| 131-48-6 | N-acetylneuraminic acid | (2S,4S,5R,6R)-5-Acetamido-2,4-dihydroxy-6-[(1R,2R)-1,2,3-trihydroxypropyl]oxane-2-carboxylic acid | 1 | | 2932.99 | | Send  | 8139.45 | |
| 131-53-3 | (2-Hydroxy-4-methoxyphenyl)-(2-hydroxyphenyl)methanone | | 1 | | 2914.50 | | Send  | 2095724.77 | |
| 131-54-4 | 2,2-Dihydroxy-4,4-dimethoxybenzophenone | | 1 | | 2933.99 ; 3812.30 | | Send  | 1128824.67 | |
| 131-55-5 | | | 1 | | 2914.50 | | Send  | 140608.49 | |
| 131-56-6 | 2,4-Dihydroxybenzophenone | (2,4-Dihydroxyphenyl)(phenyl)methanone | 1 | | 2914.69 | | Send  | 135716.66 | |
| 131-57-7 | 2-Hydroxy-4-methoxybenzophenone ; benzophenone-3 | (2-Hydroxy-4-methoxyphenyl)- phenylmethanone | 1 | | 2914.70 | | Send  | 11293933.97 | |
| 131-58-8 | (2-Methylphenyl)-phenylmethanone | (2-Methylphenyl)(phenyl)methanone | 1 | | 2914.39 | | Send  | 1644.87 | |
| 131-91-9 | 1-Nitrosonaphthalen-2-ol | 1-Nitroso-2-naphthol | 1 | | 2908.99 | | Send  | 13270.90 | |
| 131-92-0 | Vat brown 3 ; C.I. 69015 | | | 1 | 3204.15 | | Send  | 897548.39 | |
| 131-99-7 | Inosinic Acid | [(2R,3S,4R,5R)-3,4-dihydroxy-5-(6-oxo-3H-purin-9-yl)oxolan-2-yl]methyl dihydrogen phosphate | 1 | | 2934.99 | | Send  | 5530.23 | |