FDA Orange Book

Generic for Clozaril

Clozaril contains clozapine. Orange Book status for every listed strength, the approved generic makers, and the listed patents and exclusivities.

Source: FDA Orange Book data file dated 2026-10-09. Publisher page

Yes. The generic name for Clozaril is clozapine. 4 companies hold an active FDA approval (ANDA) for a generic version in the Orange Book. Therapeutic equivalence codes: AB.

Run it in Rivvi

Map Clozaril and your other top fills to their generics

Every strength in RxNorm, with brands that have no generic flagged.

Build the map

Free to start. Opens Rivvi, the AI workspace for healthcare teams.

Clozaril products in the Orange Book

Clozaril products and approved generics
Form and routeStrengthBrand statusBrand TEActive genericsGeneric TE codes
tablet, oral100MGMarketed (Rx)AB5AB
tablet, oral200MGDiscontinuedNone3AB
tablet, oral25MGMarketed (Rx)AB4AB
tablet, oral50MGDiscontinuedNone4AB

NDA 019758, held by HERITAGE LIFE SCIENCES BARBADOS INC. Active generics are ANDA products in the Orange Book prescription list with the same ingredient, dosage form, route and strength.

Approved generic clozapine

Approved generic versions of Clozaril
CompanyANDATE codeApprovedStrengths
IVAX PHARMACEUTICALS INC SUB TEVA PHARMACEUTICALS USA074949AB (A-rated, therapeutically equivalent)November 26, 1997100MG, 25MG, 50MG
MYLAN PHARMACEUTICALS INC075417AB (A-rated, therapeutically equivalent)May 27, 1999100MG, 200MG, 25MG, 50MG
IVAX PHARMACEUTICALS INC SUB TEVA PHARMACEUTICALS USA076809AB (A-rated, therapeutically equivalent)December 16, 2005100MG, 200MG, 50MG
ACCORD HEALTHCARE INC202873AB (A-rated, therapeutically equivalent)November 25, 2015100MG, 25MG
AUROBINDO PHARMA LTD206433AB (A-rated, therapeutically equivalent)November 29, 2016100MG, 200MG, 25MG, 50MG

Clozaril NDC codes

Questions

Is there a generic for Clozaril?

Yes. The generic name for Clozaril is clozapine. 4 companies hold an active FDA approval (ANDA) for a generic version in the Orange Book. Therapeutic equivalence codes: AB.

What is the generic name for Clozaril?

The active ingredient in Clozaril is clozapine, per the FDA Orange Book.

What does a therapeutic equivalence code mean?

In the Orange Book, codes that start with A (such as AB) mean FDA considers the product therapeutically equivalent to the reference drug. Codes that start with B mean FDA does not, at this time, consider the product therapeutically equivalent.

More on Clozaril and Clozapine

Try it on your own data today.

Free to start. Most teams are using it the same day.