Heterocyclic Building Blocks

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 5GR 4-Dimethylaminopyridine, 99%

Adenosine 3',5'-cyclic monophosphate, +99%, ACROS Organics™

CAS: 60-92-4 Molecular Formula: C10H12N5O6P Molecular Weight (g/mol): 329.209 MDL Number: MFCD00005845 InChI Key: IVOMOUWHDPKRLL-KQYNXXCUSA-N Synonym: camp, cyclic amp, adenosine 3',5'-cyclic monophosphate, 3',5'-cyclic amp, adenosine 3',5'-phosphate, adenosine 3',5'-cyclophosphate, cyclic 3',5'-amp, adenosine cyclic monophosphate, adenosine-3',5'-cyclophosphate, cyclic adenosine monophosphate PubChem CID: 6076 ChEBI: CHEBI:17489 IUPAC Name: (4aR,6R,7R,7aS)-6-(6-aminopurin-9-yl)-2-hydroxy-2-oxo-4a,6,7,7a-tetrahydro-4H-furo[3,2-d][1,3,2]dioxaphosphinin-7-ol SMILES: C1C2C(C(C(O2)N3C=NC4=C3N=CN=C4N)O)OP(=O)(O1)O 1GR Adenosine 3',5'-cyclic monophosphate, 99+%

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

Caffeine, 99%, Alfa Aesar™

CAS: 58-08-2 Molecular Formula: C8H10N4O2 Molecular Weight (g/mol): 194.194 MDL Number: MFCD00005758 InChI Key: RYYVLZVUVIJVGH-UHFFFAOYSA-N Synonym: caffeine, 1,3,7-trimethylxanthine, guaranine, thein, cafeina, methyltheobromine, koffein, mateina, theine, alert-pep PubChem CID: 2519 ChEBI: CHEBI:27732 IUPAC Name: 1,3,7-trimethylpurine-2,6-dione SMILES: CN1C=NC2=C1C(=O)N(C(=O)N2C)C CAFFEINE, 99% 1000G

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% 25G

3,4-Dibromothiophene, 97%, ACROS Organics™

CAS: 3141-26-2 Molecular Formula: C4H2Br2S Molecular Weight (g/mol): 241.928 MDL Number: MFCD00005465 InChI Key: VGKLVWTVCUDISO-UHFFFAOYSA-N Synonym: thiophene, 3,4-dibromo, 3,4-dibromo-thiophene, pubchem5510, thiophene,4-dibromo, 3, 4-dibromothiophene, acmc-1clwy, 3,4-bis bromanyl thiophene, ksc224a6j, 3,4-dibromothiophene, bidd:gt0493 PubChem CID: 18452 IUPAC Name: 3,4-dibromothiophene SMILES: C1=C(C(=CS1)Br)Br 1GR 3,4-Dibromothiophene, 97%

Caffeine, 98.5%, USP/BP, ACROS Organics™

CAS: 58-08-2 Molecular Formula: C8H10N4O2 Molecular Weight (g/mol): 194.194 MDL Number: MFCD00005758 InChI Key: RYYVLZVUVIJVGH-UHFFFAOYSA-N Synonym: caffeine, 1,3,7-trimethylxanthine, guaranine, thein, cafeina, methyltheobromine, koffein, mateina, theine, alert-pep PubChem CID: 2519 ChEBI: CHEBI:27732 IUPAC Name: 1,3,7-trimethylpurine-2,6-dione SMILES: CN1C=NC2=C1C(=O)N(C(=O)N2C)C 2.5KG Caffeine, 98.5%, specified according to thereq. of USP/BP

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 5GR 5-(Hydroxymethyl)furfural, 98%

