Heterocyclic Building Blocks

Phosphorus(V) oxychloride, 99%, Alfa Aesar™

CAS: 10025-87-3 Molecular Formula: Cl3OP Molecular Weight (g/mol): 153.323 MDL Number: MFCD00011443 InChI Key: XHXFXVLFKHQFAL-UHFFFAOYSA-N Synonym: phosphorus oxychloride, phosphoryl chloride, phosphoric trichloride, phosphoryl trichloride, phosphoroxychloride, trichlorophosphine oxide, phosphorus oxytrichloride, fosforoxychlorid, phosphorous oxychloride, phosphorylchlorid PubChem CID: 24813 ChEBI: CHEBI:30336 SMILES: O=P(Cl)(Cl)Cl 250GR Phosphorus(V) oxychloride, 99% 250g

N-Vinyl-2-pyrrolidinone, Stabilized 98%, ACROS Organics™

CAS: 88-12-0 Molecular Formula: C6H9NO Molecular Weight (g/mol): 111.144 MDL Number: MFCD00003197 InChI Key: WHNWPMSKXPGLAX-UHFFFAOYSA-N Synonym: n-vinyl-2-pyrrolidone, n-vinylpyrrolidone, 1-vinyl-2-pyrrolidone, 1-vinylpyrrolidin-2-one, n-vinyl-2-pyrrolidinone, vinylpyrrolidone, 2-pyrrolidinone, 1-ethenyl, 1-vinyl-2-pyrrolidinone, n-vinylpyrrolidinone, 1-vinylpyrrolidone PubChem CID: 6917 ChEBI: CHEBI:82551 IUPAC Name: 1-ethenylpyrrolidin-2-one SMILES: C=CN1CCCC1=O 10LT N-Vinyl-2-pyrrolidone, 99%, stabilized with NaOH

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

CAS: 110-86-1 Molecular Formula: C5H5N Molecular Weight (g/mol): 79.102 MDL Number: 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 1LT Pyridine, 99.5%, Extra Dry, AcroSeal

Nicotinic Acid 99.5%, ACROS Organics™

CAS: 59-67-6 Molecular Formula: C6H5NO2 Molecular Weight (g/mol): 123.111 MDL Number: MFCD00006391 InChI Key: PVNIIMVLHYAWGP-UHFFFAOYSA-N Synonym: nicotinic acid, niacin, 3-pyridinecarboxylic acid, 3-carboxypyridine, wampocap, acidum nicotinicum, apelagrin, pellagrin, akotin, daskil PubChem CID: 938 ChEBI: CHEBI:15940 IUPAC Name: pyridine-3-carboxylic acid SMILES: C1=CC(=CN=C1)C(=O)O 100GR Nicotinic acid, 99.5%

Alfa Aesar™ 2-Pyrrolidinone, 99%

CAS: 616-45-5 Molecular Formula: C4H7NO Molecular Weight (g/mol): 85.106 MDL Number: MFCD00005270 InChI Key: HNJBEVLQSNELDL-UHFFFAOYSA-N Synonym: 2-pyrrolidinone, pyrrolidone, butyrolactam, 2-pyrrolidone, 2-oxopyrrolidine, pyrrolidon, 2-ketopyrrolidine, 2-pyrol, pyrrolidinone, gamma-butyrolactam PubChem CID: 12025 ChEBI: CHEBI:36592 IUPAC Name: pyrrolidin-2-one SMILES: C1CC(=O)NC1 2-PYRROLIDINONE, 99%2KG

Riboflavin, 98%, ACROS Organics™

CAS: 83-88-5 Molecular Formula: C17H20N4O6 Molecular Weight (g/mol): 382.325 MDL Number: MFCD00005022 InChI Key: AUNGANRZJHBGPY-HAIGJTSVSA-N Synonym: riboflavin, vitamin b2, lactoflavin, riboflavine, vitamin g, lactoflavine, --riboflavin, beflavin, beflavine, flavaxin PubChem CID: 71310809 IUPAC Name: 7,8-dimethyl-10-[(2S,3S,4R)-2,3,4,5-tetrahydroxypentyl]benzo[g]pteridine-2,4-dione SMILES: CC1=CC2=C(C=C1C)N(C3=NC(=O)NC(=O)C3=N2)CC(C(C(CO)O)O)O 25GR Riboflavin, 98%

