Imidazopyrimidines

Organic heterocyclic compounds that contain an imidazole ring fused to a pyrimidine ring. Imidazole is five-membered ring with three carbon atoms and two nitrogen atoms; pyrimidine is a six-membered ring with four carbon atoms and two nitrogen atoms.

1 – 15 of 98 results

MilliporeSigma™ Adenine, ≥98%, Calbiochem™,

CAS: 73-24-5 Molecular Formula: C5H5N5 Molecular Weight (g/mol): 135.13 MDL Number: MFCD00041790 InChI Key: GFFGJBXGBJISGV-UHFFFAOYSA-N Synonym: adenine,1h-purin-6-amine,6-aminopurine,9h-purin-6-amine,vitamin b4,adenin,adeninimine,leuco-4,6-amino-1h-purine,6-amino-3h-purine PubChem CID: 190 ChEBI: CHEBI:16708 IUPAC Name: 7H-purin-6-amine SMILES: NC1=C2NC=NC2=NC=N1

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Specifications

PubChem CID	190
CAS	73-24-5
Molecular Weight (g/mol)	135.13
ChEBI	CHEBI:16708
MDL Number	MFCD00041790
SMILES	NC1=C2NC=NC2=NC=N1
Synonym	adenine,1h-purin-6-amine,6-aminopurine,9h-purin-6-amine,vitamin b4,adenin,adeninimine,leuco-4,6-amino-1h-purine,6-amino-3h-purine
IUPAC Name	7H-purin-6-amine
InChI Key	GFFGJBXGBJISGV-UHFFFAOYSA-N
Molecular Formula	C5H5N5

6-Thioguanine, 98%

CAS: 154-42-7 Molecular Formula: C5H5N5S Molecular Weight (g/mol): 167.19 MDL Number: MFCD00233553 InChI Key: WYWHKKSPHMUBEB-UHFFFAOYSA-N Synonym: 6-thioguanine,thioguanine,tioguanine,2-amino-6-mercaptopurine,6-mercaptoguanine,tioguanin,tabloid,lanvis,2-amino-6-purinethiol,2-aminopurine-6-thiol PubChem CID: 2723601 ChEBI: CHEBI:9555 SMILES: NC1=NC(=S)C2=C(N1)N=CN2

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Specifications

PubChem CID	2723601
CAS	154-42-7
Molecular Weight (g/mol)	167.19
ChEBI	CHEBI:9555
MDL Number	MFCD00233553
SMILES	NC1=NC(=S)C2=C(N1)N=CN2
Synonym	6-thioguanine,thioguanine,tioguanine,2-amino-6-mercaptopurine,6-mercaptoguanine,tioguanin,tabloid,lanvis,2-amino-6-purinethiol,2-aminopurine-6-thiol
InChI Key	WYWHKKSPHMUBEB-UHFFFAOYSA-N
Molecular Formula	C5H5N5S

2-Thioxanthine, 98+%

CAS: 2487-40-3 Molecular Formula: C5H4N4OS Molecular Weight (g/mol): 168.174 MDL Number: MFCD00031505 InChI Key: XNHFAGRBSMMFKL-UHFFFAOYSA-N Synonym: 2-thioxanthine,6-hydroxy-2-mercaptopurine,2-mercapto-9h-purin-6-ol,2-thioxanthene,2-mercapto-6-hydroxypurine,2-thio-6-oxypurine,6-hydroxypurine-2-thiol,2-thioxo-2,3-dihydro-1h-purin-6 7h-one,xanthine, 2-thio,6h-purin-6-one, 1,2,3,7-tetrahydro-2-thioxo PubChem CID: 1268185 IUPAC Name: 2-sulfanylidene-3,7-dihydropurin-6-one SMILES: C1=NC2=C(N1)C(=O)NC(=S)N2

