• Urea,N,N''-1,3-propanediylbis[N-nitroso- (9CI)
• 27640-19-3
• C5H10 N6 O4
• 0
• .

• Urea,N,N-bis(2-methylphenyl)-
• 64633-42-7
• C15H16 N2 O
• 240.3003
• .

• Uridine,2',3'-dideoxy-3',5-difluoro-
• 41107-55-5
• C9H10 F2 N2 O4
• 0
• .

• Ursolic acid acetate
• 7372-30-7
• C₃₂H₅₀O₄
• 498.737
• .

• Undecanoic acid,1-methyl-2-[(2-phenoxyacetyl)oxy]propyl ester
• 84006-72-4
• C23H36 O5
• 0
• .

• Urea,N,N-dimethyl-N'-[2-(4-thiazolyl)-1H-benzimidazol-6-yl]-
• 27217-07-8
• C13H13 N5 O S
• .

• Urea,N,N'-bis(2-methylpropyl)-
• 1189-23-7
• C9H20 N2 O
• 172.2679
• .

• Urea,N,N-dimethyl-N'-[3-(1,1,2,2-tetrafluoroethoxy)phenyl]-
• 27954-37-6
• C11H12 F4 N2 O2
• 248-746-8
• 280.2187928
• .

• Urea,N-(3-ethoxyphenyl)-
• 13142-86-4
• C9H12 N2 O2
• 180.2038
• .

• Urea,N-[(5-chloro-2-hydroxyphenyl)phenylmethyl]-
• 160776-87-4
• C14H13 Cl N2 O2
• 0
• .

• Uridine,5-(2-chloroethyl)-2'-deoxy-, 5'-[hydrogen (carboxymethyl)phosphonate] (9CI)
• 115365-27-0
• C13H18 Cl N2 O9 P
• 412.7168
• .

• Urea,[trans-4-(nitrooxy)cyclohexyl]- (9CI)
• 160791-62-8
• C7H13 N3 O4
• 203.1958
• .

• Urea,N'-cyclopentyl-N-methyl-N-nitroso-
• 80413-74-7
• C7H13 N3 O2
• 0
• .

• Uridine, 4'-C-azido-
• 139442-01-6
• C9H11 N5 O6
• 285.2135
• .

• Urea-13C (6CI,9CI)
• 58069-82-2
• CH₄N₂O
• 61.0479
• .

• Urea, [(17b)-3-oxoandrosta-1,4-dien-17-yl]-(9CI)
• 32012-41-2
• C20H28 N2 O2
• 328.4485
• .

• Uranate(4-),dioxotriperoxy-, tetralithium, (HB-8-22-111'1'1''1'')- (9CI)
• 12201-28-4
• Li. 1/4 O8 U
• .

• Undecanoic acid,1,1',1''-(1,2,3-propanetriyl) ester
• 13552-80-2
• C36H68 O6
• 236-935-8
• 596.92
• .

• Uridine,2',3'-dideoxy-3'-(5-methyl-1H-1,2,3-triazol-1-yl)- (9CI)
• 131673-41-1
• C12H15 N5 O4
• 293.2786
• .

• Undecanediperoxoicacid, 1,11-bis(1,1-dimethylethyl) ester
• 22537-97-9
• C19H36 O6
• 245-066-3
• 344.48614
• .

• Urea,N,N'-bis[(2-bromophenyl)phenylmethyl]-
• 160807-86-3
• C27H22 Br2 N2 O
• 550.2844
• .

• Urea,N-(5-chloro-1,2-benzisothiazol-3-yl)-N'-(3-chlorophenyl)-
• 105777-87-5
• C14H9 Cl2 N3 O S
• 338.2118
• .

• Urea,N,N'-di-9H-xanthen-9-yl-
• 3746-45-0
• C27H20 N2 O3
• 223-140-6
• 420.4593
• .

• Urea,N,N'-bis[bis[4-(dimethylamino)phenyl]methyl]-
• 71173-71-2
• C35H44 N6 O
• 275-249-3
• 564.76346
• .

• Urea,N-(2,4-dichlorophenyl)-
• 5428-50-2
• C7H6 Cl2 N2 O
• 205.04
• .

• Ubiquitin (human)
• 79586-22-4
• C378H629 N105 O118 S
• 0
• .

• Uridine,2'-deoxy-2'-fluoro-5-methyl-
• 122799-38-6
• C₁₀H₁₃FN₂O₅
• 260.22
• .

• Uridine5'-(tetrahydrogen triphosphate), 5-chloro-2',3'-dideoxy-3'-fluoro- (9CI)
• 124903-23-7
• C9H13 Cl F N2 O13 P3
• 504.5778
• .