Cyanuric acid, 98%, ACROS Organics™

CAS: 108-80-5 Molecular Formula: C3H3N3O3 Molecular Weight (g/mol): 129.075 MDL Number: MFCD00082990 InChI Key: ZFSLODLOARCGLH-UHFFFAOYSA-N Synonym: cyanuric acid, isocyanuric acid, 1,3,5-triazine-2,4,6-triol, trihydroxycyanidine, tricyanic acid, sym-triazinetriol, s-triazinetriol, 1,3,5-triazine-2,4,6 1h,3h,5h-trione, pseudocyanuric acid, isocyanurate acid PubChem CID: 7956 ChEBI: CHEBI:38028 IUPAC Name: 1,3,5-triazinane-2,4,6-trione SMILES: C1(=O)NC(=O)NC(=O)N1 1KG Cyanuric acid, 98%

COMU™, 97%, ACROS Organics™

CAS: 1075198-30-9 Molecular Formula: C12H19F6N4O4P Molecular Weight (g/mol): 428.272 InChI Key: GPDHNZNLPKYHCN-DZOOLQPHSA-N Synonym: comu, 1-cyano-2-ethoxy-2-oxoethylidenaminooxy dim, 1-cyano-2-ethoxy-2-oxoethylidenaminooxy dimethylamino-morpholinocarbenium hexafluorophosphate, 1-cyano-2-ethoxy-2-oxoethylideneaminooxy-dimethylamino-morpholino-carbenium hexafluorophosphate, z-1-cyano-2-ethoxy-2-oxoethylidene amino oxy-n,n-dimethyl morpholin-4-yl methaniminium hexafluorophosphate, 4-e-1-cyano-2-ethoxy-2-oxoethylidene amino oxidanyl dimethylamino methylidene-4??-morpholin-4-ylium hexafluorophosphate PubChem CID: 44471148 IUPAC Name: [[(Z)-(1-cyano-2-ethoxy-2-oxoethylidene)amino]oxy-morpholin-4-ylmethylidene]-dimethylazanium;hexafluorophosphate SMILES: CCOC(=O)C(=NOC(=[N+](C)C)N1CCOCC1)C#N.F[P-](F)(F)(F)(F)F 5GR COMU, 97%

1,4-Butanediol Diglycidyl Ether (Tech.), 60%, ACROS Organics™

CAS: 2425-79-8 Molecular Formula: C10H18O4 Molecular Weight (g/mol): 202.25 MDL Number: MFCD00005146 InChI Key: SHKUUQIDMUMQQK-UHFFFAOYSA-N Synonym: 1,4-butanediol diglycidyl ether, 1,4-diglycidyloxybutane, 1,4-bis glycidyloxy butane, butanediol diglycidyl ether, araldit dy 026, 1,4-butane diglycidyl ether, grilonit rv 1806, 1,4-diglycidloxybutane, chs-rr2, 1,4-bis 2,3-epoxypropoxy butane PubChem CID: 17046 IUPAC Name: 2-[4-(oxiran-2-ylmethoxy)butoxymethyl]oxirane SMILES: C1C(O1)COCCCCOCC2CO2 2.5KG 1,4-Butanediol diglycidyl ether, 50-60%, technical

4,6-Dihydroxy-2-mercaptopyrimidine, 98%, ACROS Organics™

CAS: 504-17-6 Molecular Formula: C4H4N2O2S Molecular Weight (g/mol): 144.148 MDL Number: MFCD00006674 InChI Key: RVBUGGBMJDPOST-UHFFFAOYSA-N Synonym: 2-thiobarbituric acid, thiobarbituric acid, bathyran, austranal, 4,6-dihydroxy-2-thiopyrimidine, 2-thioxodihydropyrimidine-4,6 1h,5h-dione, 2-thio-4,6-dioxypyrimidine, usaf ek-660, 4,6 1h,5h-pyrimidinedione, dihydro-2-thioxo, 2-mercaptobarbituric acid PubChem CID: 2723628 ChEBI: CHEBI:33202 IUPAC Name: 2-sulfanylidene-1,3-diazinane-4,6-dione SMILES: C1C(=O)NC(=S)NC1=O 100GR 4,6-Dihydroxy-2-mercaptopyrimidine, 98%