Pricing and Availability
Specifications

PubChem CID	1268185
CAS	2487-40-3
Molecular Weight (g/mol)	168.174
MDL Number	MFCD00031505
SMILES	C1=NC2=C(N1)C(=O)NC(=S)N2
Synonym	2-thioxanthine,6-hydroxy-2-mercaptopurine,2-mercapto-9h-purin-6-ol,2-thioxanthene,2-mercapto-6-hydroxypurine,2-thio-6-oxypurine,6-hydroxypurine-2-thiol,2-thioxo-2,3-dihydro-1h-purin-6 7h-one,xanthine, 2-thio,6h-purin-6-one, 1,2,3,7-tetrahydro-2-thioxo
IUPAC Name	2-sulfanylidene-3,7-dihydropurin-6-one
InChI Key	XNHFAGRBSMMFKL-UHFFFAOYSA-N
Molecular Formula	C5H4N4OS

3-Methylxanthine, 98+%

CAS: 1076-22-8 Molecular Formula: C6H6N4O2 Molecular Weight (g/mol): 166.14 MDL Number: MFCD00005580 InChI Key: GMSNIKWWOQHZGF-UHFFFAOYSA-N Synonym: 3-methylxanthine,3-methyl-1h-purine-2,6 3h,7h-dione,2,6-dihydroxy-3-methylpurine,xanthine, 3-methyl,3 mx,3-methyl xanthine,1h-purine-2,6-dione, 3,7-dihydro-3-methyl,unii-ws6x982oec,3-methyl-2,3,6,7-tetrahydro-1h-purine-2,6-dione,ccris 5817 PubChem CID: 70639 ChEBI: CHEBI:62207 IUPAC Name: 3-methyl-7H-purine-2,6-dione SMILES: CN1C2=C(C(=O)NC1=O)NC=N2

Pricing and Availability
Specifications

PubChem CID	70639
CAS	1076-22-8
Molecular Weight (g/mol)	166.14
ChEBI	CHEBI:62207
MDL Number	MFCD00005580
SMILES	CN1C2=C(C(=O)NC1=O)NC=N2
Synonym	3-methylxanthine,3-methyl-1h-purine-2,6 3h,7h-dione,2,6-dihydroxy-3-methylpurine,xanthine, 3-methyl,3 mx,3-methyl xanthine,1h-purine-2,6-dione, 3,7-dihydro-3-methyl,unii-ws6x982oec,3-methyl-2,3,6,7-tetrahydro-1h-purine-2,6-dione,ccris 5817
IUPAC Name	3-methyl-7H-purine-2,6-dione
InChI Key	GMSNIKWWOQHZGF-UHFFFAOYSA-N
Molecular Formula	C6H6N4O2

Caffeine, 98.5%, specified according to the req. of USP/BP

CAS: 58-08-2 Molecular Formula: C8H10N4O2 Molecular Weight (g/mol): 194.19 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)C(=O)N2C

Pricing and Availability
Specifications

PubChem CID	2519
CAS	58-08-2
Molecular Weight (g/mol)	194.19
ChEBI	CHEBI:27732
MDL Number	MFCD00005758
SMILES	CN1C=NC2=C1C(=O)N(C)C(=O)N2C
Synonym	caffeine,1,3,7-trimethylxanthine,guaranine,thein,cafeina,methyltheobromine,koffein,mateina,theine,alert-pep
IUPAC Name	1,3,7-trimethylpurine-2,6-dione
InChI Key	RYYVLZVUVIJVGH-UHFFFAOYSA-N
Molecular Formula	C8H10N4O2

4,6-Dihydroxy-1H-pyrazolo[3,4-d]pyrimidine, 98+%

CAS: 2465-59-0 Molecular Formula: C5H4N4O2 Molecular Weight (g/mol): 152.113 MDL Number: MFCD00056934 InChI Key: HXNFUBHNUDHIGC-UHFFFAOYSA-N Synonym: oxypurinol,oxipurinol,alloxanthine,1h-pyrazolo 3,4-d pyrimidine-4,6-diol,oxoallopurinol,4,6-dihydroxypyrazolo 3,4-d pyrimidine,1h-pyrazolo 3,4-d pyrimidine-4,6 5h,7h-dione,oxipurinolum,1h-pyrazolo 3,4-d pyrimidine-4,6 2h,5h-dione,alloxanthin van PubChem CID: 4644 ChEBI: CHEBI:28315 IUPAC Name: 1,2-dihydropyrazolo[3,4-d]pyrimidine-4,6-dione SMILES: C1=C2C(=NC(=O)NC2=O)NN1

