| 103657-85-8 | undecanol, ethoxylated, propoxylated | C16H34O3 |
| 103479-09-0 | Urea, N,N-(methyl-1,3-phenylene)bisN-phenyl- | C21H20 N4 O2 |
| 103170-35-0 | Urea, polymers with formaldehyde, phenol and sulfonated methylated phenol, ammonium salts | C8H15N3O3 |
| 103170-33-8 | Urea, polymers with formaldehyde and sulfonated methylated phenol, sodium salts | C8H13N2NaO3 |
| 102922-88-3 | Urea, octadecyl-, reaction products with formaldehyde and iso-Bu alc. | C24H52N2O3 |
| 101433-55-0 | Uracil, 6-amino-5-(2-dibutylaminoacetamido)-1,3-dimethyl- (6CI) | C16H29 N5 O3 |
| 101269-40-3 | Uracil, 6-amino-5-[2-(benzylmethylamino)acetamido]-1,3-dimethyl- (6CI) | C16H21 N5 O3 |
| 100454-46-4 | Uracil, 6-amino-5-(2-diethylaminoacetamido)-1,3-dimethyl- (6CI) | C12H21 N5 O3 |
| 100383-48-0 | Urea, (6-ethoxy-2-mercapto-3-pyridyl)- (6CI) | C8H11 N3 O2 S |
| 100061-75-4 | Urea, 1-(8-hydroxy-2-methyl-4-oxo-3(4H)-quinazolinyl)-3-methyl-2-thio- (6CI) | C11H12 N4 O2 S |
| 19804-02-5 | Uracil, 4,5-diamino-2-thio- (8CI) | C4H8 N4 O S |
| 18354-06-8 | Uracil Arabinonucleoside 5'-Phosphate | C9H13 N2 O9 P |
| 18324-22-6 | Uracil, dimer, syn- (8CI) | C4 H4 N2 O2 |
| 17615-91-7 | Undecane,5,6-dimethyl- | C13H28 |
| 17312-83-3 | UNDECANE5,7-DIMETHYL | C13H28 |
| 17312-81-1 | UNDECANE,3,5-DIMETHYL- | C13H28 |
| 17301-32-5 | Undecane,4,7-dimethyl- | C13H28 |
| 17301-31-4 | UNDECANE,3,9-DIMETHYL- | C13H28 |
| 17301-29-0 | Undecane,3,7-dimethyl- | C13H28 |
| 17301-27-8 | Undecane,2,10-dimethyl- | C13H28 |
| 17301-26-7 | UNDECANE,2,9-DIMETHYL- | C13H28 |
| 16514-79-7 | Urea, 1,3-dimethyl-1-tricyclo[2.2.1.02,6]hept-3-yl- (8CI) | C10H16 N2 O |
| 16279-23-5 | Urea, (5-methyl-1,3,4-thiadiazol-2-yl)- (6CI,8CI,9CI) | C4H6 N4 O S |
| 16279-22-4 | Urea, 1,3,4-thiadiazol-2-yl- (9CI) | C3H4 N4 O S |
| 14567-72-7 | uvarovite | Ca. 2/3 Cr . H4 O4 Si |
| 13763-23-0 | Uranium(VI) chloride. | Cl6U |
| 13505-35-6 | Undeca-4,8-dione | C11H20 O2 |
| 13470-21-8 | Uranium(V) chloride. | Cl5U |
| 13250-38-9 | Urs-12-en-28-al | C30H48 O |
| 13216-34-7 | Urea, 1,1-dimethyl-3-tricyclo[2.2.1.02,6]hept-3-yl- (8CI) | C10H16 N2 O |
| 12326-21-5 | Uranium(VI) oxide hydrate. | H2O . x O3 U |
| 12076-62-9 | Uranium carbide. | CH4U |
| 12037-15-9 | Uranium oxide. |
| 12033-83-9 | Uranium nitride. | N2U |
| 12005-48-0 | undecaaluminium sodium heptadecaoxide | AlNaO2 |
| 10160-98-2 | UNDECA-1,5-DIYNE | C11H16 |
| 1579-85-7 | Urea, 1-methyl-2-thio-1-(-alpha-,-alpha-,-alpha--trifluoro-m-tolyl)- (7CI,8CI) | C9H9 F3 N2 S |