Neocuproine Hydrochloride Monohydrate, 99%, ACROS Organics™

CAS: 303136-82-5 Molecular Formula: C14H15ClN2O Molecular Weight (g/mol): 262.737 MDL Number: MFCD00150062 InChI Key: APDYLFLZNGECIM-UHFFFAOYSA-N Synonym: 2,9-dimethyl-1,10-phenanthroline hydrochloride monohydrate, 2,9-dimethyl-1,10-phenanthroline hydrochloride hydrate, neocuproine hydrochloride monohydrate, neocuproine hydrate hydrochloride, c14h12n2.hcl.h2o, 2,9-dimethyl-1,10-phenanthroline hydrate hydrochloride, neocuproine hydrochloride hydrate, neocuproinehydrochloridemonohydrate, neocuproine hydrochloride hydrate 98, neocuproine hydrochloride trihydrate, 98 % PubChem CID: 2723838 IUPAC Name: 2,9-dimethyl-1,10-phenanthroline;hydrate;hydrochloride SMILES: CC1=NC2=C(C=C1)C=CC3=C2N=C(C=C3)C.O.Cl 100GR Neocuproine hydrochloride monohydrate, 99%

Fluorescein, ACROS Organics™

CAS: 2321-07-5 Molecular Formula: C20H12O5 Molecular Weight (g/mol): 332.31 MDL Number: 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 100GR Fluorescein, pure

Alfa Aesar™ 2-Methyltetrahydrofuran-3-one, 98+%

CAS: 3188-00-9 Molecular Formula: C5H8O2 Molecular Weight (g/mol): 100.117 MDL Number: MFCD00010423 InChI Key: FCWYQRVIQDNGBI-UHFFFAOYSA-N Synonym: 2-methyltetrahydrofuran-3-one, 2-methyl tetrahydro-3-furanone, 2-methyltetrahydro-3-furanone, 3 2h-furanone, dihydro-2-methyl, dihydro-2-methyl-3 2h-furanone, coffee furanone, dihydro-2-methyl-3-furanone, tetrahydro-2-methylfuran-3-one, 2-methyl-3-oxotetrahydrofuran, 2-methyl-3-ketotetrahydrofuran PubChem CID: 18522 IUPAC Name: 2-methyloxolan-3-one SMILES: CC1C(=O)CCO1 2-METHYLTETRAHYDROFURAN-3-ONE, 98%,25G

Alfa Aesar™ 2-Acetylfuran, 99%

CAS: 1192-62-7 Molecular Formula: C6H6O2 Molecular Weight (g/mol): 110.112 MDL Number: MFCD00003242 InChI Key: IEMMBWWQXVXBEU-UHFFFAOYSA-N Synonym: 2-acetylfuran, acetylfuran, 1-furan-2-yl ethanone, 2-furyl methyl ketone, methyl 2-furyl ketone, 1-2-furyl ethanone, 2-furylethanone, 2-acetyl furan, ketone, 2-furyl methyl, ethanone, 1-2-furanyl PubChem CID: 14505 ChEBI: CHEBI:59983 IUPAC Name: 1-(furan-2-yl)ethanone SMILES: CC(=O)C1=CC=CO1 2-ACETYLFURAN, 99% 50G

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 25GR Cycloheximide, 95%

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

Ethyl Isonipecotate 98+%, ACROS Organics™

CAS: 1126-09-6 Molecular Formula: C8H15NO2 Molecular Weight (g/mol): 157.213 MDL Number: MFCD00006003 InChI Key: RUJPPJYDHHAEEK-UHFFFAOYSA-N Synonym: ethyl 4-piperidinecarboxylate, ethyl isonipecotate, piperidine-4-carboxylic acid ethyl ester, ethylpiperidine-4-carboxylate, 4-piperidinecarboxylic acid, ethyl ester, isonipecotic acid ethyl ester, 4-piperidinecarboxylic acid ethyl ester, 4-carbethoxypiperidine, 4-carboethoxypiperidine, 4-ethoxycarbonyl piperidine PubChem CID: 70770 IUPAC Name: ethyl piperidine-4-carboxylate SMILES: CCOC(=O)C1CCNCC1 100GR Ethyl isonipecotate, 98+%

