accessibility menu, dialog, popup

UserName

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.
Quantity 
  • (1)
  • (1)
  • (23)
  • (8)
  • (1)
  • (6)
  • (4)
  • (26)
  • (12)
  • (1)
  • (1)
  • (22)
  • (2)
  • (7)
  • (10)
  • (27)
  • (3)
  • (8)
  • (14)
  • (4)
Molecular Weight (g/mol) 
  • (9)
  • (2)
  • (7)
  • (1)
  • (2)
  • (1)
  • (7)
  • (5)
  • (2)
  • (11)
  • (5)
  • (6)
  • (2)
  • (2)
  • (1)
  • (5)
  • (3)
  • (8)
  • (6)
  • (2)
  • (2)
  • (1)
  • (5)
  • (16)
  • (3)
  • (7)
  • (1)
  • (2)
  • (1)
  • (2)
  • (6)
  • (3)
  • (1)
  • (1)
  • (4)
  • (2)
  • (2)
  • (6)
  • (2)
  • (3)
  • (2)
  • (2)
  • (4)
  • (1)
  • (1)
  • (2)
  • (3)
  • (2)
Percent Purity 
  • (1)
  • (14)
  • (4)
  • (3)
  • (2)
  • (2)
  • (1)
  • (1)
  • (14)
  • (38)
  • (3)
  • (4)
  • (3)
  • (33)
  • (5)
  • (2)
  • (1)
  • (1)
  • (2)
Physical Form 
  • (17)
  • (3)
  • (1)
  • (2)
  • (2)
  • (5)
  • (2)
  • (3)
  • (59)
  • (11)
Grade 
  • (1)
  • (7)
  • (3)

Filtered Search Results

Products from some of our suppliers do not display in filtered search results. Please clear all filters to see these products.

Narrow Results

Narrow Results

No results found within this category. Try removing some selected filters and try again.

category

special offers

  • (21)
  • (27)

brands

  • (2)
  • (1)
  • (32)
  • (7)
  • (5)
  • (5)
  • (59)
  • (63)
  • (7)

special programs

  • (3)
  • (7)
  • (3)

Quantity

  • (1)
  • (1)
  • (23)
  • (8)
  • (1)
  • (6)
  • (4)
  • (26)
  • (12)
  • (1)
  • (1)
  • (22)
  • (2)
  • (7)
  • (10)
  • (27)
  • (3)
  • (8)
  • (14)
  • (4)

Molecular Weight (g/mol)

  • (9)
  • (2)
  • (7)
  • (1)
  • (2)
  • (1)
  • (7)
  • (5)
  • (2)
  • (11)
  • (5)
  • (6)
  • (2)
  • (2)
  • (1)
  • (5)
  • (3)
  • (8)
  • (6)
  • (2)
  • (2)
  • (1)
  • (5)
  • (16)
  • (3)
  • (7)
  • (1)
  • (2)
  • (1)
  • (2)
  • (6)
  • (3)
  • (1)
  • (1)
  • (4)
  • (2)
  • (2)
  • (6)
  • (2)
  • (3)
  • (2)
  • (2)
  • (4)
  • (1)
  • (1)
  • (2)
  • (3)
  • (2)

Percent Purity

  • (1)
  • (14)
  • (4)
  • (3)
  • (2)
  • (2)
  • (1)
  • (1)
  • (14)
  • (38)
  • (3)
  • (4)
  • (3)
  • (33)
  • (5)
  • (2)
  • (1)
  • (1)
  • (2)

Physical Form

  • (17)
  • (3)
  • (1)
  • (2)
  • (2)
  • (5)
  • (2)
  • (3)
  • (59)
  • (11)

Grade

  • (1)
  • (7)
  • (3)

Boiling Point

  • (3)
  • (1)
1 – 15 of 90 results
1
Promotions Available

Xanthine, 98%

CAS: 69-89-6 Molecular Formula: C5H4N4O2 Molecular Weight (g/mol): 152.11 MDL Number: MFCD00078453 InChI Key: LRFVTYWOQMYALW-UHFFFAOYSA-N Synonym: xanthine,2,6-dihydroxypurine,xanthin,2,6-dioxopurine,pseudoxanthine,1h-purine-2,6 3h,7h-dione,isoxanthine,xanthic oxide,1h-purine-2,6-diol,9h-purine-2,6-diol PubChem CID: 1188 ChEBI: CHEBI:17712 IUPAC Name: 3,7-dihydropurine-2,6-dione SMILES: C1=NC2=C(N1)C(=O)NC(=O)N2