Pricing and Availability
Specifications

PubChem CID	4644
CAS	2465-59-0
Molecular Weight (g/mol)	152.113
ChEBI	CHEBI:28315
MDL Number	MFCD00056934
SMILES	C1=C2C(=NC(=O)NC2=O)NN1
Synonym	oxypurinol,oxipurinol,alloxanthine,1h-pyrazolo 3,4-d pyrimidine-4,6-diol,oxoallopurinol,4,6-dihydroxypyrazolo 3,4-d pyrimidine,1h-pyrazolo 3,4-d pyrimidine-4,6 5h,7h-dione,oxipurinolum,1h-pyrazolo 3,4-d pyrimidine-4,6 2h,5h-dione,alloxanthin van
IUPAC Name	1,2-dihydropyrazolo[3,4-d]pyrimidine-4,6-dione
InChI Key	HXNFUBHNUDHIGC-UHFFFAOYSA-N
Molecular Formula	C5H4N4O2

Thermo Scientific Chemicals Adenine sulfate, 98%, synthetic

CAS: 321-30-2 Molecular Formula: C10H12N10O4S Molecular Weight (g/mol): 368.33 MDL Number: MFCD00213655 InChI Key: LQXHSCOPYJCOMD-UHFFFAOYSA-N Synonym: adenine sulfate,adenine hemisulfate,7h-purin-6-amine sulfate 2:1,adeninsulfat,adeninium sulfate,adenine sulfate 2:1,adeninsulfat german,1h-purin-6-amine, sulfate 2:1,diadenine sulphate,unii-741gjf3k9m PubChem CID: 9449 IUPAC Name: 7H-purin-6-amine;sulfuric acid SMILES: OS(O)(=O)=O.NC1=C2NC=NC2=NC=N1.NC1=C2NC=NC2=NC=N1

Pricing and Availability
Specifications

PubChem CID	9449
CAS	321-30-2
Molecular Weight (g/mol)	368.33
MDL Number	MFCD00213655
SMILES	OS(O)(=O)=O.NC1=C2NC=NC2=NC=N1.NC1=C2NC=NC2=NC=N1
Synonym	adenine sulfate,adenine hemisulfate,7h-purin-6-amine sulfate 2:1,adeninsulfat,adeninium sulfate,adenine sulfate 2:1,adeninsulfat german,1h-purin-6-amine, sulfate 2:1,diadenine sulphate,unii-741gjf3k9m
IUPAC Name	7H-purin-6-amine;sulfuric acid
InChI Key	LQXHSCOPYJCOMD-UHFFFAOYSA-N
Molecular Formula	C10H12N10O4S

2-Hydroxy-6-aminopurine, 98%

CAS: 3373-53-3 Molecular Formula: C5H5N5O Molecular Weight (g/mol): 151.13 MDL Number: MFCD00142931 InChI Key: DRAVOWXCEBXPTN-UHFFFAOYSA-N Synonym: isoguanine,2-hydroxyadenine,2-hydroxy-6-aminopurine,6-amino-3,7-dihydro-2h-purin-2-one,6-amino-2-hydroxypurine,6-amino-7h-purin-2-ol,2-oxoadenine,6-amino-1,3-dihydro-2h-purin-2-one,2-oxyadenine,6-amino-9h-purin-2-ol PubChem CID: 76900 ChEBI: CHEBI:62462 IUPAC Name: 6-amino-1,7-dihydropurin-2-one SMILES: NC1=C2NC=NC2=NC(=O)N1

Pricing and Availability
Specifications

PubChem CID	76900
CAS	3373-53-3
Molecular Weight (g/mol)	151.13
ChEBI	CHEBI:62462
MDL Number	MFCD00142931
SMILES	NC1=C2NC=NC2=NC(=O)N1
Synonym	isoguanine,2-hydroxyadenine,2-hydroxy-6-aminopurine,6-amino-3,7-dihydro-2h-purin-2-one,6-amino-2-hydroxypurine,6-amino-7h-purin-2-ol,2-oxoadenine,6-amino-1,3-dihydro-2h-purin-2-one,2-oxyadenine,6-amino-9h-purin-2-ol
IUPAC Name	6-amino-1,7-dihydropurin-2-one
InChI Key	DRAVOWXCEBXPTN-UHFFFAOYSA-N
Molecular Formula	C5H5N5O