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

CAS: 110-86-1 Molecular Formula: C5H5N Molecular Weight (g/mol): 79.102 MDL Number: 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 1LT Pyridine, 99.5%, Extra Dry over Molecular Sieve, AcroSeal

Urocanic acid, 98%, ACROS Organics™

CAS: 104-98-3 Molecular Formula: C6H6N2O2 Molecular Weight (g/mol): 138.126 MDL Number: MFCD00005203 InChI Key: LOIYMIARKYCTBW-UPHRSURJSA-N Synonym: urocanic acid, 4-imidazoleacrylic acid, trans-urocanic acid, urocaninic acid, imidazoleacrylic acid, 5-imidazoleacrylic acid, urocanate, imidazole-4-acrylic acid, 2e-3-1h-imidazol-4-yl acrylic acid, 3-1h-imidazol-4-yl-2-propenoic acid PubChem CID: 1549103 ChEBI: CHEBI:30818 IUPAC Name: (Z)-3-(1H-imidazol-5-yl)prop-2-enoic acid SMILES: C1=C(NC=N1)C=CC(=O)O 5GR Urocanic acid, 98%

Indigo Carmine, ACROS Organics™

CAS: 860-22-0 Molecular Formula: C16H8N2Na2O8S2 Molecular Weight (g/mol): 466.346 MDL Number: MFCD00005723 InChI Key: KHLVKKOJDHCJMG-QDBORUFSSA-L Synonym: Acid Blue 74, C.I. 73015, 5, 5'-Indigodisulfonic acid, disodium salt PubChem CID: 5284351 IUPAC Name: disodium;(2E)-3-oxo-2-(3-oxo-5-sulfonato-1H-indol-2-ylidene)-1H-indole-5-sulfonate SMILES: C1=CC2=C(C=C1S(=O)(=O)[O-])C(=O)C(=C3C(=O)C4=C(N3)C=CC(=C4)S(=O)(=O)[O-])N2.[Na+].[Na+] 100GR Indigo Carmine, pure, certified

Imidazole, 99%, ACROS Organics™

CAS: 288-32-4 Molecular Formula: C3H4N2 Molecular Weight (g/mol): 68.079 InChI Key: RAXXELZNTBOGNW-UHFFFAOYSA-N Synonym: imidazole, glyoxaline, imidazol, iminazole, miazole, 1,3-diazole, glyoxalin, imutex, 1,3-diaza-2,4-cyclopentadiene, pyrro b monazole PubChem CID: 795 ChEBI: CHEBI:16069 IUPAC Name: 1H-imidazole SMILES: C1=CN=CN1 2KG Imidazole, 99%

2-Bromomethyl-1,3-dioxolane, 97%, ACROS Organics™

CAS: 4360-63-8 Molecular Formula: C4H7BrO2 Molecular Weight (g/mol): 167.002 MDL Number: MFCD00003214 InChI Key: CKIIJIDEWWXQEA-UHFFFAOYSA-N Synonym: 2-bromomethyl-1,3-dioxolane, bromoacetaldehyde ethylene acetal, 1,3-dioxolane, 2-bromomethyl, 1,3-dioxolan-2-yl methyl bromide, bromomethyl dioxolane, acmc-1afrf, 2-bromomethyl-1,3-dioxolan, ksc495q7b, 2-bromomethyl-1,3 dioxolane, 2-bromomethyl-1, 3-dioxolane PubChem CID: 78068 IUPAC Name: 2-(bromomethyl)-1,3-dioxolane SMILES: C1COC(O1)CBr 100ML 2-Bromomethyl-1,3-dioxolane, 97%

