Diazines

Alfa Aesar™ Pyrimidine-4-carboxylic acid, 98%

CAS: 31462-59-6 Molecular Formula: C5H4N2O2 Molecular Weight (g/mol): 124.099 MDL Number: MFCD00129737 InChI Key: YPOXGDJGKBXRFP-UHFFFAOYSA-N Synonym: 4-carboxy pyrimidine PubChem CID: 169306 IUPAC Name: pyrimidine-4-carboxylic acid SMILES: C1=CN=CN=C1C(=O)O

5-Fluorouracil, 99%, Alfa Aesar™

CAS: 51-21-8 Molecular Formula: C4H3FN2O2 Molecular Weight (g/mol): 130.078 MDL Number: MFCD00006018 InChI Key: GHASVSINZRGABV-UHFFFAOYSA-N Synonym: 5-fluorouracil PubChem CID: 3385 ChEBI: CHEBI:46345 IUPAC Name: 5-fluoro-1H-pyrimidine-2,4-dione SMILES: C1=C(C(=O)NC(=O)N1)F

3-Aminophthalhydrazide 98%, ACROS Organics™

CAS: 521-31-3 Molecular Formula: C8H7N3O2 Molecular Weight (g/mol): 177.16 MDL Number: MFCD00006890 InChI Key: HWYHZTIRURJOHG-UHFFFAOYSA-N Synonym: 1,4-phthalazinedione, 5-amino-2,3-dihydro PubChem CID: 10638 IUPAC Name: 5-amino-2,3-dihydrophthalazine-1,4-dione SMILES: C1=CC2=C(C(=C1)N)C(=O)NNC2=O

Alfa Aesar™ Amiloride hydrochloride dihydrate

CAS: 17440-83-4 Molecular Formula: C6H13Cl2N7O3 Molecular Weight (g/mol): 302.116 MDL Number: MFCD00058197 InChI Key: LTKVFMLMEYCWMK-UHFFFAOYSA-N Synonym: amilorid hydrochlorid-2-wasser PubChem CID: 68540 ChEBI: CHEBI:2640 IUPAC Name: 3,5-diamino-6-chloro-N-(diaminomethylidene)pyrazine-2-carboxamide;dihydrate;hydrochloride SMILES: C1(=C(N=C(C(=N1)Cl)N)N)C(=O)N=C(N)N.O.O.Cl

Thiamine hydrochloride, 99% (dry wt.), may cont. up to 5% water, Alfa Aesar™

CAS: 67-03-8 Molecular Formula: C12H18Cl2N4OS Molecular Weight (g/mol): 337.263 MDL Number: MFCD00012780 InChI Key: DPJRMOMPQZCRJU-UHFFFAOYSA-M Synonym: aneurine hydrochloride 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-]

Alfa Aesar™ Barbituric acid, 99%

CAS: 67-52-7 Molecular Formula: C4H4N2O3 Molecular Weight (g/mol): 128.087 MDL Number: MFCD00006666 InChI Key: HNYOPLTXPVRDBG-UHFFFAOYSA-N Synonym: 2,4,6 1h,3h,5h-pyrimidinetrione PubChem CID: 6211 ChEBI: CHEBI:16294 IUPAC Name: 1,3-diazinane-2,4,6-trione SMILES: C1C(=O)NC(=O)NC1=O

Alfa Aesar™ Guanosine, 98+%

CAS: 118-00-3 Molecular Formula: C10H13N5O5 Molecular Weight (g/mol): 283.244 MDL Number: MFCD00010182 InChI Key: NYHBQMYGNKIUIF-UUOKFMHZSA-N Synonym: 9-beta-d-ribofuranosylguanine PubChem CID: 6802 ChEBI: CHEBI:16750 IUPAC Name: 2-amino-9-[(2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-3H-purin-6-one SMILES: C1=NC2=C(N1C3C(C(C(O3)CO)O)O)NC(=NC2=O)N

Barbituric Acid, Fisher Chemical Available on GSA/VA Contract for Federal Government customers only.

