Heterocyclic Building Blocks

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-] 1KG Thiamine hydrochloride, %, 98.5-101.5%

Eosin Y, pure, Indicator grade, ACROS Organics™

CAS: 17372-87-1 Molecular Formula: C20H12Br4Na2O8 Molecular Weight (g/mol): 745.904 MDL Number: MFCD00005040 InChI Key: MASXMTNVNASWNH-UHFFFAOYSA-L Synonym: 2';,4';,5';,7';-Tetrabromofluorescein, disodium salt, Eosin Yellowish, 2';, 4';, 5'; PubChem CID: 91886399 IUPAC Name: disodium;2-(2,4,5,7-tetrabromo-3-oxido-6-oxoxanthen-9-yl)benzoate;trihydrate SMILES: C1=CC=C(C(=C1)C2=C3C=C(C(=O)C(=C3OC4=C(C(=C(C=C24)Br)[O-])Br)Br)Br)C(=O)[O-].O.O.O.[Na+].[Na+] 250GR Eosin Y, pure, Indicator grade

Eosin Y, pure, certified, ACROS Organics™

25GR Eosin Y, pure, certified

3-Methylfuran, 98%, ACROS Organics™

1GR 3-Methylfuran, 98%

L(-)-Proline, 99+%, ACROS Organics™

CAS: 147-85-3 Molecular Formula: C5H9NO2 Molecular Weight (g/mol): 115.132 MDL Number: MFCD00064318 InChI Key: ONIBWKKTOPOVIA-BYPYZUCNSA-N Synonym: l-proline, proline, l---proline, s-pyrrolidine-2-carboxylic acid, 2-pyrrolidinecarboxylic acid, --proline, --s-proline, 2s-pyrrolidine-2-carboxylic acid, prolinum, h-pro-oh PubChem CID: 145742 ChEBI: CHEBI:17203 IUPAC Name: (2S)-pyrrolidine-2-carboxylic acid SMILES: C1CC(NC1)C(=O)O 25GR L(-)-Proline, 99+%

Rhodamine 123, +99%, ACROS Organics™

CAS: 62669-70-9 Molecular Formula: C21H19ClN2O4 Molecular Weight (g/mol): 398.843 MDL Number: MFCD00012664 InChI Key: SEXIURXGNASJRB-UHFFFAOYSA-N PubChem CID: 16211830 IUPAC Name: methyl 2-(3-amino-6-iminoxanthen-9-yl)benzoate;hydrate;hydrochloride SMILES: COC(=O)C1=CC=CC=C1C2=C3C=CC(=N)C=C3OC4=C2C=CC(=C4)N.O.Cl 500MG Rhodamine 123, 99+%, pure

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 1GR Scopolamine hydrobromide trihydrate, 99%

Acetaldehyde Ammonia Trimer 98%, ACROS Organics™

CAS: 58052-80-5 Molecular Formula: C6H21N3O3 Molecular Weight (g/mol): 183.252 InChI Key: VNJBGAOFYNEMRG-UHFFFAOYSA-N Synonym: 2,4,6-trimethyl-1,3,5-triazinane trihydrate, acetaldehyde ammonia trimer, hexahydro-2,4,6-trimethyl-1,3,5-triazine trihydrate, 1,3,5-triazine, hexahydro-2,4,6-trimethyl-, trihydrate, acetaldehyde ammonia trimer trihydrate, 2,4,6-trimethyl-1,3,5-triazaperhydroine, hydrate, hydrate, hydrate, acetaldehydeammoniatrimer, acmc-1bm0n, acetaldehyde-ammonia trimer trihydrate, acetaldehyde ammonia trimer nt PubChem CID: 2723814 IUPAC Name: 2,4,6-trimethyl-1,3,5-triazinane;trihydrate SMILES: CC1NC(NC(N1)C)C.O.O.O 25GR Acetaldehyde ammonia trimer, 98%

2,5-Dimercapto-1,3,4-thiadiazole 98%, ACROS Organics™

CAS: 1072-71-5 Molecular Formula: C2H2N2S3 Molecular Weight (g/mol): 150.232 MDL Number: MFCD00003103 InChI Key: BIGYLAKFCGVRAN-UHFFFAOYSA-N Synonym: 1,3,4-thiadiazole-2,5-dithiol, 2,5-dimercapto-1,3,4-thiadiazole, bismuthiol i, dimercaptothiadiazole, bismuththiol, 2,5-dimercaptothiadiazole, usaf a-8354, bismuthiol, py 61h, bismuththiol i PubChem CID: 2723630 IUPAC Name: 1,3,4-thiadiazolidine-2,5-dithione SMILES: C1(=S)NNC(=S)S1 5GR 2,5-Dimercapto-1,3,4-thiadiazole, 98%

