Diazines

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%

6-Oxo-1,6-dihydropyridazine-3-carboxylic acid monohydrate, 97%, Maybridge

CAS: 37972-69-3 Molecular Formula: C5H4N2O3 Molecular Weight (g/mol): 140.098 InChI Key: GIFSROMQVPUQFK-UHFFFAOYSA-N Synonym: 6-hydroxypyridazine-3-carboxylic acid, 6-hydroxy-3-pyridazinecarboxylic acid, 6-oxo-1,6-dihydropyridazine-3-carboxylic acid, 6-oxo-1,6-dihydro-pyridazine-3-carboxylic acid, 3-hydroxypyridazine-6-carboxylic acid, 3-pyridazinecarboxylic acid, 1,6-dihydro-6-oxo, 6-hydroxy-pyridazine-3-carboxylic acid, 6-oxo-1,6-dihydro-3-pyridazinecarboxylic acid, 3-pyridazinecarboxylicacid, 1,6-dihydro-6-oxo, 6-oxohydropyridazine-3-carboxylic acid PubChem CID: 305970 IUPAC Name: 6-oxo-1H-pyridazine-3-carboxylic acid SMILES: C1=CC(=O)NN=C1C(=O)O 25GR 6-Hydroxy-3-pyridazinecarboxylic acid monohydrate, 97%

Barbituric acid, 99+%, ACROS Organics™

100GR Barbituric acid, 99+%

6-Bromopyrazolo[1,5-a]pyrimidine, 97%, Alfa Aesar™

CAS: 705263-10-1 Molecular Formula: C6H4BrN3 Molecular Weight (g/mol): 198.023 MDL Number: MFCD09832894 InChI Key: VDHTXLUCUNPVLO-UHFFFAOYSA-N Synonym: 6-bromopyrazolo 1,5-a pyrimidine, 6-bromo-pyrazolo 1,5-a pyrimidine, pyrazolo 1,5-a pyrimidine, 6-bromo, pubchem15248, acmc-209of0 PubChem CID: 22236701 IUPAC Name: 6-bromopyrazolo[1,5-a]pyrimidine SMILES: C1=C2N=CC(=CN2N=C1)Br 1GR 6-Bromopyrazolo¢1,5-a!pyrimidine, 97% 1g

4-Chloro-5-(4-chlorophenyl)thieno[2,3-d]pyrimidine, 96%, Alfa Aesar™

CAS: 331761-46-7 Molecular Formula: C12H6Cl2N2S Molecular Weight (g/mol): 281.154 MDL Number: MFCD01038375 InChI Key: QDMQHIKVIOWCGY-UHFFFAOYSA-N Synonym: 4-chloro-5-4-chlorophenyl thieno 2,3-d pyrimidine, 4-chloro-5-4-chloro-phenyl-thieno 2,3-d pyrimidine, thieno 2,3-d pyrimidine,4-chloro-5-4-chlorophenyl, 4-chloro-5-4-chlorophenyl thiopheno 2,3-d pyrimidine, 4-chloranyl-5-4-chlorophenyl thieno 2,3-d pyrimidine PubChem CID: 708755 IUPAC Name: 4-chloro-5-(4-chlorophenyl)thieno[2,3-d]pyrimidine SMILES: C1=CC(=CC=C1C2=CSC3=C2C(=NC=N3)Cl)Cl 250MG 4-Chloro-5-(4-chlorophenyl)thieno¢2,3-d!pyrimidine, 96% 250mg

4-Chlorothieno[2,3-d]pyrimidine, Tech., Maybridge

CAS: 14080-59-2 Molecular Formula: C6H3ClN2S Molecular Weight (g/mol): 170.614 MDL Number: MFCD01312373 InChI Key: NZCRUBBNZGVREM-UHFFFAOYSA-N Synonym: 4-chlorothieno 2,3-d pyrimidine, thieno 2,3-d pyrimidine, 4-chloro, 4-chloro-thieno 2,3-d pyrimidine, 4-chlorothiopheno 2,3-d pyrimidine, pubchem14686, acmc-1bujx, ksc522g5h, 4-chloro-thieno 2,3-d-pyrimidine, thieno 2,3-d pyrimidine,4-chloro PubChem CID: 736618 IUPAC Name: 4-chlorothieno[2,3-d]pyrimidine SMILES: C1=CSC2=C1C(=NC=N2)Cl 1GR 4-Chlorothieno¢2,3-d!pyrimidine, 97%

