Heterocyclic Building Blocks

1,4-Dioxane, 99.8%, Extra Dry, stabilized, AcroSeal™, ACROS Organics™

CAS: 123-91-1 Molecular Formula: C4H8O2 Molecular Weight (g/mol): 88.106 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 2.5LT 1,4-Dioxane, 99.8%, Extra Dry, stabilized, AcroSeal

1,4-Dioxane, 99.5%, Extra Dry over Molecular Sieve, AcroSeal™, 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 2.5LT 1,4-Dioxane, 99.5%, Extra Dry over Molecular Sieve, stabilized, AcroSeal

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

3-Furaldehyde, 98%, ACROS Organics™

CAS: 498-60-2 Molecular Formula: C5H4O2 Molecular Weight (g/mol): 96.085 InChI Key: AZVSIHIBYRHSLB-UHFFFAOYSA-N Synonym: 3-furaldehyde, 3-furancarboxaldehyde, furan-3-carboxaldehyde, 3-formylfuran, 3-furfural, unii-pob632x444, 3-furancarboxaldehyde, 3furaldehyde, 3-furancarbaldehyde, pubchem6948 PubChem CID: 10351 ChEBI: CHEBI:87609 IUPAC Name: furan-3-carbaldehyde SMILES: C1=COC=C1C=O 5GR 3-Furaldehyde, 98%, stabilized

2-Thiophenecarboxaldehyde 98%, ACROS Organics™

CAS: 98-03-3 Molecular Formula: C5H4OS Molecular Weight (g/mol): 112.146 MDL Number: MFCD00005429 InChI Key: CNUDBTRUORMMPA-UHFFFAOYSA-N Synonym: 2-thiophenecarboxaldehyde, 2-thenaldehyde, thiophene-2-aldehyde, 2-formylthiophene, 2-thienylaldehyde, 2-thiophenealdehyde, thiophene-2-carboxaldehyde, 2-thienylcarboxaldehyde, 2-thienaldehyde, alpha-formylthiophene PubChem CID: 7364 ChEBI: CHEBI:87301 IUPAC Name: thiophene-2-carbaldehyde SMILES: C1=CSC(=C1)C=O 100ML 2-Thiophenecarboxaldehyde, 98%

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 25LT 1-Methyl-2-pyrrolidinone, 99%, extra pure

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 2.5LT Pyridine, 99.5%, Extra Dry over Molecular Sieve, AcroSeal

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 10KG Imidazole, 99%

L-Histidine, 98%, ACROS Organics™

CAS: 71-00-1 Molecular Formula: C6H9N3O2 Molecular Weight (g/mol): 155.157 MDL Number: MFCD00064315 InChI Key: HNDVDQJCIGZPNO-YFKPBYRVSA-N Synonym: l-histidine, histidine, h-his-oh, glyoxaline-5-alanine, anti-rheuma, l---histidine, istidina, s-histidine, l-histidin, l-histidine PubChem CID: 6274 ChEBI: CHEBI:15971 IUPAC Name: (2S)-2-amino-3-(1H-imidazol-5-yl)propanoic acid SMILES: C1=C(NC=N1)CC(C(=O)O)N 100GR L-Histidine, 98%

Rhodamine B, ACROS Organics™

CAS: 81-88-9 Molecular Formula: C28H31ClN2O3 Molecular Weight (g/mol): 479.017 MDL Number: MFCD00011931 InChI Key: PYWVYCXTNDRMGF-UHFFFAOYSA-N Synonym: Basic Violet 10, C.I. 45170 PubChem CID: 6694 ChEBI: CHEBI:52334 IUPAC Name: [9-(2-carboxyphenyl)-6-(diethylamino)xanthen-3-ylidene]-diethylazanium;chloride SMILES: CCN(CC)C1=CC2=C(C=C1)C(=C3C=CC(=[N+](CC)CC)C=C3O2)C4=CC=CC=C4C(=O)O.[Cl-] 2.5KG Rhodamine B, pure

1,4-Dioxane, 99+%, extra pure, 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+%, extra pure, stabilized

Furan, 99+%, stabilized, ACROS Organics™

CAS: 110-00-9 Molecular Formula: C4H4O Molecular Weight (g/mol): 68.075 MDL Number: MFCD00003222 InChI Key: YLQBMQCUIZJEEH-UHFFFAOYSA-N Synonym: divinylene oxide, furfuran, tetrole, oxole, oxacyclopentadiene, furane, 1,4-epoxy-1,3-butadiene, axole, rcra waste number u124, furfurane PubChem CID: 8029 ChEBI: CHEBI:35559 IUPAC Name: furan SMILES: C1=COC=C1 1LT Furan, 99+%, stabilized

