Heterocyclic Building Blocks

Theobromine, 99%, ACROS Organics™

CAS: 83-67-0 Molecular Formula: C7H8N4O2 Molecular Weight (g/mol): 180.17 MDL Number: MFCD00022830 InChI Key: YAPQBXQYLJRXSA-UHFFFAOYSA-N Synonym: theobromine, 3,7-dimethylxanthine, diurobromine, teobromin, theosalvose, theostene, santheose, thesodate, thesal, theobromin PubChem CID: 5429 ChEBI: CHEBI:28946 IUPAC Name: 3,7-dimethylpurine-2,6-dione SMILES: CN1C=NC2=C1C(=O)NC(=O)N2C 250GR Theobromine, 99%

Metronidazole, 99%, ACROS Organics™

CAS: 443-48-1 Molecular Formula: C6H9N3O3 Molecular Weight (g/mol): 171.16 MDL Number: MFCD00009750 InChI Key: VAOCPAMSLUNLGC-UHFFFAOYSA-N Synonym: metronidazole, metronidazol, flagyl, 2-methyl-5-nitroimidazole-1-ethanol, anagiardil, trichazol, gineflavir, meronidal, metronidaz, novonidazol PubChem CID: 4173 ChEBI: CHEBI:6909 IUPAC Name: 2-(2-methyl-5-nitroimidazol-1-yl)ethanol SMILES: CC1=NC=C(N1CCO)[N+](=O)[O-] 5GR Metronidazole, 99%

Alcian Blue 8GX, certified, ACROS Organics™

CAS: 33864-99-2 Molecular Formula: C56H68Cl4CuN16S4 Molecular Weight (g/mol): 1298.858 MDL Number: MFCD00010720 InChI Key: CKLBXIYTBHXJEH-UHFFFAOYSA-J Synonym: Ingrain Blue 1 PubChem CID: 17749099 SMILES: CN(C)C(=[N+](C)C)SCC1=CC2=C(C=C1)C3=NC4=C5C=C(C=CC5=C([N-]4)N=C6C7=C(C=CC(=C7)CSC(=[N+](C)C)N(C)C)C(=N6)N=C8C9=C(C=CC(=C9)CSC(=[N+](C)C)N(C)C)C(=N8)N=C2[N-]3)CSC(=[N+](C)C)N(C)C.[Cl-].[Cl-].[Cl-].[Cl-].[Cu+2] 25GR Alcian Blue 8GX, certified

Alfa Aesar™ 3-Aminophthalhydrazide, 98%

CAS: 521-31-3 Molecular Formula: C8H7N3O2 Molecular Weight (g/mol): 177.163 MDL Number: MFCD00006890 InChI Key: HWYHZTIRURJOHG-UHFFFAOYSA-N Synonym: luminol, 3-aminophthalhydrazide, 3-aminophthalic hydrazide, 5-amino-2,3-dihydro-1,4-phthalazinedione, 1,4-phthalazinedione, 5-amino-2,3-dihydro, 3-aminophthalic acid hydrazide, 5-amino-1,2,3,4-tetrahydrophthalazine-1,4-dione, unii-5exp385q4f, ccris 5962, 3-aminophthalylhydrazide PubChem CID: 10638 IUPAC Name: 5-amino-2,3-dihydrophthalazine-1,4-dione SMILES: C1=CC2=C(C(=C1)N)C(=O)NNC2=O 3-AMINOPHTHALHYDRAZIDE, 98%,100G

Alfa Aesar™ 1H-Benzotriazol-1-yloxytri(1-pyrrolidinyl)phosphonium hexafluorophosphate, 98%

CAS: 128625-52-5 Molecular Formula: C18H28F6N6OP2 Molecular Weight (g/mol): 520.401 MDL Number: MFCD00077411 InChI Key: VIAFLMPQBHAMLI-UHFFFAOYSA-N Synonym: pybop, 1h-benzo d 1,2,3 triazol-1-yl oxy tri pyrrolidin-1-yl phosphonium hexafluorophosphate v, benzotriazol-1-yloxy tripyrrolidinophosphonium hexafluorophosphate, benzotriazole-1-yl-oxytripyrrolidinophosphonium hexafluorophosphate, benzotriazol-1-yl-oxytripyrrolidinophosphonium hexafluorophosphate, 1h-benzotriazol-1-yloxytripyrrolidinophosphonium hexafluorophosphate, benzotriazol-1-yloxytris pyrrolidino phosphonium hexafluorophosphate, benzotriazole-1-yl-oxy-tris-pyrrolidino-phosphonium hexafluorophosphate, benzotriazol-1-yl-oxy-tripyrrolidinophosphonium hexafluorophosphate, benzotriazol-1-yl-oxytripyrrolidinphosphonium hexafluorophosphate PubChem CID: 2724699 IUPAC Name: benzotriazol-1-yloxy(tripyrrolidin-1-yl)phosphanium;hexafluorophosphate SMILES: C1CCN(C1)[P+](N2CCCC2)(N3CCCC3)ON4C5=CC=CC=C5N=N4.F[P-](F)(F)(F)(F)F PYBOP 25G

