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

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

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, 99.5%, 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

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

Imidazole, 99+%, crystalline, ACROS Organics™

CAS: 288-32-4 Molecular Formula: C3H4N2 Molecular Weight (g/mol): 68.079 MDL Number: MFCD00005183 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 2.5KG Imidazole, 99+%, crystalline

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 2.5LT Pyridine, 99.5%, Extra Dry, AcroSeal

Alfa Aesar™ N-Benzyloxycarbonyl-L-valine N-succinimidyl ester, 98%

CAS: 3513-03-9 Molecular Formula: C17H27ClN8O5 Molecular Weight (g/mol): 458.90 MDL Number: MFCD00053547 InChI Key: YQXYQOXRCNEATG-UHFFFAOYNA-N Synonym: blasticidin s hcl PubChem CID: 124080960 IUPAC Name: (2R,3S,6S)-3-[[(3R)-3-amino-5-[carbamimidoyl(methyl)amino]pentanoyl]amino]-6-(4-amino-2-oxopyrimidin-1-yl)-3,6-dihydro-2H-pyran-2-carboxylic acid;hydrochloride SMILES: CN(CCC(CC(=O)NC1C=CC(OC1C(=O)O)N2C=CC(=NC2=O)N)N)C(=N)N.Cl 5GR N-Benzyloxycarbonyl-L-valine N-succinimidyl ester, 98% 5g

Isonicotinic acid, 99%, ACROS Organics™

CAS: 55-22-1 Molecular Formula: C6H5NO2 Molecular Weight (g/mol): 123.111 InChI Key: TWBYWOBDOCUKOW-UHFFFAOYSA-N Synonym: isonicotinic acid, 4-pyridinecarboxylic acid, 4-picolinic acid, 4-carboxypyridine, p-pyridinecarboxylic acid, gamma-picolinic acid, gamma-pyridinecarboxylic acid, acide iso-nicotinique, 1,4-dihydroisonicotinic acid, acide iso-nicotinique french PubChem CID: 5922 ChEBI: CHEBI:6032 IUPAC Name: pyridine-4-carboxylic acid SMILES: C1=CN=CC=C1C(=O)O 100GR Isonicotinic 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

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

Adenosine 5'-triphosphate, disodium salt hydrate, 98%, ACROS Organics™

CAS: 34369-07-8 Molecular Formula: C10H16N5Na2O14P3 Molecular Weight (g/mol): 569.16 InChI Key: NTBQNWBHIXNPRU-MSQVLRTGSA-L Synonym: atp disodium salt hydrate, atp disodium salt, atp disodium hydrate, adenosine 5'-triphosphate disodium salt hydrate, atp disodium salt trihydrate, 56-65-5 non-sodium, 987-65-5 anhydrous, 5 inverted exclamation marka-atp-na2, adenosine 5'-triphosphate disodium salt hydrate, adenosine 5'-triphosphate disodium sal& PubChem CID: 131664345 IUPAC Name: disodium;[[[(2R,3S,4R,5R)-5-(6-aminopurin-9-yl)-3,4-dihydroxyoxolan-2-yl]methoxy-hydroxyphosphoryl]oxy-hydroxyphosphoryl] phosphate;hydrate SMILES: C1=NC2=C(C(=N1)N)N=CN2C3C(C(C(O3)COP(=O)(O)OP(=O)(O)OP(=O)([O-])[O-])O)O.O.[Na+].[Na+] 50GR Adenosine 5'-triphosphate, disodium salt hydrate, 98%

N-Hydroxysuccinimide, 98+%, ACROS Organics™

CAS: 6066-82-6 Molecular Formula: C4H5NO3 Molecular Weight (g/mol): 115.088 MDL Number: MFCD00005516 InChI Key: NQTADLQHYWFPDB-UHFFFAOYSA-N Synonym: n-hydroxysuccinimide, hosu, 1-hydroxysuccinimide, 2,5-pyrrolidinedione, 1-hydroxy, 1-hydroxy-2,5-pyrrolidinedione, succinimide, n-hydroxy, n-hydroxysuccinimde, n-hydroxysuccinimid, unii-mje3791m4t, ccris 2604 PubChem CID: 80170 IUPAC Name: 1-hydroxypyrrolidine-2,5-dione SMILES: C1CC(=O)N(C1=O)O 1KG N-Hydroxysuccinimide, 98+%

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%

Thiamine Hydrochloride 98.5-101.5%, ACROS Organics™

CAS: 67-03-8 Molecular Formula: C12H18Cl2N4OS Molecular Weight (g/mol): 337.263 MDL Number: MFCD00012780 InChI Key: DPJRMOMPQZCRJU-UHFFFAOYSA-M Synonym: thiamine hydrochloride, vitamin b1 hydrochloride, thiamine hcl, aneurine hydrochloride, berin, thiamine chloride hydrochloride, trophite, thiamin chloride, thiamine dichloride, thiaminium chloride PubChem CID: 6202 ChEBI: CHEBI:49105 IUPAC Name: 2-[3-[(4-amino-2-methylpyrimidin-5-yl)methyl]-4-methyl-1,3-thiazol-3-ium-5-yl]ethanol;chloride;hydrochloride SMILES: CC1=C(SC=[N+]1CC2=CN=C(N=C2N)C)CCO.Cl.[Cl-] 100GR Thiamine hydrochloride, %, 98.5-101.5%

