Heterocyclic Building Blocks

Erythrosin B, pure, high purity, biological stain, ACROS Organics™

25GR Erythrosin B, pure, high purity, biological stain

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 2.5KG Pyrrole, 99%, extra pure

Alfa Aesar™ L-beta-Proline, 98+%

CAS: 72580-53-1 Molecular Formula: C5H9NO2 Molecular Weight (g/mol): 115.132 MDL Number: MFCD06738463 InChI Key: JAEIBKXSIXOLOL-BYPYZUCNSA-N Synonym: s-pyrrolidine-3-carboxylic acid, pubchem11126, s-+-pyrrolidine-3-carboxylic acid, l-beta-proline, 3s-3-pyrrolidinecarboxylic acid, 3s-pyrrolidine-3-carboxylic acid, 3-pyrrolidinecarboxylic acid, 3s, s-pyrrolidine-3-carboxylicacid, s-beta-proline, s-, a-proline PubChem CID: 1501969 IUPAC Name: (3S)-pyrrolidine-3-carboxylic acid SMILES: C1CNCC1C(=O)O 1GR L-¬b-Proline, 98+%

4-Vinylpyridine, Stabilized 95%, ACROS Organics™

CAS: 100-43-6 Molecular Formula: C7H7N Molecular Weight (g/mol): 105.14 MDL Number: MFCD00006447 InChI Key: KFDVPJUYSDEJTH-UHFFFAOYSA-N Synonym: 4-vinylpyridine, pyridine, 4-ethenyl, pyridine, 4-vinyl, gamma-vinylpyridine, unii-i56g67xm8d, ccris 5240, 4vp, 4-pyridylethylene, 4-vinyl-pyridine, 4-vinyl pyridine PubChem CID: 7502 IUPAC Name: 4-ethenylpyridine SMILES: C=CC1=CC=NC=C1 250ML 4-Vinylpyridine, 95%, stabilized

Alfa Aesar™ 3-Methyl-2-benzothiazolinone hydrazone hydrochloride hydrate, 97%

CAS: 149022-15-1 Molecular Formula: C8H10ClN3S Molecular Weight (g/mol): 215.699 MDL Number: MFCD00149370 InChI Key: OEZPVSPULCMUQB-DQMXGCRQSA-N Synonym: unii-9u2c4w7epr, mbth hydrochloride, 9u2c4w7epr, 3-methyl-2-benzothiazolone hydrazone hydrochloride, 3-methyl-2-benzothiazolinone hydrazone hydrochloride, z-2-hydrazono-3-methyl-2,3-dihydrobenzo d thiazole hydrochloride, mbth hcl, ccris 1543, 2 3h-benzothiazolone, 3-methyl-, hydrazone, hydrochloride 1:1, 2e-2-hydrazinylidene-3-methyl-1,3-benzothiazole hydrochloride PubChem CID: 9575839 IUPAC Name: (Z)-(3-methyl-1,3-benzothiazol-2-ylidene)hydrazine;hydrochloride SMILES: CN1C2=CC=CC=C2SC1=NN.Cl 3-METHYL-2-BENZOTHIAZOLINONE HYDRAZONE HCL,25G

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

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

CAS: 63451-29-6 Molecular Formula: 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 25GR FerroZine

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

25GR Tetrahydro-2H-pyran-2-ol, 90%, cyclized formof 5-Hydroxypentanal

Alfa Aesar™ 1,1-Di(2-pyridyl)methylamine, 97%

CAS: 58088-50-9 Molecular Formula: C11H11N3 Molecular Weight (g/mol): 185.23 MDL Number: MFCD20690549 InChI Key: WHQWJVROPJNMEX-UHFFFAOYSA-N Synonym: bis 2-pyridyl methylamine, bis pyridin-2-yl methanamine, di-2-pyridylmethanamine, di pyridin-2-yl methanamine, bis pyridin-2-yl methylamine, bis pyridin-2-yl methylamine, c,c-dipyridin-2-yl-methylamine, c,c-di-pyridin-2-yl-methylamine, 1,1-bis pyridin-2-yl methylamine, 1,1-bis pyridin-2-yl methanamine PubChem CID: 11106041 IUPAC Name: dipyridin-2-ylmethanamine SMILES: C1=CC=NC(=C1)C(C2=CC=CC=N2)N 1GR 1,1-Di(2-pyridyl)methylamine, 97% 1g

