| 13811-717 | chlorzoxazone | chlorzoxazone | Trigen Laboratories, LLC | ANDA | Current |
| 13811-717 | chlorzoxazone | chlorzoxazone | Trigen Laboratories, LLC | ANDA | Current |
| 13811-718 | chlorzoxazone | chlorzoxazone | Trigen Laboratories, LLC | ANDA | Current |
| 13811-718 | chlorzoxazone | chlorzoxazone | Trigen Laboratories, LLC | ANDA | Current |
| 46672-117 | chlorzoxazone | chlorzoxazone | Mikart Inc. | ANDA | Current |
| 46672-117 | chlorzoxazone | chlorzoxazone | Mikart, LLC | ANDA | Current |
| 46672-118 | chlorzoxazone | chlorzoxazone | Mikart Inc. | ANDA | Current |
| 46672-118 | chlorzoxazone | chlorzoxazone | Mikart, LLC | ANDA | Current |
| 55700-517 | Lorzone | chlorzoxazone | Lake Erie Medical DBA Quality Care Products LLC | ANDA | Current |
| 68025-046 | Lorzone | chlorzoxazone | Vertical Pharmaceuticals, Inc. | ANDA | Current |
| 68025-046 | Lorzone | chlorzoxazone | Vertical Pharmaceuticals, Inc. | ANDA | Current |
| 68025-046 | Lorzone | chlorzoxazone | Vertical Pharmaceuticals, Inc. | ANDA | Current |
| 68025-047 | Lorzone | chlorzoxazone | Vertical Pharmaceuticals, Inc. | ANDA | Current |
| 68025-047 | Lorzone | chlorzoxazone | Vertical Pharmaceuticals, Inc. | ANDA | Current |
| 68025-047 | Lorzone | chlorzoxazone | Vertical Pharmaceuticals, Inc. | ANDA | Current |