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CHLORZOXAZONE

ANDA

CHLORZOXAZONE | A213126 | RISING PHARMA HOLDINGS INC

3 strengths0 unique patents0 unique exclusivities

Drug Pricing (NADAC)

National Average Drug Acquisition Cost — Week of 2026-07-15 | 3 NDCs

Highest NADAC/Unit

$0.6489

per ea

Lowest NADAC/Unit

$0.2314

per ea

Brand NDCs

Generic NDCs

NDC Description	NADAC/Unit	Unit	Type	Generic NADAC	Effective
16571072701CHLORZOXAZONE 750 MG TABLET	$0.6489	EA	Generic	—	2026-06-17
16571072501CHLORZOXAZONE 375 MG TABLET	$0.5534	EA	Generic	—	2026-06-17
16571072601CHLORZOXAZONE 500 MG TABLET	$0.2314	EA	Generic	—	2026-06-17

Source: NADAC (data.medicaid.gov). Prices reflect national average acquisition costs for retail community pharmacies.

API Supply Chain8 active DMFs11 inactive

8 active API suppliers hold Drug Master Files for this ingredient.

SYN-TECH CHEM AND PHARM CO LTDCHLORZOXAZONE USP

DMF 87361990

SS PHARMA LLCCHLORZOXAZONE USP

DMF 308622016

CENTAUR PHARMACEUTICALS PRIVATE LTDCHLORZOXAZONE USP

DMF 321122017

BIOPHORE INDIA PHARMACEUTICALS PVT LTDCHLORZOXAZONE

DMF 328432018

SAURAV CHEMICALS LTDCHLORZOXAZONE USP

DMF 339202019

RAMPEX LABS PRIVATE LTDCHLORZOXAZONE

DMF 353002020

SHIJIAZHUANG CANSAV PHARMACEUTICAL TECHNOLOGY CO LTDCHLORZOXAZONE

DMF 408702024

RINI LIFE SCIENCE PRIVATE LIMITEDCHLORZOXAZONE USP

DMF 427842025

MALLINCKRODT CHEMICAL WORKSInactiveCHLORZOXAZONE

DMF 23541974

DAIWA PHARMACEUTICAL CO LTDInactiveCHLORZOXAZONE USP

DMF 47971983

CILAG CHEMIE AGInactiveCHLORZOXAZONE

DMF 49561983

YODOGAWA PHARMACEUTICAL CO LTDInactiveCHLORZOXAZONE USP XX

DMF 49951983

HOECHST AGInactiveCHLORZOXAZONE, BULK FORM

DMF 51271983

HEXAGON LABORATORIES INCInactiveCHLORZOXAZONE

DMF 53391984

HOECHST CELANESE CORPInactiveCHLORZOXAZONE(BULK)

DMF 55431984

HELSINN CHEMICALS SAInactiveCHLORZOXAZONE DRUG SUBSTANCE

DMF 65181986

TOKUYAMA CORPInactiveCHLORZOXAZONE USP

DMF 65631986

NORAMCO INCInactiveCHLORZOXAZONE

DMF 72911988

SEVEN STAR PHARMACEUTICAL CO LTDInactiveCHLORZOXAZONE

DMF 204712007

Source: FDA Drug Master Files (fda.gov). Type II API DMFs matched by ingredient.

Products (3)

Sort:

#001 — 375MG

0 patents0 exclusivities▴

TABLET;ORAL | Approved: Apr 5, 2022

No patent or exclusivity listings for this strength.

#002 — 500MG

0 patents0 exclusivities▾

TABLET;ORAL | Approved: Apr 5, 2022

#003 — 750MG

0 patents0 exclusivities▾

TABLET;ORAL | Approved: Apr 5, 2022