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73-32-5 Isoleucine (2S,3S)-2-amino-3-methylpentanoic acid 2933.99 5,675.44 11,098,790.85    
64519-82-0 Isomalt (3R,4R,5R)-6-[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyhexane-1,2,3,4,5-pentol 2940.00 1,663,432.50 98,442,544.41    
499-40-1 Isomaltose (3R,4S,5S,6R)-6-[[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxymethyl]oxane-2,3,4,5-tetrol 2940.00 0.20 28,782.34    
3371-50-4 Isomaltotriose ?-D-glucopyranosyl-(16)-?-D-glucopyranosyl-(16)-D-glucose 2940.00 0.14 29,981.59    
13718-94-0 Isomaltulose (2R,3S,4S,5R,6S)-2-(hydroxymethyl)-6-[[(2R,3S,4S)-3,4,5-trihydroxy-5-(hydroxymethyl)oxolan-2-yl]methoxy]oxane-3,4,5-triol 2940.00 1,399.80 168,203.68    
54-85-3 Isoniazid Pyridine-4-carbohydrazide 2928.00 ; 3823.19 4,425.46 1,930,790.39   6
872-85-5 Isonicotinaldehyde Pyridine-4-carbaldehyde 2912.29 0.75 12,526.56    
1453-82-3 Isonicotinamide Isonicotinamide 2933.39 0.03 858.87    
55-22-1 Isonicotinic Acid Pyridine-4-carboxylic acid 2933.39 1.50 7,018.55    
3302-10-1 Isononanoic acid 3,5,5-trimethylhexanoic acid 2915.90 422,901.00 28,707,793.42    
59219-71-5 Isononyl Isononanoate 3,5,5-Trimethylhexyl 3,5,5-trimethylhexanoate 2915.90 10,809.50 2,811,384.58    
3115-49-9 Isononylphenoxyacetic acid 2918.99 800.00 614,736.00    
27458-93-1 Isooctadecan-1-ol ; Isostearyl alcohol 16-methylheptadecan-1-ol 2905.19 4,095.00 1,459,704.27    
1110686-34-4 Isooctadecanoic acid, 1,1'-(1,3-propanediyl) ester 2915.70 1.00 1,123.52    
30374-01-7 Iso-octyl 3-mercaptopropionate 2930.90 4,320.00 1,248,685.56    
78-78-4 Isopentane 2-methylbutane 2901.10 353,515.72 15,458,830.35   3
110-12-3 Isopentyl Methyl Ketone 5-methylhexan-2-one 2914.19 31,173.01 3,149,809.97   3
2568-33-4 Isopentyldiol 3-methylbutane-1,3-diol 2905.39 29,555.00 2,869,788.01    
470-99-5 Isophorol 3,5,5-trimethylcyclohex-2-en-1-ol 2914.29 430,780.00 28,550,830.26    
78-59-1 Isophorone 3,5,5-trimethylcyclohex-2-en-1-one 2914.29 74,896.10 5,647,416.09   3
2855-13-2 Isophorone diamine ; (1-amino-3-aminoethyl-3,5,5-trimethyl cyclohexane) 3-aminomethyl-3,5,5-trimethylcyclohexylamine 2929.10 1,592,491.05 260,841,465.60   3
54914-37-3  Isophorone diamine isobutyraldimine 2-Methyl-N-[[1,3,3-trimethyl-5-(2-methylpropylideneamino)cyclohexyl]methyl]propan-1-imine 2925.29 150.00 87,523.96    
4098-71-9 Isophorone diisocyanate 5-Isocyanato-1-(isocyanatomethyl)-1,3,3-trimethylcyclohexane 2929.10 115,466.02 33,404,761.42   3 ; 8
121-91-5 Isophthalic Acid Benzene-1,3-dicarboxylic acid 2917.39 16,220,901.10 720,763,485.80    
2760-98-7 Isophthalic dihydrazide 2917.19 ; 3812.10 230.00 36,988.82    
99-63-8 Isophthaloyl chloride Benzene-1,3-dicarbonyl chloride 2917.39 688,070.59 85,871,484.90    
