Heterocyclic Building Blocks

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

CAS: 872-50-4 Molecular Formula: C5H9NO Molecular Weight (g/mol): 99.133 MDL Number: 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 1LT 1-Methyl-2-pyrrolidinone, 99%, extra pure

1-Methyl-2-pyrrolidinone, ACS reagent, ACROS Organics™

CAS: 872-50-4 Molecular Formula: C5H9NO Molecular Weight (g/mol): 99.133 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 10LT 1-Methyl-2-pyrrolidinone, ACS reagent

Indoxyl acetate, 97%, ACROS Organics™

CAS: 608-08-2 Molecular Formula: C10H9NO2 Molecular Weight (g/mol): 175.19 MDL Number: MFCD00014561 InChI Key: JBOPQACSHPPKEP-UHFFFAOYSA-N Synonym: 3-acetoxyindole, indoxyl acetate, 3-indoxyl acetate, indoxyl-o-acetate, 3-indolyl acetate, indole, 3-acetato, indoxylacetate, 1h-indol-3-ol, 3-acetate, 1h-indol-3-ol, acetate ester, acetic acid, 3-indolyl ester PubChem CID: 11841 IUPAC Name: 1H-indol-3-yl acetate SMILES: CC(=O)OC1=CNC2=CC=CC=C21 5GR Indoxyl acetate, 97%

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

2,2,5,5-Tetramethyl-3-pyrrolin-1-oxyl-3-carboxylic acid, 99%, Acros Organics

CAS: 2154-67-8 Molecular Formula: C9H14NO3 Molecular Weight (g/mol): 184.22 MDL Number: MFCD00041847 Synonym: 3-Carboxy-2,2,5,5-tetramethyl-3-pyrrolin-1-yloxy 5GR 2,2,5,5-Tetramethyl-3-pyrrolin-1-oxyl-3-carboxylic acid, 99%

Methylene Blue, pure, certified, ACROS Organics™

CAS: 7220-79-3 Molecular Formula: C16H24ClN3O3S Molecular Weight (g/mol): 373.90 MDL Number: MFCD00012111 InChI Key: XQAXGZLFSSPBMK-UHFFFAOYSA-M Synonym: Basic Blue 9 PubChem CID: 6099 ChEBI: CHEBI:6872 IUPAC Name: [7-(dimethylamino)phenothiazin-3-ylidene]-dimethylazanium;chloride SMILES: CN(C)C1=CC2=C(C=C1)N=C3C=CC(=[N+](C)C)C=C3S2.[Cl-] 500GR Methylene Blue, pure, certified, residual water

Alfa Aesar™ 6-[N-(2-chloro-4-pyrimidinyl)methylamino]-2,3-dimethyl-2H-indazole, 96%

500MG 6-¢N-(2-chloro-4-pyrimidinyl)methylamino!-2,3-dimethyl-2H-indazole, 96% 500mg

Pyridine, 99+%, ACS reagent, 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 2.5LT Pyridine, 99+%, ACS reagent

Papaverine hydrochloride, 99%, ACROS Organics™

CAS: 61-25-6 Molecular Formula: C20H21NO4·ClH Molecular Weight (g/mol): 375.85 MDL Number: MFCD00012745 InChI Key: UOTMYNBWXDUBNX-UHFFFAOYSA-N Synonym: papaverine hydrochloride, cardiospan, cardoverina, dispamil, drapavel, forpavin, papalease, papaversan, pavatest, paverolan PubChem CID: 6084 IUPAC Name: 1-[(3,4-dimethoxyphenyl)methyl]-6,7-dimethoxyisoquinoline;hydrochloride SMILES: COC1=C(C=C(C=C1)CC2=NC=CC3=CC(=C(C=C32)OC)OC)OC.Cl 25GR Papaverine hydrochloride, 99%

