Code "U"���������Agent Name | CAS No. | |
| UCON LB 1715 | 37286-64-9 | |
| ULEXITE | 1319-33-1 | |
| ULTRAMARINE | | |
| ULTRAMARINE (MINERAL) | 1317-97-1 | |
| ULTRASOUND | | |
| ULTRAVIOLET - BLACK LIGHT | | |
| ULTRAVIOLET - GERMICIDAL | | |
| ULTRAVIOLET RADIATION | | |
| UMBER | 12713-03-0 | |
| UNDECALACTONE | | |
| UNDECANAL | 112-44-7 | |
| UNDECANAL, 2 - METHYL - | 110-41-8 | |
| UNDECANE | 1120-21-4 | |
| UNDECANEDIOIC ACID | 1852-04-6 | |
| UNDECANOIC ACID, 11 - AMINO - | 2432-99-7 | |
| UNDECANOIC ACID, 11 - BROMO - | 2834-05-1 | |
| UNDECANOIC ACID, BUTYL ESTER | 10580-24-2 | |
| UNDECANOIC ACID, 10 - (P - IODOPHENYL) - , ETHYL ESTER | 99-79-6 | |
| UNDECANOL | 30207-98-8 | |
| 4 - UNDECANOL, 7 - ETHYL - 2 - METHYL - , HYDROGEN SULFATE, SODIUM SALT | 139-88-8 | |
| UNDECANONE, 2 - | 112-12-9 | |
| 4 - UNDECANONE, 2 - METHYL - | 19594-40-2 | |
| 1, 3, 5 - UNDECATRIENE | 16356-11-9 | |
| 10 - UNDECENAL | 112-45-8 | |
| 9 - UNDECENAL, 2, 6, 10 - TRIMETHYL - | 141-13-9 | |
| UNDECENOIC ACID, 10 - | 112-38-9 | |
| UNDECENOIC ACID, CALCIUM SALT | 1322-14-1 | |
| UNDECENOIC ACID, 10 - , ETHYL ESTER | 692-86-4 | |
| UNDECENOIC ACID, ISOPENTYL ESTER | 12262-03-2 | |
| UNDECEN - 1 - OL, 10 - | 112-43-6 | |
| UNDECEN - 2 - ONE, 6, 10 - DIMETHYL - | 1322-58-3 | |
| UNIDECENOIC ACID, 10 - , ZINC SALT | 557-08-4 | |
| URACIL, 5 - FLUORO - | 51-21-8 | |
| URANIUM ACETATE | 23086-58-0 | |
| URANIUM, BIS(ACETATO) DIOXO - | 541-09-3 | |
| URANIUM, ISOTOPE OF MASS 238 | 24678-82-8 | |
| URANIUM, RADIOACTIVE ELEMENT (MASS UNKNOWN) | | |
| URANIUM, RADIOACTIVE ELEMENT (NATURALLY OCCURING) | | |
| URANYL CITRATE | | |
| URANYL NITRATE | | |
| UREA | 57-13-6 | |
| UREA, 1 - ALLYL - 2 - THIO - | 109-57-9 | |
| UREA, BENZOATE | 21835-57-4 | |
| UREA, 1 - BUTYL - 3 - (P - TOLYLSULFONYL) - | 64-77-7 | |
| UREA, 1 - BUTYL - 3 - (P - TOLYLSULFONYL) - , MONOSODIUM SALT | 473-41-6 | |
| UREA, 1 - (2 - CHLOROETHYL) - 3 - CYCLOHEXYL - 1 - NITROSO - | 13010-47-4 | |
| UREA, N - (2 - CHLOROETHYL) - N' - (4 - METHYLCYCLOHEXYL) - N - NITROSO - | 13909-09-6 | |
| UREA, 1, 3 - BIS(2 - CHLOROETHYL) - 1 - NITROSO - | 154-93-8 | |
| UREA, COMPD. WITH HYDROGEN PEROXIDE (1:1) | 124-43-6 | |
| UREA CONDENSATION PRODUCTS, WITH FORMALDEHYDE AND MELAMINE | 25036-13-9 | |
