Heterocyclic Building Blocks

Fluorescein, ACROS Organics™

CAS.: 2321-07-5 Summenformel: C20H12O5 Molecular Weight (g/mol): 332.31 MDL-Nummer: MFCD00005050 InChI Key: GNBHRKFJIUUOQI-UHFFFAOYSA-N PubChem CID: 16850 ChEBI: CHEBI:31624 IUPAC Name: 3',6'-dihydroxyspiro[2-benzofuran-3,9'-xanthene]-1-one SMILES: C1=CC=C2C(=C1)C(=O)OC23C4=C(C=C(C=C4)O)OC5=C3C=CC(=C5)O 25GR Fluorescein, pure

4'-Chloro-2,2':6',2''-terpyridine, 99%, ACROS Organics™

1GR 4'-Chlor-2,2':6',2''-terpyridin, 99%

N-Methylmorpholine, 99%, ACROS Organics™

CAS.: 109-02-4 Summenformel: C5H11NO Molecular Weight (g/mol): 101.149 MDL-Nummer: 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-Methylmorpholin, 99%

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

CAS.: 110-86-1 Summenformel: C5H5N Molecular Weight (g/mol): 79.102 MDL-Nummer: 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 Pyridin, 99.5%, extra trocken, über Molekularsieb, AcroSeal

L-Histidine, 98%, ACROS Organics™

CAS.: 71-00-1 Summenformel: C6H9N3O2 Molecular Weight (g/mol): 155.157 MDL-Nummer: 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 25GR L-Histidin, 98%

Alfa Aesar™ 2,6-Dibromopyridine, 98%

CAS.: 626-05-1 Summenformel: C5H3Br2N Molecular Weight (g/mol): 236.894 MDL-Nummer: MFCD00006223 InChI Key: FEYDZHNIIMENOB-UHFFFAOYSA-N Synonym: pyridine, 2,6-dibromo, 2,6-dibromo-pyridine, 2,6-dibromo pyridine, 2,6dibromopyridine, 2,6-dibrompyridine, 2,6 dibromopyridine, 2.6-dibromopyridine, pubchem3204, 2, 6-dibromopyridine, acmc-209n5v PubChem CID: 12274 IUPAC Name: 2,6-dibromopyridine SMILES: C1=CC(=NC(=C1)Br)Br 2,6-DIBROMOPYRIDINE, 98% 100G

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

CAS.: 872-50-4 Summenformel: C5H9NO Molecular Weight (g/mol): 99.133 MDL-Nummer: 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 N-Methyl-2-pyrrolidinon, 99%, extra pure

2,2'-Dipyridyl N,N'-dioxide, 98%, ACROS Organics™

CAS.: 7275-43-6 Summenformel: C10H8N2O2 Molecular Weight (g/mol): 188.186 MDL-Nummer: MFCD00065169 InChI Key: FERMVCULDZOVOJ-MDZDMXLPSA-N Synonym: 2,2'-bipyridine 1,1'-dioxide, 2,2'-dipyridyl n,n'-dioxide, 2,2'-bipyridine 1,1'-dioxide, 2,2'-bipyridine n,n'-dioxide, 2,2'-dipyridyl-n,n'-dioxide PubChem CID: 6005843 IUPAC Name: (2E)-2-(1-oxidopyridin-2-ylidene)pyridin-1-ium 1-oxide SMILES: C1=CC(=C2C=CC=C[N+]2=O)N(C=C1)[O-] 1GR 2,2'-Bipyridyl-N,N'-dioxid, 98%

1,4-Dioxane, 99.5%, Extra Dry over Molecular Sieve, AcroSeal™, ACROS Organics™

CAS.: 123-91-1 Summenformel: C4H8O2 Molecular Weight (g/mol): 88.106 MDL-Nummer: 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-Dioxan, 99.5%, extra trocken, über Molekularsieb, stabilisiert, AcroSeal

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

CAS.: 110-86-1 Summenformel: C5H5N Molecular Weight (g/mol): 79.102 MDL-Nummer: 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 Pyridin, 99.5%, extra trocken, AcroSeal

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

CAS.: 110-86-1 Summenformel: C5H5N Molecular Weight (g/mol): 79.102 MDL-Nummer: 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 50ML Pyridin, 99+%, extra pure