1-Methyl-2-pyrrolidinone, 99.5%, for HPLC, 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, 99.5%, for HPLC

Coumarin, 99+%, ACROS Organics™

CAS: 91-64-5 Molecular Formula: C9H6O2 Molecular Weight (g/mol): 146.145 MDL Number: MFCD00006850 InChI Key: ZYGHJZDHTFUPRJ-UHFFFAOYSA-N Synonym: 2H-1-Benzopyran-2-one PubChem CID: 323 ChEBI: CHEBI:28794 IUPAC Name: chromen-2-one SMILES: C1=CC=C2C(=C1)C=CC(=O)O2 250GR Coumarin, 99+%

Phenazine methosulfate, 98%, ACROS Organics™

CAS: 299-11-6 Molecular Formula: C14H14N2O4S Molecular Weight (g/mol): 306.336 MDL Number: MFCD00011923 InChI Key: RXGJTUSBYWCRBK-UHFFFAOYSA-M Synonym: phenazine methosulfate, 5-methylphenazin-5-ium methyl sulfate, 5-methylphenazinium methyl sulfate, n-methylphenazonium methosulfate, phenazine methosulphate, methylphenazonium methosulfate, 5-methylphenazine methylsulfate, n-methylphenazinium methosulfate, n-methylphenazonium methosulphate, phenazinium, 5-methyl-, methyl sulfate PubChem CID: 9285 ChEBI: CHEBI:8055 IUPAC Name: 5-methylphenazin-5-ium;methyl sulfate SMILES: C[N+]1=C2C=CC=CC2=NC3=CC=CC=C31.COS(=O)(=O)[O-] 25GR Phenazine methosulfate, 98%

2',7'-Dichlorofluorescein, pure, ACROS Organics™

CAS: 76-54-0 Molecular Formula: C20H10Cl2O5 Molecular Weight (g/mol): 401.195 MDL Number: MFCD00005047 InChI Key: VFNKZQNIXUFLBC-UHFFFAOYSA-N Synonym: 2',7'-Dichloro-3',6'-dihydroxyspiro[isobenzofuran-1(3H),9'-[9H]xanthen]-3-one PubChem CID: 64944 ChEBI: CHEBI:51596 IUPAC Name: 2',7'-dichloro-3',6'-dihydroxyspiro[2-benzofuran-3,9'-xanthene]-1-one SMILES: C1=CC=C2C(=C1)C(=O)OC23C4=CC(=C(C=C4OC5=CC(=C(C=C35)Cl)O)O)Cl 100GR 2',7'-Dichlorofluorescein, pure

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%

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

Histamine dihydrochloride, 99%, ACROS Organics™

CAS: 56-92-8 Molecular Formula: C5H11Cl2N3 Molecular Weight (g/mol): 184.064 InChI Key: PPZMYIBUHIPZOS-UHFFFAOYSA-N Synonym: histamine dihydrochloride, histamine 2hcl, 2-1h-imidazol-4-yl ethanamine dihydrochloride, 1h-imidazole-4-ethanamine dihydrochloride, 1h-imidazole-4-ethanamine, dihydrochloride, peremin, ceplene, 2-1h-imidazol-4-yl ethylamine dihydrochloride, 2-4-imidazolyl ethylamine dihydrochloride, histaminedium dichloride PubChem CID: 5818 IUPAC Name: 2-(1H-imidazol-5-yl)ethanamine;dihydrochloride SMILES: C1=C(NC=N1)CCN.Cl.Cl 100GR Histamine dihydrochloride, 99%

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

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%

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

Eosin Y, pure, certified, ACROS Organics™

25GR Eosin Y, 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 5GR Imidazole, 99%

Indigo Carmine, High Purity Biological Stain, 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+] 500GR Indigo Carmine, for analysis, high purity biological stain

1,1'-Carbonyldiimidazole, 97%, ACROS Organics™

CAS: 530-62-1 Molecular Formula: C7H6N4O Molecular Weight (g/mol): 162.152 MDL Number: MFCD00005286 InChI Key: PFKFTWBEEFSNDU-UHFFFAOYSA-N Synonym: 1,1'-carbonyldiimidazole, n,n'-carbonyldiimidazole, carbonyldiimidazole, di 1h-imidazol-1-yl methanone, n,n-carbonyldiimidazole, 1h-imidazole, 1,1'-carbonylbis, 1,1'-carbonylbis-1h-imidazole, carbonyl diimidazole, diimidazol-1-yl ketone, 1,1-carbonyldiimidazole PubChem CID: 68263 IUPAC Name: di(imidazol-1-yl)methanone SMILES: C1=CN(C=N1)C(=O)N2C=CN=C2 500GR 1,1'-Carbonyldiimidazole, 97%

Nicotinamide, 99%, Acros Organics™

CAS: 98-92-0 Molecular Formula: C6H6N2O Molecular Weight (g/mol): 122.127 MDL Number: MFCD00006395 InChI Key: DFPAKSUCGFBDDF-UHFFFAOYSA-N Synonym: nicotinamide, niacinamide, 3-pyridinecarboxamide, vitamin pp, nicotinic acid amide, papulex, aminicotin, amixicotyn, nicobion, nicotylamide PubChem CID: 936 ChEBI: CHEBI:17154 IUPAC Name: pyridine-3-carboxamide SMILES: C1=CC(=CN=C1)C(=O)N 2.5KG Nicotinamide, 99%

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