1,8-Diazabicyclo[5.4.0]undec-7-ene, 99%, Alfa Aesar™

CAS: 6674-22-2 Molecular Formula: C9H16N2 Molecular Weight (g/mol): 152.241 MDL Number: MFCD00006930 InChI Key: GQHTUMJGOHRCHB-UHFFFAOYSA-N Synonym: 1,8-diazabicyclo 5.4.0 undec-7-ene, 2,3,4,6,7,8,9,10-octahydropyrimido 1,2-a azepine, 1,8-diazabicyclo 5.4.0 undec-7-ene, polycat dbu, dbu, unii-h1ilj6ibux, pyrimido 1,2-a azepine, 2,3,4,6,7,8,9,10-octahydro, 1,8-diazabicyclo 5.4.0-7-undecene, h1ilj6ibux, 1,8-diazabicyclo 5,4,0 undec-7-ene PubChem CID: 81184 IUPAC Name: 2,3,4,6,7,8,9,10-octahydropyrimido[1,2-a]azepine SMILES: C1CCC2=NCCCN2CC1 1,8-DIAZABICYCLO(5.4.0)UNDEC-7-ENE, 97%,25G

4-Dimethylaminopyridine, 99%, ACROS Organics™

CAS: 1122-58-3 Molecular Formula: C7H10N2 Molecular Weight (g/mol): 122.171 MDL Number: MFCD00006418 InChI Key: VHYFNPMBLIVWCW-UHFFFAOYSA-N Synonym: 4-dimethylaminopyridine, dmap, 4-dimethylamino pyridine, 4-pyridinamine, n,n-dimethyl, n,n-dimethyl-4-pyridinamine, p-dimethylaminopyridine, pyridine, 4-dimethylamino, 4-dimethylamino pyridine, ccris 6176, dimethylpyridin-4-ylamine PubChem CID: 14284 IUPAC Name: N,N-dimethylpyridin-4-amine SMILES: CN(C)C1=CC=NC=C1 500GR 4-Dimethylaminopyridine, 99%

Isoquinoline, 97%, ACROS Organics™

CAS: 119-65-3 Molecular Formula: C9H7N Molecular Weight (g/mol): 129.162 MDL Number: MFCD00006898 InChI Key: AWJUIBRHMBBTKR-UHFFFAOYSA-N Synonym: 2-azanaphthalene, 2-benzazine, isochinolin, benzo c pyridine, beta-quinoline, benzo c pyridine, 2-benzanine, 3,4-benzopyridine, .beta.-quinoline, isochinolin czech PubChem CID: 8405 ChEBI: CHEBI:16092 IUPAC Name: isoquinoline SMILES: C1=CC=C2C=NC=CC2=C1 500GR Isoquinoline, 97%

5-Nitroindole 99%, ACROS Organics™

CAS: 6146-52-7 Molecular Formula: C8H6N2O2 Molecular Weight (g/mol): 162.148 MDL Number: MFCD00005673 InChI Key: OZFPSOBLQZPIAV-UHFFFAOYSA-N Synonym: 5-nitroindole, 1h-indole, 5-nitro, indole, 5-nitro, indole, 5-nitro, unii-o2bhx6edbn, 5-nitro indole, ccris 3255, o2bhx6edbn, pubchem1711, acmc-209msr PubChem CID: 22523 IUPAC Name: 5-nitro-1H-indole SMILES: C1=CC2=C(C=CN2)C=C1[N+](=O)[O-] 25GR 5-Nitroindole, 99%

N-Methylmorpholine, 99%, ACROS Organics™

CAS: 109-02-4 Molecular Formula: C5H11NO Molecular Weight (g/mol): 101.149 MDL Number: 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 2.5KG N-Methylmorpholine, 99%

MES monohydrate, 99+%, for biochemistry, ACROS Organics™

CAS: 145224-94-8 Molecular Formula: C6H15NO5S Molecular Weight (g/mol): 213.248 MDL Number: MFCD00149409 InChI Key: MIIIXQJBDGSIKL-UHFFFAOYSA-N Synonym: 2-(N-Morpholino)ethanesulfonic acid monohydrate PubChem CID: 16218417 IUPAC Name: 2-morpholin-4-ylethanesulfonic acid;hydrate SMILES: C1COCCN1CCS(=O)(=O)O.O 500GR MES monohydrate, 99+%, for biochemistry

