| Product Name | CAS Registry Number |
| 3-Hydroxybenzaldehyde | 100-83-4 |
| Hexamethylenetetramine | 100-97-0 |
| 2-Heptyn-1-ol | 1002-36-4 |
| Hexyl 2-methylbutyrate | 10032-15-2 |
| Hydriodic acid | 10034-85-2 |
| Hydrazine sulfate | 10034-93-2 |
| Hydrogen bromide | 10035-10-6 |
| 4-(1H-Imidazol-1-yl)benzaldehyde | 10040-98-9 |
| Halosulfuron methyl | 100784-20-1 |
| 3-Hydroxydiphenylamine | 101-18-8 |
| Hydrazine hydrate | 10217-52-4 |
| 3-Hydroxy-4-(N,N-dimethylamino)tetrahydrofuran | 10295-90-6 (30197-51-4) |
| 2-(2-Hydroxyethyl)pyridine | 103-74-2 |
| Hydroquinone bis(2-hydroxyethyl)ether | 104-38-1 |
| HC Yellow 13 | 10442-83-8 |
| 4-Heptanolide | 105-21-5 |
| 3-Heptanone | 106-35-4 |
| 1,5-Hexadiene-3,4-diol | 1069-23-4 |
| 2-Hydroxyethanesulphonic acid | 107-36-8 |
| Hexamethyldisiloxane | 107-46-0 |
| 1H-Imidazole-4-carboxylic acid | 1072-84-0 |
| 4-Hydroxycoumarin | 1076-38-6 |
| Heptyl 4-hydroxybenzoate | 1085-12-7 |
| 3-Hexyn-2-ol | 109-50-2 |
| 2-Hydroxyethylhydrazine | 109-84-2 |
| 2-Heptanone | 110-43-0 |
| Hexane | 110-54-3 |
| 4,4'-(Hexafluoroisopropylidene)diphthalic anhydride | 1107-00-2 |
| Heptanoic acid | 111-14-8 |
| Hexyl alcohol | 111-27-3 |
| 1-Hexanethiol | 111-31-9 |
| Heptaldehyde | 111-71-7 |
| Hexadecyl trimethyl ammonium chloride | 112-02-7 |
| 4-Hydroxybenzophenone | 1137-42-4 |
| 4-Hexyloxybenzoic acid | 1142-39-8 |
| Hexafluoropropylene | 116-15-4 |
| Hexachloroacetone | 116-16-5 |
| 2-Hydroxybenzophenone | 117-99-7 |
| 2'-Hydroxyacetophenone | 118-93-4 |
| 1,6-Hexanedithiol | 1191-43-1 |
| Hexafluorozirconic acid | 12021-95-3 |
| Hexaammonium molybdate | 12027-67-7 |
| 3'-Hydroxyacetophenone | 121-71-1 |
| 4-Hydroxydiphenylamine | 122-37-2 |
| 4-Heptanone | 123-19-3 |
| Hydroquinone | 123-31-9 |
| 4-Hydroxy-4-methyl-2-pentanone | 123-42-2 |
| 1-Hydroxybenzotriazole hydrate | 123333-53-9 |
| 2-(2H-Benzothiazol-2-yl)-6-(dodecyl)-4-methylphenol | 125304-04-3 |
| 3-(2H-Benzotriazolyl)-5-(1,1-di-methylethyl)-4-hydroxy-benzenepropanoic acid octyl esters | 127519-17-9 |