Alfa Aesar™ (1R)-endo-(+)-Fenchyl alcohol, 96%

CAS: 3237-50-1 Molecular Formula: C4H4N2O5 Molecular Weight (g/mol): 160.085 MDL Number: MFCD00003760 InChI Key: ZIIHZVKHFWOENY-UHFFFAOYSA-N Synonym: barbituric acid, 5,5-dihydroxy, 2,4,6 1h,3h,5h-pyrimidinetrione, 5,5-dihydroxy, unii-o2aap9f8b6, 5,5-dihydroxybarbituric acid, ccris 5957, mesoxalylurea monohydrate, 2,4,5,6 1h,3h-pyrimidinetetrone hydrate, 5,5-dihydroxyperhydropyrimidinetrione, 5,5-dihydroxy-2,4,6 1h,3h,5h-pyrimidinetrione, o2aap9f8b6 PubChem CID: 312231 IUPAC Name: 5,5-dihydroxy-1,3-diazinane-2,4,6-trione SMILES: C1(=O)C(C(=O)NC(=O)N1)(O)O (1R)-ENDO-(+)-FENCHYL ALCOHOL, 96%,100G

Ethyl 6-bromopyrazolo[1,5-a]pyrimidine-3-carboxylate, 98%, Alfa Aesar™

CAS: 1027511-41-6 Molecular Formula: C9H8BrN3O2 Molecular Weight (g/mol): 270.086 MDL Number: MFCD10574908 InChI Key: PZZTXIWJXOMKEU-UHFFFAOYSA-N Synonym: ethyl 6-bromopyrazolo 1,5-a pyrimidine-3-carboxylate, 6-bromo-3-ethoxycarbonyl pyrazolo 1,5-a pyrimidine, 6-bromopyrazolo 1,5-a pyrimidine-3-carboxylic acid ethyl ester, pubchem20934, ethyl 6-bromopyrazolo 1,5-a pyrimidine-3-carboxyla, ethyl 6-bromo-pyrazolo 1,5-a pyrimidine-3-carboxylate, ethyl 6-bromopyrazolo 1,5-alpha pyrimidine-3-carboxylate, 6-bromo-pyrazolo 1,5-a pyrimidine-3-carboxylic acid ethyl ester PubChem CID: 45073325 IUPAC Name: ethyl 6-bromopyrazolo[1,5-a]pyrimidine-3-carboxylate SMILES: CCOC(=O)C1=C2N=CC(=CN2N=C1)Br 250MG Ethyl 6-bromopyrazolo¢1,5-a!pyrimidine-3-carboxylate, 98% 250mg

Alfa Aesar™ 4,6-Dichloropyrimidine, 98%

CAS: 1193-21-1 Molecular Formula: C4H2Cl2N2 Molecular Weight (g/mol): 148.974 MDL Number: MFCD00006109 InChI Key: XJPZKYIHCLDXST-UHFFFAOYSA-N Synonym: pyrimidine, 4,6-dichloro, 4,6-dichloro-pyrimidine, 4,6-dichloro pyrimidine, 4,6-dichloro-1,3-diazine, 4,6-dichlorpyrimidin, dichloropyrmidine, dichloropyrimidine, zlchem 225, pubchem6913, 4,6-dichloropyrimdine PubChem CID: 70943 IUPAC Name: 4,6-dichloropyrimidine SMILES: C1=C(N=CN=C1Cl)Cl 4,6-DICHLOROPYRIMIDINE, 97%,5G

