| 1016-05-3 | Dibenzothiophene sulfone | C12H8O2S |
| 68959-17-1 | disodium 7-[(5-chloro-2,6-difluoropyrimidin-4-yl)amino]-4-hydroxy-3-[(4-methoxy-2-sulphonatophenyl)azo]naphthalene-2-sulphonate | C21H14 Cl F2 N5 O8 S2 . 2 Na |
| 26362-86-7 | Distannoxane,1,3-dihydroxy- (8CI,9CI) | H6O3 Sn2 |
| 2997-45-7 | Dibenz(b,e)fluoranthene | C24H14 |
| 108-59-8 | Dimethyl malonate | C5H8O4 |
| 79156-86-8 | deisopropylindecainide | C17H18 N2 O |
| 57998-69-3 | diethyl [2,5-bis(2-methylaziridin-1-yl)-3,6-dioxocyclohexa-1,4-diene-1,4-diyl]biscarbamate | C18H24N4O6 |
| 112573-72-5 | Dexecadotril | C21H23 N O4 S |
| 1609-19-4 | DIETHYLCHLOROSILANE | C4H11 Cl Si |
| 101623-07-8 | Di-D-fructofuranose1,2':2,4'-dianhydride (9CI) | C12H20 O10 |
| 34881-01-1 | diethyl 9H-fluoren-9-yl phosphate | C17H19O4P |
| 13188-60-8 | dodecanedioic acid, compound with hexane-1,6-diamine (1:1) | C18H38N2O4 |
| 4302-89-0 | D-Win 5094 | C12H15Cl2NO3S |
| 150155-65-0 | D-Phenylalaninamide,4-chloro-D-phenylalanyl-L-alanyl-L-tyrosyl-D-tryptophyl-L-lysyl-L-valyl-L-alanyl-(9CI) | C55H70 Cl N11 O9 |
| 33814-34-5 | dioctyl glutarate | C21H40 O4 |
| 32366-73-7 | decane-1,10-diyl dimethanesulfonate | C12H26O6S2 |
| 101994-11-0 | desamido-neuropeptide Y | C190H286 N54 O58 |
| 70208-51-4 | dipotassium p-[4,5-dihydro-4-[5-[5-hydroxy-3-methyl-1-(4-sulphonatophenyl)-1H-pyrazol-4-yl]penta-2,4-dienylidene]-3-methyl-5-oxo-1H-pyrazol-1-yl]benzenesulphonate | C25H20K2N4O8S2 |
| 6283-27-8 | diammonium malate | C4H6 O5 . 2 H3 N |
| 5409-42-7 | DECAHYDRO-PYRAZINO[2,3-B]PYRAZINE | C6H14N4 |
| 1216-84-8 | decahydro-3a,6,6,9a-tetramethylnaphtho[2,1-b]furan-2(1H)-one | C16H26 O2 |
| 87384-00-7 | Dimethyl isopropylidenesuccinate, tech. | C9H14O4 |
| 24735-35-1 | disodium oxobis[sulphato(2-)-O]zirconate(2-) | Na. 1/2 O9 S2 Zr |
| 81859-29-2 | Dichloran | C6H4Cl2N2O2 |
| 25399-32-0 | Dispiro[2.1.2.1]octane | C8H12 |
| 6938-26-7 | DL-ALPHA-HYDROXYVALERIC ACID ETHYL ESTER | C7H14O3  |
| 156340-45-3 | decahydro-4a-hydroxy-4-oxo-2-propyl-5-vinylquinoline-1-carboxylic acid phenyl ester | C21H27 N O4 |
| 110826-52-3 | dimethyl[4-(2-oxopyrrolidin-1-yl)but-2-yn-1-yl]sulfonium perchlorate | C10H16ClNO5S |
| 146-06-5 | diquinine carbonate | C41H46 N4 O5 |
| 20958-18-3 | Dihydrotanshinone | C18H14O3 |
| 14431-43-7 | D(+)-GLUCOSE MONOHYDRATE | C6H12O6.H2O |
| 94087-52-2 | disodium dihydrogen [(dodecylimino)bis(methylene)]bisphosphonate | C14H33 N O6 P2 . 2 Na |