O-(Tetrahydropyran-2-yl)hydroxylamine, 96%, ACROS Organics™

1GR O-(Tetrahydropyran-2-yl)hydroxylamine, 96%

(1S,2S)-2,5-Diazabicyclo[2.2.1]heptane dihydrobromide, 98%, Alfa Aesar™

CAS: 132747-20-7 Molecular Formula: C5H12Br2N2 Molecular Weight (g/mol): 259.973 MDL Number: MFCD08272741 InChI Key: ISYQWKOXKGJREA-RSLHMRQOSA-N Synonym: 1s,4s-2,5-diazabicyclo 2.2.1 heptane dihydrobromide, 1s,4s-+-2,5-diazabicyclo 2.2.1 heptane dihydrobromide, 1s,4s-2,5-diazabicylo 2.2.1 heptane dihydrobromide, 2,5-diazabicyclo 2.2.1 heptane,hydrobromide 1:2, 1s,4s-2,5-diazabicyclo 2.2.1 heptane dihydrobrom, 1s,4s-2,5-diaza-bicyclo 2.2.1 heptane dihydrobromide, 1s,2s-2,5-diazabicyclo 2.2.1 heptane dihydrobromide PubChem CID: 14612497 IUPAC Name: (1S,4S)-2,5-diazabicyclo[2.2.1]heptane;dihydrobromide SMILES: C1C2CNC1CN2.Br.Br (1S,2S)-2,5-DIAZABICYCLO(2.2.1)HEPTANE DIHYDRO,250

Alfa Aesar™ O-(7-Aza-1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate, 99%

CAS: 148893-10-1 Molecular Formula: C10H15F6N6OP Molecular Weight (g/mol): 380.235 MDL Number: MFCD00274639 InChI Key: JNWBBCNCSMBKNE-UHFFFAOYSA-N Synonym: hatu, 2-7-aza-1h-benzotriazole-1-yl-1,1,3,3-tetramethyluronium hexafluorophosphate, o-7-azabenzotriazol-1-yl-n,n,n',n'-tetramethyluronium hexafluorophosphate, o-7-azabenzotriazol-1-yl-n,n,n,n-tetramethyl uronium hexafluorophosphate, 2-3h-1,2,3 triazolo 4,5-b pyridin-3-yl-1,1,3,3-tetramethyluronium hexafluorophosphate v, dimethylamino triazolo 4,5-b pyridin-3-yloxy methylene-dimethyl-ammonium hexafluorophosphate, 2-7-aza-1h-benzotriazole-1-yl-1,1,3,3-tetramethyl uronium hexafluorophosphate, 2-3h-1,2,3 triazolo 4,5-b pyridin-3-yl-1,1,3,3-tetramethylisouronium hexafluorophosphate v, n-dimethylamino 3h-1,2,3 triazolo 4,5-b pyridin-3-yloxy methylene-n-methylmethanaminium hexafluorophosphate, n-dimethylamino-1h-1,2,3-triazolo-4,5-b pyridin-1-ylmethylene-n-methylmethanaminium hexafluorophosphate n-oxide PubChem CID: 9886157 IUPAC Name: [dimethylamino(triazolo[4,5-b]pyridin-3-yloxy)methylidene]-dimethylazanium;hexafluorophosphate SMILES: CN(C)C(=[N+](C)C)ON1C2=C(C=CC=N2)N=N1.F[P-](F)(F)(F)(F)F O-(7-AZABENZOTRIAZOL-1-YL)N,N,N',N'-TETRAMETHYLU-1

Alfa Aesar™ Uric acid, 99%

CAS: 69-93-2 Molecular Formula: C5H4N4O3 Molecular Weight (g/mol): 168.112 MDL Number: MFCD00005712 InChI Key: LEHOTFFKMJEONL-UHFFFAOYSA-N Synonym: uric acid, urate, 2,6,8-trioxypurine, lithic acid, 2,6,8-trihydroxypurine, 2,6,8-trioxopurine, 1h-purine-2,6,8-triol, 8-hydroxyxanthine, 7,9-dihydro-1h-purine-2,6,8 3h-trione, 1h-purine-2,6,8 3h-trione, 7,9-dihydro PubChem CID: 1175 ChEBI: CHEBI:17775 IUPAC Name: 7,9-dihydro-3H-purine-2,6,8-trione SMILES: C12=C(NC(=O)N1)NC(=O)NC2=O URIC ACID, 99% 100G