3-Methoxypyridine 97%, ACROS Organics™

CAS: 7295-76-3 Molecular Formula: C6H7NO Molecular Weight (g/mol): 109.128 MDL Number: MFCD00673022 InChI Key: UMJSCPRVCHMLSP-UHFFFAOYSA-N Synonym: pyridine, 3-methoxy, beta-methoxypyridine, 3-methyoxypyridine, unii-xv2a2d8595, .beta.-methoxypyridine, 3-methoxy pyridine, 3-methoxypiridine, 3-methoxy-pyridine, pubchem15370, acmc-209oov PubChem CID: 23719 IUPAC Name: 3-methoxypyridine SMILES: COC1=CN=CC=C1 1GR 3-Methoxypyridine, 97%

N-Methylmorpholine, 99%, ACROS Organics™

CAS: 109-02-4 Molecular Formula: C5H11NO Molecular Weight (g/mol): 101.149 MDL Number: 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-Methylmorpholine, 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 500GR L-Histidine, 98%

1,8-Diazabicyclo[5.4.0]undec-7-ene, 98+%, Acros Organics™

CAS: 6674-22-2 Molecular Formula: C9H16N2 Molecular Weight (g/mol): 152.241 MDL Number: MFCD00006930 InChI Key: GQHTUMJGOHRCHB-UHFFFAOYSA-N Synonym: 1,8-diazabicyclo 5.4.0 undec-7-ene, 2,3,4,6,7,8,9,10-octahydropyrimido 1,2-a azepine, 1,8-diazabicyclo 5.4.0 undec-7-ene, polycat dbu, dbu, unii-h1ilj6ibux, pyrimido 1,2-a azepine, 2,3,4,6,7,8,9,10-octahydro, 1,8-diazabicyclo 5.4.0-7-undecene, h1ilj6ibux, 1,8-diazabicyclo 5,4,0 undec-7-ene PubChem CID: 81184 IUPAC Name: 2,3,4,6,7,8,9,10-octahydropyrimido[1,2-a]azepine SMILES: C1CCC2=NCCCN2CC1 25GR 1,8-Diazabicyclo¬Ę5.4.0!undec-7-ene, 98%

1,10-Phenanthroline monohydrate, ACS reagent, ACROS Organics™

CAS: 5144-89-8 Molecular Formula: C12H10N2O Molecular Weight (g/mol): 198.225 MDL Number: MFCD00149973 InChI Key: PPQJCISYYXZCAE-UHFFFAOYSA-N Synonym: 1,10-phenanthroline hydrate, 1,10-phenanthroline monohydrate, o-phenanthroline monohydrate, unii-ksx215x00e, 1,10-fenantrolina, 4,5-phenanthroline monohydrate, 1,10-phenanthroline, monohydrate, 1,10-fenanthrolin, 1,10-phenanthrolineo-phenanthroline, 1, 10-phenanthroline monohydrate PubChem CID: 21226 IUPAC Name: 1,10-phenanthroline;hydrate SMILES: C1=CC2=C(C3=C(C=CC=N3)C=C2)N=C1.O 100GR 1,10-Phenanthroline monohydrate, ACS reagent

Alfa Aesar™ 1,3-Dimethyl-2-imidazolidinone, 98%

CAS: 80-73-9 Molecular Formula: C5H10N2O Molecular Weight (g/mol): 114.148 MDL Number: MFCD00003188 InChI Key: CYSGHNMQYZDMIA-UHFFFAOYSA-N Synonym: 1,3-dimethyl-2-imidazolidinone, n,n'-dimethylethyleneurea, dimethyl imidazolidinone, n,n'-dimethylimidazolidinone, 1,3-dimethylimidazolidone, rhonite 1, dmeu, karbomos tsem, 2-imidazolidinone, 1,3-dimethyl, 1,3-dimethylethyleneurea PubChem CID: 6661 IUPAC Name: 1,3-dimethylimidazolidin-2-one SMILES: CN1CCN(C1=O)C 1,3-DIMETHYL-2-IMIDAZOLIDINONE, 98+%,500G

