Prescription drug · ANDA
Chlorzoxazone NDC 70518-4364
Chlorzoxazone 500 mg/1 · Tablet · Oral · REMEDYREPACK INC.
NDC codes
FDA NDC Directory| Package NDC | 11-digit (billing) | Package | Copy |
|---|---|---|---|
| 70518-4364-0 | 70518436400 | 90 TABLET in 1 BOTTLE, PLASTIC (70518-4364-0)Marketed from Jun 18, 2025 | |
| 70518-4364-1 | 70518436401 | 60 TABLET in 1 BOTTLE, PLASTIC (70518-4364-1)Marketed from Jan 29, 2026 |
How the 11-digit form is made: The package segment has 1 digit, so one leading zero is added to it (5-4-1 → 5-4-2). Formatting the NDC does not by itself make it billable — the product, package and quantity must match what was dispensed or administered, and payer rules apply. Conversion rules
Product information
- Brand name (proprietary)
- Chlorzoxazone
- Generic name (nonproprietary)
- chlorzoxazone
- Active ingredients
- Chlorzoxazone — 500 mg/1
- Dosage form
- Tablet
- Route
- Oral
- Labeler
- REMEDYREPACK INC.
- Product type
- Prescription drug
- Marketing category
- ANDA — Abbreviated New Drug Application (generic)Application ANDA 089853
- Marketing start
- Listing expires
- Other FDA classes
- Centrally-mediated Muscle Relaxation (Physiologic effect)
- Identifiers
- Product ID 70518-4364_4986f0f6-a218-6af3-e063-6394a90a34d3SPL ID 4986f0f6-a218-6af3-e063-6394a90a34d3SPL set ID 3f73a1d1-b3ee-4678-bc02-3258ec812127RxCUI 197502UNII H0DE420U8G
- Pharmacologic class
- Muscle Relaxant
Billing references
What Med-Code can say about coding this product, and where each statement comes from. Nothing here is inferred from the name alone.
- HCPCS codeNo match
No HCPCS code in Med-Code's directory. Oral products like this are usually dispensed by a pharmacy and billed by NDC.
- NDC on a medical claim
N470518436400followed by a unit qualifier and the quantityPackage 70518-4364-00. Unit qualifiers: F2 (international unit), GR (gram), ME (milligram), ML (milliliter), UN (unit (each)). The qualifier and quantity depend on what was given. About the N4 qualifier
Product label
Current FDA label (SPL), effective .
Indications (excerpt from the label)
INDICATIONS AND USAGE Chlorzoxazone is indicated as an adjunct to rest, physical therapy, and other measures for the relief of discomfort associated with acute, painful musculoskeletal conditions. The mode of action of this drug has not been clearly identified, but may be related to its sedative properties. Chlorzoxazone does not directly relax tense skeletal muscles in man.
Excerpt only. Read the full label for complete information.
Other NDCs under ANDA 089853
Products listed under the same FDA application: other strengths and forms, and repackagers who relabel the same product.
| Product | Strength | Form · route | Labeler | Product NDC |
|---|---|---|---|---|
| Chlorzoxazone | Chlorzoxazone 500 mg/1 | TabletOral | Bryant Ranch Prepack | 71335-2009 |
| Chlorzoxazone | Chlorzoxazone 375 mg/1 | TabletOral | Aurobindo Pharma Limited | 59651-305 |
| Chlorzoxazone | Chlorzoxazone 500 mg/1 | TabletOral | Aurobindo Pharma Limited | 59651-306 |
| Chlorzoxazone | Chlorzoxazone 750 mg/1 | TabletOral | Aurobindo Pharma Limited | 59651-307 |
| Chlorzoxazone | Chlorzoxazone 375 mg/1 | TabletOral | Advanced Rx of Tennessee, LLC | 80425-0525 |
| Chlorzoxazone | Chlorzoxazone 750 mg/1 | TabletOral | Advanced Rx of Tennessee, LLC | 80425-0526 |
| Chlorzoxazone | Chlorzoxazone 500 mg/1 | TabletOral | Advanced Rx Pharmacy of Tennessee, LLC | 80425-0315 |
| Chlorzoxazone | Chlorzoxazone 500 mg/1 | TabletOral | Proficient Rx LP | 71205-711 |