69460-11-3 Isopinocampheylamine (1S,3R,4R,5R)-4,6,6-trimethylbicyclo[3.1.1]heptan-3-amine 2921.30 0.00 1,947.14    
78-79-5 Isoprene 2-methylbuta-1,3-diene 2901.24 0.60 2,997.41   3
2631-40-5  Isoprocarb 2924.29 32,860.00 4,114,836.84   8
108-22-5 Isopropenyl acetate Prop-1-en-2-yl acetate 2915.39 2.00 5,216.47    
18144-43-9 Isopropyl 4-aminobenzoate Propan-2-yl 4-aminobenzoate 2922.49 0.10 1,301.60    
108-21-4 Isopropyl Acetate Propan-2-yl acetate 2915.39 7,060.45 657,160.96   3
67-63-0 Isopropyl alcohol Propan-2-ol 2905.12 ; 3402.90 ; 3824.90 36,187,668.77 1,051,563,551.29   3
5419-55-6 Isopropyl Borate Tripropan-2-yl borate 2920.90 0.16 2,721.73    
75-29-6 Isopropyl Chloride 2-chloropropane 2903.19 0.10 451.96    
108-20-3 Isopropyl Ether 2-propan-2-yloxypropane 2909.20 426.14 259,443.14   3
5080-22-8 Isopropyl hydroxylamine N-Hydroxypropan-2-amine 2928.00 6,123.60 431,652.56    
75-30-9 Isopropyl Iodide 2-iodopropane 2903.39 0.31 3,922.83    
68171-33-5 Isopropyl Isostearate Propan-2-yl 16-methylheptadecanoate 2915.70 ; 3824.90 11,873.66 3,958,870.18    
230309-38-3 Isopropyl n-lauroyl sarcosinate 2922.49 510.00 870,237.92    
112-11-8 Isopropyl Oleate Propan-2-yl (Z)-octadec-9-enoate 2916.15 4,900.00 345,807.42    
142-91-6 Isopropyl palmitate Propan-2-yl hexadecanoate 2915.70 ; 3823.19 680,812.88 39,426,961.99    
112-10-7 Isopropyl stearate Propan-2-yl octadecanoate 2915.70 ; 3823.19 1,400.25 156,039.64    
36876-13-8 Isopropyl(isopropylphenyl)benzene 2924.19 8,832.00 2,016,987.28    
75-31-0 Isopropylamine Propan-2-amine 2921.19 705,042.00 22,337,303.52   3
696-29-7 Isopropylcyclohexane Propan-2-ylcyclohexane 2902.19 0.02 3,847.94    
1068-55-9 Isopropylmagnesium chloride Magnesium propane chloride 2931.90 0.10 1,493.15    
3228-02-2 Isopropylmethylphenol 3-methyl-4-(propan-2-yl)phenol 2921.49 19,448.46 45,678,204.47    
4191-73-5 Isopropylparaben Propan-2-yl 4-hydroxybenzoate 2918.29 0.05 4,427.11    
68937-41-7 Isopropylphenyl phosphate Diphenyl 4-(propan-2-yl)phenyl phosphate phenyl bis[4-(propan-2-yl)phenyl] phosphate triphenyl phosphate tris[4-(propan-2-yl)phenyl] phosphate 2919.90 ; 3812.20 390,840.00 53,140,202.14    
125109-85-5 Isopropylphenylbutanal 3-(3-propan-2-ylphenyl)butanal 2912.29 17.00 85,627.22    
367-93-1 Isopropyl-?-D-thiogalactopyranoside Isopropyl ?-D-1-thiogalactoside 2938.90 ; 3821.00 2.14 94,210.33    
50512-35-1 Isoprothiolane Dipropan-2-yl 1,3-dithiolan-2-ylidenepropanedioate 2934.99 79,587.46 34,887,574.81   8
89-79-2 Isopulegol (1R,2S,5R)-5-methyl-2-prop-1-en-2-ylcyclohexan-1-ol 2906.19 400.00 888,492.18    
482-35-9 Isoquercetin 2-(3,4-dihydroxyphenyl)-5,7-dihydroxy-3-[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxychromen-4-one 2938.90 0.12 31,913.83    