1,3,5-Triazine-2,4,6-trithiol trisodium salt, approx. 15% solution in water, ACROS Organics™

CAS: 17766-26-6 Molecular Formula: C3H3N3Na3S3 Molecular Weight (g/mol): 246.227 InChI Key: YQHCWFVOBRIHOM-UHFFFAOYSA-N Synonym: 1,3,5-triazine-2,4,6 1h,3h,5h-trithione, trisodium salt, 1,3,5-triazine-2,4,6-trithiol trisodium salt, trithiocyanuric acid trisodium PubChem CID: 66735895 IUPAC Name: sodium;1,3,5-triazinane-2,4,6-trithione SMILES: C1(=S)NC(=S)NC(=S)N1.[Na].[Na].[Na] 250ML 1,3,5-Triazine-2,4,6-trithiol trisodium salt, approx. 15% solution in water

Bacitracin, zinc salt, potency min. 60 Units/mg, ACROS Organics™

CAS: 1405-89-6 MDL Number: MFCD16661228 Synonym: Zinc bacitracin 1GR Bacitracin, zinc salt, potency min. 60 Units/mg

Alfa Aesar™ Flavone, 99%

CAS: 525-82-6 Molecular Formula: C15H10O2 Molecular Weight (g/mol): 222.243 MDL Number: MFCD00006825 InChI Key: VHBFFQKBGNRLFZ-UHFFFAOYSA-N Synonym: flavone, 2-phenylchromone, 2-phenyl-4h-chromen-4-one, 2-phenyl-4-chromone, 2-phenyl-4-benzopyron, 2-phenyl-4h-1-benzopyran-4-one, 4h-1-benzopyran-4-one, 2-phenyl, asmacoril, chromocor, cromaril PubChem CID: 10680 ChEBI: CHEBI:42491 IUPAC Name: 2-phenylchromen-4-one SMILES: C1=CC=C(C=C1)C2=CC(=O)C3=CC=CC=C3O2 FLAVONE, 99% 5G

Cycloheximide, 95%, ACROS Organics™

CAS: 66-81-9 Molecular Formula: C15H23NO4 Molecular Weight (g/mol): 281.352 MDL Number: MFCD00082346 InChI Key: YPHMISFOHDHNIV-FSZOTQKASA-N Synonym: cycloheximide, actidione, cicloheximide, naramycin a, kaken, actidion, actidone, hizarocin, naramycin, neocycloheximide PubChem CID: 6197 ChEBI: CHEBI:27641 IUPAC Name: 4-[(2R)-2-[(1S,3S,5S)-3,5-dimethyl-2-oxocyclohexyl]-2-hydroxyethyl]piperidine-2,6-dione SMILES: CC1CC(C(=O)C(C1)C(CC2CC(=O)NC(=O)C2)O)C 1GR Cycloheximide, 95%

PIPES, 98.5+%, for biochemistry, ACROS Organics™

CAS: 5625-37-6 Molecular Formula: C8H18N2O6S2 Molecular Weight (g/mol): 302.36 InChI Key: IHPYMWDTONKSCO-UHFFFAOYSA-N Synonym: 1, 4-Piperazinebis(ethanesulfonic acid) PubChem CID: 79723 ChEBI: CHEBI:44933 IUPAC Name: 2-[4-(2-sulfoethyl)piperazin-1-yl]ethanesulfonic acid SMILES: C1CN(CCN1CCS(=O)(=O)O)CCS(=O)(=O)O 100GR PIPES, 98.5+%, for biochemistry