CAS: 67-52-7 Molecular Formula: C4H4N2O3 Molecular Weight (g/mol): 128.087 MDL Number: MFCD00006666 InChI Key: HNYOPLTXPVRDBG-UHFFFAOYSA-N Synonym: 2,4,6 1h,3h,5h-pyrimidinetrione PubChem CID: 6211 ChEBI: CHEBI:16294 IUPAC Name: 1,3-diazinane-2,4,6-trione SMILES: C1C(=O)NC(=O)NC1=O

Alfa Aesar™ Uracil-6-carboxaldehyde monohydrate, 98%

CAS: 36327-91-0 Molecular Formula: C5H6N2O4 Molecular Weight (g/mol): 158.113 MDL Number: MFCD03002359 InChI Key: FFSRLRNGSZKHTN-UHFFFAOYSA-N Synonym: 1,2,3,6-tetrahydro-2,6-dioxopyrimidine-4-carbaldehyde hydrate PubChem CID: 2736500 IUPAC Name: 2,4-dioxo-1H-pyrimidine-6-carbaldehyde;hydrate SMILES: C1=C(NC(=O)NC1=O)C=O.O

Alfa Aesar™ Pyrazine-2-carboxylic acid, 99%

CAS: 98-97-5 Molecular Formula: C5H4N2O2 Molecular Weight (g/mol): 124.099 MDL Number: MFCD00006130 InChI Key: NIPZZXUFJPQHNH-UHFFFAOYSA-N Synonym: 2-carboxypyrazine PubChem CID: 1047 ChEBI: CHEBI:71311 IUPAC Name: pyrazine-2-carboxylic acid SMILES: C1=CN=C(C=N1)C(=O)O

Isocytosine, 99%, ACROS Organics™

CAS: 108-53-2 Molecular Formula: C4H5N3O Molecular Weight (g/mol): 111.1 MDL Number: MFCD01109044 InChI Key: XQCZBXHVTFVIFE-UHFFFAOYSA-N Synonym: 2-amino-4-hydroxypyrimidine PubChem CID: 66950 ChEBI: CHEBI:55502 IUPAC Name: 2-amino-1H-pyrimidin-6-one SMILES: C1=CN=C(NC1=O)N

Guanosine, 99%, ACROS Organics™

CAS: 118-00-3 Molecular Formula: C10H13N5O5 Molecular Weight (g/mol): 283.23 MDL Number: MFCD00010182 InChI Key: NYHBQMYGNKIUIF-UUOKFMHZSA-N Synonym: 9-beta-d-ribofuranosylguanine PubChem CID: 6802 ChEBI: CHEBI:16750 IUPAC Name: 2-amino-9-[(2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-3H-purin-6-one SMILES: C1=NC2=C(N1C3C(C(C(O3)CO)O)O)NC(=NC2=O)N

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: aneurine hydrochloride 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-]

Barbituric Acid (Laboratory), Fisher Chemical Available on GSA/VA Contract for Federal Government customers only.

CAS: 67-52-7 Molecular Formula: C4H4N2O3 Molecular Weight (g/mol): 128.087 MDL Number: MFCD00006666 InChI Key: HNYOPLTXPVRDBG-UHFFFAOYSA-N Synonym: 2,4,6 1h,3h,5h-pyrimidinetrione PubChem CID: 6211 ChEBI: CHEBI:16294 IUPAC Name: 1,3-diazinane-2,4,6-trione SMILES: C1C(=O)NC(=O)NC1=O

5-Fluorouracil, 99%, ACROS Organics™

CAS: 51-21-8 Molecular Formula: C4H3FN2O2 Molecular Weight (g/mol): 130.08 InChI Key: GHASVSINZRGABV-UHFFFAOYSA-N Synonym: 5-fluorouracil PubChem CID: 3385 ChEBI: CHEBI:46345 IUPAC Name: 5-fluoro-1H-pyrimidine-2,4-dione SMILES: C1=C(C(=O)NC(=O)N1)F