87-33-2 Isosorbide Dinitrate [(3S,3aS,6R,6aS)-3-nitrooxy-2,3,3a,5,6,6a-hexahydrofuro[3,2-b]furan-6-yl] nitrate 2942.00 1,475.00 2,208,178.31    
16051-77-7 Isosorbide mononitrate Isosorbide mononitrate 2942.00 1,400.00 2,235,241.19    
2724-58-5 Isostearic acid 2915.90 1.00 1,385.50    
30399-84-9 Isostearic acid 16-methylheptadecanoic acid 3823.11 1,070.54 481,808.48    
78145-84-3 Isostearyl Glyceryl Ether 3-(16-methylheptadecoxy)propane-1,2-diol  2909.49 1,110.00 295,522.34    
41669-30-1 Isostearyl isostearate 16-Methylheptadecyl 16-methylheptadecanoate 2915.70 375.00 166,668.49    
58958-60-4  Isostearyl Neopentanoate 16-Methylheptadecyl 2,2-dimethylpropanoate 2915.60 ; 3824.90 1,264.36 731,275.45    
72576-80-8 Isostearyl palmitate 16-methylheptadecyl hexadecanoate 2915.70 90.70 72,417.02    
4759-48-2 Isotretinoin (2Z,4E,6E,8E)-3,7-dimethyl-9-(2,6,6-trimethylcyclohexen-1-yl)nona-2,4,6,8-tetraenoic acid 2916.19 362.00 14,997,653.45   6
27458-92-0 Isotridecan-1-ol 3402.90 400.00      
69011-36-5 Isotridecanolethoxylate 3402.13 292,317.50      
42131-27-1 Isotridecyl Isononanoate 11-methyldodecyl 7-methyloctanoate 2915.90 ; 3402.13 272.00 115,213.69    
590-86-3 Isovaleraldehyde 3-Methylbutanal 2912.49 0.60 201.30    
503-74-2 Isovaleric acid ; Fragrance of isovaleric acid 3-Methylbutanoic acid 2915.60 ; 3302.10 46.40 20,639.28    
645-08-9 Isovanillic Acid 3-Hydroxy-4-methoxybenzoic acid 2918.99 0.03 4,115.22    
163520-33-0 Isoxadifen-ethyl Ethyl 5,5-diphenyl-4H-1,2-oxazole-3-carboxylate 2934.99 1,800.00 11,340,000.00    
141112-29-0 Isoxaflutole (5-cyclopropylisoxazol-4-yl)[2-(methylsulfonyl)-4-(trifluoromethyl)phenyl]methanone 2934.99 693.00 5,904,360.00   8
97-65-4 Itaconic Acid 2-methylidenebutanedioic acid 2917.19 72,201.20 3,306,798.58    
84625-61-6 Itraconazole 2-butan-2-yl-4-[4-[4-[4-[[2-(2,4-dichlorophenyl)-2-(1,2,4-triazol-1-ylmethyl)-1,3-dioxolan-4-yl]methoxy]phenyl]piperazin-1-yl]phenyl]-1,2,4-triazol-3-one 2934.99 0.51 17,988.36   6
148849-67-6 Ivabradine hydrochloride 3-[3-[[(7S)-3,4-Dimethoxy-7-bicyclo[4.2.0]octa-1,3,5-trienyl]methyl-methylamino]propyl]-7,8-dimethoxy-2,5-dihydro-1H-3-benzazepin-4-one;hydrochloride 2922.50 2.00 712,082.58    
70288-86-7 Ivermectin 2938.90 1,200.01 4,678,949.84   6
1127442-82-3 IWR-1 4-(1,3,3a,4,7,7a-Hexahydro-1,3-dioxo-4,7-methano-2H-isoindol-2-yl)-N-8-quinolinyl-Benzamide 2933.49 1.19 2,996.37    
854812-04-7 J Acid Urea 4-hydroxy-7-[(5-hydroxy-7-sulfonaphthalen-2-yl)carbamoylamino]naphthalene-2-sulfonic acid 2924.29 9,400.00 3,539,340.89    
209414-07-3 JWH-018 Naphthalene-1-yl(1-pentyl-1H-indol-3-yl)methanone 2933.99 0.00     9
491-54-3 Kaempferide 3,5,7-Trihydroxy-2-(4-methoxyphenyl)chromen-4-one 2932.99 0.01 6,908.85    