6-Mercaptopurine monohydrate, 98%

CAS: 6112-76-1 Molecular Formula: C5H6N4OS Molecular Weight (g/mol): 170.19 MDL Number: MFCD03854445,MFCD01461928 InChI Key: WFFQYWAAEWLHJC-UHFFFAOYSA-N Synonym: 6-mercaptopurine monohydrate,6-mercaptopurine hydrate,mercaptopurine monohydrate,mercaptopurine hydrate,6h-purine-6-thione, 1,7-dihydro-, monohydrate,6,7-dihydro-3h-purine-6-thione hydrate,purine-6-thiol monohydrate,1,7-dihydro-6h-purine-6-thione monohydrate,purine-6-thiol, monohydrate,unii-e7wed276i5 PubChem CID: 2724350 ChEBI: CHEBI:31822 IUPAC Name: 3,7-dihydropurine-6-thione;hydrate SMILES: O.S=C1N=CNC2=C1NC=N2

Pricing and Availability
Specifications

PubChem CID	2724350
CAS	6112-76-1
Molecular Weight (g/mol)	170.19
ChEBI	CHEBI:31822
MDL Number	MFCD03854445,MFCD01461928
SMILES	O.S=C1N=CNC2=C1NC=N2
Synonym	6-mercaptopurine monohydrate,6-mercaptopurine hydrate,mercaptopurine monohydrate,mercaptopurine hydrate,6h-purine-6-thione, 1,7-dihydro-, monohydrate,6,7-dihydro-3h-purine-6-thione hydrate,purine-6-thiol monohydrate,1,7-dihydro-6h-purine-6-thione monohydrate,purine-6-thiol, monohydrate,unii-e7wed276i5
IUPAC Name	3,7-dihydropurine-6-thione;hydrate
InChI Key	WFFQYWAAEWLHJC-UHFFFAOYSA-N
Molecular Formula	C5H6N4OS

Thermo Scientific Chemicals 3-Isobutyl-1-methylxanthine, 99+%

CAS: 28822-58-4 Molecular Formula: C10H14N4O2 Molecular Weight (g/mol): 222.25 MDL Number: MFCD00005584 InChI Key: APIXJSLKIYYUKG-UHFFFAOYSA-N Synonym: 3-isobutyl-1-methylxanthine,ibmx,isobutylmethylxanthine,1-methyl-3-isobutylxanthine,methylisobutylxanthine,3-isobutyl-1-methyl-1h-purine-2,6 3h,7h-dione,xanthine, 3-isobutyl-1-methyl,3-isobutyl-1-methyxanthine,1h-purine-2,6-dione, 3,7-dihydro-1-methyl-3-2-methylpropyl,methyl-isobutylxanthine PubChem CID: 3758 ChEBI: CHEBI:43253 SMILES: CC(C)CN1C2=C(NC=N2)C(=O)N(C)C1=O

Pricing and Availability
Specifications

PubChem CID	3758
CAS	28822-58-4
Molecular Weight (g/mol)	222.25
ChEBI	CHEBI:43253
MDL Number	MFCD00005584
SMILES	CC(C)CN1C2=C(NC=N2)C(=O)N(C)C1=O
Synonym	3-isobutyl-1-methylxanthine,ibmx,isobutylmethylxanthine,1-methyl-3-isobutylxanthine,methylisobutylxanthine,3-isobutyl-1-methyl-1h-purine-2,6 3h,7h-dione,xanthine, 3-isobutyl-1-methyl,3-isobutyl-1-methyxanthine,1h-purine-2,6-dione, 3,7-dihydro-1-methyl-3-2-methylpropyl,methyl-isobutylxanthine
InChI Key	APIXJSLKIYYUKG-UHFFFAOYSA-N
Molecular Formula	C10H14N4O2