• Urea,N,N''-1,3-phenylenebis[N'-[4-(4,5-dihydro-1H-imidazol-2-yl)phenyl]-,dihydrochloride (9CI)
• 2365-31-3
• C26H26 N8 O2 . 2 Cl H
• 482.537
• .

• Urea,N-(3-methylbutyl)-
• 628-49-9
• C6H14 N2 O
• 130.18816
• .

• Undecanoic acid,11-[(1-methylethyl)thio]-
• 102613-00-3
• C14H28 O2 S
• 0
• .

• Urea,N-[3-[(1R)-1-[3-(cyclopentyloxy)-4-methoxyphenyl]-2-(4-pyridinyl)ethyl]phenyl]-N'-ethyl-
• 225919-29-9
• C28H33 N3 O3
• 459.5799
• .

• Uridine5'-(tetrahydrogen triphosphate),5-[3-[(4-azidobenzoyl)amino]-1-propenyl]-2'-deoxy- (9CI)
• 129623-36-5
• C19H23 N6 O15 P3
• 668.3384
• .

• Urs-12-en-28-oic acid,3,23-[[(1S)-4,4',5,5',6,6'-hexahydroxy[1,1'-biphenyl]-2,2'-diyl]bis(carbonyloxy)]-2,24-dihydroxy-,b-D-glucopyranosyl ester, (2a,3b,4b)- (9CI)
• 116787-86-1
• C50H64 O19
• .

• Uridine5'-(tetrahydrogen triphosphate), 2'-deoxy-5-hydroxy- (9CI)
• 27972-89-0
• C9H15 N2 O15 P3
• 0
• .

• Uridine5'-(tetrahydrogen triphosphate), 3'-C-methyl- (9CI)
• 87215-07-4
• C10H17 N2 O15 P3
• 0
• .

• Urea,N-nitroso-N-(phenylmethyl)-
• 775-11-1
• C8H9 N3 O2
• 179.20
• .

• Urea,N-(phenylmethoxy)-
• 2048-50-2
• C₈H₁₀N₂O₂
• 166.1772
• .

• Urea,N'-(4-ethyl-3-methylphenyl)-N,N-dimethyl-
• 107598-68-5
• C12H18 N2 O
• 206.2841
• .

• Urea,N-[2,6-bis(1-methylethyl)phenyl]-N'-[[1-[1-[2-(dimethylamino)ethyl]-1H-indol-3-yl]cyclopentyl]methyl]-
• 145131-46-0
• C31H44 N4 O
• 488.7073
• .

• Urea,N-[2,6-bis(1-methylethyl)phenyl]-N'-[[1-[1-(1-methylethyl)-1H-indol-3-yl]cyclopentyl]methyl]-
• 145131-28-8
• C30H41 N3 O
• 459.666
• .

• Urea,N,N''-1,8-octanediylbis[N'-(2-chloroethyl)-N-nitroso- (9CI)
• 64624-61-9
• C14H26 Cl2 N6 O4
• 413.3
• .

• Urs-12-ene-27,28-dioicacid, 3-[(6-deoxy-3-O-b-D-xylopyranosyl-a-L-mannopyranosyl)oxy]-, 28-b-D-glucopyranosyl ester, (3b)- (9CI)
• 161161-65-5
• C47H74 O18
• .

• Urea,N-[4-(1H-inden-1-ylidenemethyl)phenyl]-
• 28439-96-5
• C17H14 N2 O
• 262.3059
• .

• Undecane,1-(decyloxy)-1-methoxy-
• 94291-88-0
• C22H46 O2
• 304-915-9
• 342.59944
• .

• Urea,N-(4-hydroxy-2-methylcyclohexyl)-N'-(4-hydroxyphenyl)-
• 25546-04-7
• C14H20 N2 O3
• 264.3202
• .

• Undecanamide,N-[(4-hydroxy-3-methoxyphenyl)methyl]-
• 47311-59-1
• C19H31 N O3
• 0
• .

• Uranyl ion(2+)(8CI,9CI)
• 16637-16-4
• O2U
• 270.0266
• .

• Urs-12-en-28-oic acid,3,19-dihydroxy-, O-6-deoxy-a-L-mannopyranosyl-(1®2)-O-[b-D-xylopyranosyl-(1®6)]-b-D-glucopyranosyl ester, (3b)- (9CI)
• 145854-06-4
• C47H76 O17
• .

• Undecanoic acid,11-bromo-, methyl ester
• 6287-90-7
• C12H23 Br O2
• 279.21
• .