520-18-3 Kaempferol 3,5,7-trihydroxy-2-(4-hydroxyphenyl)chromen-4-one

2932.99 0.33 49,989.86    
8063-07-8 Kanamycin (2R,3S,4S,5R,6R)-2-(aminomethyl)-6-[(1R,2R,3S,4R,6S)-4,6-diamino-3-[(2S,3R,4S,5S,6R)-4-amino-3,5-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-2-hydroxycyclohexyl]oxyoxane-3,4,5-triol 2922.19 442.00 1,470,028.70   6
64013-70-3 Kanamycin Acid Sulfate (2R,3S,4S,5R,6R)-2-(aminomethyl)-6-[(1R,2R,3S,4R,6S)-4,6-diamino-3-[(2S,3R,4S,5S,6R)-4-amino-3,5-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-2-hydroxycyclohexyl]oxyoxane-3,4,5-triol;sulfuric acid 2941.90 1,505.00 2,023,429.58   6
25389-94-0 Kanamycin Sulfate ; Kanamycin sulfate from Streptomyces kanamyceticus 2941.90 ; 3821.00 10,615.34 9,978,026.72   6
19408-46-9 Kasugamycin hydrochloride hydrate 3808.92 3,070.14 33,049,738.40   8
18719-76-1 Keracyanin (2R,3R,4R,5R,6S)-2-[[(2R,3S,4S,5R,6S)-6-[2-(3,4-dihydroxyphenyl)-5,7-dihydroxychromenylium-3-yl]oxy-3,4,5-trihydroxyoxan-2-yl]methoxy]-6-methyloxane-3,4,5-triol;chloride 2938.90 0.01 6,333.45    
1867-66-9 Ketamine Hydrochloride 2-(2-chlorophenyl)-2-(methylamino)cyclohexan-1-one hydrochloride 2922.39 ; 3004.90 14.77 120,268.07   9
65277-42-1 Ketoconazole 1-[4-[4-[[(2R,4S)-2-(2,4-dichlorophenyl)-2-(imidazol-1-ylmethyl)-1,3-dioxolan-4-yl]methoxy]phenyl]piperazin-1-yl]ethanone 2934.99 16,878.85 150,514,583.00   6
22071-15-4 Ketoprofen ; 2-(3-Benzoylphenyl)propanoic acid 2-[3-(phenylcarbonyl)phenyl]propanoic acid 2918.30 1,200.00 3,681,347.35   6
34580-14-8 Ketotifen fumarate 2934.99 14.50 617,749.72   6
525-79-1  Kinetin N-(furan-2-ylmethyl)-7H-purin-6-amine 3821.00 ; 2934.99 0.57 14,418.43    
1392-21-8 Kitasamycin 2-[(11E,13Z)-6-[(3R,4R,5S,6R)-5-[(4S,5R,6R)-4,5-Dihydroxy-4,6-dimethyloxan-2-yl]oxy-4-(dimethylamino)-3-hydroxy-6-methyloxan-2-yl]oxy-4,10-dihydroxy-5-methoxy-9,16-dimethyl-2-oxo-1-oxacyclohexadeca-11,13-dien-7-yl]acetaldehyde 2941.90 6,735.76 12,513,358.45   6
37280-56-1 Kitasamycin tartrate 2941.90 10,675.70 16,964,678.32   6
501-30-4 Kojic acid 5-Hydroxy-2-(hydroxymethyl)-4H-pyran-4-one 2942.00 555.50 957,822.97    
79725-98-7 Kojic Acid Dipalmitate [5-(hexadecanoyloxy)-4-oxo-4H-pyran-2-yl]methyl hexadecanoate 2915.70 5,424.00 8,534,394.99    
143390-89-0 Kresoxim-methyl 2928.00 1,120.00 1,327,641.96   8
7439-90-9 Krypton Krypton 2804.29 139.42 1,050,195.73    
13983-27-2 Krypton   Krypton-85 2844.40 153.53 5,927,541.13   5
2438-80-4 L-(-)-Fucose 6-deoxy-L-?-galactose 2940.00 0.01 6,632.71    
138-15-8 L-(+)-Glutamic acid hydrochloride Glutamic acid hydrochloride 2922.42 1,026.25 455,581.32    
10030-85-0 L(+)-Rhamnose Monohydrate (2R,3R,4S,5S)-2,3,4,5-tetrahydroxyhexanal hydrate 2938.10 7.05 150,940.32    
175481-36-4 Lacosamide (2R)-2-acetamido-N-benzyl-3-methoxypropanamide 2924.19 4.00 581,594.49    