EDGE
PubChem CID 1188
CAS 69-89-6
Molecular Weight (g/mol) 152.11
ChEBI CHEBI:17712
MDL Number MFCD00078453
SMILES C1=NC2=C(N1)C(=O)NC(=O)N2
Synonym xanthine,2,6-dihydroxypurine,xanthin,2,6-dioxopurine,pseudoxanthine,1h-purine-2,6 3h,7h-dione,isoxanthine,xanthic oxide,1h-purine-2,6-diol,9h-purine-2,6-diol
IUPAC Name 3,7-dihydropurine-2,6-dione
InChI Key LRFVTYWOQMYALW-UHFFFAOYSA-N
Molecular Formula C5H4N4O2
2
Promotions Available

Theobromine, 99%

CAS: 83-67-0 Molecular Formula: C7H8N4O2 Molecular Weight (g/mol): 180.167 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

EDGE
PubChem CID 5429
CAS 83-67-0
Molecular Weight (g/mol) 180.167
ChEBI CHEBI:28946
MDL Number MFCD00022830
SMILES CN1C=NC2=C1C(=O)NC(=O)N2C
Synonym theobromine,3,7-dimethylxanthine,diurobromine,teobromin,theosalvose,theostene,santheose,thesodate,thesal,theobromin
IUPAC Name 3,7-dimethylpurine-2,6-dione
InChI Key YAPQBXQYLJRXSA-UHFFFAOYSA-N
Molecular Formula C7H8N4O2
3

Uric acid, 99%, Thermo Scientific Chemicals

CAS: 69-93-2 Molecular Formula: C5H4N4O3 Molecular Weight (g/mol): 168.112 MDL Number: MFCD00005712 InChI Key: LEHOTFFKMJEONL-UHFFFAOYSA-N Synonym: uric acid,urate,2,6,8-trioxypurine,lithic acid,2,6,8-trihydroxypurine,2,6,8-trioxopurine,1h-purine-2,6,8-triol,8-hydroxyxanthine,7,9-dihydro-1h-purine-2,6,8 3h-trione,1h-purine-2,6,8 3h-trione, 7,9-dihydro PubChem CID: 1175 ChEBI: CHEBI:17775 IUPAC Name: 7,9-dihydro-3H-purine-2,6,8-trione SMILES: C12=C(NC(=O)N1)NC(=O)NC2=O

EDGE
PubChem CID 1175
CAS 69-93-2
Molecular Weight (g/mol) 168.112
ChEBI CHEBI:17775
MDL Number MFCD00005712
SMILES C12=C(NC(=O)N1)NC(=O)NC2=O
Synonym uric acid,urate,2,6,8-trioxypurine,lithic acid,2,6,8-trihydroxypurine,2,6,8-trioxopurine,1h-purine-2,6,8-triol,8-hydroxyxanthine,7,9-dihydro-1h-purine-2,6,8 3h-trione,1h-purine-2,6,8 3h-trione, 7,9-dihydro
IUPAC Name 7,9-dihydro-3H-purine-2,6,8-trione
InChI Key LEHOTFFKMJEONL-UHFFFAOYSA-N
Molecular Formula C5H4N4O3
5
Promotions Available

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

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
6

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

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
7
Promotions Available

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

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
8
Promotions Available

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

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
9

Thermo Scientific Chemicals Adenine, 99%

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

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
10
Promotions Available

Theophylline, 99+%, anhydrous

CAS: 58-55-9 Molecular Formula: C7H8N4O2 Molecular Weight (g/mol): 180.17 MDL Number: MFCD00079619 InChI Key: ZFXYFBGIUFBOJW-UHFFFAOYSA-N Synonym: theophylline,1,3-dimethylxanthine,elixophyllin,theophyllin,theolair,nuelin,theophylline anhydrous,respbid,theocin,theo-dur PubChem CID: 2153 ChEBI: CHEBI:28177 IUPAC Name: 1,3-dimethyl-7H-purine-2,6-dione SMILES: CN1C2=C(C(=O)N(C1=O)C)NC=N2

PubChem CID 2153
CAS 58-55-9
Molecular Weight (g/mol) 180.17
ChEBI CHEBI:28177
MDL Number MFCD00079619
SMILES CN1C2=C(C(=O)N(C1=O)C)NC=N2
Synonym theophylline,1,3-dimethylxanthine,elixophyllin,theophyllin,theolair,nuelin,theophylline anhydrous,respbid,theocin,theo-dur
IUPAC Name 1,3-dimethyl-7H-purine-2,6-dione
InChI Key ZFXYFBGIUFBOJW-UHFFFAOYSA-N
Molecular Formula C7H8N4O2
11
Promotions Available

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

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
12

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

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
13

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

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
15

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

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