5-(Hydroxymethyl)furfural, 98%, ACROS Organics™

CAS: 67-47-0 Molecular Formula: C6H6O3 Molecular Weight (g/mol): 126.111 InChI Key: NOEGNKMFWQHSLB-UHFFFAOYSA-N Synonym: 5-hydroxymethylfurfural, 5-hydroxymethyl-2-furaldehyde, 5-hydroxymethyl furfural, 5-hydroxymethyl furan-2-carbaldehyde, hydroxymethylfurfural, 5-hydroxymethyl-2-furaldehyde, 5-hydroxymethyl-2-furfural, 5-oxymethylfurfurole, 5-hydroxymethylfuraldehyde, hydroxymethylfurfurole PubChem CID: 237332 ChEBI: CHEBI:412516 IUPAC Name: 5-(hydroxymethyl)furan-2-carbaldehyde SMILES: C1=C(OC(=C1)C=O)CO 25GR 5-(Hydroxymethyl)furfural, 98%

Rhodamine 110, 98+%, Acros Organics™

CAS: 13558-31-1 Molecular Formula: C20H15ClN2O3 Molecular Weight (g/mol): 366.801 InChI Key: JNGRENQDBKMCCR-UHFFFAOYSA-N PubChem CID: 11617572 IUPAC Name: 2-(3-amino-6-iminoxanthen-9-yl)benzoic acid;hydrochloride SMILES: C1=CC=C(C(=C1)C2=C3C=CC(=N)C=C3OC4=C2C=CC(=C4)N)C(=O)O.Cl 2.5GR Rhodamine 110, 98+%, pure, laser grade

5-Phenyltetrazole, 99%, ACROS Organics™

CAS: 18039-42-4 Molecular Formula: C7H6N4 Molecular Weight (g/mol): 146.153 MDL Number: MFCD00022388 InChI Key: MARUHZGHZWCEQU-UHFFFAOYSA-N Synonym: 5-phenyl-1h-tetrazole, 5-phenyltetrazole, 1h-tetrazole, 5-phenyl, 2h-tetrazole, 5-phenyl, phenyltetrazole, 5-phenyl tetrazole, expandex 5pt, expandex ox 5pt, kempore 50xpt, 5-phenyltetrazole van PubChem CID: 87425 IUPAC Name: 5-phenyl-2H-tetrazole SMILES: C1=CC=C(C=C1)C2=NNN=N2 100GR 5-Phenyltetrazole, 99%

1-Methyl-2-pyrrolidinone, 99.5%, Extra Dry over Molecular Sieve, AcroSeal™, 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 2.5LT 1-Methyl-2-pyrrolidinone, 99.5%, Extra Dry over Molecular Sieve, AcroSeal

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%

2-Furaldehyde, 99%, ACROS Organics™

CAS: 98-01-1 Molecular Formula: C5H4O2 Molecular Weight (g/mol): 96.085 MDL Number: MFCD00003229 InChI Key: HYBBIBNJHNGZAN-UHFFFAOYSA-N Synonym: furfural, 2-furaldehyde, 2-furancarboxaldehyde, furaldehyde, 2-formylfuran, furfuraldehyde, fural, 2-furanaldehyde, 2-furancarbonal, 2-furfural PubChem CID: 7362 ChEBI: CHEBI:34768 IUPAC Name: furan-2-carbaldehyde SMILES: C1=COC(=C1)C=O 2.5LT 2-Furaldehyde, 99%

Azetidine, 98%, ACROS Organics™

CAS: 503-29-7 Molecular Formula: C3H7N Molecular Weight (g/mol): 57.096 InChI Key: HONIICLYMWZJFZ-UHFFFAOYSA-N Synonym: azacyclobutane, trimethylene imine, 1,3-propylenimine, trimethylenimine, azetidin, unii-37s883xdwr, azetidine, l, polypropylene amine, azete, tetrahydro, azetidine PubChem CID: 10422 ChEBI: CHEBI:30968 IUPAC Name: azetidine SMILES: C1CNC1 5GR Azetidine, 98%