Alfa Aesar™ Pyridoxine hydrochloride, 99%

CAS: 58-56-0 Molecular Formula: C8H12ClNO3 Molecular Weight (g/mol): 205.638 MDL Number: MFCD00012807 InChI Key: ZUFQODAHGAHPFQ-UHFFFAOYSA-N Synonym: pyridoxine hydrochloride, pyridoxine hcl, pyridoxol hydrochloride, vitamin b6, alestrol, becilan, benadon, hexavibex, hexermin, hexobion PubChem CID: 6019 ChEBI: CHEBI:30961 IUPAC Name: 4,5-bis(hydroxymethyl)-2-methylpyridin-3-ol;hydrochloride SMILES: CC1=NC=C(C(=C1O)CO)CO.Cl PYRIDOXINE HYDROCHLORIDE, 98%,25G

4',6'-Diamidino-2-phenylindole dihydrochloride, 98%, ACROS Organics™

CAS: 28718-90-3 Molecular Formula: C16H15N5·2HCl Molecular Weight (g/mol): 350.25 InChI Key: FPNZBYLXNYPRLR-UHFFFAOYSA-N Synonym: 4',6-diamidino-2-phenylindole dihydrochloride, dapi dihydrochloride, dapi, dihydrochloride, 2-4-carbamimidoylphenyl-1h-indole-6-carboximidamide dihydrochloride, dapi hydrochloride, 2-phenylindole-4',6-dicarboxamidine dihydrohydrochloride hydrate, 2-4-amidinophenyl-6-indolecarbamidine dihydrochloride, 4′,6-diamidino-2-phenylindole, 2hcl, ccris 8836 PubChem CID: 160166 IUPAC Name: 2-(4-carbamimidoylphenyl)-1H-indole-6-carboximidamide;dihydrochloride SMILES: C1=CC(=CC=C1C2=CC3=C(N2)C=C(C=C3)C(=N)N)C(=N)N.Cl.Cl 10MG 4',6'-Diamidino-2-phenylindole dihydrochloride, 98%

Alfa Aesar™ 3,3-Difluoroazetidine hydrochloride, 95%

CAS: 288315-03-7 Molecular Formula: C3H6ClF2N Molecular Weight (g/mol): 129.535 MDL Number: MFCD05663714 InChI Key: CDBAEFXTCRKJPZ-UHFFFAOYSA-N Synonym: 3,3-difluoroazetidine hydrochloride, 3,3-difluoroazetidine hcl, azetidine, 3,3-difluoro-, hydrochloride, azetidine, 3,3-difluoro-, hydrochloride 1:1, 3,3-difluoroazetidine hydrochloride 1:1, 3,3-difluoroazetidinehydrochloride, acmc-1clfn, 3,3-difluoroazetidine-hcl, difluoroazetidine hydrochloride, 3,3-difluoroazetidin hydrochloride PubChem CID: 2758247 IUPAC Name: 3,3-difluoroazetidine;hydrochloride SMILES: C1C(CN1)(F)F.Cl 3,3-DIFLUOROAZETIDINE HYDROCHLORIDE, 95%1G

Alfa Aesar™ 3-Amino-2-bromo-5-fluoropyridine, 97%

CAS: 884495-03-8 Molecular Formula: C5H4BrFN2 Molecular Weight (g/mol): 191.003 MDL Number: MFCD05662413 InChI Key: QUZAKZBKMMUARE-UHFFFAOYSA-N Synonym: 3-amino-2-bromo-5-fluoropyridine, 2-bromo-5-fluoro-3-pyridylamine, 2-bromo-3-amino-5-fluoropyridine, 2-bromo-5-fluoro-3-aminopyridine, 3-pyridinamine, 2-bromo-5-fluoro, abbypharma ap-31-3805, 2-bromo-5-fluoro-3-pyridinamine, 2-bromo-5-fluoro-pyridin-3-ylamine, pubchem1145, acmc-209qtb PubChem CID: 40427367 IUPAC Name: 2-bromo-5-fluoropyridin-3-amine SMILES: C1=C(C(=NC=C1F)Br)N 1GR 3-Amino-2-bromo-5-fluoropyridine, 97% 1g