Pyridine, 99+%, extra pure, ACROS Organics™

CAS: 110-86-1 Molecular Formula: C5H5N Molecular Weight (g/mol): 79.102 MDL Number: 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 25LT Pyridine, 99+%, extra pure

2,6-Lutidine, 99%, ACROS Organics™

CAS: 108-48-5 Molecular Formula: C7H9N Molecular Weight (g/mol): 107.156 MDL Number: MFCD00006345 InChI Key: OISVCGZHLKNMSJ-UHFFFAOYSA-N Synonym: 2,6-lutidine, lutidine, pyridine, 2,6-dimethyl, 2,6-dimethypyridine, alpha,alpha'-lutidine, alpha,alpha'-dimethylpyridine, 2,6-dimethyl-pyridine, hsdb 79, unii-15fq5d0t3p, 2,6-lutidene PubChem CID: 7937 ChEBI: CHEBI:32548 IUPAC Name: 2,6-dimethylpyridine SMILES: CC1=NC(=CC=C1)C 2.5LT 2,6-Lutidine, 99%

Rhodamine 123, +99%, ACROS Organics™

CAS: 62669-70-9 Molecular Formula: C21H19ClN2O4 Molecular Weight (g/mol): 398.843 MDL Number: MFCD00012664 InChI Key: SEXIURXGNASJRB-UHFFFAOYSA-N PubChem CID: 16211830 IUPAC Name: methyl 2-(3-amino-6-iminoxanthen-9-yl)benzoate;hydrate;hydrochloride SMILES: COC(=O)C1=CC=CC=C1C2=C3C=CC(=N)C=C3OC4=C2C=CC(=C4)N.O.Cl 500MG Rhodamine 123, 99+%, pure

1,10-Phenanthroline, 99+%, ACROS Organics™

CAS: 66-71-7 Molecular Formula: C12H8N2 Molecular Weight (g/mol): 180.21 MDL Number: MFCD00011678 InChI Key: DGEZNRSVGBDHLK-UHFFFAOYSA-N Synonym: o-phenanthroline, 4,5-diazaphenanthrene, orthophenanthroline, phenanthroline, 1,10-o-phenanthroline, phen, 2-phenanthroline, beta-phenanthroline, anhydrous, .beta.-phenanthroline PubChem CID: 1318 ChEBI: CHEBI:44975 IUPAC Name: 1,10-phenanthroline SMILES: C1=CC2=C(C3=C(C=CC=N3)C=C2)N=C1 500GR 1,10-Phenanthroline, 99+%

1-Methylimidazole, 99%, ACROS Organics™

CAS: 616-47-7 Molecular Formula: C4H6N2 Molecular Weight (g/mol): 82.106 MDL Number: MFCD00005292 InChI Key: MCTWTZJPVLRJOU-UHFFFAOYSA-N Synonym: 1-methyl-1h-imidazole, n-methylimidazole, 1h-imidazole, 1-methyl, imidazole, 1-methyl, n-methyl imidazole, 1-methyl-imidazole, unii-p4617qs63y, 1-methyl-1h-imidazol, n-methylimidazol, 1-methylimdazole PubChem CID: 1390 ChEBI: CHEBI:113454 IUPAC Name: 1-methylimidazole SMILES: CN1C=CN=C1 500GR 1-Methylimidazole, 99%

Azur eosin methylene-blue, pure, solution according to Giemsa, ACROS Organics™

500ML Azur eosin methylene-blue, pure, solution according to Giemsa

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

CAS: 58-08-2 Molecular Formula: C8H10N4O2 Molecular Weight (g/mol): 194.194 MDL Number: 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 2.5KG Caffeine, 98.5%, specified according to thereq. of USP/BP