2-Amino-6-hydroxy-8-mercaptopurine, 97%

CAS: 28128-40-7 Molecular Formula: C₅H₅N₅OS Molecular Weight (g/mol): 183.19 MDL Number: MFCD00075623 InChI Key: JHEKNTQSGTVPAO-UHFFFAOYSA-N Synonym: 2-amino-6-hydroxy-8-mercaptopurine,8-mercaptoguanine,2-amino-8-mercapto-7h-purin-6-ol,2-amino-8-sulfanyl-1,9-dihydro-6h-purin-6-one,2-amino-1,7,8,9-tetrahydro-2-thioxo-6h-purin-6-one,2-amino-8-mercapto-1,9-dihydro-purin-6-one,2-amino-8-thioxo-3,7-dihydropurin-6-one,2-amino-8-sulfanyl-7h-purin-6-ol,2-amino-8-sulfanyl-9h-purin-6-ol,2-amino-8-thioxo-1,7,8,9-tetrahydro-purin-6-one PubChem CID: 2725005 IUPAC Name: 2-amino-8-sulfanylidene-7,9-dihydro-3H-purin-6-one SMILES: C12=C(NC(=NC1=O)N)NC(=S)N2

Pricing and Availability
Specifications

PubChem CID	2725005
CAS	28128-40-7
Molecular Weight (g/mol)	183.19
MDL Number	MFCD00075623
SMILES	C12=C(NC(=NC1=O)N)NC(=S)N2
Synonym	2-amino-6-hydroxy-8-mercaptopurine,8-mercaptoguanine,2-amino-8-mercapto-7h-purin-6-ol,2-amino-8-sulfanyl-1,9-dihydro-6h-purin-6-one,2-amino-1,7,8,9-tetrahydro-2-thioxo-6h-purin-6-one,2-amino-8-mercapto-1,9-dihydro-purin-6-one,2-amino-8-thioxo-3,7-dihydropurin-6-one,2-amino-8-sulfanyl-7h-purin-6-ol,2-amino-8-sulfanyl-9h-purin-6-ol,2-amino-8-thioxo-1,7,8,9-tetrahydro-purin-6-one
IUPAC Name	2-amino-8-sulfanylidene-7,9-dihydro-3H-purin-6-one
InChI Key	JHEKNTQSGTVPAO-UHFFFAOYSA-N
Molecular Formula	C₅H₅N₅OS

1-Methyladenine, 95%, Thermo Scientific Chemicals

CAS: 5142-22-3 Molecular Formula: C6H7N5 Molecular Weight (g/mol): 149.16 MDL Number: MFCD00010532 InChI Key: HPZMWTNATZPBIH-UHFFFAOYSA-N Synonym: 1-methyladenine,1-methyl-1h-purin-6-amine,1h-purin-6-amine, 1-methyl,adenine, 1-methyl,n1-methyladenine,1-methyl-1h-purin-6-ylamine,6h-purin-6-imine, 1,9-dihydro-1-methyl,1-methyl-adenine,1-methyl-9h-purin-6-imine,1-methylhydropurine-6-ylamine PubChem CID: 78821 ChEBI: CHEBI:18083 IUPAC Name: 1-methylpurin-6-amine SMILES: CN1C=NC2=NC=NC2=C1N

Pricing and Availability
Specifications

PubChem CID	78821
CAS	5142-22-3
Molecular Weight (g/mol)	149.16
ChEBI	CHEBI:18083
MDL Number	MFCD00010532
SMILES	CN1C=NC2=NC=NC2=C1N
Synonym	1-methyladenine,1-methyl-1h-purin-6-amine,1h-purin-6-amine, 1-methyl,adenine, 1-methyl,n1-methyladenine,1-methyl-1h-purin-6-ylamine,6h-purin-6-imine, 1,9-dihydro-1-methyl,1-methyl-adenine,1-methyl-9h-purin-6-imine,1-methylhydropurine-6-ylamine
IUPAC Name	1-methylpurin-6-amine
InChI Key	HPZMWTNATZPBIH-UHFFFAOYSA-N
Molecular Formula	C6H7N5