Alfa Aesar™ Dichloroisocyanuric acid sodium salt, 97% (dry wt.), water <3%

CAS: 2893-78-9 Molecular Formula: C3HCl2N3NaO3 Molecular Weight (g/mol): 220.949 MDL Number: MFCD00006036 InChI Key: UNWRHVZXVVTASG-UHFFFAOYSA-N Synonym: sodium dichlorocyanuric acid, 1,3,5-triazine-2,4,6 1h,3h,5h-trione, 1,3-dichloro-, sodium salt PubChem CID: 86657659 IUPAC Name: 1,3-dichloro-1,3,5-triazinane-2,4,6-trione;sodium SMILES: C1(=O)NC(=O)N(C(=O)N1Cl)Cl.[Na] DICHLOROISOCYANURIC ACID, SODIUM SALT, 98%,100G

Bilirubin, 99%, ACROS Organics™

CAS: 635-65-4 Molecular Formula: C33H36N4O6 Molecular Weight (g/mol): 584.673 MDL Number: MFCD00005499 InChI Key: BPYKTIZUTYGOLE-IFADSCNNSA-N Synonym: bilirubin, hematoidin, hemetoidin, bilirubin ix-alpha, principal bile pigment, unii-rfm9x3lj49, bilirubin ixalpha, 21h-biline-8,12-dipropanoic acid, 2,17-diethenyl-1,10,19,22,23,24-hexahydro-3,7,13,18-tetramethyl-1,19-dioxo, rfm9x3lj49, biline-8,12-dipropionic acid, 1,10,19,22,23,24-hexahydro-2,7,13,17-tetramethyl-1,19-dioxo-3,18-divinyl PubChem CID: 5280352 ChEBI: CHEBI:16990 IUPAC Name: 3-[2-[[3-(2-carboxyethyl)-5-[(Z)-(3-ethenyl-4-methyl-5-oxopyrrol-2-ylidene)methyl]-4-methyl-1H-pyrrol-2-yl]methyl]-5-[(Z)-(4-ethenyl-3-methyl-5-oxopyrrol-2-ylidene)methyl]-4-methyl-1H-pyrrol-3-yl]propanoic acid SMILES: CC1=C(NC(=C1CCC(=O)O)CC2=C(C(=C(N2)C=C3C(=C(C(=O)N3)C)C=C)C)CCC(=O)O)C=C4C(=C(C(=O)N4)C=C)C 5GR Bilirubin, 99%

Alfa Aesar™ 1,4-Butanediol diglycidyl ether, 96%

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 1,4-BUTANEDIOL DIGLYCIDYL ETHER, 96%,50G

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

Epichlorohydrin, 99%, ACROS Organics™

CAS: 106-89-8 Molecular Formula: C3H5ClO Molecular Weight (g/mol): 92.52 InChI Key: BRLQWZUYTZBJKN-UHFFFAOYSA-N Synonym: epichlorohydrin, 2-chloromethyl oxirane, epichlorhydrin, 1-chloro-2,3-epoxypropane, glycidyl chloride, oxirane, chloromethyl, epichlorhydrine, 1,2-epoxy-3-chloropropane, 2,3-epoxypropyl chloride, chloropropylene oxide PubChem CID: 7835 ChEBI: CHEBI:37144 IUPAC Name: 2-(chloromethyl)oxirane SMILES: C1C(O1)CCl 1LT Epichlorohydrin, 99%