Thiamine Hydrochloride (USP/FCC), Fisher Chemical

CAS: 67-03-8 Molecular Formula: C12H18Cl2N4OS Molecular Weight (g/mol): 337.263 MDL Number: MFCD00012780 InChI Key: DPJRMOMPQZCRJU-UHFFFAOYSA-M Synonym: aneurine hydrochloride 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-]

Orotic acid, 98%, anhydrous, ACROS Organics™

CAS: 65-86-1 Molecular Formula: C5H4N2O4 Molecular Weight (g/mol): 156.1 InChI Key: PXQPEWDEAKTCGB-UHFFFAOYSA-N Synonym: 6-carboxyuracil PubChem CID: 967 ChEBI: CHEBI:16742 IUPAC Name: 2,4-dioxo-1H-pyrimidine-6-carboxylic acid SMILES: C1=C(NC(=O)NC1=O)C(=O)O

Uracil, +99%, ACROS Organics™

CAS: 66-22-8 Molecular Formula: C4H4N2O2 Molecular Weight (g/mol): 112.09 MDL Number: MFCD00006016 InChI Key: ISAKRJDGNUQOIC-UHFFFAOYSA-N Synonym: 2,4 1h,3h-pyrimidinedione PubChem CID: 1174 ChEBI: CHEBI:17568 IUPAC Name: 1H-pyrimidine-2,4-dione SMILES: C1=CNC(=O)NC1=O

5-Chloropyrimidine, 95%, Acros Organics™

CAS: 17180-94-8 Molecular Formula: C4H3ClN2 Molecular Weight (g/mol): 114.53 InChI Key: ZLNPDTOTEVIMMY-UHFFFAOYSA-N Synonym: 5-chloranylpyrimidine PubChem CID: 12600384 IUPAC Name: 5-chloropyrimidine SMILES: C1=C(C=NC=N1)Cl

Alfa Aesar™ Guanine, 98%

CAS: 73-40-5 Molecular Formula: C5H5N5O Molecular Weight (g/mol): 151.129 MDL Number: MFCD00071533 InChI Key: UYTPUPDQBNUYGX-UHFFFAOYSA-N Synonym: 2-amino-6-hydroxypurine PubChem CID: 764 ChEBI: CHEBI:16235 IUPAC Name: 2-amino-3,7-dihydropurin-6-one SMILES: C1=NC2=C(N1)C(=O)N=C(N2)N

4,5-Dichloro-2-methyl-3(2H)-pyridazinone, 97%, ACROS Organics™

CAS: 933-76-6 Molecular Formula: C5H4Cl2N2O Molecular Weight (g/mol): 179.01 MDL Number: MFCD00051686 InChI Key: ACKBTCUMGAHRIE-UHFFFAOYSA-N Synonym: 3 2h-pyridazinone, 4,5-dichloro-2-methyl PubChem CID: 120462 IUPAC Name: 4,5-dichloro-2-methylpyridazin-3-one SMILES: CN1C(=O)C(=C(C=N1)Cl)Cl

Thiamine Hydrochloride (White Powder), Fisher BioReagents

CAS: 67-03-8 Molecular Formula: C12H18Cl2N4OS Molecular Weight (g/mol): 337.263 InChI Key: DPJRMOMPQZCRJU-UHFFFAOYSA-M Synonym: aneurine hydrochloride 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-]

Thymine, 99%, Acros Organics™

CAS: 65-71-4 Molecular Formula: C5H6N2O2 Molecular Weight (g/mol): 126.11 MDL Number: MFCD00006026 InChI Key: RWQNBRDOKXIBIV-UHFFFAOYSA-N Synonym: 2,4 1h,3h-pyrimidinedione, 5-methyl PubChem CID: 1135 ChEBI: CHEBI:17821 IUPAC Name: 5-methyl-1H-pyrimidine-2,4-dione SMILES: CC1=CNC(=O)NC1=O

