• I4AA
• 56368-58-2
• C5H5N2NaO2
• 

• INTERFERON ALFA-2B
• 99210-65-8
• C₈H₁₅N₃O₇
• 

• ISOCARAMIDINE SULFATE
• 581-88-4
• C₁₀H₁₃N₃•1/2H₂O₄S
• 

• ISOPROPANOLAMINE PHOSPHATE
• 29868-06-2
• C3H12NO5P
• 

• Ibandronate sodium
• 138926-19-9
• C9H22O7NP2Na
• 

• Ibutilide fumarate
• 122647-32-9
• C20H36N2O3S.C4H4O4
• 

• Icariin
• 489-32-7
• C33H40O15
• 

• Idarubicin hydrochloride
• 57852-57-0
• C26H27NO9.HCl
• 

• Ifenprodil
• 23210-56-2
• C21H27NO2
• 

• Ifenprodil tartrate
• 23210-58-4
• 2(C21H27NO2).C4H6O6
• 

• Iloprost
• 78919-13-8
• C22H32O4
• 

• Imidazo[1,2-a]pyrazin-3(7H)-one,2-[(4-fluorophenyl)methyl]-6-(4-hydroxyphenyl)-8-(phenylmethyl)-
• 123437-16-1
• C26H20 F N3 O2
• 

• Imidazo[1,2-a]pyrazin-3(7H)-one,8-(cyclopentylmethyl)-6-(4-hydroxyphenyl)-2-(phenylmethyl)-
• 123437-32-1
• C25H25 N3 O2
• 

• Imidazo[1,2-a]pyrazine,8-chloro-2,3-dihydro-, hydrochloride (1:1)
• 143592-06-7
• C6H6 Cl N3 . Cl H
• 

• Imidazo[1,2-a]pyridin-3-amine
• 28036-33-1
• C7H7N3
• 

• Imidazo[1,2-a]pyridine,6-chloro-2-phenyl-
• 168837-18-1
• C13H9 Cl N2
• 

• Imidazo[1,2-a]pyridine-2-carboxylicacid, 7-methyl-
• 80353-94-2
• C9H8N2O2
• 

• Imidazo[1,2-a]pyridine-3-carboxaldehyde,6-chloro-2-phenyl-, O-[(4-fluorophenyl)methyl]oxime
• 478257-35-1
• C21H15 Cl F N3 O
• 

• Imidazo[1,2-a]pyrimidine,3-bromo-2-(4-methoxyphenyl)-
• 478043-89-9
• C13H10 Br N3 O
• 

• Imidazo[2,1-b]thiazole-5-carboxaldehyde,6-[(4-methylphenyl)thio]-
• 175277-55-1
• C13H10N2OS2
• 

• Imidodicarbonimidic diamide,N-(3,5-dichlorophenyl)-, hydrochloride (1:1)
• 175205-04-6
• C8H9 Cl2 N5 . Cl H
• 

• Imidodicarbonimidicdiamide, N-(4-chlorophenyl)-N'-(1-methylethyl)-
• 500-92-5
• C11H16ClN5
• 

• Imidodicarbonimidicdiamide, N-(4-chlorophenyl)-N'-(1-methylethyl)-, hydrochloride (1:1)
• 637-32-1
• C11H17Cl2N5
• 

• Imipenem
• 74431-23-5
• C12H17N3O4S.H2O
• 

• Imipenem and cilastatin sodium
• 85960-17-4
• C₂₈ H₄₃ N₅ O₉ S₂
• 

• Immedial brillantgreenGB
• 1327-73-7
• C22H18N2O4S
• 

• Immunoglobulin G1,anti-(human p185neu receptor) (human-mouse monoclonal rhuMab HER2 g1-chain), disulfide with human-mousemonoclonal rhuMab HER2 light chain, dimer
• 180288-69-1
•  
• 

• Indanthren PrintingBlack BB (8CI,9CI)
• 12262-66-7
•  
• 

• Indene oxide
• 768-22-9
• C9H8O
• 

• Indeno[1,2,3-cd]pyrene
• 193-39-5
• C₂₂H₁₂
• 

• Indigo
• 482-89-3
• C16H10N2O2
• 

• Indinavir sulfate
• 157810-81-6
• C36H47N5O4.H2SO4
• 

• Indirubin
• 479-41-4
• C16H10N2O2
• 

• Indium (III) sulfide
• 12030-24-9
• In2S3
• 

• Indium 2,4-pentanedionate
• 14405-45-9
• C15H21InO6
• 

• Indium acetate
• 25114-58-3
• In.(C2H3O2)3
• 

• Indium chloride(InCl3), tetrahydrate (8CI,9CI)
• 22519-64-8
• Cl3In . 4 H2 O
• 

• Indium hydroxide
• 55326-87-9
• H₃InO₃
• 

• Indium,tris(2,2,6,6-tetramethyl-3,5-heptanedionato-kO3,kO5)-, (OC-6-11)-
• 34269-03-9
• C33H57 In O6
• 

• Indocyanine Green
• 3599-32-4
• C43H47N2NaO6S2
• 

• Indolizine
• 274-40-8
• C8H7 N
• 

• Indolo[3,2-d][1]benzazepin-6(5H)-one,7,12-dihydro-9-nitro-
• 237430-03-4
• C16H11 N3 O3
• 

• Indolo[3,2-d][1]benzazepin-6(5H)-one,9-bromo-7,12-dihydro-
• 142273-20-9
• C16H11 Br N2 O
• 

• Indolo[4,3-ab]phenanthridine,4,6,6a,7,8,12b-hexahydro-7-methyl-, (6aR,12bR)-
• 100999-26-6
• C19H18 N2
• 

