| Name |
CAS# |
| 2-Thiouracil |
141-90-2 |
| 4-Phenyl-2-Thiouracil |
36822-11-4 |
| 4,5-Diamino-2-Thiouracil |
1004-76-8 |
| 4,5-Diaminouracil |
3240-72-0 |
4,5-Diaminouracil hemisulfate  |
63981-35-1 |
| 5-Alkyl uracils |
various |
| 5-Aminouracil |
932-52-5 |
| 5-Bromouracil |
51-20-7 |
| 5-Chlorouracil |
1820-81-1 |
| 5-Fluorouracil |
51-21-8 |
| 5-Nitrouracil |
611-08-5 |
| Substituted Uracils (many) |
various |
| |
|
| 2,4-Dichloropyrimidine |
3934-20-1 |
| 4,6-Dichloropyrimidine |
1193-21-1 |
| 4-Amino-6-chloropyrimidine |
5305-59-9 |
| 2-Amino-4,6-Dichloropyrimidine |
56-05-3 |
| 5-Amino-4,6-Dichloropyrimidine |
5413-85-4 |
| 5-Bromo-2,4-Dichloropyrimidine |
36082-50-5 |
| 2,4-Dichloro-5-fluoropyrimidine |
2927-71-1 |
| 2,4-Dichloro-5-Methylpyrimidine |
1780-31-0 |
| 2,4-Dichloro-5-nitropyrimidine |
49845-33-2 |
| 4,6-Dichloro-5-nitropyrimidine |
4316-93-2 |
| 2,4-Dichloro-6-methylpyrimidine |
5424-21-5 |
| 2,4,5-Trichloropyrimidine |
5750-76-5 |
| 2,4,6-Trichloropyrimidine |
3764-01-0 |
| |
|
| 5-Alkylcytosines |
various |
| 5-Bromocytosine |
2240-25-7 |
| 5-Chlorocytosine |
2347-43-5 |
| 5-Fluorocytosine |
2022-85-7 |
| 5-Iodocytosine |
1122-44-7 |
| 2-Thiocytosine |
333-49-3 |
| Substituted Cytosines (many) |
various |
| 3'-Deoxycytidine |
7057-33-2 |
| |
|
| 2-Aminopyrimidine |
109-12-6 |
| 2-Chloropyrimidine |
1722-12-9 |
| 2-Bromopyrimidine |
4595-60-2 |
| 2-Cyanopyrimidine |
14080-23-0 |
| 2-Mercaptopyrimidine |
1450-85-7 |
| 2-Hydroxypyrimidine |
557-01-7 |
| 4-Hydroxypyrimidine |
51953-17-4 |
| 5-Bromopyrimidine |
4595-59-9 |
| 5-Chloropyrimidine |
17180-94-8 |
| 5-Fluoropyrimidine |
675-21-8 |
| |
|
| 2,4-Diaminopyrimidine |
156-81-0 |
| 4,5-Diaminopyrimidine |
13754-19-3 |
| 4-Chloro-2,6-diaminopyrimidine |
156-83-2 |
| 2,4-Diamino-6-Mercaptopyrimidine |
56-08-6 |
| 4,5-Diamino-6-Thiopyrimidine |
2846-89-1 |
| 4,5-Diamino-6-Hydroxypyrimidine |
1672-50-0 |
| 4,5,6-Triaminopyrimidine |
118-70-7 |
| 4,5-Diamino-6-thiouracil sulfate |
|
| |
|
| 2-Bromo-4-Methylpyrimidine |
130645-48-6 |
| 2-Bromo-5-Methylpyrimidine |
unknown |
| 2-Hydroxy-4-Methylpyrimidine |
15231-48-8 |
| 2-Amino-4-Methylpyrimidine |
108-52-1 |
| 2-Mercapto-4-Methylpyrimidine |
35071-17-1 |
| |
|
| 2,4-Dialkoxypyrimidines (many) |
various |
| 2,4-Dimethoxypyrimidine |
3551-55-1 |
| 2-Amino-5-Iodopyrimidine |
1445-39-2 |
| 2-Amino-5-Nitropyrimidine |
3073-77-6 |
| 5-Bromo-2-Chloropyrimidine |
32779-36-5 |
| 5-Bromo-2-Hydroxypyrimidine |
38353-06-9 |
| 2-Chloro-5-fluoropyrimidine |
62802-42-0 |