Alfa Aesar™ 1-Chloro-4-phenylphthalazine, 96%

CAS: 10132-01-1 Molecular Formula: C14H9ClN2 Molecular Weight (g/mol): 240.69 MDL Number: MFCD00524786 InChI Key: WJJDLSHYLZRFDD-UHFFFAOYSA-N Synonym: 1-chloro-4-phenyl-phthalazine, phthalazine,1-chloro-4-phenyl, 4-chloro-1-phenylphthalazine PubChem CID: 272109 IUPAC Name: 1-chloro-4-phenylphthalazine SMILES: C1=CC=C(C=C1)C2=NN=C(C3=CC=CC=C32)Cl 5GR 1-Chloro-4-phenylphthalazine, 96% 5g

1(2H)-Phthalazinone, 98+%, ACROS Organics™

CAS: 119-39-1 Molecular Formula: C8H6N2O Molecular Weight (g/mol): 146.15 MDL Number: MFCD00006892 InChI Key: IJAPPYDYQCXOEF-UHFFFAOYSA-N Synonym: 1 2h-phthalazinone, phthalazin-1 2h-one, phthalazone, phthalazinone, phthalazin-1-one, 1-phthalazinol, phthalazin-1-ol, 1-hydroxyphthalazine, 1 2h phthalazinone, 1,2-dihydrophthalazin-1-one PubChem CID: 8394 ChEBI: CHEBI:34023 IUPAC Name: 2H-phthalazin-1-one SMILES: C1=CC=C2C(=C1)C=NNC2=O 100GR 1(2H)-Phthalazinone, 98+%

Methyle3-amino-5,6-dichloro-2-pyrazinecarboxylate, 98%, ACROS Organics™

CAS: 1458-18-0 Molecular Formula: C6H5Cl2N3O2 Molecular Weight (g/mol): 222.03 MDL Number: MFCD00010431 InChI Key: USYMCUGEGUFUBI-UHFFFAOYSA-N Synonym: methyl 3-amino-5,6-dichloro-2-pyrazinecarboxylate, pyrazinecarboxylic acid, 3-amino-5,6-dichloro-, methyl ester, 3-amino-5,6-dichloro-2-pyrazinecarboxylic acid methyl ester, 3-amino-5,6-dichloro-pyrazine-2-carboxylic acid methyl ester, acmc-1bujh, dsstox_cid_31434, dsstox_rid_97320, dsstox_gsid_57645, methyl 3-amino-5,6-dichloropyrazinoate, methyl 3-amino-5,6-dichloropyrazinecarboxylate PubChem CID: 73828 IUPAC Name: methyl 3-amino-5,6-dichloropyrazine-2-carboxylate SMILES: COC(=O)C1=C(N=C(C(=N1)Cl)Cl)N 1GR Methyl 3-amino-5,6-dichloro-2-pyrazinecarboxylate, 98%

Alfa Aesar™ 2-Methoxy-3-methylpyrazine, 99%

CAS: 2847-30-5 Molecular Formula: C6H8N2O Molecular Weight (g/mol): 124.143 MDL Number: MFCD00006127 InChI Key: VKJIAEQRKBQLLA-UHFFFAOYSA-N Synonym: pyrazine, 2-methoxy-3-methyl, 2-methyl-3-methoxypyrazine, 2-methoxy-3-methyl-pyrazine, 2-methoxy-3-methyl pyrazine, unii-04o7cn9q85, pyrazine, 2-methoxy-3 or 5-methyl, pyrazine, 2-methyl-3-methoxy, almond pyrazine, 2-methoxy-3 or5-methylpyrazine, chocolate pyrazine a PubChem CID: 17898 IUPAC Name: 2-methoxy-3-methylpyrazine SMILES: CC1=NC=CN=C1OC 2-METHOXY-3-METHYLPYRAZINE99%,25G

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

CAS: 1193-24-4 Molecular Formula: C4H4N2O2 Molecular Weight (g/mol): 112.09 MDL Number: 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 25GR 4,6-Dihydroxypyrimidine, 98%