1,4-Dioxa-8-azaspiro[4.5]decane, 98%, ACROS Organics™

CAS: 177-11-7 Molecular Formula: C7H13NO2 Molecular Weight (g/mol): 143.19 MDL Number: MFCD00005976 InChI Key: KPKNTUUIEVXMOH-UHFFFAOYSA-N Synonym: 1,4-dioxa-8-azaspiro 4.5 decane, 4-piperidone ethylene ketal, 4-piperidinone ethyl ketal, 4-piperidone-ethylene ketal, 4-piperidone ethylene acetal, 1,4-dioxa-8-azaspiro 4,5 decane, 4-piperidoneethyleneketal, piperidone-4-ethyleneketal, 1,4-dioxa-8-aza-spiro 4.5 decane PubChem CID: 67435 IUPAC Name: 1,4-dioxa-8-azaspiro[4.5]decane SMILES: C1CNCCC12OCCO2 50GR 1,4-Dioxa-8-azaspiro¢4.5!decane, 98%

2-[4-(Dimethylamino)phenyl]benzimidazole, 95%, Alfa Aesar™

CAS: 2562-71-2 Molecular Formula: C15H15N3 Molecular Weight (g/mol): 237.306 MDL Number: MFCD00441571 InChI Key: ZKBBGUJBGLTNEK-UHFFFAOYSA-N Synonym: 2-p-n,n-dimethylaminophenyl-1h-benzoimidazole, 4-1h-benzimidazol-2-yl-n,n-dimethylaniline, 4-1h-benzoimidazol-2-yl-phenyl-dimethyl-amine, n-4-1h-benzimidazol-2-yl phenyl-n,n-dimethylamine, 4-benzimidazol-2-ylphenyl dimethylamine, 4-1h-1,3-benzodiazol-2-yl-n,n-dimethylaniline, cambridge id 5628722, 2-p-dimethylamino phenyl benzimidazole, 4-2-benzimidazolyl-n,n-dimethylaniline, 2-4-dimethylaminophenyl-1h-benzimidazole PubChem CID: 242786 IUPAC Name: 4-(1H-benzimidazol-2-yl)-N,N-dimethylaniline SMILES: CN(C)C1=CC=C(C=C1)C2=NC3=CC=CC=C3N2 1GR 2-¢4-(Dimethylamino)phenyl!benzimidazole, 95% 1g

1,4-Dioxane, 99.5%, for analysis, stabilized, ACROS Organics™

CAS: 123-91-1 Molecular Formula: C4H8O2 Molecular Weight (g/mol): 88.106 MDL Number: 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-Dioxane, 99.5%, for analysis, stabilized

Alfa Aesar™ 2-Hydrazinoquinoline, 97%

CAS: 15793-77-8 Molecular Formula: C9H9N3 Molecular Weight (g/mol): 159.192 MDL Number: MFCD00041860 InChI Key: QMVCLSHKMIGEFN-UHFFFAOYSA-N Synonym: 2-hydrazinoquinoline, 2-hydrazinylquinoline, 2-quinolylhydrazine, 2 1h-quinolinone, hydrazone, quinoline, 2-hydrazino, 2-hydrazinequinoline, quinoline, 2-hydrazinyl, quinoline,2-hydrazinyl, .alpha.-quinolylhydrazine, alpha-quinolylhydrazine PubChem CID: 85111 IUPAC Name: quinolin-2-ylhydrazine SMILES: C1=CC=C2C(=C1)C=CC(=N2)NN 2-HYDRAZINEQUINOLINE250MG