| 1448-99-3 | Urea, N,N-bis(hydroxymethyl)- (9CI) | C3H8 N2 O3 |
| 1319-33-1 | Ulexite | BH3 O3 . 1/5 Ca . 2/5 H2 O . 1/5 Na |
| 28432-94-2 | Urea, polymer with N,N'-bis(2-aminoethyl)-1,2-ethanediamine and formaldehyde | C8H24N6O2 |
| 27552-95-0 | UPU AMMONIUM SALT | C18H23 N4 O14 P . H3 N |
| 27531-21-1 | UPA AMMONIUM SALT | C19H24 N7 O12 P . H3 N |
| 22771-70-6 | Urea, 1-methyl-3-(4-methyl-1-piperazinyl)- (8CI) | C7H16N4O |
| 22743-80-2 | URANYL SULFATE | H2O . 1/3 O6 S U |
| 27072-01-1 | Uracil, trimer (8CI) | C4 H4 N2 O2 |
| 26995-91-5 | UROFOLLITROPIN | C42H65 N11 O12 S2 |
| 197502-59-3 | Urea, 1-(4-chlorophenyl)-3-[3-(2-methyl-1-piperidyl)propyl]- | C16H24 Cl N3 O |
| 188558-87-4 | Urea, N-hydroxy-N-(5-methyl-3-isoxazolyl)- (9CI) | C5H7 N3 O3 |
| 181314-60-3 | Urea, polymer with 1,4-butanediol and formaldehyde, butylated |
| 177591-11-6 | Unsatd.(C=18) fatty acids dimers, hydrogenated polymers with adipic acid and 1,6-hexanediol |
| 177084-94-5 | Urea, (4-acetyl-1H-1,2,3-triazol-1-yl)- (9CI) | C5H7 N5 O2 |
| 175357-18-3 | UNDECYLENOYL PHENYLALANINE | C20H29 N O3 |
| 165047-01-8 | URIDINE, 2'-BROMO-2'-DEOXY-5-METHYL-, 5'-BENZOATE 3'-METHANESULFONATE | C18H19 Br N2 O8 S |
| 164332-41-6 | Urea, 1-imidazolidinyl- (9CI) | C4H10 N4 O |
| 144862-38-4 | Uridine, 5-heptafluoropropyl- | C12H11 F7 N2 O6 |
| 144141-34-4 | Urea, N-(1,2-dihydro-2-oxo-3-pyridinyl)-N-propyl- (9CI) | C9H13 N3 O2 |
| 143470-11-5 | Urea, N,N-dimethyl-N-1-propenyl-, (Z)- (9CI) | C6H12 N2 O |
| 143470-10-4 | Urea, N,N-dimethyl-N-1-propenyl-, (E)- (9CI) | C6H12 N2 O |
| 155098-83-2 | Uridine, 5-O-[bis(4-methoxyphenyl)phenylmethyl]-2-deoxy-2-[[(9H-fluoren-9-ylmethoxy)carbonyl]amino]-, 3-[2-cyanoethyl bis(1-methylethyl)phosphoramidite] (9CI) | C54H58 N5 O10 P |
| 449789-96-2 | Urea, N-(4-ethylphenyl)-N-(1-methylethyl)- (9CI) | C12H18 N2 O |
| 447429-22-3 | Urea, N-(4-ethylphenyl)-N-propyl- (9CI) | C12H18 N2 O |
| 447429-08-5 | Urea, N,N-dimethyl-N-propyl- (9CI) | C6H14 N2 O |
| 428500-02-1 | Urea, [2-(butylamino)-3,4-dioxo-1-cyclobuten-1-yl]- (9CI) | C9H13 N3 O3 |
| 428499-97-2 | Urea, N-(2-amino-3,4-dioxo-1-cyclobuten-1-yl)-N-(2-methylpropyl)- (9CI) | C9H13 N3 O3 |
| 428499-95-0 | Urea, (2-amino-3,4-dioxo-1-cyclobuten-1-yl)- (9CI) | C5H5 N3 O3 |
| 40333-70-8 | Urea, N-(methoxymethyl)-N,N-dimethyl- (9CI) | C5H12 N2 O2 |
| 4953-57-5 | Urea, 1-(cyanothioformyl)-3-methyl-1-p-tolyl- (7CI,8CI) | C11H11 N3 O S |
| 4657-47-0 | Urea, 1-furfuryl-1-phenyl-2-thio- (7CI,8CI) | C12H12 N2 O S |