Alfa Aesar™ 2,3-Dimethylindole, 97%

CAS.: 91-55-4 Summenformel: C10H11N Molecular Weight (g/mol): 145.205 MDL-Nummer: MFCD00005617 InChI Key: PYFVEIDRTLBMHG-UHFFFAOYSA-N Synonym: 2,3-dimethylindole, 1h-indole, 2,3-dimethyl, indole, 2,3-dimethyl, 2,3-dimethyl indole, tfw7o9hwzk, unii-tfw7o9hwzk, 2,3-dimethyl-1h-indol, 2,3-dimethyl-indol, 2,3-dimethyl-indole, pubchem7334 PubChem CID: 7053 IUPAC Name: 2,3-dimethyl-1H-indole SMILES: CC1=C(NC2=CC=CC=C12)C 2,3-DIMETHYLINDOLE, 98% 50G

4,6-Dihydroxypyrimidine, 98%, ACROS Organics™

CAS.: 1193-24-4 Summenformel: C4H4N2O2 Molecular Weight (g/mol): 112.088 MDL-Nummer: MFCD00016733 InChI Key: DUFGYCAXVIUXIP-UHFFFAOYSA-N Synonym: 4,6-dihydroxypyrimidine, pyrimidine-4,6-diol, 4,6-pyrimidinediol, 6-hydroxy-4 1h-pyrimidinone, 4 1h-pyrimidinone, 6-hydroxy, 4 3h-pyrimidinone, 6-hydroxy, 6-hydroxypyrimidin-4 3h-one, 6-hydroxy-1h-pyrimidin-4-one, 4,6-dihydroxypyrimidin, 6-hydroxy-4-pyrimidinone PubChem CID: 14512 IUPAC Name: 4-hydroxy-1H-pyrimidin-6-one SMILES: C1=C(N=CNC1=O)O 100GR 4,6-Dihydroxypyrimidin, 98%

Alfa Aesar™ 1,3,5-Triazine, 97%

CAS.: 290-87-9 Summenformel: C3H3N3 Molecular Weight (g/mol): 81.078 MDL-Nummer: MFCD00006044 InChI Key: JIHQDMXYYFUGFV-UHFFFAOYSA-N Synonym: s-triazine, sym-triazine, cyanidine, vedita 250, unii-8b5f4cm81e, vedita, 1,5-triazine, s-triazine, hydrogen cyanide trimer, acmc-209h6t PubChem CID: 9262 ChEBI: CHEBI:30259 IUPAC Name: 1,3,5-triazine SMILES: C1=NC=NC=N1 1,3,5-TRIAZINE, 97% 25G

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

CAS.: 5934-29-2 Summenformel: C6H12ClN3O3 Molecular Weight (g/mol): 209.63 MDL-Nummer: 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-Histidin Hydrochlorid Monohydrat, 98%

Dimidium bromide monohydrate, 98%, ACROS Organics™

CAS.: 518-67-2 Summenformel: C20H18BrN3 Molecular Weight (g/mol): 380.289 MDL-Nummer: MFCD00149984 InChI Key: MQOKYEROIFEEBH-UHFFFAOYSA-N Synonym: dimidium bromide, trypadine, 3,8-diamino-5-methyl-6-phenylphenanthridinium bromide, phenanthridinium 1553, phenanthridinium compound 1553, phenanthridinium, 3,8-diamino-5-methyl-6-phenyl-, bromide, 2,7-diamino-10-methyl-9-phenylphenanthridinium bromide, 3,8-diamino-5-methyl-6-phenylphenanthridin-5-ium bromide, phenanthridium 1553, dimidium bromide PubChem CID: 68207 IUPAC Name: 5-methyl-6-phenylphenanthridin-5-ium-3,8-diamine;bromide SMILES: C[N+]1=C2C=C(C=CC2=C3C=CC(=CC3=C1C4=CC=CC=C4)N)N.[Br-] 250MG Dimidiumbromid, 98%

3-Bromopyridine 99%, ACROS Organics™

CAS.: 626-55-1 Summenformel: C5H4BrN Molecular Weight (g/mol): 157.998 MDL-Nummer: MFCD00006373 InChI Key: NYPYPOZNGOXYSU-UHFFFAOYSA-N Synonym: 3-pyridyl bromide, pyridine, 3-bromo, 3-bromo pyridine, 3-bromo-pyridine, 5-bromopyridine, unii-xmn8h2xe9h, 5-bromo pyridine, xmn8h2xe9h, 3-pyridylbromide, 3-bromopryidine PubChem CID: 12286 ChEBI: CHEBI:51575 IUPAC Name: 3-bromopyridine SMILES: C1=CC(=CN=C1)Br 100ML 3-Brompyridin, 99%

1,4-Dioxane, 99+%, extra pure, stabilized, ACROS Organics™

CAS.: 123-91-1 Summenformel: C4H8O2 Molecular Weight (g/mol): 88.106 MDL-Nummer: 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-Dioxan, 99+%, extra pure, stabilisiert