Piperazine hexahydrate, 98%, ACROS Organics™

CAS: 142-63-2 Molecular Formula: C4H10N2·6H2O Molecular Weight (g/mol): 194.23 MDL Number: MFCD00149389 InChI Key: AVRVZRUEXIEGMP-UHFFFAOYSA-N Synonym: piperazine hexahydrate, arthriticine, piperazine, hexahydrate, vermisol, parid, unii-p3m07b8u64, usaf a-3803, diethylenediamine hexahydrate, vermyl tn PubChem CID: 120181 IUPAC Name: piperazine;hexahydrate SMILES: C1CNCCN1.O.O.O.O.O.O 500GR Piperazine hexahydrate, 98%

Imidazole, ACS reagent, ACROS Organics™

CAS: 288-32-4 Molecular Formula: C3H4N2 Molecular Weight (g/mol): 68.08 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 100GR Imidazole, ACS reagent

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%

Pyridine, Acros Organics™

1LT Pyridine, for HPLC

Alfa Aesar™ 5-(4-Dimethylaminobenzylidene)rhodanine 98%

CAS: 536-17-4 Molecular Formula: C12H12N2OS2 Molecular Weight (g/mol): 264.361 MDL Number: MFCD00064857 InChI Key: JJRVRELEASDUMY-UHFFFAOYSA-N Synonym: unii-0ser53q7rt, p-dimethylaminobenzalrhodanine, 5-4-dimethylaminobenzylidene rhodanine, 0ser53q7rt, usaf pd-20, 4-dimethylaminobenzylidenerhodanine, 4-thiazolidinone, 5-4-dimethylamino phenyl methylene-2-thioxo, 5-p-dimethylaminobenzal rhodanine, p-dimethylaminobenzylidene rhodamine, p-dimethylamino benzal-5-rhodanine PubChem CID: 2723826 IUPAC Name: 5-[[4-(dimethylamino)phenyl]methylidene]-2-sulfanylidene-1,3-thiazolidin-4-one SMILES: CN(C)C1=CC=C(C=C1)C=C2C(=O)NC(=S)S2 4-DIMETHYLAMINOBENZALRHODANINE, 98%,25G

Cytochalasin B, ACROS Organics™

CAS: 14930-96-2 Molecular Formula: C29H37NO5 Molecular Weight (g/mol): 479.6 MDL Number: MFCD00077704 InChI Key: GBOGMAARMMDZGR-FFXRSMCQSA-N Synonym: cytochalasin b, cytochalasin b from helminthosporium dematioideum PubChem CID: 44634701 SMILES: CC1CCCC(C=CC(=O)OC23C(C=CC1)C(C(=C)C(C2C(NC3=O)CC4=CC=CC=C4)C)O)O 5MG Cytochalasin B

Alfa Aesar™ Thymolphthalein

CAS: 125-20-2 Molecular Formula: C28H30O4 Molecular Weight (g/mol): 430.544 MDL Number: MFCD00005909 InChI Key: LDKDGDIWEUUXSH-UHFFFAOYSA-N Synonym: thymolphthalein, thymophthalein, unii-yg5i28wsqp, yg5i28wsqp, phenolphthalein, 5',5-diisopropyl-2',2-dimethyl, 3,3-bis 4-hydroxy-5-isopropyl-2-methylphenyl-2-benzofuran-1 3h-one, 1 3h-isobenzofuranone, 3,3-bis 4-hydroxy-2-methyl-5-1-methylethyl phenyl, 5',5-diisopropyl-2',2-dimethylphenolphthalein, 3,3-bis 4-hydroxy-2-methyl-5-propan-2-ylphenyl-2-benzofuran-1-one PubChem CID: 31316 IUPAC Name: 3,3-bis(4-hydroxy-2-methyl-5-propan-2-ylphenyl)-2-benzofuran-1-one SMILES: CC1=CC(=C(C=C1C2(C3=CC=CC=C3C(=O)O2)C4=CC(=C(C=C4C)O)C(C)C)C(C)C)O THYMOLPHTHALEIN 250G

4-(2-Pyridylazo)resorcinol monosodium salt monohydrate, 99+%, ACROS Organics™

CAS: 16593-81-0 Molecular Formula: C11H8N3NaO2·H2O Molecular Weight (g/mol): 255.21 MDL Number: MFCD00150712 InChI Key: XBISYIUQFCOTKJ-UHFFFAOYSA-N Synonym: 4-2-pyridylazo resorcinol monosodium saltmonohydrate PubChem CID: 132988475 IUPAC Name: 3-hydroxy-4-(pyridin-2-ylhydrazinylidene)cyclohexa-2,5-dien-1-one;sodium;hydrate SMILES: C1=CC=NC(=C1)NN=C2C=CC(=O)C=C2O.O.[Na] 100GR 4-(2-Pyridylazo)resorcinol monosodium salt monohydrate, 99+%