Alfa Aesar™ 5,5-Dimethylhydantoin, 97%

CAS: 77-71-4 Molecular Formula: C5H8N2O2 Molecular Weight (g/mol): 128.131 MDL Number: MFCD00005266 InChI Key: YIROYDNZEPTFOL-UHFFFAOYSA-N Synonym: 5,5-dimethylhydantoin, dimethylhydantoin, dm hydantoin, dantoin dmh, 2,4-imidazolidinedione, 5,5-dimethyl, 5,5-dimethyl-2,4-imidazolidinedione, dantoin 736, hydantoin, 5,5-dimethyl, 5,5-dimethylhydantoin dmh, 5,5-dimethyl hydantoin PubChem CID: 6491 IUPAC Name: 5,5-dimethylimidazolidine-2,4-dione SMILES: CC1(C(=O)NC(=O)N1)C 5,5-DIMETHYLHYDANTOIN, 97%500G

5,5-Dimethylhydantoin, 97%, ACROS Organics™

CAS: 77-71-4 Molecular Formula: C5H8N2O2 Molecular Weight (g/mol): 128.131 MDL Number: MFCD00005266 InChI Key: YIROYDNZEPTFOL-UHFFFAOYSA-N Synonym: 5,5-dimethylhydantoin, dimethylhydantoin, dm hydantoin, dantoin dmh, 2,4-imidazolidinedione, 5,5-dimethyl, 5,5-dimethyl-2,4-imidazolidinedione, dantoin 736, hydantoin, 5,5-dimethyl, 5,5-dimethylhydantoin dmh, 5,5-dimethyl hydantoin PubChem CID: 6491 IUPAC Name: 5,5-dimethylimidazolidine-2,4-dione SMILES: CC1(C(=O)NC(=O)N1)C 1KG 5,5-Dimethylhydantoin, 97%

Pyrrole, 99%, extra pure, ACROS Organics™

CAS: 109-97-7 Molecular Formula: C4H5N Molecular Weight (g/mol): 67.091 MDL Number: 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 500GR Pyrrole, 99%, extra pure

3,3'-Carbonylbis(7-diethylaminocoumarin), 99%, Acros Organics™

5GR 3,3'-Carbonylbis(7-diethylaminocoumarin), 99%

5-Methylfurfural 98+%, ACROS Organics™

CAS: 620-02-0 Molecular Formula: C6H6O2 Molecular Weight (g/mol): 110.112 MDL Number: MFCD00003232 InChI Key: OUDFNZMQXZILJD-UHFFFAOYSA-N Synonym: 5-methylfurfural, 5-methyl-2-furaldehyde, 5-methyl furfural, 5-methyl-2-furfural, 2-furancarboxaldehyde, 5-methyl, 5-methylfuran-2-al, 5-methyl-2-furancarboxaldehyde, 5-methylfurfuraldehyde, 2-furaldehyde, 5-methyl, 2-formyl-5-methylfuran PubChem CID: 12097 ChEBI: CHEBI:2091 IUPAC Name: 5-methylfuran-2-carbaldehyde SMILES: CC1=CC=C(O1)C=O 25GR 5-Methylfurfural, 98+%

Alfa Aesar™ 5-Methyl-2-furaldehyde, 98%

CAS: 620-02-0 Molecular Formula: C6H6O2 Molecular Weight (g/mol): 110.112 MDL Number: MFCD00003232 InChI Key: OUDFNZMQXZILJD-UHFFFAOYSA-N Synonym: 5-methylfurfural, 5-methyl-2-furaldehyde, 5-methyl furfural, 5-methyl-2-furfural, 2-furancarboxaldehyde, 5-methyl, 5-methylfuran-2-al, 5-methyl-2-furancarboxaldehyde, 5-methylfurfuraldehyde, 2-furaldehyde, 5-methyl, 2-formyl-5-methylfuran PubChem CID: 12097 ChEBI: CHEBI:2091 IUPAC Name: 5-methylfuran-2-carbaldehyde SMILES: CC1=CC=C(O1)C=O 5-METHYLFURFURAL, 98% 500G

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