50-21-5 Lactic acid Lactic acid 2918.11 177,040.39 16,254,287.73    
81025-04-9 Lactitol Monohydrate (2S,3R,4R,5R)-4-[(2S,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxyhexane-1,2,3,5,6-pentol hydrate 2940.00 29,000.00 4,308,780.12    
63-42-3 Lactose (2R,3R,4S,5R,6S)-2-(hydroxymethyl)-6-{[(2R,3S,4R,5R,6R)-4,5,6-trihydroxy-2-(hydroxymethyl)oxan-3-yl]oxy}oxane-3,4,5-triol 2940.00 ; 3302.90 ; 3821.00 9.29 1,700.00    
4618-18-2 Lactulose 2-[4,5-dihydroxy-2,5-bis(hydroxymethyl)oxolan-3-yl]oxy-6-(hydroxymethyl)oxane-3,4,5-triol 2940.00 20,160.00 3,818,719.29    
4235-95-4 L-Alpha-phosphatidylcholine [(2R)-2,3-di(octadec-9-enoyloxy)propyl] 2-(trimethylazaniumyl)ethyl phosphate 2923.20 0.10 3,845.15    
91465-08-6 Lambda-cyhalothrin rel-(R)-cyano(3-phenoxyphenyl)methyl (1S,3S)-3-[(1Z)-2-chloro-3,3,3-trifluoroprop-1-en-1-yl]-2,2-dimethylcyclopropanecarboxylate 2926.90 24,704.13 31,916,184.88   8
134678-17-4 Lamivudine Lamivudine 2933.59 34,600.00 174,305,016.50   6
84057-84-1 Lamotrigine 6-(2,3-dichlorophenyl)-1,2,4-triazine-3,5-diamine 2933.69 79.00 295,460.17   6
25721-92-0 Lanthanum acetate Lanthanum(3+) triacetate 2846.90 500.00 119,742.64    
54451-24-0 Lanthanum carbonate  Lanthanum(3+) tricarbonate 2846.90 840.00 295,370.00    
10025-84-0 Lanthanum chloride heptahydrate Trichlorolanthanum 2827.39 21.40 119,881.30    
20211-76-1 Lanthanum chloride heptahydrate Trichlorolanthanum; hydrate 2827.39 0.05 2,206.07    
12008-21-8 Lanthanum hexaboride  Boron; lanthanum 2846.90 0.05 5,361.87    
7439-91-0 Lanthanum metal Lanthanum 2805.30 11,000.00 2,094,405.73    
10277-43-7 Lanthanum(III) nitrate hexahydrate 2846.90 ; 3824.90 1,225.20 624,787.14    
1312-81-8 Lanthanum(III) oxide Lanthanum(3+); oxygen(2-) 2825.90 56.04 135,100.81    
53320-86-8 Laponite rd ; Organophilic smectite Lithium;magnesium; sodium;dioxido(oxo)silane 2842.90 ; 3802.90 76.37 56,182.20    
5328-37-0  L-Arabinose (2R,3S,4S)-2,3,4,5-tetrahydroxypentanal 2940.00 ; 3821.00 31.03 125,167.15    
87-72-9  L-Arabipyranose (3R,4S,5S)-oxane-2,3,4,5-tetrol 3821.00 0.72 1,421.19    
7643-75-6   L-arabitol (2S,4S)-pentane-1,2,3,4,5-pentol 2905.49 0.01 1,473.11    
16856-18-1 L-Arginine alpha ketoglutarate (2S)-2-Amino-5-carbamimidamidopentanoic acid; 2-oxopentanedioic acid 2925.29 0.06 24.40    
50-81-7 L-Ascorbic acid (2R)-2-[(1S)-1,2-Dihydroxyethyl]-3,4-dihydroxy-2H-furan-5-one 2936.27 1,624,057.13 204,919,195.90    
562043-82-7 L-Ascorbic acid 2-glucoside (2R)-2-[(1S)-1,2-dihydroxyethyl]-3-hydroxy-4-[(2S,3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-2H-furan-5-one 2936.27 5.00 40,466.55    
23313-12-4 L-ascorbyl-2-phosphate 2936.27 782,080.00 140,795,358.90    