1,3-Dioxolane, 99.5+%, pure, stabilized, ACROS Organics™

CAS: 646-06-0 Molecular Formula: C3H6O2 Molecular Weight (g/mol): 74.08 MDL Number: MFCD00003207 InChI Key: WNXJIVFYUVYPPR-UHFFFAOYSA-N Synonym: dioxolane, glycolformal, formal glycol, 1,3-dioxolan, 1,3-dioxacyclopentane, 1,3-dioxalane, ethylene glycol formal, glycol methylene ether, glycol formal, dioxolan czech PubChem CID: 31404 ChEBI: CHEBI:34247 IUPAC Name: 2,6-ditert-butyl-4-methylphenol SMILES: CC1=CC(=C(C(=C1)C(C)(C)C)O)C(C)(C)C 25LT 1,3-Dioxolane, 99.5+%, pure, stabilized

Alfa Aesar™ 2-Furonitrile, 98+%

CAS: 617-90-3 Molecular Formula: C5H3NO Molecular Weight (g/mol): 93.085 MDL Number: MFCD00003223 InChI Key: YXDXXGXWFJCXEB-UHFFFAOYSA-N Synonym: 2-furonitrile, 2-cyanofuran, 2-furancarbonitrile, 2-furyl cyanide, unii-2lrk86h722, .alpha.-furyl cyanide, pubchem6961, acmc-209mwb, 2-furonitrile, 2-cyanofuran;2-furancarbonitrile PubChem CID: 69245 IUPAC Name: furan-2-carbonitrile SMILES: C1=COC(=C1)C#N 2-FURONITRILE, 98+% 5G

Azur eosin methylene-blue, pure, solution according to Giemsa, ACROS Organics™

100ML Azur eosin methylene-blue, pure, solution according to Giemsa

Piperine 98%, ACROS Organics™

CAS: 94-62-2 Molecular Formula: C17H19NO3 Molecular Weight (g/mol): 285.343 MDL Number: MFCD00005839 InChI Key: MXXWOMGUGJBKIW-YPCIICBESA-N Synonym: piperine, 1-piperoylpiperidine, piperin, bioperine, piperoylpiperidine, e,e-1-piperoylpiperidine, n-e,e-piperoyl piperidine, piperidine, 1-piperoyl-, e,e, unii-u71xl721qk, fema no. 2909 PubChem CID: 638024 ChEBI: CHEBI:28821 IUPAC Name: (2E,4E)-5-(1,3-benzodioxol-5-yl)-1-piperidin-1-ylpenta-2,4-dien-1-one SMILES: C1CCN(CC1)C(=O)C=CC=CC2=CC3=C(C=C2)OCO3 25GR Piperine, 98%

Nicotinic Acid 99.5%, ACROS Organics™

CAS: 59-67-6 Molecular Formula: C6H5NO2 Molecular Weight (g/mol): 123.111 MDL Number: MFCD00006391 InChI Key: PVNIIMVLHYAWGP-UHFFFAOYSA-N Synonym: nicotinic acid, niacin, 3-pyridinecarboxylic acid, 3-carboxypyridine, wampocap, acidum nicotinicum, apelagrin, pellagrin, akotin, daskil PubChem CID: 938 ChEBI: CHEBI:15940 IUPAC Name: pyridine-3-carboxylic acid SMILES: C1=CC(=CN=C1)C(=O)O 10KG Nicotinic acid, 99.5%