6-methyl-2,3-dihydropyridazin-3-one hydrate, Maybridge

CAS: 7143-82-0 Molecular Formula: C5H8N2O2 Molecular Weight (g/mol): 128.131 InChI Key: DPIVSCHNBCFVEA-UHFFFAOYSA-N Synonym: 6-methylpyridazin-3-ol hydrate, 6-methylpyridazin-3 2h-one hydrate, 6-methyl-2,3-dihydropyridazin-3-one hydrate, 6-methyl-2h-pyridazin-3-one hydrate, 6-methylpyridazin-3-one hydrate, 3-methyl-1h-pyridazin-6-one hydrate, 6-methylpyridazin-3 2h ;-one hydrate, 6-methyl-2-hydropyridazin-3-one, hydrate, 6-methyl-2,3-dihydropyridazine-3-one hydrate, 6-methylpyridazin-3 2h-one-water 1/1 PubChem CID: 2774632 IUPAC Name: 3-methyl-1H-pyridazin-6-one;hydrate SMILES: CC1=NNC(=O)C=C1.O 50GR 6-Methyl-2,3-dihydropyridazin-3-one hydrate,90%

Alfa Aesar™ 2-Amino-4-hydroxy-6-methylpyrimidine, 98%

CAS: 3977-29-5 Molecular Formula: C5H7N3O Molecular Weight (g/mol): 125.131 MDL Number: MFCD00006095 InChI Key: KWXIPEYKZKIAKR-UHFFFAOYSA-N Synonym: 2-amino-4-hydroxy-6-methylpyrimidine, 2-amino-6-methylpyrimidin-4-ol, 6-methylisocytosine, mecytosine, 2-amino-6-methylpyrimidin-4 3h-one, superacil, superacyl, 4-methylisocytosine, 2-amino-6-hydroxy-4-methylpyrimidine, 2-amino-6-methyl-4-pyrimidinol PubChem CID: 1532 ChEBI: CHEBI:58959 IUPAC Name: 2-amino-6-methyl-1H-pyrimidin-4-one SMILES: CC1=CC(=O)N=C(N1)N 2-AMINO-4-HYDROXY-6-METHYLPYRIMIDINE, 98%,50G

Alfa Aesar™ 2-Amino-5-methylpyrazine, 98%

CAS: 5521-58-4 Molecular Formula: C5H7N3 Molecular Weight (g/mol): 109.132 MDL Number: MFCD08437664 InChI Key: ZNQOALAKPLGUPH-UHFFFAOYSA-N Synonym: 2-amino-5-methylpyrazine, 5-methyl-pyrazin-2-ylamine, 5-methyl-2-pyrazinamine, pyrazinamine, 5-methyl, 2-amino-5 methylpyrazine, 5-methyl-2-aminopyrazine, 2-amino-5-methyl pyrazine, 5-methylpyrazine-2-ylamine, 2-pyrazinamine, 5-methyl, pubchem15710 PubChem CID: 313215 IUPAC Name: 5-methylpyrazin-2-amine SMILES: CC1=CN=C(C=N1)N 250MG 2-Amino-5-methylpyrazine, 98% 250mg

Alfa Aesar™ 9-Benzyl-6-chloro-7-iodo-7-deazapurine, 95%

CAS: 1244855-59-1 Molecular Formula: C13H9ClIN3 Molecular Weight (g/mol): 369.59 MDL Number: MFCD16660858 InChI Key: NWGKGMFQFVMROS-UHFFFAOYSA-N Synonym: 7-benzyl-4-chloro-5-iodo-7h-pyrrolo 2,3-d pyrimidine, 9-benzyl-6-chloro-7-iodo-7-deazapurine, 7-benzyl-4-chloro-5-iodopyrrolo 2,3-d pyrimidine, amth010 PubChem CID: 57416867 IUPAC Name: 7-benzyl-4-chloro-5-iodopyrrolo[2,3-d]pyrimidine SMILES: C1=CC=C(C=C1)CN2C=C(C3=C2N=CN=C3Cl)I 5GR 9-Benzyl-6-chloro-7-iodo-7-deazapurine, 95% 5g