84309-23-9 L-Ascorbyl-2-phosphate, magnesium salt Magnesium [2-(1,2-dihydroxyethyl)-3-hydroxy-5-oxo-2H-furan-4-yl] phosphate 2936.27 12.67 102,673.72    
323194-76-9 L-Aspartic acid sodium salt monohydrate 2922.49 1.50 23,070.66    
178949-82-1 L-Aspartic acid, N,N'-1,2-ethanediylbis-, trisodium salt Trisodium (2S)-2-[2-[[(1S)-2-carboxy-1-carboxylatoethyl]amino]ethylamino]butanedioate 2922.49 122,315.00 39,369,972.09    
19223-55-3 Lauramidopropyl hydroxysultaine 3402.11 0.33      
3055-94-5 Laureth-3 ; Triethylene glycol monododecyl ether 2-{2-[2-(dodecyloxy)ethoxy]ethoxy}ethanol 3402.13 119,199.00      
143-07-7 Lauric acid ; Dodecanoic acid Lauric acid 2915.90 6,268,412.95 318,217,359.40    
120-40-1 Lauric diethanolamide  N,N-bis(2-hydroxyethyl)dodecanamide 2924.19 ; 3812.30 6,526.00 1,348,085.68    
112-16-3 Lauroyl chloride Dodecanoyl chloride 2915.90 4.87 14,771.55    
105-74-8 Lauroyl Peroxide Dodecanoyl dodecaneperoxoate 2915.90 22,600.00 5,514,488.14   3
97-78-9 Lauroyl Sarcosine 2-[dodecanoyl(methyl)amino]acetic acid 2924.19 0.01 5,354.63    
1119-94-4 Laurtrimonium Bromide Dodecyl(trimethyl)azanium bromide 2923.90 1,900.00 2,577,223.50    
112-66-3 Lauryl acetate Dodecyl acetate 2915.39 20.00 46,265.38    
683-10-3 Lauryl Betaine ; N-Dodecyl-N,N-Dimethylglycine [dodecyl(dimethyl)ammonio]acetate 3402.19 33,479.00      
13197-76-7 Lauryl Hydroxysultaine 3-[dodecyl(dimethyl)azaniumyl]-2-hydroxypropane-1-sulfonate 2918.11 ; 3402.19 4,440.00 1,266.66    
142-90-5 Lauryl methacrylate Dodecyl 2-methylprop-2-enoate 2916.14 ; 3812.20 ; 3824.90 178,580.00 29,331,155.40    
61792-31-2 Laurylamidopropyldimethylamine Oxide 3-(dodecanoylamino)-N,N-dimethylpropan-1-amine oxide 3402.11 ; 3809.93 4.83      
83730-53-4 L-Buthionine-sulfoximine (2S)-2-amino-4-(butylsulfonimidoyl)butanoic acid 2930.90 0.00 12,394.52    
36687-82-8 L-Carnitine Tartrate 2923.90 39,299.40 22,814,768.55    
372-75-8 L-Citrulline Citrulline 2924.19 475.11 797,957.23    
52-89-1  L-Cysteine hydrochloride (2R)-2-amino-3-sulfanylpropanoic acid hydrochloride 2930.90 26,985.12 13,396,603.62    
301-04-2 Lead (II) acetate Lead diacetate 2915.29 1,716.00 1,400,575.19    
10031-22-8   Lead (II) bromide  Dibromolead 2827.59 0.20 4,249.22    
10101-63-0   Lead (II) iodide Diiodolead 2827.60 0.35 19,977.36    
7439-92-1 Lead ; C.I. Pigment Metal 4 Lead 2607.00 ; 3812.10 38,289.60 662,823.90   8
6080-56-4 Lead Acetate Lead(2+) diacetate trihydrate 2915.29 1,098.36 378,796.74    
301-08-6 Lead bis(2-ethylhexanoate) Lead bis(2-ethylhexanoate) 3815.90 306.00      
13814-96-5 Lead fluoborate Lead(2+);ditetrafluoroborate 2826.90 1,200.00 222,039.79    
25808-74-6 Lead fluorosilicate lead(2+) hexafluoridosilicate(2?) 2826.90 116,861.84 16,125,055.33   3
