| 1 | 3128-05-0 | 2-(3-Oxocyclopentyl)acetic acid | C7H10O3 | 142.15 | | |
| 2 | 3128-06-1 | 4-acetylbutyric acid | C6H10O3 | 130.14 | 13-14°C(lit.) | Slightly soluble in water, chloroform and methanol. |
| 3 | 3128-07-2 | 5-Acetylvaleric acid | C7H12O3 | 144.17 | 35-37 °C (lit.) | Soluble in water |
| 4 | 3128-15-2 | cyclopentene-1,2-dicarboxylic acid | C7H8O4 | 156.136 | 177-178℃ | |
| 5 | 3128-17-4 | Cis-4-oxocyclopentane-1,2-dicarboxylic acid | C7H8O5 | 172.14 | | |
| 6 | 3128-18-5 | dl-trans-4-oxocyclopentane-1,2-carboxylic acid | C7H8O5 | 172.13500 | | |
| 7 | 3128-29-8 | N(1)-methyl-4-pyridone-5-carboxamide | C7H8N2O2 | 152.15 | 241 °C | |
| 8 | 3128-30-1 | N,N'-methylenebis(adenosine diphosphate) | C21H26N10O8 | 546.49 | | |
| 9 | 3128-32-3 | 2-Propenoic acid, hydrazide | C3H6N2O | 86.09 | | |
| 10 | 3128-37-8 | ADENYLYL(3'-5')CYTIDYLYL(3'-5')CYTIDINE FREE ACID | C28H37N11O18P2 | 877.6 | | |
| 11 | 3128-43-6 | 4-Nitrothiobenzoic acid S-phenyl ester | C13H9NO3S | 259.28 | | |
| 12 | 3128-48-1 | Benzenesulfonamide,2-nitro-N-(tetrahydro-2H-pyran-2-ylidene)- | C11H12N2O5S | 284.29 | | |
| 13 | 3128-51-6 | Benzenesulfonamide,2,5-dibromo-N-(tetrahydro-2H-pyran-2-ylidene)- | C11H11Br2NO3S | 397.08294 | | |
| 14 | 3128-52-7 | NSC 92579 | C11H11Cl2NO3S | 308.18094 | | |
| 15 | 3128-77-6 | 1,1-Biphenyl,2-isocyano-(9CI) | C13H9N | 179.221 | 116-118 °C | |
| 16 | 3128-83-4 | (4-Isocyanophenyl)(phenyl)methanone | C14H9NO | 207.23 | 79-84 °C | |
| 17 | 3128-85-6 | DIPHENYLMETHYL ISOCYANIDE | C14H11N | 193.24 | 45 °C | |
| 18 | 31280-60-1 | 5-Oxohexanoic Acid | C10H16OSi | 180.32 | | |
| 19 | 31280-96-3 | NA | | 199.72 | | |
| 20 | 31281-28-4 | Uridine, 2'-thio- | C9H12N2O5S | 260.27 | | |
| 21 | 31281-46-6 | 2,4(1H,3H)-Pyrimidinedione, dihydro-1-[2,3-O-(1-methylethylidene)-5-O-(triphenylmethyl)-β-D-ribofuranosyl]- | C31H32N2O6 | 528.6 | | |
| 22 | 31281-59-1 | N-Acetyl-α-D-glucosamine 1-phosphate disodium salt | C8H14NNa2O9P | 345.15 | | |
| 23 | 31281-76-2 | Benzyl α-D-glucopyranoside tetraacetate | C21H26O10 | 438.43 | | |
| 24 | 31281-77-3 | D-Glucitol, 2-O-α-D-glucopyranosyl- | C12H24O11 | 344.31 | | |
| 25 | 31281-78-4 | D-Glucitol, 2-O-β-D-glucopyranosyl- | C12H24O11 | 344.31 | | |
| 26 | 31281-86-4 | 2',3',5'-TRI-O-ACETYL-8-BROMOADENOSINE | C16H18BrN5O7 | 472.25 | | |