| 116261-02-0 | D-chiro-Inositol, O-.alpha.-D-galactopyranosyl-(1?6)-O-.alpha.-D-galactopyranosyl-(1?2)- | C18H32 O16 |
| 56722-93-1 | D-Homopregn-4-ene-3,20-dione | C22H32O2 |
| 125674-80-8 | dimethyl [3-(4-fluorophenyl)-4,5-dihydroisoxazol-5-yl]phosphonate | C11H13 F N O4 P |
| 34965-30-5 | DI-TERT-AMYL DISULFIDE | C10H22 S2 |
| 143629-44-1 | desertomycin B | C61H106 O22 |
| 3201-73-8 | diethyl prop-2-yn-1-ylphosphonate | C7H13 O3 P |
| 4384-82-1 | Dithiocarbamate | CH2NS2- |
| 17737-68-7 | Diclonixin | C12H8 Cl2 N2 O2 |
| 141788-28-5 | disodium monofluorophosphate-calcium carbonate | CCaFNa2O6P |
| 70942-29-9 | dimethyl 10-[[2-[(5-methoxy-1,5-dioxopentyl)oxy]ethyl]thio]-10-methyl-5,15-dioxo-6,14-dioxa-9,11-dithia-10-stannanonadecanedioate | C25H42 O12 S3 Sn |
| 867-17-4 | DIETHYLMETHYLPHOSPHATE | C5H13 O4 P |
| 93207-55-7 | dichloroplatinum(2+) bis{[2-hydroxy-3-(2-nitro-1H-imidazol-1-yl)propyl]azanide} | C12H18Cl2N8O6Pt |
| 492-73-9 | Di-2-pyridylglyoxal | C12H8N2O2 |
| 95-43-2 | D-(-)-THREOSE | C4H8O4 |
| 58471-10-6 | Darlingine | C13H17NO2 |
| 10519-12-7 | DECAHYDRO-2-NAPHTHYL FORMATE | C11H18 O2 |
| 111660-18-5 | desmethylnafoxidine aziridine | C26H25 N O2 |
| 1798-49-8 | Difencloxazine | C19H22 Cl N O2 . Cl H |
| 102612-61-3 | D-Streptamine,O-2-amino-2-deoxy-a-D-glucopyranosyl-(1®4)-O-[3-amino-3-deoxy-a-D-glucopyranosyl-(1®6)]-N3-acetyl- (9CI) | C20H38 N4 O13 |
| 54345-83-4 | disodium 9,10-dioxo-1-[sulfonato-(sulfonatoamino)amino]anthracene | C14H10 N2 O8 S2 . 2 Na |
| 37217-33-7 | Deoxyribonucleic polymerase III |
| 1638-86-4 | DIETHYL PHENYLPHOSPHONITE | C10H15O2P |
| 37259-52-2 | DNA ligase |
| 597-55-7 | DIETHYL DIBENZYLMALONATE | C21H24 O4 |
| 22276-33-1 | Dispiro[1,3-dithiane-2,2'-tricyclo[9.3.1.14,8]hexadeca[1(15),4,6,8(16),11,13]hexaene-10',2''-[1,3]dithiane] | C22H24 S4 |
| 2047-14-5 | Dithiophosphoric acid O,O-diethyl S-(carbamoylmethyl) ester | C6H13NO3PS2 |
| 1679-49-8 | dihydro-4-methyl 2(3H)-furanone | C5H8O2 |
| 16667-00-8 | diphenylethane hydroperoxide | C14H14 O2 |
| 869-10-3 | Diethyl 2,5-dibromohexanedioate | C10H16Br2O4 |
| 589-57-1 | DIETHYL CHLOROPHOSPHITE | C4H10ClO2P |
| 35788-61-5 | dichlorobis(cytosine)copper(II) | C8H10 Cl2 Cu N6 O2 |
| 94200-51-8 | diammonium 4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13,14,15,15,15-tetracosafluoro-2-hydroxy-14-(trifluoromethyl)pentadecyl phosphate | C16H8 F27 O5 P . 2 H3 N |
| 78693-52-4 | Dibutyldipentyltin | C18H40Sn |
| 25321-09-9 | DIISOPROPYLBENZENE | C12H18 |
