Available Nucleotide standards
The Center have ~30 Nucleotide standards. The standards are listed below together with respective HMDB and KEGG identifiers.
| Name | Precursor Formula | HMDB | KEGG |
| 2-deoxy Adenosine | C10H13N5O3 | HMDB0000101 | C00559 |
| 5-deoxy-5-(methylthio) Adenosine | C11H15N5O3S | HMDB0001173 | C00170 |
| N6-methyl-deoxy Adenosine | C11H15N5O3 | n/a | n/a |
| 2-deoxy Guanosine | C10H13N5O4 | HMDB0000085 | C00330 |
| N2-ethyl-deoxy Guanosine | C12H17N5O4 | n/a | n/a |
| 2-deoxy Cytidine | C9H13N3O4 | HMDB0000014 | C00881 |
| 5-carboxy-deoxy Cytidine | C10H13N3O6 | n/a | n/a |
| 5-formyl-deoxy Cytidine | C10H13N3O5 | n/a | n/a |
| 5-methyl-deoxy Cytidine | C10H15N3O4 | HMDB0002224 | C03592 |
| 5-hydroxy-methyl-deoxy Cytidine | C10H15N3O5 | n/a | n/a |
| 2-deoxy Uridine | C9H12N2O5 | HMDB0000012 | C00526 |
| 2-deoxy Inosine | C10H12N4O4 | HMDB0000071 | C05512 |
| Thymidine | C10H14N2O5 | HMDB0000273 | C00214 |
| 1-methyl Adenosine | C11H15N5O4 | HMDB0003331 | C02494 |
| N6-methyl Adenosine | C11H15N5O4 | HMDB0004044 | n/a |
| Adenosine | C10H13N5O4 | HMDB0000050 | C00212 |
| Guanosine | C10H13N5O5 | HMDB0000133 | C00387 |
| 1-methyl Guanosine | C11H15N5O5 | HMDB0001563 | C04545 |
| 7-methyl Guanosine | C11H15N5O5 | HMDB0001107 | n/a |
| N2-methyl Guanosine | C11H15N5O5 | HMDB0005862 | n/a |
| 2-O-methyl Guanosine | C11H15N5O5 | n/a | n/a |
| 8-hydroxy Guanosine | C10H13N5O6 | HMDB0002044 | n/a |
| N2-N2-dimethyl Guanosine | C12H17N5O5 | HMDB0004824 | n/a |
| Cytidine | C9H13N3O5 | HMDB0000089 | C00475 |
| 3-methyl Cytidine | C10H15N3O5 | HMDB0240577 | n/a |
| 5-methyl Cytidine | C10H15N3O5 | HMDB0000982 | n/a |
| 2-O-methyl Cytidine | C10H15N3O5 | n/a | n/a |
| Uridine | C9H12N2O6 | HMDB0000296 | C00299 |
| 5-methyl Uridine | C10H14N2O6 | HMDB0000884 | n/a |
| 2-O-methyl Uridine | C10H14N2O6 | HMDB0240328 | n/a |
| pseudoUridine | C9H12N2O6 | HMDB0000767 | C02067 |
| Inosine | C10H12N4O5 | HMDB0000195 | C00294 |
| Xanthosine | C10H12N4O6 | HMDB0000299 | C01762 |
| Xanthosine-monophosphate | C10H13N4O9P | HMDB0001554 | C00655 |