| # | Species | Formula |
| 3168 | Cr(NO)4 (Geo) | N4O4Cr | |
| 3169 | Cr(CO)5 | C5O5Cr | |
| 3170 | Cr(CO)5(Py) | C10H5NO5Cr | |
| 3171 | Cr(CO)5(Piperidine) | C10H10NO5Cr | |
| 3172 | Cr(III)(H2O)6 (3+) (TAPBUH) (Geo) | H12O6Cr | |
| 3173 | Cr(II)(H2O)6 | H12O6Cr | |
| 3174 | Cr(II)(H2O)6 (Geo) | H12O6Cr | |
| 3175 | Chromium hexacarbonyl | C6O6Cr | |
| 3176 | Chromium hexacarbonyl (Geo) | C6O6Cr | |
| 3177 | Cr(III)O3(1+) (BAPWIZ) (Geo) | C10H18O6Cr | |
| 3178 | Cr(III)O6(1+) (ATOLAW) (Geo) | C14H14O6Cr | |
| 3179 | Cr(III)O6 (ACACCR) (Geo) | C15H21O6Cr | |
| 3180 | Chromium(III) EDTA (Geo) | C10H12N2O8Cr | |
| 3181 | Cr(III)O6 (KOXACR) | C4H4O10Cr | |
| 3182 | Cr(III)O6 (KOXACR) (Geo) | C4H4O10Cr | |
| 3183 | Cr(III)(ox)3 (Geo) | C6O12Cr | |
| 3184 | Cr(III)O6 (AMOXCR) | C6O12Cr | |
| 3185 | Cr(III)O6 (AMOXCR) (Geo) | C6O12Cr | |
| 3186 | Chromium(I) fluoride | FCr | |
| 3187 | Chromium(I) fluoride (Geo) | FCr | |
| 3188 | Chromium difluoride | F2Cr | |