Alfa Aesar™ 2-Amino-6-bromopurine, 98%

CAS: 82499-03-4 Molecular Formula: C5H4BrN5 Molecular Weight (g/mol): 214.026 MDL Number: MFCD01321309 InChI Key: HPGBGNVPUMCKPM-UHFFFAOYSA-N Synonym: 2-amino-6-bromopurine, 6-bromo-9h-purin-2-amine, 1h-purin-2-amine, 6-bromo, 6-bromoguanine, d2-amino-6-bromopurine, 6-bromopurine-2-ylamine, purine, 2-amino-6-bromo, 6-bromo-9h-purin-2-ylamine, 9h-purin-2-amine,6-bromo PubChem CID: 6101139 IUPAC Name: 6-bromo-7H-purin-2-amine SMILES: C1=NC2=C(N1)C(=NC(=N2)N)Br 2-AMINO-6-BROMOPURINE, 98%1G

2-Amino-5-hydroxypyrimidine, 95%, ACROS Organics™

CAS: 143489-45-6 Molecular Formula: C4H5N3O Molecular Weight (g/mol): 111.1 InChI Key: NVYMOVCPYONOSF-UHFFFAOYSA-N Synonym: 2-amino-5-hydroxypyrimidine, 5-pyrimidinol, 2-amino, 2-amino-pyrimidin-5-ol, 5-hydroxypyrimidin-2-amine, 2-amino-5-hydroxy pyrimidine, 2-amino-5-pyrimidinol, zlchem 1241, pubchem21503, 5-hydroxy-2-aminopyrimidine, acmc-1c7b8 PubChem CID: 17750388 IUPAC Name: 2-aminopyrimidin-5-ol SMILES: C1=C(C=NC(=N1)N)O 5GR 2-Amino-5-hydroxypyrimidine, 95%

Alfa Aesar™ Ethyl uracil-5-carboxylate, 98%

CAS: 28485-17-8 Molecular Formula: C7H8N2O4 Molecular Weight (g/mol): 184.151 MDL Number: MFCD00057337 InChI Key: MKNYHTGOVKPZMU-UHFFFAOYSA-N Synonym: 5-carbethoxyuracil, ethyl4-hydroxy-2-oxo-1,2-dihydropyrimidine-5-carboxylate, ethyl 2,4-dioxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate, isoorotic acid ethyl ester, ethyl 2,4-dihydroxypyrimidine-5-carboxylate, ethyl uracil-5-carboxylate, ethyl 1,2,3,4-tetrahydro-2,4-dioxopyrimidine-5-carboxylate, 5-pyrimidinecarboxylic acid, 1,2,3,4-tetrahydro-2,4-dioxo-, ethyl ester, ethyl 2,4-dioxo-1,3-dihydropyrimidine-5-carboxylate, pubchem13254 PubChem CID: 101411 IUPAC Name: ethyl 2,4-dioxo-1H-pyrimidine-5-carboxylate SMILES: CCOC(=O)C1=CNC(=O)NC1=O ETHYL URACIL-5-CARBOXYLATE, 98% 5G

4-Hydroxyquinazoline 98%, ACROS Organics™

CAS: 491-36-1 Molecular Formula: C8H6N2O Molecular Weight (g/mol): 146.15 MDL Number: MFCD00511302 InChI Key: QMNUDYFKZYBWQX-UHFFFAOYSA-N Synonym: 4-hydroxyquinazoline, 4-quinazolinol, quinazolin-4-ol, quinazolin-4 3h-one, 4 3h-quinazolinone, 4-quinazolone, 4-quinazolinone, 4 1h-quinazolinone, 4-oxoquinazoline, 3,4-dihydroquinazolin-4-one PubChem CID: 63112 IUPAC Name: 1H-quinazolin-4-one SMILES: C1=CC=C2C(=C1)C(=O)N=CN2 25GR 4-Hydroxyquinazoline, 98%