L-Histidine hydrochloride monohydrate, 98%, ACROS Organics™

CAS: 5934-29-2 Molecular Formula: C6H12ClN3O3 Molecular Weight (g/mol): 209.63 MDL Number: MFCD00151027 InChI Key: CMXXUDSWGMGYLZ-XRIGFGBMSA-N Synonym: l-histidine hydrochloride hydrate, l-histidine hydrochloride monohydrate, s-2-amino-3-1h-imidazol-4-yl propanoic acid hydrochloride hydrate, h-his-oh.hcl.h2o, l-histidine monohydrochloride monohydrate, l-histidine, monohydrochloride, monohydrate, l-histidin hydrate hydrochloride, histidine, monohydrochloride, monohydrate, l, h-his-ohhclh2o, l-histidine, hydrochloride, monohydrate PubChem CID: 165377 IUPAC Name: (2S)-2-amino-3-(1H-imidazol-5-yl)propanoic acid;hydrate;hydrochloride SMILES: C1=C(NC=N1)CC(C(=O)O)N.O.Cl 2.5KG L-Histidine hydrochloride monohydrate, 98%

N-Methylmorpholine, 99.5%, purified by distillation, AcroSeal™, ACROS Organics™

CAS: 109-02-4 Molecular Formula: C5H11NO Molecular Weight (g/mol): 101.149 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 1LT N-Methylmorpholine, 99.5%, purified by redistillation, AcroSeal

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

CAS: 632-69-9 Molecular Formula: C20H4Cl4I4Na2O5 Molecular Weight (g/mol): 1019.644 MDL Number: 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] 5GR Rose Bengal, 85%, pure, high purity, Biological stain

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-] 100GR Methylene Blue, pure, certified, residual water

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

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

Theophylline, 99+%, anhydrous, ACROS Organics™

CAS: 58-55-9 Molecular Formula: C7H8N4O2 Molecular Weight (g/mol): 180.167 MDL Number: MFCD00079619 InChI Key: ZFXYFBGIUFBOJW-UHFFFAOYSA-N Synonym: theophylline, 1,3-dimethylxanthine, elixophyllin, theophyllin, theolair, nuelin, theophylline anhydrous, respbid, theocin, theo-dur PubChem CID: 2153 ChEBI: CHEBI:28177 IUPAC Name: 1,3-dimethyl-7H-purine-2,6-dione SMILES: CN1C2=C(C(=O)N(C1=O)C)NC=N2 1KG Theophylline, 99+%, anhydrous

Methyl Viologen hydrate, 98%, ACROS Organics™

CAS: 1910-42-5 Molecular Formula: C12H14Cl2N2 Molecular Weight (g/mol): 257.158 MDL Number: MFCD00150001 InChI Key: FIKAKWIAUPDISJ-UHFFFAOYSA-L Synonym: Paraquat, dichloride PubChem CID: 15938 ChEBI: CHEBI:28786 IUPAC Name: 1-methyl-4-(1-methylpyridin-1-ium-4-yl)pyridin-1-ium;dichloride SMILES: C[N+]1=CC=C(C=C1)C2=CC=[N+](C=C2)C.[Cl-].[Cl-] 1GR Methyl Viologen hydrate, 98%

Nicotine ditartrate dihydrate, 98%, ACROS Organics™

Molecular Formula: 2C4H6O6·2H2O Synonym: (-)-Nicotine di-(+)-hydrogen tartrate dihydrate 10GR Nicotine ditartrate dihydrate, 98%

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 500GR Riboflavin, 98%

Eosin Y, pure, certified, ACROS Organics™

25GR Eosin Y, pure, certified

2,4-Dimethylpyrrole, 97%, ACROS Organics™

CAS: 625-82-1 Molecular Formula: C6H9N Molecular Weight (g/mol): 95.145 MDL Number: MFCD00192088 InChI Key: MFFMQGGZCLEMCI-UHFFFAOYSA-N Synonym: 2,4-dimethylpyrrole, 1h-pyrrole, 2,4-dimethyl, pyrrole, 2,4-dimethyl, unii-ynq49m599x, pubchem24003, 2,4-dimethyl-1h-pyrrol, acmc-209n5e, 2,4-dimethylpyrrole, ksc493o6j, # PubChem CID: 39539 IUPAC Name: 2,4-dimethyl-1H-pyrrole SMILES: CC1=CC(=CN1)C 25GR 2,4-Dimethylpyrrole, 97%

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