Quinoline, 99%, ACROS Organics™

CAS: 91-22-5 Molecular Formula: C9H7N Molecular Weight (g/mol): 129.162 MDL Number: MFCD00006736 InChI Key: SMWDFEZZVXVKRB-UHFFFAOYSA-N Synonym: chinolin, chinoline, 1-benzazine, quinolin, 1-azanaphthalene, chinoleine, leucol, benzo b pyridine, benzopyridine, leukol PubChem CID: 7047 ChEBI: CHEBI:17362 IUPAC Name: quinoline SMILES: C1=CC=C2C(=C1)C=CC=N2 5GR Quinoline, 99%

Allantoin 98%, ACROS Organics™

CAS: 97-59-6 Molecular Formula: C4H6N4O3 Molecular Weight (g/mol): 158.117 MDL Number: MFCD00005260 InChI Key: POJWUDADGALRAB-UHFFFAOYSA-N Synonym: allantoin, 5-ureidohydantoin, glyoxyldiureide, 1-2,5-dioxoimidazolidin-4-yl urea, glyoxyldiureid, allantol, cordianine, sebical, alantan, avc/dienestrolcream PubChem CID: 204 ChEBI: CHEBI:15676 IUPAC Name: (2,5-dioxoimidazolidin-4-yl)urea SMILES: C1(C(=O)NC(=O)N1)NC(=O)N 500GR Allantoin, 98%

Polyvinylpyrrolidone, average M.W. 58.000, K29-32, ACROS Organics™

CAS: 9003-39-8 Molecular Formula: C6H9NO Molecular Weight (g/mol): 111.144 MDL Number: MFCD01076626 InChI Key: WHNWPMSKXPGLAX-UHFFFAOYSA-N Synonym: n-vinyl-2-pyrrolidone, n-vinylpyrrolidone, 1-vinyl-2-pyrrolidone, 1-vinylpyrrolidin-2-one, n-vinyl-2-pyrrolidinone, vinylpyrrolidone, 2-pyrrolidinone, 1-ethenyl, 1-vinyl-2-pyrrolidinone, n-vinylpyrrolidinone, 1-vinylpyrrolidone PubChem CID: 6917 ChEBI: CHEBI:82551 IUPAC Name: 1-ethenylpyrrolidin-2-one SMILES: C=CN1CCCC1=O 500GR Polyvinylpyrrolidone, average M.W. 50.000, K30

Alfa Aesar™ 5-Methylpyrimidine, 97+%

CAS: 2036-41-1 Molecular Formula: C5H6N2 Molecular Weight (g/mol): 94.117 MDL Number: MFCD00047386 InChI Key: TWGNOYAGHYUFFR-UHFFFAOYSA-N Synonym: pyrimidine, 5-methyl, 5-methyl-pyrimidine, pyrimidine, 5-methyl-6ci,7ci,8ci,9ci, 5-methyl-pyrimidin, pubchem7207, rarechem am la 0031, 5-methyl-1,3-diazine, acmc-1cnd2, 5-methylpyrimidine, 5-methylpyrimidine, 97+% PubChem CID: 74859 IUPAC Name: 5-methylpyrimidine SMILES: CC1=CN=CN=C1 5-METHYLPYRIMIDINE, 98+% 250MG

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 1GR FerroZine

Ethyl 4-pyrazolecarboxylate, 98%, Acros Organics™

CAS: 37622-90-5 Molecular Formula: C6H8N2O2 Molecular Weight (g/mol): 140.142 MDL Number: MFCD00010844 InChI Key: KACZQOKEFKFNDB-UHFFFAOYSA-N Synonym: ethyl 4-pyrazolecarboxylate, ethyl pyrazole-4-carboxylate, 1h-pyrazole-4-carboxylic acid ethyl ester, 4-ethoxycarbonylpyrazole, 1h-pyrazole-4-carboxylic acid, ethyl ester, 4-pyrazolecarboxylic acid ethyl ester, ethyl4-pyrazolecarboxylate, zlchem 132, pubchem21939, acmc-209iug PubChem CID: 142179 IUPAC Name: ethyl 1H-pyrazole-4-carboxylate SMILES: CCOC(=O)C1=CNN=C1 500MG Ethyl 4-pyrazolecarboxylate, 98%

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