• Ingenol
• 30220-46-3
• C20H26O5
• 

• Inosine, 6-thio-
• 574-25-4
• C10H12N4O4S
• 

• Inosine, 8-bromo-
• 55627-73-1
• C10H11 Br N4 O5
• 

• Inosine, 8-chloro-(9CI)
• 116285-77-9
• C10H11 Cl N4 O5
• 

• Inosine,2'-deoxy-2'-fluoro-
• 80049-87-2
• C10H11 F N4 O4
• 

• Inosine,6-S-methyl-6-thio-
• 342-69-8
• C11H14N4O4S
• 

• Inosine-5'-diphosphate trisodium salt
• 81012-88-6
• C10H11N4Na3O11P2
• 

• Inosine-5'-diphosphoric acid disodium salt
• 54735-61-4
• C10H12N4Na2O11P2
• 

• Inosine-5'-triphosphate trisodium salt
• 35908-31-7
• C10H12N4Na3O14P3
• 

• Insulin
• 9004-10-8
• C₂₁H₃₀NO₄⁺
• 

• Inulin
• 9005-80-5
• C12H22O11.C6H12O6
• 

• Iodic acid (HIO3),bismuth(3+) salt (8CI,9CI)
• 13702-39-1
• Bi. 3 H I O3
• 

• Iodic acid (HIO3),cerium(4+) salt (8CI,9CI)
• 13813-99-5
• Ce. 4 H I O3
• 

• Iodine bromide
• 7789-33-5
• BrI
• 

• Iodine monochloride
• 7790-99-0
• ClI
• 

• Iodonium, diphenyl-
• 10182-84-0
• C12H10 I
• 

• Iodosulfuron-methyl-sodium
• 144550-36-7
• C14H13IN5NaO6S
• 

• Ionone
• 8013-90-9
• C13H20O
• 

• Ionone, methyl-
• 1335-46-2
• C14H22O
• 

• Iopamidol
• 62883-00-5
• C17H22I3N3O8
• 

• Ioxitalamic acid
• 28179-44-4
• C12H11I3N2O5
• 

• Ipratropium bromide
• 22254-24-6
• C20H30BrNO3
• 

• Ipratropium bromide
• 66985-17-9
• C20H30NO3.Br.H2O
• 

• Iridate(1-),pentachloronitrosyl-, potassium, (OC-6-21)- (9CI)
• 22594-86-1
• Cl5IrK2NO *
• 

• Iridate(3-),hexachloro-, ammonium (1:3), (OC-6-11)-
• 15752-05-3
• Cl6Ir . 3 H4 N
• 

• Iridium I dicarbonyl pentanedionate
• 14023-80-4
• C7H7IrO4
• 

• Iridium trichloride
• 10025-83-9
• IrCl3
• 

• Iridium,(2,4-pentanedionato-kO2,kO4)bis[2-(2-pyridinyl-kN)phenyl-kC]-, (OC-6-33)-
• 337526-85-9
• C27H23 Ir N2 O2
• 

• Irinotecan
• 97682-44-5
• C₃₃H₃₈N₄O₆
• 

• Irinotecan hydrochloride
• 100286-90-6
• C₃₃H₃₉ClN₄O₆
• 

• Irinotecan hydrochloride trihydrate
• 136572-09-3
• C₃₃H₄₅ClN₄O₉
• 

• Iron Oxide Black
• 1309-38-2
• Fe3O4
• 

• Iron citrate tetrahydrate
• 2338-05-8
• C6H5FeO7.4(H2O)
• 

• Iron oxide
• 11115-92-7
• Fe.HO.O
• 

• Iron phthalocyanine
• 132-16-1
• C₃₂H₁₆FeN₈
• 

• Iron saccharate
• 8047-67-4
• C18H24Fe2O24
• 

• Iron(II) chloride hydrate
• 23838-02-0
• Cl2Fe
• 

• Iron(II) iodide
• 7783-86-0
• FeI2
• 

• Iron(III) citrate
• 3522-50-7
• C6H5FeO7
• 

• Iron, acetylcarbonyl(h5-2,4-cyclopentadien-1-yl)(triphenylphosphine)-,stereoisomer
• 36548-60-4
• C26H23FeO2P 5*
• 

• Iron, acetylcarbonyl(h5-2,4-cyclopentadien-1-yl)(triphenylphosphine)-,stereoisomer (9CI)
• 36548-61-5
• C26H23FeO2P 5*
• 

• Isepamicin sulfate
• 67814-76-0
• C22H43N5O12.H2SO4
• 

• Isepamicine
• 58152-03-7
• C22H43N5O12
• 

• Isoacteoside
• 61303-13-7
• C29H36O15
• 

• Isoalantolactone
• 470-17-7
• C15H20O2
• 

• Isoalkanes, C10-13
• 68551-17-7
• C10H22
• 

• Isoamyl cinnamate
• 7779-65-9
• C14H18O2
• 

• Isobornyl acetate
• 125-12-2
• C12H20O2
• 

• Isobornyl acrylate
• 5888-33-5
• C13H20O2
• 

• Isobornyl methacrylate
• 7534-94-3
• C14H22O2
• 

• Isobutyl 2-butenoate
• 589-66-2
• C8H14O2
• 

• Isobutyl cinnamate
• 122-67-8
• C13H16O2
• 

• Isobutyramidoxime
• 35613-84-4
• C4H10N2O
• 

• Isochlorogenic acid A
• 2450-53-5
• C25H24O12
• 

• Isochlorogenic acid B
• 14534-61-3
• C25H24O12
• 

• Isoeugenol
• 97-54-1
• C10H12O2
•