Alfa Aesar™ (S)-(+)-2,3-O-Isopropylideneglycerol, 98%

CAS: 22323-82-6 Molecular Formula: C6H12O3 Molecular Weight (g/mol): 132.159 MDL Number: MFCD00063239 InChI Key: RNVYQYLELCKWAN-YFKPBYRVSA-N Synonym: s-+-2,2-dimethyl-1,3-dioxolane-4-methanol, s-glycerol acetonide, s-+-1,2-isopropylideneglycerol, 4s-2,2-dimethyl-1,3-dioxolan-4-yl methanol, s-2,2-dimethyl-1,3-dioxolane-4-methanol, s-solketal, 1,2-isopropylidene-sn-glycerol, s-+-2,3-o-isopropylideneglycerol, 1,3-dioxolane-4-methanol, 2,2-dimethyl-, 4s, s-2,2-dimethyl-1,3-dioxolan-4-yl methanol PubChem CID: 736057 IUPAC Name: [(4S)-2,2-dimethyl-1,3-dioxolan-4-yl]methanol SMILES: CC1(OCC(O1)CO)C S-(+)-2,3-O-ISOPROPYLIDENEGLYCEROL, 98%,2G

beta-Propiolactone, 97%, Alfa Aesar™

CAS: 57-57-8 Molecular Formula: C3H4O2 Molecular Weight (g/mol): 72.063 MDL Number: MFCD00005169 InChI Key: VEZXCJBBBCKRPI-UHFFFAOYSA-N Synonym: beta-propiolactone, propiolactone, 2-oxetanone, propanolide, betaprone, 3-propanolide, 1,3-propiolactone, 3-propiolactone, beta-propionolactone, beta-propiolakton PubChem CID: 2365 ChEBI: CHEBI:49073 IUPAC Name: oxetan-2-one SMILES: C1COC1=O BETA-PROPIOLACTONE, 97% 1G

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%

Alfa Aesar™ 1-Methylimidazole, 99%

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 1-METHYLIMIDAZOLE, 99%2KG

Alfa Aesar™ Octenidine dihydrochloride, 98%

CAS: 70775-75-6 Molecular Formula: C36H64Cl2N4 MDL Number: MFCD01938808 Synonym: N,N'-[Decane-1,10-diyldi-1(4H)-pyridyl-4-ylidene]bis(octylammonium) dichloride 1GR Octenidine dihydrochloride, 98% 1g

MES, 99+%, <1% water, ACROS Organics™

CAS: 4432-31-9 Molecular Formula: C6H13NO4S Molecular Weight (g/mol): 195.233 MDL Number: MFCD00006181 InChI Key: SXGZJKUKBWWHRA-UHFFFAOYSA-N Synonym: 2-(N-Morpholino)ethanesulfonic acid PubChem CID: 78165 ChEBI: CHEBI:39005 IUPAC Name: 2-morpholin-4-ylethanesulfonic acid SMILES: C1COCCN1CCS(=O)(=O)O 50GR MES, 99%, <1% water

Alfa Aesar™ N-Methylmaleimide, 98+%

CAS: 930-88-1 Molecular Formula: C5H5NO2 Molecular Weight (g/mol): 111.1 MDL Number: MFCD00005508 InChI Key: SEEYREPSKCQBBF-UHFFFAOYSA-N Synonym: n-methylmaleimide, 1-methyl-1h-pyrrole-2,5-dione, maleimide, n-methyl, n-methylmaleinimide, 1h-pyrrole-2,5-dione, 1-methyl, n-methyl maleimide, unii-p0tfz8r21y, p0tfz8r21y, 1-methyl-pyrrole-2,5-dione, 1-methyl-2,5-dihydro-1h-pyrrole-2,5-dione PubChem CID: 70261 IUPAC Name: 1-methylpyrrole-2,5-dione SMILES: CN1C(=O)C=CC1=O N-METHYLMALEIMIDE, 98+% 25G