| 1333-71-7 | D-glucitol trioleate | C60H110O9 |
| 27135-62-2 | DUY |
| 61968-66-9 | Disperse Yellow 114 | C20H16N4O5S |
| 71463-46-2 | Diacetic peroxydicarbonic dianhydride |
| 20170-20-1 | Difenamizole | C20H22 N4 O |
| 100839-37-0 | Dipyrenylcystine N-hydroxysulfosuccinimidyl monoester | C42H31 N3 O9 S3 |
| 3865-35-8 | dimethylbis(palmitoyloxy)stannane | C34H68 O4 Sn |
| 473-75-6 | DL-2-AMINO-3-METHYL-1-BUTANOL | C5H13 N O |
| 69847-46-7 | dipotassium 14-(p-tolyloxy)-3,6,9,12-tetraoxatetradecyl phosphate | C17H29 O9 P . 2 K |
| 15687-09-9 | difebarbamate | C28H42 N4 O9 |
| 12163-21-2 | dilutetium triselenide | Lu2Se3 |
| 24390-14-5 | Doxycycline hyclate | C22H24N2O8.HCl |
| 36804-95-2 | Deoxyharringtonine | C28H37 N O8 |
| 103060-53-3 | Daptomycin | C72H101 N17 O26 |
| 1333-44-4 | dimethylcyclohexanone | C8H14O |
| 21842-28-4 | Dispiro[1,2,4-dioxazolidine-3,1':5,1''-dicyclohexane] | C12H21NO2 |
| 17937-68-7 | DIPHENYLDIVINYLSILANE | C16H16 Si |
| 89248-46-4 | DA 500 (catalyst) |
| 98570-53-7 | DICORONYLENE | C48H20 |
| 88045-98-1 | diethyl 4-(5,6-dihydro-1,4-dioxin-2-yl)-2,6-dimethyl-1,4-dihydropyridi ne-3,5-dicarboxylate | C17H23 N O6 |
| 64018-22-0 | disodium 3,3'-(phenylphosphinediyl)bis(benzene-1-sulphonate) | C18H15 O6 P S2 . 2 Na |
| 1804-93-9 | DI-N-PROPYLPHOSPHATE (1:1 MIXTURE OF MONO AND DI) | C6H15 O4 P |
| 95630-76-5 | DIENDO-3-AMINO-BICYCLO[2.2.1]HEPTANE-2-CARBOXYLIC ACID ETHYL ESTER HYDROCHLORIDE | C10H17 N O2 . Cl H |
| 24483-06-5 | Diazene,1-(1-methylethenyl)-2-(1-methylethyl)- | C6H12 N2 |
| 64845-68-7 | desacetyladriamycin | C25H27 N O9 |
| 70776-20-4 | disodium 5-[[4-[(4,6-dichloro-1,3,5-triazin-2-yl)methylamino]phenyl]azo]-2-[2-(4-nitro-2-sulphonatophenyl)vinyl]benzenesulphonate | C24H17 Cl2 N7 O8 S2 . 2 Na |
| 39461-55-7 | DeSoto 112 |
| 6473-13-8 | DIRECT BLACK 22 | C44H32N13Na3O11S3 |
| 70910-37-1 | DI-N-2-PROPYLPENTYLPHTHALATE | C24H38 O4 |
| 111727-49-2 | disodium (5R)-5-[(1S)-2-hydroxy-1-oxidoethyl]-3-[(hydroxy{[2,5,7,8-tetramethyl-2-(4,8,12-trimethyltridecyl)-3,4-dihydro-2H-chromen-6-yl]oxy}phosphoryl)oxy]-4-oxo-4,5-dihydrofuran-2-olate (non-preferred name) | C35H57 O10 P . 2 Na |
| 19515-61-8 | diethyl (3-oxopropyl)malonate | C10H16 O5 |
| 108354-35-4 | dimethylethyltin | C4H11 Br Sn |
| 4567-98-0 | DIMETHYL UNDECANEDIOATE | C13H24 O4 |
| 5858-82-2 | disodium 4-[(4-chloro-5-methyl-2-sulphonatophenyl)azo]-3-hydroxy-2-naphthoate | C18H13 Cl N2 O6 S . 2 Na |