| Product Name | CAS Registry Number |
| L(+)-Rhamnose monohydrate | 10030-85-0 |
| L-Histidine hydrochloride | 1007-42-7 |
| Loratadine ketone | 130642-50-1 |
| Lithium hydroxide | 1310-65-2 |
| Lithium hydroxide | 1310-66-3 (76576-67-5) |
| Lanthanum oxide | 1312-81-8 |
| Lead oxide | 1314-41-6 |
| Lead monoxide | 1317-36-8 |
| Lithopone | 1345-05-7 |
| Lithium perchlorate trihydrate | 13453-78-6 |
| Lithium dihydrogen phosphate | 13453-80-0 |
| L-Alanyl-L-proline | 13485-59-1 |
| Lithium molybdate(VI) | 13568-40-6 |
| Linalool oxide | 1365-19-1 |
| L-(+)-Glutamic acid hydrochloride | 138-15-8 |
| Lead fluoborate | 13814-96-5 |
| L-beta-Homophenylalanine hydrochloride | 138165-77-2 |
| Laurylpyridinum chloride | 139549-68-1 |
| Lithium tetrafluoroborate | 14283-07-9 |
| Lauric acid | 143-07-7 |
| Lithium chromate | 14307-35-8 |
| L-alpha-Cyclohexylglycine | 14328-51-9 |
| L-Octahydroindole-2-carboxylic acid | 145438-94-4 |
| L(+)-Homoarginine hydrochloride | 1483-01-8 |
| L(+)-2-Aminobutyric acid | 1492-24-6 |
| L-Glutamic acid 5-methyl ester | 1499-55-4 |
| L(+)-2-Amino-4-bromobutyric acid hydrobromide | 15159-65-6 |
| Lead(II) salicylate | 15748-73-9 |
| L-Isoleucine benzyl ester 4-toluenesulphonate | 16652-75-8 |
| L-Valine benzyl ester 4-toluenesulfonate | 16652-76-9 |
| L-4-Cyanophenylalanine | 167479-78-9 |
| Lithium aluminium hydride | 16853-85-3 |
| L-Arginine alpha-ketoglutarate | 16856-18-1 |
| L-N-Cbz-3-N-Boc-Amino-alanine | 16947-84-5 |
| L-4-Nitrophenylalanine methyl ester hydrochloride | 17193-40-7 |
| L-Leucine benzyl ester p-toluenesulfonate salt | 1738-77-8 |
| Lead(II) methanesulfonate | 17570-76-2 |
| L-Cysteine methyl ester hydrochloride | 18598-63-5 |
| L-2,4-Diaminobutyric acid dihydrochloride | 1883-09-6 |
| L-Allylglycine | 195316-72-4 |
| Lithium hexafluorophosphate | 21324-40-3 |
| Lenacil | 2164-08-1 |
| L-Aspartic acid 4-benzyl ester | 2177-63-1 |
| L-Homoserine lactone hydrochloride | 2185-03-7 |
| L-Mannono-1,4-lactone | 22430-23-5 |
| L-Alanyl-L-alanine | 2392-61-2 |
| L-Glutamic acid 5-tert-butyl ester | 2419-56-9 |
| L-4-Iodophenylalanine | 24250-85-9 |
| Lauryl chloroformate | 24460-74-0 |
| Lithium bis(oxalate)borate | 244761-29-3 |