Alfa Aesar™ 4,5-Dichloro-2-methylimidazole, 97%

CAS: 15965-33-0 Molecular Formula: C4H4Cl2N2 Molecular Weight (g/mol): 150.99 MDL Number: MFCD00051639 InChI Key: ZWRYWVBALYOSPQ-UHFFFAOYSA-N Synonym: 4,5-dichloro-2-methylimidazole, 1h-imidazole,2-methyl,4,5-dichloro, acmc-1bt3e, 4.5-dichloro-2-methylimidazole, 1h-imidazole,4,5-dichloro-2-methyl, # PubChem CID: 312390 IUPAC Name: 4,5-dichloro-2-methyl-1H-imidazole SMILES: CC1=NC(=C(N1)Cl)Cl 4,5-DICHLORO-2-METHYLIMIDAZOLE, 97%,1G

Alfa Aesar™ 4-Methyl-5-vinylthiazole, 98+%

CAS: 1759-28-0 Molecular Formula: C6H7NS Molecular Weight (g/mol): 125.189 MDL Number: MFCD00005337 InChI Key: QUAMMXIRDIIGDJ-UHFFFAOYSA-N Synonym: 4-methyl-5-vinylthiazole, thiazole, 5-ethenyl-4-methyl, 4-methyl-5-vinyl thiazole, 5-ethenyl-4-methylthiazole, thiazole, 4-methyl-5-vinyl, vinylsulfurol, vinyl sulfurol, fema no. 3313, 5-vinyl-4-methylthiazole, 4-methyl-5-vinyl-thiazole PubChem CID: 15654 IUPAC Name: 5-ethenyl-4-methyl-1,3-thiazole SMILES: CC1=C(SC=N1)C=C 4-METHYL-5-VINYLTHIAZOLE, 99%,25G

β-Nicotinamide adenine dinucleotide hydrate, 98+%, Acros Organics™

CAS: 53-84-9 Molecular Formula: C21H26N7O14P2- Molecular Weight (g/mol): 662.422 MDL Number: MFCD00150381 InChI Key: BAWFJGJZGIEFAR-NNYOXOHSSA-M Synonym: nicotinamide adenine dinucleotide, nad+, diphosphopyridine nucleotide, nad-oxidized, nicotinamide-adenine dinucleotide, dpn-ox, beta-nicotinamide adenine dinucleotide, dpn+, nad, nad + PubChem CID: 15938971 ChEBI: CHEBI:57540 IUPAC Name: [[(2R,3S,4R,5R)-5-(6-aminopurin-9-yl)-3,4-dihydroxyoxolan-2-yl]methoxy-oxidophosphoryl] [(2R,3S,4R,5R)-5-(3-carbamoylpyridin-1-ium-1-yl)-3,4-dihydroxyoxolan-2-yl]methyl phosphate SMILES: C1=CC(=C[N+](=C1)C2C(C(C(O2)COP(=O)([O-])OP(=O)([O-])OCC3C(C(C(O3)N4C=NC5=C4N=CN=C5N)O)O)O)O)C(=O)N 5GR beta-Nicotinamide adenine dinucleotide hydrate, 98+%