Alfa Aesar™ Ethyl nicotinate, 99%

CAS: 614-18-6 Molecular Formula: C8H9NO2 Molecular Weight (g/mol): 151.165 MDL Number: MFCD00006389 InChI Key: XBLVHTDFJBKJLG-UHFFFAOYSA-N Synonym: ethyl nicotinate, ethyl nicotinoate, nicotinic acid ethyl ester, ethyl 3-pyridinecarboxylate, 3-pyridinecarboxylic acid, ethyl ester, ethylnicotinate, nicotinic acid, ethyl ester, mucotherm, nicaethan, nikethan PubChem CID: 69188 IUPAC Name: ethyl pyridine-3-carboxylate SMILES: CCOC(=O)C1=CN=CC=C1 ETHYL NICOTINATE, 99% 500G

Eosin Y, pure, high purity, biological stain, ACROS Organics™

CAS: 17372-87-1 Molecular Formula: C20H12Br4Na2O8 Molecular Weight (g/mol): 745.904 MDL Number: MFCD00005040 InChI Key: MASXMTNVNASWNH-UHFFFAOYSA-L Synonym: 2',4',5',7'-Tetrabromofluorescein, disodium salt, Eosin Yellowish, 2', 4', 5' PubChem CID: 91886399 IUPAC Name: disodium;2-(2,4,5,7-tetrabromo-3-oxido-6-oxoxanthen-9-yl)benzoate;trihydrate SMILES: C1=CC=C(C(=C1)C2=C3C=C(C(=O)C(=C3OC4=C(C(=C(C=C24)Br)[O-])Br)Br)Br)C(=O)[O-].O.O.O.[Na+].[Na+] 500GR Eosin Y, pure, high purity, biological stain

Levamisole hydrochloride, 99+%, ACROS Organics™

CAS: 16595-80-5 Molecular Formula: C11H13ClN2S Molecular Weight (g/mol): 240.749 MDL Number: MFCD00012675 InChI Key: LAZPBGZRMVRFKY-HNCPQSOCSA-N Synonym: levamisole hydrochloride, levamisole hcl, ergamisol, tramisol, tramisole, decaris, --tetramisole hydrochloride, niratic hydrochloride, ascaridil, dekaris PubChem CID: 27944 ChEBI: CHEBI:6433 IUPAC Name: (6S)-6-phenyl-2,3,5,6-tetrahydroimidazo[2,1-b][1,3]thiazole;hydrochloride SMILES: C1CSC2=NC(CN21)C3=CC=CC=C3.Cl 50GR Levamisole hydrochloride, 99+%

Alfa Aesar™ 2-Bromopyridine, 99%

CAS: 109-04-6 Molecular Formula: C5H4BrN Molecular Weight (g/mol): 157.998 MDL Number: MFCD00006219 InChI Key: IMRWILPUOVGIMU-UHFFFAOYSA-N Synonym: o-bromopyridine, pyridine, 2-bromo, 2-bromo-pyridine, 2-pyridyl bromide, alpha-bromopyridine, beta-bromopyridine, bromopyridine, 2-bromopyridin, 2-bromo pyridine, unii-7z7mlc4vd8 PubChem CID: 7973 ChEBI: CHEBI:51574 IUPAC Name: 2-bromopyridine SMILES: C1=CC=NC(=C1)Br 2-BROMOPYRIDINE, 99% 500G

Sulfolane, 99%, Alfa Aesar™

CAS: 126-33-0 Molecular Formula: C4H8O2S Molecular Weight (g/mol): 120.166 MDL Number: MFCD00005484 InChI Key: HXJUTPCZVOIRIF-UHFFFAOYSA-N Synonym: sulfolane, tetramethylene sulfone, tetrahydrothiophene 1,1-dioxide, sulfolan, sulpholane, sulfalone, sulphoxaline, 1,1-dioxothiolan, dioxothiolan, thiophan sulfone PubChem CID: 31347 ChEBI: CHEBI:74794 IUPAC Name: thiolane 1,1-dioxide SMILES: C1CCS(=O)(=O)C1 TETRAMETHYLENE SULFONE, 99%,5000G

1,4-Diazabicyclo[2.2.2]octane 97%, ACROS Organics™

CAS: 280-57-9 Molecular Formula: C6H12N2 Molecular Weight (g/mol): 112.176 MDL Number: MFCD00006689 InChI Key: IMNIMPAHZVJRPE-UHFFFAOYSA-N Synonym: 1,4-diazabicyclo 2.2.2 octane, triethylenediamine, dabco, dabco 33lv, 1,4-ethylenepiperazine, dabco crystal, 1,4-diazabicyclo 2.2.2 octane, teda, texacat td 100, dabco s-25 PubChem CID: 9237 IUPAC Name: 1,4-diazabicyclo[2.2.2]octane SMILES: C1CN2CCN1CC2 2.5KG 1,4-Diazabicyclo¬Ę2.2.2!octane, 97%