Potassium indigotrisulfonate, ACROS Organics™

CAS.: 67627-18-3 Summenformel: C16H7K3N2O11S3 Molecular Weight (g/mol): 616.71 MDL-Nummer: MFCD00013160 InChI Key: XOSMXDUITYWYGR-VPOCKCTCSA-K Synonym: potassium indigotrisulfonate, indigotrisulfonic acid tripotassium salt, indigotrisulfonate potassium salt, indigotrisulfonic acid potassium salt, unii-5zza8n0abt, 5zza8n0abt, tripotassium indigotrisulfonate, tri-potassium indigotrisulfonate, tripotassium indigo-5,5',7-trisulfonate, tri-potassium indigo-5,5',7-trisulfonate PubChem CID: 6364606 IUPAC Name: tripotassium;(2E)-3-oxo-2-(3-oxo-5-sulfonato-1H-indol-2-ylidene)-1H-indole-5,7-disulfonate SMILES: C1=CC2=C(C=C1S(=O)(=O)[O-])C(=O)C(=C3C(=O)C4=CC(=CC(=C4N3)S(=O)(=O)[O-])S(=O)(=O)[O-])N2.[K+].[K+].[K+] 1GR Indigo-5,5',7-trisulfonsäure Trikaliumsalz

1-Methyl-2-pyrrolidinone, 99.5%, for HPLC, ACROS Organics™

CAS.: 872-50-4 Summenformel: C5H9NO Molecular Weight (g/mol): 99.133 MDL-Nummer: 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 N-Methyl-2-pyrrolidinon, 99.5%, für die HPLC

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

CAS.: 530-62-1 Summenformel: C7H6N4O Molecular Weight (g/mol): 162.152 MDL-Nummer: 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 10GR N,N'-Carbonyldiimidazol, 97%

Furfuryl Alcohol, 98%, ACROS Organics™

CAS.: 98-00-0 Summenformel: C5H6O2 Molecular Weight (g/mol): 98.101 MDL-Nummer: MFCD00003252 InChI Key: XPFVYQJUAUNWIW-UHFFFAOYSA-N Synonym: furfuryl alcohol, 2-furanmethanol, 2-furylmethanol, 2-furancarbinol, 2-furylcarbinol, furfuranol, 2-furanylmethanol, furfural alcohol, 2-furfuryl alcohol, 5-hydroxymethylfuran PubChem CID: 7361 ChEBI: CHEBI:207496 IUPAC Name: furan-2-ylmethanol SMILES: C1=COC(=C1)CO 2.5LT Furfurylalkohol, 98%

Tetrahydrofuran-D8, for NMR, 99.5 atom % D, ACROS Organics™

CAS.: 1693-74-9 Summenformel: C4H8O Molecular Weight (g/mol): 80.156 MDL-Nummer: MFCD00044238 InChI Key: WYURNTSHIVDZCO-SVYQBANQSA-N Synonym: tetrahydrofuran-d8, deuterated thf, octadeuterotetrahydrofuran, deuterated tetrahydrofuran, tetrahydrofuran-d8 thf-d8, tetrahydrofuran-d8, >=99.5 atom % d, 2h4 tetrahydro 2h4 furan, thf-d8, 2h8 tetrahydrofuran, furan-d4-, tetrahydro-d4 PubChem CID: 80290 IUPAC Name: 2,2,3,3,4,4,5,5-octadeuteriooxolane SMILES: C1CCOC1 5ML Tetrahydrofuran-d8, für die NMR-Spektroskopie, 99.5 atom % D

Suberic acid bis(N-hydroxysuccinimide ester), 97%, ACROS Organics™

CAS.: 68528-80-3 Summenformel: C16H20N2O8 Molecular Weight (g/mol): 368.342 MDL-Nummer: MFCD00049059 InChI Key: ZWIBGKZDAWNIFC-UHFFFAOYSA-N Synonym: disuccinimidyl suberate, bis 2,5-dioxopyrrolidin-1-yl octanedioate, suberic acid bis n-hydroxysuccinimide ester, di n-succinimidyl suberate, bicl100, 2,5-pyrrolidinedione, 1,1'-1,8-dioxo-1,8-octanediyl bis oxy bis, nhs-sa, disuccinimidylsuberate, dsis, n-hydroxysuccinimide suberic acid ester PubChem CID: 100658 IUPAC Name: bis(2,5-dioxopyrrolidin-1-yl) octanedioate SMILES: C1CC(=O)N(C1=O)OC(=O)CCCCCCC(=O)ON2C(=O)CCC2=O 1GR Octandisäurebis-(N-hydroxysuccinimidester), 97