Riboflavin, 98%, ACROS Organics™

CAS: 83-88-5 Molecular Formula: C17H20N4O6 Molecular Weight (g/mol): 376.36 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%

1,4-Dioxa-8-azaspiro[4.5]decane, 98%, ACROS Organics™

CAS: 177-11-7 Molecular Formula: C7H13NO2 Molecular Weight (g/mol): 143.19 MDL Number: MFCD00005976 InChI Key: KPKNTUUIEVXMOH-UHFFFAOYSA-N Synonym: 1,4-dioxa-8-azaspiro 4.5 decane, 4-piperidone ethylene ketal, 4-piperidinone ethyl ketal, 4-piperidone-ethylene ketal, 4-piperidone ethylene acetal, 1,4-dioxa-8-azaspiro 4,5 decane, 4-piperidoneethyleneketal, piperidone-4-ethyleneketal, 1,4-dioxa-8-aza-spiro 4.5 decane PubChem CID: 67435 IUPAC Name: 1,4-dioxa-8-azaspiro[4.5]decane SMILES: C1CNCCC12OCCO2 50GR 1,4-Dioxa-8-azaspiro¢4.5!decane, 98%

trans-Zeatin-riboside, 97%, ACROS Organics™

50MG trans-Zeatin-riboside, 97%

Alfa Aesar™ 4-(3-Piperidinyloxy)benzamide, 96%

CAS: 912761-79-6 Molecular Formula: C12H16N2O2 Molecular Weight (g/mol): 220.272 MDL Number: MFCD08061104 InChI Key: OONWJLYEKQSBAT-UHFFFAOYSA-N Synonym: 4-3-piperidinyloxy benzamide, 4-piperidin-3-yloxy benzamide, 4-piperidin-3-yl oxy benzamide, 4-piperidin-3-yloxy-benzamide PubChem CID: 44721292 IUPAC Name: 4-piperidin-3-yloxybenzamide SMILES: C1CC(CNC1)OC2=CC=C(C=C2)C(=O)N 4-(PIPERIDIN-3-YLOXY)BENZAMIDE250MG

Bacitracin, zinc salt, potency min. 60 Units/mg, ACROS Organics™

CAS: 1405-89-6 MDL Number: MFCD16661228 Synonym: Zinc bacitracin 5GR Bacitracin, zinc salt, potency min. 60 Units/mg

8-Hydroxyquinaldine, 98%, Acros Organics

CAS: 826-81-3 Molecular Formula: C10H9NO Molecular Weight (g/mol): 159.19 MDL Number: MFCD00006765 InChI Key: NBYLBWHHTUWMER-UHFFFAOYSA-N Synonym: 8-hydroxyquinaldine, 2-methyl-8-hydroxyquinoline, 2-methyl-8-quinolinol, 8-quinolinol, 2-methyl, 2-methyloxine, 8-hydroxy-2-methylquinoline, hydroxyquinaldine, 8-hydroxyqinaldine, 2-methyl-quinolin-8-ol, 2-methyl 8-quinolonol PubChem CID: 13224 IUPAC Name: 2-methylquinolin-8-ol SMILES: CC1=NC2=C(C=CC=C2O)C=C1 25GR 8-Hydroxyquinaldine, 98%

Alfa Aesar™ Coumarin-3-carbonitrile, 97%

CAS: 15119-34-3 Molecular Formula: C10H5NO2 Molecular Weight (g/mol): 171.155 MDL Number: MFCD00115699 InChI Key: QKJALQPLNMEDAV-UHFFFAOYSA-N Synonym: 3-cyanocoumarin, 2-oxo-2h-chromene-3-carbonitrile, coumarin-3-carbonitrile, 2h-1-benzopyran-3-carbonitrile, 2-oxo, 2-oxo-2h-1-benzopyran-3-carbonitrile, coumarin, 3-cyano-7ci,8ci, 3-cyano-coumarin, pubchem8675, acmc-1cfdq PubChem CID: 203763 IUPAC Name: 2-oxochromene-3-carbonitrile SMILES: C1=CC=C2C(=C1)C=C(C(=O)O2)C#N COUMARIN-3-CARBONITRILE, 97% 5G