Thermo Scientific Chemicals Xanthosine dihydrate, 99%

CAS: 5968-90-1 Molecular Formula: C₁₀H₁₂N₄O₆·₂H₂O Molecular Weight (g/mol): 320.26 InChI Key: AQQAMLPKPXTPOL-GWTDSMLYSA-N Synonym: xanthosine dihydrate,unii-1u62i480sp,9-2r,3r,4s,5r-3,4-dihydroxy-5-hydroxymethyl tetrahydrofuran-2-yl-9h-purine-2,6-diol dihydrate,xanthosine, dihydrate,xanthosine dihydrate mi,xanthosine,dihydrate,9-beta-d-ribofuranosyl xanthine dihydrate,9-,a-d-ribofuranosylxanthine,xanthosine, dihydrate 8ci,9ci PubChem CID: 91886582 IUPAC Name: 9-[(2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-3H-purine-2,6-dione;hydrate SMILES: C1=NC2=C(N1C3C(C(C(O3)CO)O)O)NC(=O)NC2=O.O

Pricing and Availability
Specifications

PubChem CID	91886582
CAS	5968-90-1
Molecular Weight (g/mol)	320.26
SMILES	C1=NC2=C(N1C3C(C(C(O3)CO)O)O)NC(=O)NC2=O.O
Synonym	xanthosine dihydrate,unii-1u62i480sp,9-2r,3r,4s,5r-3,4-dihydroxy-5-hydroxymethyl tetrahydrofuran-2-yl-9h-purine-2,6-diol dihydrate,xanthosine, dihydrate,xanthosine dihydrate mi,xanthosine,dihydrate,9-beta-d-ribofuranosyl xanthine dihydrate,9-,a-d-ribofuranosylxanthine,xanthosine, dihydrate 8ci,9ci
IUPAC Name	9-[(2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-3H-purine-2,6-dione;hydrate
InChI Key	AQQAMLPKPXTPOL-GWTDSMLYSA-N
Molecular Formula	C₁₀H₁₂N₄O₆·₂H₂O

2,6-Diaminopurine, 98%

CAS: 1904-98-9 Molecular Formula: C5H6N6 Molecular Weight (g/mol): 150.145 MDL Number: MFCD00213668 InChI Key: MSSXOMSJDRHRMC-UHFFFAOYSA-N Synonym: 2,6-diaminopurine,9h-purine-2,6-diamine,2-aminoadenine,1h-purine-2,6-diamine,2,6-diamino-9h-purine,purine, 2,6-diamino,purine-2,6-diyldiamine,unii-49p95bau4z,ccris 923,purine-2,6-diamine PubChem CID: 30976 ChEBI: CHEBI:40235 IUPAC Name: 7H-purine-2,6-diamine SMILES: C1=NC2=C(N1)C(=NC(=N2)N)N

Pricing and Availability
Specifications

PubChem CID	30976
CAS	1904-98-9
Molecular Weight (g/mol)	150.145
ChEBI	CHEBI:40235
MDL Number	MFCD00213668
SMILES	C1=NC2=C(N1)C(=NC(=N2)N)N
Synonym	2,6-diaminopurine,9h-purine-2,6-diamine,2-aminoadenine,1h-purine-2,6-diamine,2,6-diamino-9h-purine,purine, 2,6-diamino,purine-2,6-diyldiamine,unii-49p95bau4z,ccris 923,purine-2,6-diamine
IUPAC Name	7H-purine-2,6-diamine
InChI Key	MSSXOMSJDRHRMC-UHFFFAOYSA-N
Molecular Formula	C5H6N6

Thermo Scientific Chemicals Adenine sulfate, 98+%

Pricing and Availability
Specifications

PubChem CID	9449
CAS	321-30-2
Molecular Weight (g/mol)	368.33
MDL Number	MFCD00213655
SMILES	OS(O)(=O)=O.NC1=C2NC=NC2=NC=N1.NC1=C2NC=NC2=NC=N1
Synonym	adenine sulfate,adenine hemisulfate,7h-purin-6-amine sulfate 2:1,adeninsulfat,adeninium sulfate,adenine sulfate 2:1,adeninsulfat german,1h-purin-6-amine, sulfate 2:1,diadenine sulphate,unii-741gjf3k9m
IUPAC Name	7H-purin-6-amine;sulfuric acid
InChI Key	LQXHSCOPYJCOMD-UHFFFAOYSA-N
Molecular Formula	C10H12N10O4S

Imidazopyrimidines

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