| 1 | 921-01-7 | D-cysteine | C3H7NO2S | 121.16 | ~230 °C (dec.) | Soluble in water (partly). |
| 2 | 921-04-0 | N,N-DIMETHYL-2-BUTYLAMINE | C6H15N | 101.19 | -102.35°C (estimate) | |
| 3 | 921-08-4 | Inchi=1/C5H9clo2/C1-3(2)4(6)5(7)8/H3-4H,1-2H3,(H,7,8 | C5H9ClO2 | 136.58 | 21°C | |
| 4 | 921-09-5 | 1,1,2,3-tetrachlorobuta-1,3-diene | C4H2Cl4 | 191.87068 | -2°C (estimate) | |
| 5 | 921-10-8 | L-VALINE-UL-14C | C5H11NO2 | 117.15 | | |
| 6 | 921-13-1 | Chlorodinitromethane | | | | |
| 7 | 921-14-2 | N,N-DIISOPROPYLHYDRAZINE | C6H16N2 | 116.2 | | |
| 8 | 921-20-0 | 3-hydroxymethylpentane-2,4-diol | C6H14O3 | 134.17356 | | |
| 9 | 921-26-6 | DIISOPROPYLPHOSPHORAMIDOUS DICHLORIDE | C6H14Cl2NP | 202.06 | | |
| 10 | 921-28-8 | beta-isopropylmalate | | | | |
| 11 | 921-40-4 | 3-fluoro-N-acetylneuraminic acid | C11H17FNO9·xNa | | | |
| 12 | 921-47-1 | 2,3,4-TRIMETHYLHEXANE | C9H20 | 128.26 | -116.79°C | 271.1ug/L(temperature not stated) |
| 13 | 921-48-2 | S-2-Chloro-3-methylvaleric acid | C6H11ClO2 | 150.6 | | |
| 14 | 921-52-8 | DL-2,3-diaminosuccinic acid | C4H8N2O4 | 148.12 | | |
| 15 | 921-53-9 | L(+)tartaric acid dipotassium | C4H4K2O6 | 226.27 | | |
| 16 | 921-56-2 | D-mannuronic acid sodium salt | C6H11NaO7 | 218.14 | | |
| 17 | 921-57-5 | Methylprednisolone Hemisuccinate | | | | |
| 18 | 921-58-4 | 2,4-Hexadienedioic acid, 2,3,4,5-tetrachloro- | C6H2Cl4O4 | 279.89 | | |
| 19 | 921-60-8 | L-glucose | C6H12O6 | 180.16 | 153-156°C(lit.) | Soluble in water, alcohol. |
| 20 | 921-62-0 | 6-PG-Ba | C6H13O10P | 276.14 | | |
| 21 | 921-74-4 | ethyl L-isoleucinate | C8H17NO2 | 159.23 | | |
| 22 | 921-76-6 | Propanedinitrile, (1-aminoethylidene)- | C5H5N3 | 107.1133 | | |
| 23 | 921-77-7 | Methanesulfinamide, N,N-diethyl- | C5H13NOS | 135.22782 | | |
| 24 | 921-88-0 | 2,2-dichloro-N,N-diethylacetamide | C6H11Cl2NO | 184.06 | | |
| 25 | 921-90-4 | 2-O-Methyl-6-deoxy-D-allose | C7H14O5 | 178.18 | | |