| Vadimezan, [3H]- | MT 2091 |
| Valaciclovir | M 1571 |
| Valaciclovir, [8-3H]- | MT 1571 |
| Valganciclovir | M 1842 |
| L-Valine | M 1918 |
| L-Valine, [14C(U)]- | MC 277 |
| D-Valine, [1-14C]- | MC 1383 |
| L-Valine, [1-14C]- | MC 1133 |
| L-Valine, [3H]- | MT 1654 |
| L-Valine, [3,4-3H]- Discontinued | MT 883 |
| Valnemulin, HCl salt, [1-amino-2-methyl-14C2-propane-2-thiol]- (>50 mCi(1.85GBq)/mmol) | MC 2588 |
| Valnemulin, HCl salt, [1-amino-2-methyl-propane-2-thiol-14C]- (>100 mCi(3.7GBq)/mmol) | MC 2574 |
| Valproic acid, sodium salt, [4,5-3H]- | MT 556 |
| Valsartan | M 1901 |
| Valsartan, [tetrazol-14C]- | MC 2487 |
| Valsartan, [3H]- | MT 2034 |
| Valyl-tyrosine, [tyrosine-3,5-3H]- | MT 971 |
| Vandetanib, [3H]- | MT 2146 |
| Vemurafenib, [3H]- | MT 2046 |
| Verinurad, [methyl-3H]- | MT 2133 |
| Verinurad, [naphthalene-1,4,5,8-14C]- | MC 2706 |
| Vilazodone, [3H]- | MT 2161 |
| Vinblastine, [acetyl-1,2-14C]- Discontinued | MC 2052 |
| Vinblastine sulfate, [3H]- | MT 657 |
| Vinblastine sulfate, [3H]- | MT 657S |
| Vincristine sulphate, [3H]- | MT 658 |
| Viramidine, [5-14C]- (β-D-Ribamidine, [5-14C]-) | MC 2057 |
| Virazole, [5-14C]- (Ribavirin, [5-14C]-) | MC 2011 |
| D-Virazole, [triazole-5-3H]- (D-Ribavirin, [triazole-5-3H]-) | MT 540 |
| Vismodegib, [3H]- | MT 2128 |
| Vitamin B2, [3H]- (Riboflavin, [3H]-) | MT 605 |
| Vitamin D3, [22,23-3H]- Discontinued | MT 2054 |
| Vitamin D3, [3H]- | MT 2191 |
| Vitamin K3, [3H]- (Menadione, [3H]-) | MT 664 |
| Vitamin K3, sodium bisulfite, [3H]- (Menadione, sodium bisulfite, [3H]-) | MT 664S |
| Vorapaxar, [3H]- | MT 2145 |
| Voriconazole, [3H]- | MT 1959 |
| VP-16-213, [3H]- (Etoposide, [3H]-) (Podophyllotoxin derivative, [3H]-) | MT 786 |
| (R)-Warfarin, [phenyl-4-3H]- | MT 1627 |
| (R,S)-Warfarin, [phenyl-4-3H]- | MT 1620 |
| (S)-Warfarin, [phenyl-4-3H]- | MT 1628 |
| (R)-Warfarin, [3H]- | MT 1921 |
| (R,S)-Warfarin, [3H]- | MT 1919 |
| (S)-Warfarin, [3H]- | MT 1922 |
| Water, [3H]-, 1 mCi (37 MBq)/g | MT 924B |
| Water, [3H]-, 25 mCi (925 MBq)/g | MT 924C |
| Water, [3H]-, 1 Ci (37 GBq)/g | MT 924D |
| Water, [3H]-, 5 Ci (185 GBq)/g | MT 924E |
| Water, [3H]-, 10 Ci (370 GBq)/g | MT 924F |
| WS 12, [carboxamide-14C]- | MC 2794 |