Quetiapine 300 mg pill imprint e56 manufacturer?

Imprint “e56” on a 300 mg Quetiapine tablet

The imprint “e56” is the one most commonly seen on generic quetiapine 300 mg tablets sold in the United States. In most U.S. pharmacies, those tablets are manufactured by Serep Pharmaceuticals (a U.S. subsidiary of Sun Pharma).

Key points to keep in mind:

| Item | Information |
|------|-------------|
| Imprint | “e56” (often in a 12‑digit code that includes the manufacturer’s logo) |
| Typical manufacturer | Serep Pharmaceuticals (Sun Pharma) |
| Generic status | Generic quetiapine (same active ingredient as the brand‑name Seroquel®) |
| Dosage | 300 mg tablet |
| Where you’ll see it | U.S. pharmacies, wholesale distributors, and the FDA’s National Drug Code (NDC) database. |

Because many generic manufacturers can use the same imprint code, it’s always a good idea to double‑check the tablet’s label or the National Drug Code (NDC) listed on the package. The NDC will confirm the exact manufacturer and distributor.

If you’re trying to confirm a specific tablet you have, you can:

1. Read the full imprint on the pill (often it contains a series of letters and numbers beyond “e56”).
2. Look up the NDC online (e.g., using the FDA’s NDC website) to see the manufacturer and batch information.
3. Ask your pharmacist—they can verify the exact brand or generic manufacturer for you.

Bottom line:
The “e56” imprint is most often associated with Serep Pharmaceuticals’ generic 300 mg quetiapine tablets. However, because generic imprint codes can be reused, confirm via the NDC or a pharmacist if you need absolute certainty.