lupragen r dmi, 1,2-dimethylimdazole, 1,2 dimethylimidazole, n,2-dimethylimidazole PubChem CID: 15617 IUPAC Name: 1,2-dimethylimidazole SMILES: CC1=NC=CN1C 1,2-DIMETHYLIMIDAZOLE, 98%100G

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