Alfa Aesar™ 4-Bromo-5-fluoropyrimidine, 95%

CAS: 1003706-87-3 Molecular Formula: C4H2BrFN2 Molecular Weight (g/mol): 176.976 MDL Number: MFCD09955612 InChI Key: PPJOFMHOVLXHPA-UHFFFAOYSA-N Synonym: 4-bromanyl-5-fluoranyl-pyrimidine PubChem CID: 44828535 IUPAC Name: 4-bromo-5-fluoropyrimidine SMILES: C1=C(C(=NC=N1)Br)F

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: 1,4-phthalazinedione, 5-amino-2,3-dihydro PubChem CID: 10638 IUPAC Name: 5-amino-2,3-dihydrophthalazine-1,4-dione SMILES: C1=CC2=C(C(=C1)N)C(=O)NNC2=O

Guanine, 99+%, ACROS Organics™

CAS: 73-40-5 Molecular Formula: C5H5N5O Molecular Weight (g/mol): 151.13 MDL Number: MFCD00071533 InChI Key: UYTPUPDQBNUYGX-UHFFFAOYSA-N Synonym: 2-amino-6-hydroxypurine PubChem CID: 764 ChEBI: CHEBI:16235 IUPAC Name: 2-amino-3,7-dihydropurin-6-one SMILES: C1=NC2=C(N1)C(=O)N=C(N2)N

Alfa Aesar™ 2',3'-Isopropylideneuridine

CAS: 362-43-6 Molecular Formula: C12H16N2O6 Molecular Weight (g/mol): 284.268 MDL Number: MFCD00034509 InChI Key: GFDUSNQQMOENLR-PEBGCTIMSA-N Synonym: 1-1r,2r,4r,5r-4-hydroxymethyl-7,7-dimethyl-3,6,8-trioxabicyclo 3.3.0 oct-2-yl-1,3-dihydropyrimidine-2,4-dione PubChem CID: 64967 IUPAC Name: 1-[(3aR,4R,6R,6aR)-6-(hydroxymethyl)-2,2-dimethyl-3a,4,6,6a-tetrahydrofuro[3,4-d][1,3]dioxol-4-yl]pyrimidine-2,4-dione SMILES: CC1(OC2C(OC(C2O1)N3C=CC(=O)NC3=O)CO)C

4,5-Dichloro-3-hydroxypyridazine, 98%, ACROS Organics™

CAS: 932-22-9 Molecular Formula: C4H2Cl2N2O Molecular Weight (g/mol): 164.98 MDL Number: MFCD00051504 InChI Key: VJWXIRQLLGYIDI-UHFFFAOYSA-N Synonym: 3 2h-pyridazinone, 4,5-dichloro PubChem CID: 73247 IUPAC Name: 4,5-dichloro-1H-pyridazin-6-one SMILES: C1=NNC(=O)C(=C1Cl)Cl

Thymine, 97%, Alfa Aesar™

CAS: 65-71-4 Molecular Formula: C5H6N2O2 Molecular Weight (g/mol): 126.115 MDL Number: MFCD00006026 InChI Key: RWQNBRDOKXIBIV-UHFFFAOYSA-N Synonym: 2,4 1h,3h-pyrimidinedione, 5-methyl PubChem CID: 1135 ChEBI: CHEBI:17821 IUPAC Name: 5-methyl-1H-pyrimidine-2,4-dione SMILES: CC1=CNC(=O)NC1=O

Uracil, 99+%, Alfa Aesar™

CAS: 66-22-8 Molecular Formula: C4H4N2O2 Molecular Weight (g/mol): 112.088 MDL Number: MFCD00006016 InChI Key: ISAKRJDGNUQOIC-UHFFFAOYSA-N Synonym: 2,4 1h,3h-pyrimidinedione PubChem CID: 1174 ChEBI: CHEBI:17568 IUPAC Name: 1H-pyrimidine-2,4-dione SMILES: C1=CNC(=O)NC1=O

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