cis-Bis(2,2'-bipyridine)dichlororuthenium(II) hydrate, 97%, ACROS Organics™

CAS: 98014-14-3 Molecular Formula: C20H18Cl2N4ORu Molecular Weight (g/mol): 502.361 MDL Number: MFCD00150005 InChI Key: XBOQABVNRXVAKI-UHFFFAOYSA-L Synonym: cis-bis 2,2'-bipyridine dichlororuthenium ii hydrate, bis bipyridyl dichlororuthenium hydrate, 2,2'-bipyridine-dichlororuthenium-water 2/1/1, cis-dichlorobis 2,2'-bipyridine ruthenium ii, cis-bis 2,2'-bipyridine dichlororuthenium ii monohydrate, cis-bis 2,2-bipyridine dichlororuthenium ii hydrate, cis-bis-2,2'-bipyridine ruthenium ii chloride,hydrate, cis-bis 2,2 inverted exclamation marka-bipyridine dichlororuthenium ii hydrate PubChem CID: 16211844 IUPAC Name: dichlororuthenium;2-pyridin-2-ylpyridine;hydrate SMILES: C1=CC=NC(=C1)C2=CC=CC=N2.C1=CC=NC(=C1)C2=CC=CC=N2.O.Cl[Ru]Cl 1GR cis-Bis(2,2'-bipyridine)dichlororuthenium(II)hydrate, 97%

Alfa Aesar™ 1-Vinylimidazole, 99%

CAS: 1072-63-5 Molecular Formula: C5H6N2 Molecular Weight (g/mol): 94.117 MDL Number: 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% 25G

Alfa Aesar™ 3-Aminobenzaldehyde ethylene acetal, 97%

CAS: 6398-87-4 Molecular Formula: C9H11NO2 Molecular Weight (g/mol): 165.192 MDL Number: MFCD00272236 InChI Key: SPLTWZBWXIJQME-UHFFFAOYSA-N Synonym: 3-1,3-dioxolan-2-yl aniline, 3-aminobenzaldehyde ethylene acetal, 2-3-aminophenyl-1,3-dioxolan, 3-1,3-dioxolan-2-yl phenylamine, benzenamine, 3-1,3-dioxolan-2-yl, 3-1,3 dioxolan-2-yl-phenylamine, zlchem 897, acmc-1b47k, 3-1,3-dioxolane-2-yl aniline, 3-1,3-dioxolan-2-yl phenyl amine PubChem CID: 7020362 IUPAC Name: 3-(1,3-dioxolan-2-yl)aniline SMILES: C1COC(O1)C2=CC(=CC=C2)N 3-AMINOBENZALDEHYDE ETHYLENE ACETAL, 97%,25G

Scopolamine Hydrobromide Trihydrate 99%, ACROS Organics™

CAS: 6533-68-2 Molecular Formula: C17H28BrNO7 Molecular Weight (g/mol): 438.315 MDL Number: MFCD00150066 InChI Key: LACQPOBCQQPVIT-KTOIMGSCSA-N Synonym: hyoscine hydrobromide trihydrate PubChem CID: 131632304 SMILES: CN1C2CC(CC1C3C2O3)OC(=O)C(CO)C4=CC=CC=C4.O.O.O.Br 5GR Scopolamine hydrobromide trihydrate, 99%

Alfa Aesar™ 4,7-Dimethyl-1,10-phenanthroline, 98%

CAS: 3248-05-3 Molecular Formula: C14H12N2 Molecular Weight (g/mol): 208.26 MDL Number: MFCD00004979 InChI Key: JIVLDFFWTQYGSR-UHFFFAOYSA-N Synonym: 4,7-dimethyl-o-phenanthroline, 1,10-phenanthroline, 4,7-dimethyl, 4,7-dimethyl-1,10 phenanthroline, 4,7-dimethylpyridino 3,2-h quinoline, acmc-1cjn6, bis 5-chlorophenyl acetic acid, 4,7-dimethyl-1,9-phenanthroline, 1,10-phenanthroline, 4,7-dimethyl-, hydrate PubChem CID: 72792 IUPAC Name: 4,7-dimethyl-1,10-phenanthroline SMILES: CC1=C2C=CC3=C(C=CN=C3C2=NC=C1)C 4,7-DIMETHYL-1,10-PHENANTHROLINE, 98%,1G

Alfa Aesar™ 1,4,7-Tri-Boc-1,4,7,10-tetraazacyclododecane

250MG 1,4,7-Tri-Boc-1,4,7,10-tetraazacyclododecane 250mg

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