4-Oxo-3-aza-tricyclo[4.2.1.0(2.5)]non-7-ene, 99%, ACROS Organics™

CAS: 14735-70-7 Molecular Formula: C8H9NO Molecular Weight (g/mol): 135.17 MDL Number: MFCD00143363 InChI Key: WBZQHVKGKQXWMW-IBJXHFRJSA-N Synonym: 3-aza-tricyclo 4.2.1.0 2,5 non-7-en-4-one PubChem CID: 130862428 SMILES: C1C2C=CC1C3C2C(=O)N3 5GR 4-Oxo-3-aza-tricyclo¢4.2.1.0(2.5)!non-7-ene, 99%

DL-Lactide, 99%, Acros Organics

CAS: 95-96-5 Molecular Formula: C6H8O4 Molecular Weight (g/mol): 144.13 MDL Number: MFCD00011685 InChI Key: JJTUDXZGHPGLLC-UHFFFAOYSA-N Synonym: dl-lactide, lactide, dilactide, 1,4-dioxane-2,5-dione, 3,6-dimethyl, 3,6-dimethyl-2,5-dioxo-1,4-dioxane, lactic acid, bimol. cyclic ester, propanoic acid, 2-hydroxy-, bimol. cyclic ester, p-dioxane-2,5-dione, 3,6-dimethyl, d +-lactide, --l-dilactide PubChem CID: 7272 IUPAC Name: 3,6-dimethyl-1,4-dioxane-2,5-dione SMILES: CC1C(=O)OC(C(=O)O1)C 25GR DL-Lactide, 99%

Alfa Aesar™ 2-Amino-4,6-dimethylpyrimidine, 98%

CAS: 767-15-7 Molecular Formula: C6H9N3 Molecular Weight (g/mol): 123.159 MDL Number: MFCD00006102 InChI Key: IDQNBVFPZMCDDN-UHFFFAOYSA-N Synonym: 2-amino-4,6-dimethylpyrimidine, acetylacetoneguanidine, 2-pyrimidinamine, 4,6-dimethyl, 4,6-dimethyl-2-pyrimidinamine, 4,6-dimethylpyrimidin-2-ylamine, 4,6-dimethyl-2-aminopyrimidine, pyrimidine, 2-amino-4,6-dimethyl, unii-4s48mi253m, 2-amine-4,6-dimethylpyrimidine, 2-amino-4,6-dimethyl pyrimidine PubChem CID: 13021 IUPAC Name: 4,6-dimethylpyrimidin-2-amine SMILES: CC1=CC(=NC(=N1)N)C 2-AMINO-4,6-DIMETHYLPYRIMIDINE, 98%,100G

2-Amino-6-bromopyridine, 98%, ACROS Organics™

CAS: 19798-81-3 Molecular Formula: C5H5BrN2 Molecular Weight (g/mol): 173.01 InChI Key: BKLJUYPLUWUEOQ-UHFFFAOYSA-N Synonym: 2-amino-6-bromopyridine, 6-bromo-2-pyridinamine, aminobromopyridine, 6-bromo-2-aminopyridine, 6-bromo-pyridin-2-ylamine, 2-pyridinamine, 6-bromo, 6-bromo-2-pyridylamine, 2-amino-6-bromo-pyridine, zlchem 805, pubchem7663 PubChem CID: 300809 IUPAC Name: 6-bromopyridin-2-amine SMILES: C1=CC(=NC(=C1)Br)N 100GR 2-Amino-6-bromopyridine, 98%

2,2'-Dithiodipyridine, 98%, ACROS Organics™

CAS: 2127-03-9 Molecular Formula: C10H8N2S2 Molecular Weight (g/mol): 220.32 MDL Number: MFCD00006287 InChI Key: HAXFWIACAGNFHA-UHFFFAOYSA-N Synonym: 2,2'-dithiodipyridine, 2,2'-dipyridyl disulfide, 1,2-di pyridin-2-yl disulfane, aldrithiol-2, 2,2'-dipyridyldisulfide, aldrithiol 2, bis 2-pyridyl disulfide, 2-pyridin-2-yldisulfanyl pyridine, 2-dipyridyl disulfide, 2-pyridinyl disulfide PubChem CID: 65093 IUPAC Name: 2-(pyridin-2-yldisulfanyl)pyridine SMILES: C1=CC=NC(=C1)SSC2=CC=CC=N2 25GR 2,2'-Dithiodipyridine, 98%

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