trans-Zeatin-riboside, 97%, ACROS Organics™

50MG trans-Zeatin-riboside, 97%

Alfa Aesar™ 1,2,3,4-Tetrahydroquinoline, 99%

CAS: 635-46-1 Molecular Formula: C9H11N Molecular Weight (g/mol): 133.194 MDL Number: MFCD00006693 InChI Key: LBUJPTNKIBCYBY-UHFFFAOYSA-N Synonym: tetrahydroquinoline, 1,2,3,4-tetrahydro-quinoline, kusol, quinoline, 1,2,3,4-tetrahydro, unii-ccr50n1z9g, 1,2,3,4-tetrahydrochinoline, 1,2,3,4-tetrahydro quinoline, benzopiperidine, ccr50n1z9g, 1,2,3,4,-tetrahydroquinoline PubChem CID: 69460 ChEBI: CHEBI:213323 IUPAC Name: 1,2,3,4-tetrahydroquinoline SMILES: C1CC2=CC=CC=C2NC1 1,2,3,4-TETRAHYDROQUINOLINE, 98%,100G

2,6-Pyridinedimethanol, 98%, ACROS Organics™

CAS: 1195-59-1 Molecular Formula: C7H9NO2 Molecular Weight (g/mol): 139.15 MDL Number: MFCD00006351 InChI Key: WWFMINHWJYHXHF-UHFFFAOYSA-N Synonym: 2,6-pyridinedimethanol, pyridine-2,6-diyldimethanol, 2,6-bis hydroxymethyl pyridine, 6-hydroxymethyl pyridin-2-yl methanol, pyridine-2,6-dimethanol, 2,6-dihydroxymethylpyridine, 2,6-bis-hydroxymethyl pyridine, 2,6-bis-hydroxymethyl-pyridine, 2,6-pyridinyl dimethanol, 6-hydroxymethyl-2-pyridyl methan-1-ol PubChem CID: 70957 IUPAC Name: [6-(hydroxymethyl)pyridin-2-yl]methanol SMILES: C1=CC(=NC(=C1)CO)CO 100GR 2,6-Pyridinedimethanol, 98%

Alfa Aesar™ 4-(1-Cyclopenten-1-yl)morpholine, 96%

CAS: 936-52-7 Molecular Formula: C9H15NO Molecular Weight (g/mol): 153.225 MDL Number: MFCD00006162 InChI Key: VAPOFMGACKUWCI-UHFFFAOYSA-N Synonym: 1-morpholinocyclopentene, n-1-cyclopenten-1-yl morpholine, 1-morpholino-1-cyclopentene, morpholine, 4-1-cyclopenten-1-yl, 4-1-cyclopenten-1-yl morpholine, 4-1-cyclopentenyl morpholine, 1-n-morpholino cyclopentene, n-1-cyclopenten-1-yl-morpholine, 4-cyclopent-1-en-1-yl morpholine PubChem CID: 70294 IUPAC Name: 4-(cyclopenten-1-yl)morpholine SMILES: C1CC=C(C1)N2CCOCC2 1-(4-MORPHOLINO)CYCLOPENTENE, 96%,25G

Alfa Aesar™ epsilon-Caprolactam, 99%

CAS: 105-60-2 Molecular Formula: C6H11NO Molecular Weight (g/mol): 113.16 MDL Number: MFCD00006936 InChI Key: JBKVHLHDHHXQEQ-UHFFFAOYSA-N Synonym: epsilon-caprolactam, caprolactam, 6-caprolactam, 2-oxohexamethylenimine, aminocaproic lactam, 2-azacycloheptanone, hexahydro-2h-azepin-2-one, 2h-azepin-2-one, hexahydro, 6-hexanelactam, hexanolactam PubChem CID: 7768 ChEBI: CHEBI:28579 IUPAC Name: azepan-2-one SMILES: C1CCC(=O)NCC1 EPSILON-CAPROLACTAM, 99% 2.5KG