Norfloxacin, 98%, Analytical standard, ACROS Organics™

5GR Norfloxacin, 98%, analytical standard

Piperazine, 99%, extra pure, ACROS Organics™

CAS: 110-85-0 Molecular Formula: C4H10N2 Molecular Weight (g/mol): 86.138 MDL Number: MFCD00005953 InChI Key: GLUUGHFHXGJENI-UHFFFAOYSA-N Synonym: diethylenediamine, piperazin, 1,4-diazacyclohexane, hexahydropyrazine, piperazidine, antiren, 1,4-piperazine, diethyleneimine, eraverm, pipersol PubChem CID: 4837 ChEBI: CHEBI:28568 IUPAC Name: piperazine SMILES: C1CNCCN1 500GR Piperazine, 99%, extra pure

N-(2-Hydroxyethyl)piperazine 98.5%, ACROS Organics™

CAS: 103-76-4 Molecular Formula: C6H14N2O Molecular Weight (g/mol): 130.191 MDL Number: MFCD00005970 InChI Key: WFCSWCVEJLETKA-UHFFFAOYSA-N Synonym: n-2-hydroxyethyl piperazine, 1-piperazineethanol, 1-2-hydroxyethyl piperazine, hydroxyethylpiperazine, 2-1-piperazinyl ethanol, 2-hydroxyethylpiperazine, 2-piperazinoethanol, 2-piperazin-1-yl ethan-1-ol, 1-piperazinethanol, 4-2-hydroxyethyl piperazine PubChem CID: 7677 IUPAC Name: 2-piperazin-1-ylethanol SMILES: C1CN(CCN1)CCO 500GR N-(2-Hydroxyethyl)piperazine, 98.5%

Mitomycin C, contains 2 mg Mitomycin C and 48 mg NaCl, ACROS Organics™

2MG Mitomycin C, contains 2 mg Mitomycin C and 48mg NaCl

1-Methylimidazole, 99%, ACROS Organics™

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 500GR 1-Methylimidazole, 99%

L-Nicotine, 99+%, ACROS Organics™

CAS: 54-11-5 Molecular Formula: C10H14N2 Molecular Weight (g/mol): 162.236 InChI Key: SNICXCGAKADSCV-JTQLQIEISA-N Synonym: nicotine, l-nicotine, --nicotine, s-nicotine, habitrol, s-3-1-methylpyrrolidin-2-yl pyridine, nicoderm, nicotrol, s---nicotine, nicoderm cq PubChem CID: 89594 ChEBI: CHEBI:17688 IUPAC Name: 3-[(2S)-1-methylpyrrolidin-2-yl]pyridine SMILES: CN1CCCC1C2=CN=CC=C2 100GR L-Nicotine, 99+%

L(-)-Tryptophan 99%, ACROS Organics™

CAS: 73-22-3 Molecular Formula: C11H12N2O2 Molecular Weight (g/mol): 204.229 MDL Number: MFCD00064340 InChI Key: QIVBCDIJIAJPQS-VIFPVBQESA-N Synonym: l-tryptophan, tryptophan, l-tryptophane, s-tryptophan, tryptophane, h-trp-oh, optimax, trofan, tryptacin, ardeytropin PubChem CID: 6305 ChEBI: CHEBI:16828 IUPAC Name: (2S)-2-amino-3-(1H-indol-3-yl)propanoic acid SMILES: C1=CC=C2C(=C1)C(=CN2)CC(C(=O)O)N 100GR L(-)-Tryptophan, 99%

Furan-2-boronic acid, 97%, ACROS Organics™

CAS: 13331-23-2 Molecular Formula: C4H5BO3 Molecular Weight (g/mol): 111.891 MDL Number: MFCD00799544 InChI Key: PZJSZBJLOWMDRG-UHFFFAOYSA-N Synonym: 2-furanboronic acid, furan-2-boronic acid, 2-furylboronic acid, 2-furanylboronic acid, furan-2-ylboranediol, furan 2-boronic acid, 2-furan boronic acid, furan-2-yl boronic acid, boronic acid, furanyl, 2furylboronic acid PubChem CID: 2734357 IUPAC Name: furan-2-ylboronic acid SMILES: B(C1=CC=CO1)(O)O 1GR Furan-2-boronic acid, 97%

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