1317-36-8 Lead monoxide Oxolead 2824.10 ; 3812.10 903,502.00 61,058,666.18 38,000.00 8
10099-74-8 Lead nitrate Plumbous dinitrate 2834.29 62.29 40,441.41    
56189-09-4 Lead Octadecanoate Lead Octadecanoate 2915.70 ; 3812.30 37,230.00 290,935.20    
546-67-8 Lead Tetraacetate Lead Tetraacetate 2915.29 0.10 1,626.09    
1314-41-6   Lead tetroxide Trilead tetraoxide 2824.90 422,001.45 31,124,159.17 4,500.00 8
51404-69-4 Lead(II) acetate basic Lead acetate basic 2915.29 15,216.00 4,712,423.07    
598-63-0 Lead(II) carbonate Lead(2+);carbonate 2836.99 0.55 6,961.12    
7758-95-4   Lead(II) chloride Dichlorolead 2827.39 3.60 15,824.52    
6107-83-1 Lead(II) citrate trihydrate 2-Hydroxypropane-1,2,3-tricarboxylate;lead(2+);trihydrate 2918.14 0.53 723.89    
75706-12-6 Leflunomide 5-methyl-N-[4-(trifluoromethyl)phenyl]-1,2-oxazole-4-carboxamide 2934.99 5.14 250,151.56   6
61-90-5 Leucine (2S)-2-amino-4-methylpentanoic acid 2922.49 5,255.15 6,246,983.12    
1492-18-8 Leucovorin Calcium Calcium (2S)-2-[[4-[(2-amino-5-formyl-4-oxo-1,6,7,8-tetrahydropteridin-6-yl)methylamino]benzoyl]amino]pentanedioate 2936.29 0.00 1,625.20   6
6035-45-6 Leucovorin Calcium (2S)-2-[[4-[(2-amino-5-formyl-4-oxo-1,6,7,8-tetrahydropteridin-6-yl)methylamino]benzoyl]amino]pentanedioic acid calcium pentahydrate 2936.29 0.03 8,019.41   6
103476-89-7 Leupeptin Leupeptin 2925.29 4.19 42,917.05    
147385-61-3 Leupeptin trifluoroacetate 2-Acetamido-N-[1-[[5-(diaminomethylideneamino)-1-oxopentan-2-yl]amino]-4-methyl-1-oxopentan-2-yl]-4-methylpentanamide;2,2,2-trifluoroacetic acid 2925.29 0.00 2,175.72    
16595-80-5 Levamisole hydrochloride (6S)-6-phenyl-2,3,5,6-tetrahydroimidazo[2,1-b][1,3]thiazole hydrochloride 2934.99 600.00 500,023.44    
102767-28-2 Levetiracetam (2R)-2-(2-oxopyrrolidin-1-yl)butanamide 2933.79 689.80 2,032,164.50    
541-15-1 Levocarnitine (3R)-3-hydroxy-4-(trimethylazaniumyl)butanoate

2923.90 9,578.19 10,204,039.64    
6645-46-1 Levocarnitine Hydrochloride [(2R)-3-Carboxy-2-hydroxypropyl]-trimethylazanium;chloride 2922.29 375.00 1,117,282.74    
130018-87-0 Levocetirizine Dihydrochloride 2-[2-[4-[(R)-(4-chlorophenyl)-phenylmethyl]piperazin-1-yl]ethoxy]acetic acid dihydrochloride 2933.59 10.00 356,893.00    
59-92-7 Levodopa (2S)-2-amino-3-(3,4-dihydroxyphenyl)propanoic acid

2922.50 ; 3821.00 4,300.38 13,861,051.93   6
99291-25-5 Levodropropizine (2S)-3-(4-phenylpiperazin-1-yl)propane-1,2-diol 2941.90 135.00 4,413,120.98   6
100986-85-4 Levofloxacin (S)-9-fluoro-2,3-dihydro-3-methyl-10-(4-methylpiperazin-1-yl)-7-oxo-7H-pyrido[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid 2934.99 2,032.16 134,120,378.90   1 ; 6
138199-71-0 Levofloxacin hemihydrate (-)-(S)-9-Fluoro-2,3-dihydro-3-methyl-10-(4-methyl-1-piperazinyl)-7-oxo-7H-pyridol[1,2,3-de]-1,4-benzoxazine-6-carboxylic acid hemihydrate 2934.99 4,440.10 10,959,649.08   1 ; 6