Milrinone, 97%, ACROS Organics™

CAS.: 78415-72-2 Summenformel: C12H9N3O Molecular Weight (g/mol): 211.224 MDL-Nummer: MFCD00133539 InChI Key: PZRHRDRVRGEVNW-UHFFFAOYSA-N Synonym: milrinone, primacor, corotrope, corotrop, milrinona, milrinonum, milrinonum latin, milrinona spanish, milrila, unii-ju9yax04c7 PubChem CID: 4197 ChEBI: CHEBI:50693 IUPAC Name: 6-methyl-2-oxo-5-pyridin-4-yl-1H-pyridine-3-carbonitrile SMILES: CC1=C(C=C(C(=O)N1)C#N)C2=CC=NC=C2 50MG Milrinon, 97%

2-Bromopyrimidine, +97%, ACROS Organics™

CAS.: 4595-60-2 Summenformel: C4H3BrN2 Molecular Weight (g/mol): 158.986 MDL-Nummer: MFCD00014601 InChI Key: PGFIHORVILKHIA-UHFFFAOYSA-N Synonym: pyrimidine, 2-bromo, 2-brompyrimidin, bromopyrimidine, 2-bromo pyrimidine, 2-bromo-pyrimidine, 2-bromanylpyrimidine, pubchem6901, acmc-1aqvo, 2-bromo-1,3-diazine, 2-bromopyrimidine PubChem CID: 78345 IUPAC Name: 2-bromopyrimidine SMILES: C1=CN=C(N=C1)Br 1GR 2-Brompyrimidin, 97+%

Dehydroacetic acid sodium salt, 99%, ACROS Organics™

CAS.: 4418-26-2 Summenformel: C8H7O4Na MDL-Nummer: MFCD00040583 Synonym: 3-Acetyl-6-methyl-2H-pyran-2, 4(3H)-dione sodium salt 2.5KG Dehydracetsäure Natriumsalz, 99%

(S)-(-)-2-Pyrrolidone-5-carboxylic acid, 98%, ACROS Organics™

CAS.: 98-79-3 Summenformel: C5H7NO3 Molecular Weight (g/mol): 129.115 InChI Key: ODHCTXKNWHHXJC-VKHMYHEASA-N Synonym: l-pyroglutamic acid, pyroglutamic acid, pidolic acid, 5-oxo-l-proline, h-pyr-oh, 5-oxoproline, s-5-oxopyrrolidine-2-carboxylic acid, 2s-5-oxopyrrolidine-2-carboxylic acid, l-5-oxoproline, l-proline, 5-oxo PubChem CID: 7405 ChEBI: CHEBI:18183 IUPAC Name: (2S)-5-oxopyrrolidine-2-carboxylic acid SMILES: C1CC(=O)NC1C(=O)O 100GR (S)-(-)-5-Pyrrolidon-2-carbonsäure (2-5), 98

5-Amino-2-methyl-1,3-benzoxazole, 97%, ACROS Organics™

CAS.: 72745-76-7 Summenformel: C8H8N2O Molecular Weight (g/mol): 148.165 InChI Key: FECYTFWPNCBIHC-UHFFFAOYSA-N Synonym: 2-methylbenzo d oxazol-5-amine, 2-methyl-5-aminobenzoxazole, 5-amino-2-methylbenzoxazole, 5-benzoxazolamine,2-methyl, 2-methylbenzoxazole-5-ylamine, 2-methyl-benzoxazol-5-ylamine, 5-benzoxazolamine, 2-methyl, 2-methyl-benzooxazol-5-ylamine, 2-methylbenzoxazol-5-yl amine, 5-amino-2-methyl-1,3-benzoxazole PubChem CID: 737920 IUPAC Name: 2-methyl-1,3-benzoxazol-5-amine SMILES: CC1=NC2=C(O1)C=CC(=C2)N 1GR 5-Amino-2-methyl-1,3-benzoxazol, 97%

Alfa Aesar™ 3-Bromopyridine, 98+%

CAS.: 626-55-1 Summenformel: C5H4BrN Molecular Weight (g/mol): 157.998 MDL-Nummer: MFCD00006373 InChI Key: NYPYPOZNGOXYSU-UHFFFAOYSA-N Synonym: 3-pyridyl bromide, pyridine, 3-bromo, 3-bromo pyridine, 3-bromo-pyridine, 5-bromopyridine, unii-xmn8h2xe9h, 5-bromo pyridine, xmn8h2xe9h, 3-pyridylbromide, 3-bromopryidine PubChem CID: 12286 ChEBI: CHEBI:51575 IUPAC Name: 3-bromopyridine SMILES: C1=CC(=CN=C1)Br 3-BROMOPYRIDINE, 98+% 100G

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