• Urea, N-cyano-, sodiumsalt (1:1)
• 76989-89-4
• C2H3 N3 O . Na
• 278-584-3
• 107.05
• .

• Urea,N-1,2-benzisothiazol-3-yl-N'-(1-methylethyl)-
• 104121-46-2
• C11H13 N3 O S
• 235.3054
• .

• Urotensin II(Gillichthys mirabilis) (8CI,9CI)
• 9047-55-6
• C62H84 N14 O17 S2
• 0
• .

• Uridine,3'-azido-2',3'-dideoxy-5-iodo-
• 85236-92-6
• C9H10 I N5 O4
• 0
• .

• Urea,N'-(4-bromophenyl)-N-methyl-N-nitroso-
• 23139-02-8
• C8H8 Br N3 O2
• 258.10
• .

• Uridine,3'-azido-2',3'-dideoxy-
• 84472-85-5
• C₉H₁₁N₅O₄
• 253.21
• .

• Uranium trioxide
• 1344-58-7
• UO₃
• 215-701-9
• 286.03
• .

• Urs-12-en-30-oic acid,22-(acetyloxy)-23-hydroxy-3-oxo-, methyl ester, (4a,22a)- (9CI)
• 121880-06-6
• C33H50 O6
• .

• Urs-12-en-28-oic acid, 3-(b-D-glucopyranosyloxy)-19-hydroxy-,b-D-glucopyranosyl ester, (3b)- (9CI)
• 165198-40-3
• C42H68 O14
• .

• Urea,N-[(1R)-3-[5-(4-fluorophenoxy)-2-furanyl]-1-methyl-2-propyn-1-yl]-N-hydroxy-
• 141579-87-5
• C15H13 F N2 O4
• 304.2731
• .

• Uridine 5'-(trihydrogendiphosphate), P'-a-D-mannopyranosylester
• 16375-64-7
• C15H24 N2 O17 P2
• 0
• .

• UNI-F 523 (8CI,9CI)
• 11096-52-9
• .

• Urea,N-(2,2-diethoxyethyl)-N'-dodecyl-
• 102433-17-0
• C19H40 N2 O3
• 344.5325
• .

• Urea,N-(3,4-dichlorophenyl)-N'-heptyl-
• 13041-40-2
• C14H20 Cl2 N2 O
• 303.2274
• .

• Urea,N-(2-chloroethyl)-N'-(4-fluorophenyl)-
• 13908-32-2
• C9H10 Cl F N2 O
• 216.64
• .

• Urea,N-(2-chloroethyl)-N'-[2,3-O-(1-methylethylidene)-5-O-(4-nitrobenzoyl)ribofuranosyl]-N-nitroso-(9CI)
• 56194-22-0
• C18H21 Cl N4 O9
• 0
• .

• Urea,N-[5-(4-ethoxy-3,5-dimethoxyphenyl)-1,3,4-thiadiazol-2-yl]-N'-phenyl-
• 116758-67-9
• C19H20 N4 O4 S
• 400.4515
• .

• Urea,N-ethyl-N'-[3-[3-(1-piperidinylmethyl)phenoxy]propyl]-
• 120958-90-9
• C18H29 N3 O2
• 319.4418
• .

• Uridine,2'-deoxy-5'-O-phosphonoadenylyl-(3'®5')-2'-deoxy-, homopolymer
• 34607-75-5
• C19 H25 N7 O13 P2
• 0
• .

• Urs-12-en-28-oic acid,3-hydroxy-, methyl ester, (3β)-
• 32208-45-0
• C₃₁H₅₀O₃
• 250-953-3
• 470.7269
• .

• Ursa-12,19(29)-dien-28-oicacid, 2,3-dihydroxy-, b-D-glucopyranosyl ester, (2a,3a)-
• 146787-96-4
• C36H56 O9
• .

• Uranium fluoride
• 12134-48-4
• FU-
• 0
• .

• U-62,840
• 81846-19-7
• C₂₃H₃₃NaO₅
• 390.5131
• .

• Uranium fluoride (UF5)
• 13775-07-0
• F5U
• 237-405-9
• 333.020926
• .

• Uridine 5'-(trihydrogendiphosphate), 2'-C-methyl- (9CI)
• 150993-73-0
• C10H16 N2 O12 P2
• 0
• .