| 27 | 31281-88-6 | 8-INDOADENOSINE | C10H12IN5O4 | 393.136 | | |
| 28 | 31281-89-7 | Adenosine, 8-iodo-, 2',3',5'-triacetate | C16H18IN5O7 | 519.25 | | |
| 29 | 31281-98-8 | β-D-Galactofuranoside, ethyl, tetraacetate (9CI) | C16H24O10 | 376.36 | | |
| 30 | 31282-04-9 | hygromycin B solution from streptomyces hygroscopicus | C20H37N3O13 | 527.52 | 160-180°C | Miscible with water, methanol, buffer solution and ethanol. Immiscible with less polar solvents. |
| 31 | 31282-07-2 | Raucaffricine | C27H32N2O8 | 512.56 | | |
| 32 | 31282-09-4 | D-Glucitol, 6-O-β-D-glucopyranosyl- | C12H24O11 | 344.31 | | |
| 33 | 31282-15-2 | Chromium(1+), dichlorobis(1,10-phenanthroline-κN1,κN10)-, chloride (1:1), (OC-6-22)- | C24H16Cl3CrN4 | 518.77 | | |
| 34 | 31282-89-0 | 3-(3-ETHOXY-4-METHOXYPHENYL)PROPIONIC ACID | C12H16O4 | 224.25 | 103～105℃ | |
| 35 | 31282-90-3 | 3-(2-Bromo-4-ethoxy-5-methoxyphenyl)propanoic acid | C12H15BrO4 | 303.15 | | |
| 36 | 31282-95-8 | 1-(CHLOROMETHYL)PYRROLIDIN-2-ONE | C5H8ClNO | 133.58 | | |
| 37 | 31283-25-7 | ISOQUINOLINE-3-YL DIPHENYL METHANOL | C22H17NO | 311.38 | | |
| 38 | 31283-43-9 | 2-Chloro-1-octene | C8H15Cl | 146.66 | | |
| 39 | 31283-47-3 | 11,14[3',4']Furano-14H-cyclopenta[a]phenanthrene-21,23-dione, 20,24-dihydro- (9CI) | C21H12O3 | 312.32 | | |
| 40 | 31283-66-6 | 4,9-Etheno-8a,4a-(iminomethano)-1H-benz[f]isoindole-1,3(2H)-dione (9CI) | C15H10N2O2 | 250.25 | | |
| 41 | 31284-04-5 | 1-(2,4-DINITROPHENYL)-PIPERAZINE HCL | C10H13ClN4O4 | 288.69 | | |
| 42 | 31284-17-0 | 2-oxo-2,3-dihydro-1,3-benzothiazole-6-sulfonamid
e | C7H6N2O3S2 | 230.26 | | |
| 43 | 31284-89-6 | (R)-(-)-4-Methylmandelic Acid, Chipros, ee | C9H10O3 | 166.18 | 130-133 | |
| 44 | 31284-94-3 | DIHYDROZEATIN RIBOSIDE-5'-MONOPHOSPHATE SODIUM SALT (DHZMP) | C15H24N5O8P | 433.35 | | |
| 45 | 31284-96-5 | N-Sulfo-glucosamine potassium salt | C6H14KNO8S | 299.34 | | |
| 46 | 31285-49-1 | 1,4:5,8-Diepoxybenzo[3',4']cyclobuta[1',2':3,4]cyclobuta[1,2]benzene, tetradecahydro- (9CI) | C14H18O2 | 218.29 | | |
| 47 | 31288-32-1 | 1,3-Benzenediol,chloro- | C6H5ClO2 | 144.555 | | |
| 48 | 31288-44-5 | 1,5-diamino-4,8-dihydroxy(4-methoxyphenyl)anthraquinone | C21H16N2O5 | 376.36214 | | |
| 49 | 31289-17-5 | 3-HYDROXY-1-(4-METHYLPHENYL)-4,5-DIHYDRO-1H-PYRAZOLE | C10H12N2O | 176.21508 | | |
| 50 | 31289-43-7 | DL-HISTIDINEHYDROCHLORIDEDIHYDRATE | | | | |