| UREA, 1, 3 - DIBUTYL - 2 - THIO - | 109-46-6 | |
| UREA, 3 - (3, 4 - DICHLOROPHENYL) - 1, 1 - DIMETHYL - | 330-54-1 | |
| UREA, 1, 3 - DIETHYL - 2 - THIO - | 105-55-5 | |
| UREA, 1, 1 - DIMETHYL - 3, 3 - DIPHENYL - | 2990-01-4 | |
| UREA, N, N - DIMETHYL - N' - (3 - (TRIFLUOROMETHYL) PHENYL) - | 2164-17-2 | |
| UREA, 1 - ETHYL - 2 - THIO - | 625-53-6 | |
| UREA, HOMOPOLYMER | 37955-36-5 | |
| UREA, HYDROXY - | 127-07-1 | |
| UREA, N - (1, 3 - BIS(HYDROXYMETHYL) - 2, 5 - DIOXO - 4 - IMIDAZOLIDINYL) - N, N' - BIS(HYDROXYMETHYL) - | 78491-02-8 | |
| UREA, 1, 1' - ISOBUTYLIDENEDI - | 6104-30-9 | |
| UREA, N, N'' - (METHYLENEDI - 4, 1 - PHENYLENE) BIS(N' - TRIDECYL - | 71216-00-7 | |
| UREA, 1 - (1 - NAPHTHYL) - 2 - THIO - | 86-88-4 | |
| UREA, 1 - ((P - CHLOROPHENYL) SULFONYL) - 3 - PROPYL - | 94-20-2 | |
| UREA, POLYMER WITH N - (2 - AMINOETHYL) - 1, 2 - ETHANEDIAMINE AND FORMALDEHYDE | 61472-52-4 | |
| UREA, POLYMER WITH CYANOGUANIDINE AND FORMALDEHYDE | 27968-41-8 | |
| UREA, POLYMER WITH FORMALDEHYDE | 9011-05-6 | |
| UREA, POLYMER WITH FORMALDEHYDE AND 2 - FURANMETHANOL | 25154-81-8 | |
| UREA, POLYMER WITH FORMALDEHYDE AND PHENOL | 25104-55-6 | |
| UREA, POLYMER WITH FORMALDEHYDE AND 2 - PROPANONE | 9003-10-5 | |
| UREA, POLYMER WITH FORMALDEHYDE, BUTYLATED | 68002-19-7 | |
| UREA, POLYMER WITH FORMALDEHYDE, 2 - FURANMETHANOL, PHENOL AND 1, 3, 5 - TRIAZINE - 2, 4, 6 - TRIAMINE | 68072-31-1 | |
| UREA, POLYMER WITH FORMALDEHYDE, ISOBUTYLATED | 68002-18-6 | |
| UREA, POLYMER WITH FORMALDEHYDE, METHYLATED | 68071-45-4 | |
| UREA, POWDER | 57-13-6 | |
| UREA, REACTION PRODUCTS WITH FORMALDEHYDE | 68611-64-3 | |
| UREASE | 9002-13-5 | |
| URETHANE ALKYD | | |
| URIC ACID | 69-93-2 | |
| URIC ACID CARBONATE | | |
| URIC ACID, MONOSODIUM SALT | 1198-77-2 | |
| URIDINE | 58-96-8 | |
| URIDINE, 5 - BROMO - 2' - DEOXY - | 59-14-3 | |
| URIDINE, 2' - DEOXY - 5 - FLUORO - | 50-91-9 | |
| URIDINE, 2' - DEOXY - 5 - IODO - | 54-42-2 | |
| URIDINE 5' - (TRIHYDROGEN PYROPHOSPHATE) , MONO - ALPHA - D - GALACTOPYRANOSYL ESTER | 2956-16-3 | |
| URIDINE 5' - (TRIHYDROGEN PYROPHOSPHATE) , MONO - ALPHA - D - GLUCOPYRANOSYL ESTER | 133-89-1 | |
| UROBILINOGEN | | |
| UVA URSI | | |
| UVA URSI POWDERED EXTRACT | |