498-07-7 Levoglucosan (1R,2S,3S,4R,5R)-6,8-dioxabicyclo[3.2.1]octane-2,3,4-triol 2932.99 0.00 6,001.08    
56-85-9 Levoglutamide Glutamine 2924.19 14,301.21 8,735,281.60   6
2216-51-5 Levomenthol ; (1R,2S,5R)-5-methyl-2-propan-2-ylcyclohexan-1-ol ; L-menthol 1R,2S,5R)-2-isopropyl-5-methylcyclohexanol 2906.11 ; 3301.29 ; 3302.90 209,199.92 111,809,226.18   6
33817-09-3 Levomethamphetamine (–)-N,?-dimethylphenethylamine 2939.91 0.00     7
797-63-7 Levonorgestrel (8R,9S,10R,13S,14S,17R)-13-ethyl-17-ethynyl-17-hydroxy-1,2,6,7,8,9,10,11,12,14,15,16-dodecahydrocyclopenta[a]phenanthren-3-one 2937.23 153.33 11,386,560.74   6
55-03-8 Levothyroxine Sodium Sodium (2S)-2-amino-3-[4-(4-hydroxy-3,5-diiodophenoxy)-3,5-diiodophenyl]propanoate 2937.90 10.50 2,223,700.88   6
123-76-2 Levulinic Acid 4-oxopentanoic acid 2918.30 46.35 39,479.00    
7787-20-4 L-Fenchone (1R,4R)-2,2,4-trimethylbicyclo[2.2.1]heptan-3-one 2914.29 0.05 790.77    
142-47-2 L-Glutamic acid monosodium salt hydrate Monosodium glutamate 2922.42 78,578,160.04 3,105,303,750.00    
103239-24-3 L-Glutathione oxidized disodium salt Disodium (2S)-2-amino-5-[[(2R)-3-[[(2R)-2-[[(4S)-4-amino-4-carboxybutanoyl]amino]-3-(carboxylatomethylamino)-3-oxopropyl]disulfanyl]-1-(carboxymethylamino)-1-oxopropan-2-yl]amino]-5-oxopentanoate 2930.90 0.25 1,915.40    
626-72-2 L-Homocystine (2S)-2-Amino-4-[[(3S)-3-amino-3-carboxypropyl]disulfanyl]butanoic acid 2930.90 0.10 3,824.09    
58749-22-7 Licochalcone A (E)-3-[4-Hydroxy-2-methoxy-5-(2-methylbut-3-en-2-yl)phenyl]-1-(4-hydroxyphenyl)prop-2-en-1-one 2914.50 15.02 23,880.65    
137-58-6 Lidocaine Lidocaine 2924.29 2,925.00 2,522,792.66   6
6108-05-0 Lidocaine Hydrochloride 2-(Diethylamino)-N-(2,6-dimethylphenyl)acetamide;hydrate;hydrochloride

2937.29 50.00 40,422.04   6
73-78-9 Lidocaine Hydrochloride 2-(diethylamino)-N-(2,6-dimethylphenyl)acetamide hydrochloride 2924.29 3,395.00 2,410,254.68   6
14344-48-0 Ligand for labelling with 99mTc (2R)-2-[2-[[(1R)-1-carboxy-2-sulfanylethyl]amino]ethylamino]-3-sulfanylpropanoic acid 2845.90 1.38 55,668.34    
557-59-5 Lignoceric Acid Tetracosanoic acid

2915.90 0.10 1,885.66    
1124-11-4 Ligustrazine 2,3,5,6-tetramethylpyrazine 2933.99 2.00 5,562.69    
138-86-3 Limonene           1-methyl-4-(prop-1-en-2-yl)cyclohexene 2902.19 ; 3208.90 ; 3301.19 114,530.00 14,180,866.31   3
668270-12-0 Linagliptin 8-[(3R)-3-Aminopiperidin-1-yl]-7-but-2-ynyl-3-methyl-1-[(4-methylquinazolin-2-yl)methyl]purine-2,6-dione 2933.59 2.01 542,677.27   6
78-70-6 Linalool 3,7-dimethylocta-1,6-dien-3-ol 2905.22 6,616.73 1,909,580.38    
1365-19-1 Linalool oxide 6-Methyl-2-(oxiran-2-yl)hept-5-en-2-ol 2932.19 100.00 130,244.48