Ethyl 2-chloropyrimidine-5-carboxylate, 95%, Acros Organics

CAS: 89793-12-4 Molecular Formula: C7H7ClN2O2 Molecular Weight (g/mol): 186.595 InChI Key: IEMKQRSOAOPKRJ-UHFFFAOYSA-N Synonym: 2-chloro-pyrimidine-5-carboxylic acid ethyl ester, 2-chloro-5-ethoxycarbonyl pyrimidine, ethyl-2-chloropyrimidine-5-carboxylate, ethyl 2-chloro-pyrimidine-5-carboxylate, 5-pyrimidinecarboxylic acid, 2-chloro-, ethyl ester, ethyl2-chloropyrimidine-5-carboxylate, acmc-209r2w, ksc663i8r, ethyl 2-chloranylpyrimidine-5-carboxylate, 2-chloro-5-pyrimidinecarboxylic acid ethyl ester PubChem CID: 10487815 IUPAC Name: ethyl 2-chloropyrimidine-5-carboxylate SMILES: CCOC(=O)C1=CN=C(N=C1)Cl 1GR Ethyl 2-chloropyrimidine-5-carboxylate, 95%

Alfa Aesar™ 7-Bromo-6-chloro-9-methyl-7-deazapurine, 97%

CAS: 1266343-30-9 Molecular Formula: C7H5BrClN3 Molecular Weight (g/mol): 246.492 MDL Number: MFCD14635647 InChI Key: QGPYXNYRUAFOHC-UHFFFAOYSA-N Synonym: 5-bromo-4-chloro-7-methyl-7h-pyrrolo 2,3-d pyrimidine, 5-bromo-4-chloro-7-methylpyrrolo 2,3-d pyrimidine, 7-bromo-6-chloro-9-methyl-7-deazapurine, 7h-pyrrolo 2,3-d pyrimidine, 5-bromo-4-chloro-7-methyl, 7h-pyrrolo 2,3-d pyrimidine,5-bromo-4-chloro-7-methyl PubChem CID: 66545160 IUPAC Name: 5-bromo-4-chloro-7-methylpyrrolo[2,3-d]pyrimidine SMILES: CN1C=C(C2=C1N=CN=C2Cl)Br 250MG 7-Bromo-6-chloro-9-methyl-7-deazapurine, 97% 250mg

2-Thien-2-ylpyrimidine-5-carboxylic acid, 97%, Maybridge

CAS: 916766-97-7 Molecular Formula: C9H6N2O2S Molecular Weight (g/mol): 206.219 MDL Number: MFCD09817551 InChI Key: SJJLOOUOVNRKLF-UHFFFAOYSA-N Synonym: 2-thien-2-ylpyrimidine-5-carboxylic acid, 2-thiophen-2-yl pyrimidine-5-carboxylic acid, 2-2-thienyl-5-pyrimidinecarboxylic acid, 2-2-thienyl pyrimidine-5-carboxylic acid, 2-thien-2-yl pyrimidine-5-carboxylic acid PubChem CID: 24229728 IUPAC Name: 2-thiophen-2-ylpyrimidine-5-carboxylic acid SMILES: C1=CSC(=C1)C2=NC=C(C=N2)C(=O)O 1GR 2-Thien-2-ylpyrimidine-5-carboxylic acid, 97%

4,6-Dihydroxy-5-nitropyrimidine, 95%, ACROS Organics™

CAS: 2164-83-2 Molecular Formula: C4H3N3O4 Molecular Weight (g/mol): 157.09 MDL Number: MFCD00006110 InChI Key: ABTLZAVJDRUDNG-UHFFFAOYSA-N Synonym: 4,6-dihydroxy-5-nitropyrimidine, 5-nitropyrimidine-4,6-diol, 4,6-dihydroxy-5-nitropyrimdine, 5-nitro-4,6-pyrimidinediol, 4 1h-pyrimidinone, 6-hydroxy-5-nitro, 6-hydroxy-5-nitro-3h-pyrimidin-4-one, 6-hydroxy-5-nitro-4 1h-pyrimidinone, 5-nitro-4,6-dihydroxypyrimidine, 4-hydroxy-5-nitro-1h-pyrimidin-6-one, 4 3h-pyrimidinone, 6-hydroxy-5-nitro PubChem CID: 75105 SMILES: C1=NC(=C(C(=O)N1)[N+](=O)[O-])O 5GR 4,6-Dihydroxy-5-nitropyrimidine, 95%