6-Methoxypyridine-3-sulfonyl chloride, 97%, ACROS Organics™

CAS: 312300-42-8 Molecular Formula: C6H6ClNO3S Molecular Weight (g/mol): 207.64 MDL Number: MFCD06739108 InChI Key: OMLIVJOTRYWHNY-UHFFFAOYSA-N Synonym: 6-methoxy-pyridine-3-sulfonyl chloride, 3-chlorosulphonyl-6-methoxypyridine, 6-methoxypyridin-3-ylsulfonyl chloride, 2-methoxypyridine-5-sulfonylchloride, 6-methoxy-3-pyridinesulfonyl chloride, 3-pyridinesulfonylchloride, 6-methoxy, 6-methoxypyridine-3-sulphonyl chloride, 5-chlorosulfonyl-2-methoxypyridine, 6-methoxypyridine-3-yl sulfonyl chloride PubChem CID: 22344709 IUPAC Name: 6-methoxypyridine-3-sulfonyl chloride SMILES: COC1=NC=C(C=C1)S(=O)(=O)Cl 5GR 6-Methoxypyridine-3-sulfonyl chloride, 97%

Alfa Aesar™ Homomorpholine hydrochloride, 98%

CAS: 178312-62-4 Molecular Formula: C5H12ClNO Molecular Weight (g/mol): 137.607 MDL Number: MFCD02683070 InChI Key: LJRCWNIWOVZLKS-UHFFFAOYSA-N Synonym: 1,4-oxazepane hydrochloride, homomorpholine hydrochloride, 1,4-oxazepine, hexahydro-, hydrochloride, homomorpholine hcl, 1,4-oxazepan hydrochloride, 1,4 oxazepane hydrochloride, hexahydro-1,4-oxazepine hydrochloride, homomorpholine-hydrochloride, homo-morpholine hydrochloride, homomorph-oline hydrochloride PubChem CID: 23090214 IUPAC Name: 1,4-oxazepane;hydrochloride SMILES: C1CNCCOC1.Cl HOMOMORPHOLINE HYDROCHLORIDE, 98%,1G

2-Phenylbenzimidazole-5-sulfonic acid, 98%, ACROS Organics™

CAS: 27503-81-7 Molecular Formula: C13H10N2O3S Molecular Weight (g/mol): 274.28 MDL Number: MFCD00053007 InChI Key: UVCJGUGAGLDPAA-UHFFFAOYSA-N Synonym: ensulizole, 2-phenylbenzimidazole-5-sulfonic acid, phenylbenzimidazole sulfonic acid, 2-phenyl-1h-benzo d imidazole-5-sulfonic acid, 2-phenyl-1h-benzo d imidazole-6-sulfonic acid, 1h-benzimidazole-5-sulfonic acid, 2-phenyl, unii-9yq9di1w42, 2-phenyl-1h-benzimidazole-5-sulfonic acid, parsol hs, 2-phenyl-5-benzimidazolesulfonic acid PubChem CID: 33919 IUPAC Name: 2-phenyl-3H-benzimidazole-5-sulfonic acid SMILES: C1=CC=C(C=C1)C2=NC3=C(N2)C=C(C=C3)S(=O)(=O)O 25GR 2-Phenylbenzimidazole-5-sulfonic acid, 98%

Alfa Aesar™ 5-Bromothiophene-2-carboxaldehyde, 97%

CAS: 4701-17-1 Molecular Formula: C5H3BrOS Molecular Weight (g/mol): 191.042 MDL Number: MFCD00005432 InChI Key: GFBVUFQNHLUCPX-UHFFFAOYSA-N Synonym: 5-bromo-2-thiophenecarboxaldehyde, 5-bromothiophene-2-carboxaldehyde, 5-bromo-2-thiophenecarbaldehyde, 5-bromothenaldehyde, 5-bromo-2-formylthiophene, 5-bromo-thiophene-2-carbaldehyde, 2-bromo-5-formylthiophene, 2-thiophenecarboxaldehyde, 5-bromo, 2-bromo-5-thiophenecarboxaldehyde, 5-bromothiophene-2-aldehyde PubChem CID: 78428 IUPAC Name: 5-bromothiophene-2-carbaldehyde SMILES: C1=C(SC(=C1)Br)C=O 5-BROMOTHIOPHENE-2-CARBOXALDEHYDE, 97%,5G

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