• Urea,N-[bis[4-(dimethylamino)phenyl]methylene]-N'-butyl-
• 34851-48-4
• C22H30 N4 O
• 252-251-2
• 366.4998
• .

• Urea,N-(3-methoxyphenyl)-
• 139-77-5
• C₈H₁₀N₂O₂
• 166.18
• .

• Undecanal,2-ethylidene-
• 6720-16-7
• C13H24 O
• 229-772-9
• 196.32906
• .

• Urea,N-(5-methyl-1,2-benzisothiazol-3-yl)-
• 105734-45-0
• C9H9 N3 O S
• 207.2523
• .

• Urea,N,N-dimethyl-N'-[4-(trifluoromethyl)phenyl]-
• 7159-99-1
• C10H11 F3 N2 O
• 0
• .

• Urea,N'-cyclobutyl-N-methyl-N-nitroso-
• 81498-82-0
• C6H11 N3 O2
• 0
• .

• Uridine,5-bromo-2'-deoxy-, 5'-(hydrogen carboxyphosphonate) (9CI)
• 117652-20-7
• C10H12 Br N2 O9 P
• 415.088
• .

• Urea, diphenyl-
• 26763-63-3
• C13H12 N2 O
• 212.2472
• .

• Uridine,5'-[[[(2,3,4,6-tetra-O-benzoyl-a-D-glucopyranosyl)oxy]carbonyl]sulfamate] (9CI)
• 93426-60-9
• C44H39 N3 O19 S
• 0
• .

• Urea,N-(2-chloroethyl)-N'-(4-hydroxycyclohexyl)-N-nitroso-, cis- (9CI)
• 52049-26-0
• C9H16 Cl N3 O3
• 249.73
• .

• Uridine,4'-C-azido-5-chloro-2'-deoxy-
• 139418-97-6
• C9H10 Cl N5 O5
• 303.6592
• .

• Urea,N-(2-chloroethyl)-N'-(4-methylcyclohexyl)-N-nitroso-
• 13909-09-6
• C₁₀H₁₈ClN₃O₂
• 247.72
• .

• Uridine,5-bromo-2',3'-O-(1-methylethylidene)-
• 54503-61-6
• C12H15 Br N2 O6
• 259-190-0
• 363.1613
• .

• Urea,N-(2-chloro-6-methylphenyl)-N'-[imino(propylamino)methyl]-, hydrochloride (1:1)
• 65009-23-6
• C12H17 Cl N4 O . Cl H
• 305.2035
• .

• Uridine,2',3'-dideoxy-2',3'-difluoro- (9CI)
• 127840-99-7
• C9H10 F2 N2 O4
• 248.1835
• .

• Urea,N-(4-hydroxyphenyl)-
• 1566-41-2
• C7H8 N2 O2
• 152.1506
• .

• Uridine 5'-(trihydrogendiphosphate), P'-(2-amino-2-deoxy-a-D-glucopyranosyl) ester
• 17479-04-8
• C15H25 N3 O16 P2
• 0
• .

• Uridine,5-bromo-2',3'-dideoxy-3'-fluoro-
• 115249-86-0
• C9H10 Br F N2 O4
• 0
• .

• Urea,N,N'-di-2-propen-1-yl-
• 1801-72-5
• C₇H₁₂N₂O
• 217-291-7
• 140.183
• .

• Urea,N-[2,6-bis(1-methylethyl)phenyl]-N'-[2-(1-methyl-1H-indol-3-yl)-3-phenylpropyl]-
• 145131-41-5
• C31H37 N3 O
• 467.645
• .

• Urea,N-nitroso-N-propyl-
• 816-57-9
• C4H9 N3 O2
• 131.16
• .

• Urea,N-(2-chloroethyl)-N'-[2-[(3b,7b)-3-hydroxycholest-5-en-7-yl]ethyl]-N-nitroso-(9CI)
• 164120-26-7
• C32H54 Cl N3 O3
• 0
• .

• Uridine5'-(tetrahydrogen triphosphate), 2',3'-dideoxy-5-ethyl-3'-fluoro- (9CI)
• 126609-62-9
• C11H18 F N2 O13 P3
• 498.1859
• .

• Uranium iodide (UI4)
• 13470-22-9
• UI₄
• 236-735-0
• 745.64679
• .

• UltrogelAcA 22 (9CI)
• 71567-47-0
• 0
• .