| 46421-64-1 | Urea, N-2-benzothiazolyl-N-ethenyl- (9CI) | C10H9 N3 O S |
| 349492-32-6 | Urea, (1-methyl-1H-imidazol-5-yl)- (9CI) | C5H8 N4 O |
| 347841-46-7 | URSODEOXYCHOLIC-2,2,4,4-D4 ACID | C24H36 D4 O4 |
| 31468-12-9 | Urea, N'-cyclohexyl-N,N-dimethyl- | C9H18 N2 O |
| 388565-53-5 | Urea, N-[2-(trifluoromethyl)-1,8-naphthyridin-3-yl]-N-[3-(trifluoromethyl)phenyl]- (9CI) | C17H10 F6 N4 O |
| 289631-42-1 | Urea, N-(5,7-dimethyl-1,8-naphthyridin-2-yl)-N-(4-nitrophenyl)- (9CI) | C17H15 N5 O3 |
| 289630-80-4 | Urea, N-(5,7-dimethyl-1,8-naphthyridin-2-yl)-N-(3-methylphenyl)- (9CI) | C18H18 N4 O |
| 289630-79-1 | Urea, N-(3,4-dichlorophenyl)-N-(5,7-dimethyl-1,8-naphthyridin-2-yl)- (9CI) | C17H14 Cl2 N4 O |
| 288309-94-4 | Urea, N-(5,7-dimethyl-1,8-naphthyridin-2-yl)-N-[3-(trifluoromethyl)phenyl]- (9CI) | C18H15 F3 N4 O |
| 35803-45-3 | URACIL-2-13C | C4H4 N2 O2 |
| 3514-78-1 | Urea, 2-azine with 2-cyanoglyoxylamide (8CI) | C4H6 N6 O |
| 259269-08-4 | Urea, (4,5-dimethyl-4H-pyrazol-3-yl)- (9CI) | C6H10 N4 O |
| 3138-51-0 | Urea-18O | CH4 N2 O |
| 34240-07-8 | URIDINE, PERIODATE OXIDIZED | C9H10 N2 O6 |
| 33779-14-5 | Urea, 1-methyl-3-tricyclo[3.2.1.02,4]oct-3-yl- (8CI) | C10H16 N2 O |
| 229028-71-1 | Urea, N-(2-aminoethyl)-N-(1-methylethyl)- (9CI) | C6H15 N3 O |
| 33108-69-9 | Urea, N-hydroxy-N-(4-methylphenyl)- | C8H10 N2 O2 |
| 33044-38-1 | URIDINE DIPHOSPHATE N-ACETYL-D-GALACTOSAMINE, [GALACTOSAMINE-6-3H(N)] | C17H25 N3 O17 P2 T2 |
| 32420-91-0 | Urea, 1-propyl-3-(4-pyridyl)-2-thio- (8CI) | C9H13 N3 S |
| 32411-88-4 | Urea, 1-propyl-3-(3-pyridyl)-2-thio- (8CI) | C9H13 N3 S |
| 216142-80-2 | Urea, N-(1,1-dimethylethyl)-N-methyl- (9CI) | C6H14 N2 O |
| 208038-28-2 | URSODEOXYCHOLIC ACID ACYL-B-D-GLUCURONIDE | C30H48 O10 |
| 25193-88-8 | URIDINE DIPHOSPHATE GLUCOSE, [GLUCOSE-14C(U)] | C15H24 N2 O17 P2 |
| 20666-60-8 | URACIL-1,3-D2 | C4H2 D2 N2 O2 |
| 24897-55-0 | URACIL-D4 | C4D4 N2 O2 |
| 24897-52-7 | URACIL-5,6-D2 | C4H2 D2 N2 O2 |
| 20089-73-0 | Urs-12-en-28-oic acid, 2-hydroxy-3,23-[(1-methylethylidene)bis(oxy)]-1 1-oxo-, methyl ester, (2alpha,3beta,4alpha)- | C34H52 O6 |
| 24558-91-6 | URIDINE 5'-MONOPHOSPHOMORPHOLIDATE 4-MORPHOLINE-N,N'-DICYCLOHEXYLCARBOXAMIDINE SALT | C30H51N6O10P |
| 2980-69-0 | UNDECANE,4-METHYL- | C12H26 |
| 28956-41-4 | Urea, 1-methyl-3-(6-methyl-2-benzothiazolyl)- (8CI) | C10H11 N3 O S |
| 28925-89-5 | UROBILIN IX HYDROCHLORIDE | C33H42 N4 O6 . Cl H |
| 28806-18-0 | Uracil, 5-nitro-, dimer (8CI) | (C4H3N3O4)2 |