Alfa Aesar™ 1-Chloro-4-(3,4-dimethylphenyl)phthalazine, 96%

CAS: 129842-38-2 Molecular Formula: C16H13ClN2 Molecular Weight (g/mol): 268.744 MDL Number: MFCD03001385 InChI Key: GYYXXMBDNZTEND-UHFFFAOYSA-N Synonym: 1-chloro-4-3,4-dimethylphenyl phthalazine, 1-chloro-4-3,4-dimethylphenyl-phthalazine PubChem CID: 6401338 IUPAC Name: 1-chloro-4-(3,4-dimethylphenyl)phthalazine SMILES: CC1=C(C=C(C=C1)C2=NN=C(C3=CC=CC=C32)Cl)C 1GR 1-Chloro-4-(3,4-dimethylphenyl)phthalazine, 96% 1g

Alfa Aesar™ 2-Aminopyrazine, 99%

CAS: 5049-61-6 Molecular Formula: C4H5N3 Molecular Weight (g/mol): 95.105 MDL Number: MFCD00006137 InChI Key: XFTQRUTUGRCSGO-UHFFFAOYSA-N Synonym: 2-aminopyrazine, aminopyrazine, pyrazinamine, 2-pyrazinamine, pyrazin-2-ylamine, pyrazine-2-ylamine, pyrazine, 2-amino, amino pyrazine, 3-aminopyrazine, iminopyrazine PubChem CID: 78747 IUPAC Name: pyrazin-2-amine SMILES: C1=CN=C(C=N1)N 2-AMINOPYRAZINE, 99%25G

Alfa Aesar™ Isocytosine, 99%

CAS: 108-53-2 Molecular Formula: C4H5N3O Molecular Weight (g/mol): 111.104 MDL Number: MFCD00057557 InChI Key: XQCZBXHVTFVIFE-UHFFFAOYSA-N Synonym: isocytosine, 2-amino-4-hydroxypyrimidine, 2-aminopyrimidin-4-ol, 2-aminopyrimidin-4 1h-one, 2-amino-4-pyrimdinol, 2-amino-4-pyrimidone, 2-amino-4-oxypyrimidine, 2-aminouracil, 4-pyrimidinol, 2-amino, 4 1h-pyrimidinone, 2-amino PubChem CID: 66950 ChEBI: CHEBI:55502 IUPAC Name: 2-amino-1H-pyrimidin-6-one SMILES: C1=CN=C(NC1=O)N 5GR Isocytosine, 99%

Alfa Aesar™ 2-Amino-4-(2-chloro-3-pyridyl)pyrimidine, 97%

CAS: 870221-49-1 Molecular Formula: C9H7ClN4 Molecular Weight (g/mol): 206.633 MDL Number: MFCD18157687 InChI Key: DKCVVHMYFZBDAK-UHFFFAOYSA-N Synonym: 4-2-chloropyridin-3-yl pyrimidin-2-amine, chloropyridinylpyrimidinamine, 2-pyrimidinamine,4-2-chloro-3-pyridinyl, 2-pyrimidinamine, 4-2-chloro-3-pyridinyl PubChem CID: 53396335 IUPAC Name: 4-(2-chloropyridin-3-yl)pyrimidin-2-amine SMILES: C1=CC(=C(N=C1)Cl)C2=NC(=NC=C2)N 1GR 2-Amino-4-(2-chloro-3-pyridyl)pyrimidine, 97% 1g

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