CHLORZOXAZONE

Product NDC: 72319-168
11-digit product format: 723190168
Labeler code: 72319
Product ID: 72319-168_7fc76bc9-380c-4b26-8a3e-b5f6ac956618
Type: HUMAN PRESCRIPTION DRUG
Nonproprietary name: CHLORZOXAZONE
Dosage form: TABLET
Route: ORAL
Labeler: i3 Pharmaceuticals, LLC
Application: ANDA212053
Marketing category: ANDA
Marketing start: 2020-09-16
Marketing end: 0000-00-00
Substance: CHLORZOXAZONE
Active strength: 750 mg/1
Pharmacologic classes: Centrally-mediated Muscle Relaxation [PE],Muscle Relaxant [EPC]
NDC exclude flag: No
Listing certified through: 2021-12-31
Current FDA listing: Historical FDA.report record

NDC auxiliary status#

These records are reproduced from FDA’s unfinished, excluded, and compounder listings. They describe what appeared in the source files; a missing record does not establish a regulatory status. View all current auxiliary records, including entries without an NDC. · View the auxiliary file history.

Current NDC status page 1 of 1 · 3 matching rows.

Dataset, Scope, Product NDC table
Dataset	Scope	Product NDC	Package NDC	Code	Status	Source date
excluded product	product	72319-168		D	Discontinued by firm	2026-08-07
excluded package	package	72319-168	72319-168-04	D	Discontinued by firm	2026-08-07
excluded package	package	72319-168	72319-168-05	D	Discontinued by firm	2026-08-07

Observed NDC auxiliary status history#

This history shows the information present in each captured FDA auxiliary file. It is not a continuous regulatory timeline, and a missing record does not establish a status.

Historic NDC status page 1 of 1 · 27 matching rows.

View current auxiliary records. · View the auxiliary file history.

Captured / source date, Dataset, Scope table
Captured / source date	Dataset	Scope	Package NDC	Code	Status	Snapshot	Source SHA-256
2025-12-14 17:58 UTC · source 2025-12-05	excluded product	product		D	Discontinued by firm	`d630ba8d3edf…`	`732f749b63fb…`
2025-12-14 17:58 UTC · source 2025-12-05	excluded package	package	72319-168-05	D	Discontinued by firm	`d630ba8d3edf…`	`732f749b63fb…`
2025-12-14 17:58 UTC · source 2025-12-05	excluded package	package	72319-168-04	D	Discontinued by firm	`d630ba8d3edf…`	`732f749b63fb…`
2025-08-27 00:01 UTC · source 2025-08-26	excluded product	product		D	Discontinued by firm	`f5e01cc5f278…`	`a2eaf40c39c3…`
2025-08-27 00:01 UTC · source 2025-08-26	excluded package	package	72319-168-05	D	Discontinued by firm	`f5e01cc5f278…`	`a2eaf40c39c3…`
2025-08-27 00:01 UTC · source 2025-08-26	excluded package	package	72319-168-04	D	Discontinued by firm	`f5e01cc5f278…`	`a2eaf40c39c3…`
2025-04-01 02:39 UTC · source 2025-03-31	excluded product	product		D	Discontinued by firm	`2ef7874e63bc…`	`57b86245f4fa…`
2025-04-01 02:39 UTC · source 2025-03-31	excluded package	package	72319-168-05	D	Discontinued by firm	`2ef7874e63bc…`	`57b86245f4fa…`
2025-04-01 02:39 UTC · source 2025-03-31	excluded package	package	72319-168-04	D	Discontinued by firm	`2ef7874e63bc…`	`57b86245f4fa…`
2025-03-28 20:22 UTC · source 2025-03-28	excluded product	product		D	Discontinued by firm	`a1b67e2a42f9…`	`c4cf2c586c0d…`
2025-03-28 20:22 UTC · source 2025-03-28	excluded package	package	72319-168-05	D	Discontinued by firm	`a1b67e2a42f9…`	`c4cf2c586c0d…`
2025-03-28 20:22 UTC · source 2025-03-28	excluded package	package	72319-168-04	D	Discontinued by firm	`a1b67e2a42f9…`	`c4cf2c586c0d…`
2025-03-22 03:12 UTC · source 2025-03-21	excluded product	product		D	Discontinued by firm	`cfe11265f3b6…`	`090c488252e2…`
2025-03-22 03:12 UTC · source 2025-03-21	excluded package	package	72319-168-05	D	Discontinued by firm	`cfe11265f3b6…`	`090c488252e2…`
2025-03-22 03:12 UTC · source 2025-03-21	excluded package	package	72319-168-04	D	Discontinued by firm	`cfe11265f3b6…`	`090c488252e2…`
2025-03-10 12:48 UTC · source 2025-03-10	excluded product	product		D	Discontinued by firm	`cdf11ea48f46…`	`ba0047e9e063…`
2025-03-10 12:48 UTC · source 2025-03-10	excluded package	package	72319-168-05	D	Discontinued by firm	`cdf11ea48f46…`	`ba0047e9e063…`
2025-03-10 12:48 UTC · source 2025-03-10	excluded package	package	72319-168-04	D	Discontinued by firm	`cdf11ea48f46…`	`ba0047e9e063…`
2025-02-02 03:52 UTC · source 2025-01-31	excluded product	product		D	Discontinued by firm	`302b2466d912…`	`e7b80fea0513…`
2025-02-02 03:52 UTC · source 2025-01-31	excluded package	package	72319-168-05	D	Discontinued by firm	`302b2466d912…`	`e7b80fea0513…`
2025-02-02 03:52 UTC · source 2025-01-31	excluded package	package	72319-168-04	D	Discontinued by firm	`302b2466d912…`	`e7b80fea0513…`
2025-01-20 13:05 UTC · source 2025-01-20	excluded product	product		D	Discontinued by firm	`ed331223b511…`	`672a5bd82f5f…`
2025-01-20 13:05 UTC · source 2025-01-20	excluded package	package	72319-168-05	D	Discontinued by firm	`ed331223b511…`	`672a5bd82f5f…`
2025-01-20 13:05 UTC · source 2025-01-20	excluded package	package	72319-168-04	D	Discontinued by firm	`ed331223b511…`	`672a5bd82f5f…`
2025-01-11 03:41 UTC · source 2025-01-10	excluded product	product		U	Excluded because listing certification expired	`0efc9e666f02…`	`f202fb6c5f17…`
2025-01-11 03:41 UTC · source 2025-01-10	excluded package	package	72319-168-05	U	Excluded because listing certification expired	`0efc9e666f02…`	`f202fb6c5f17…`
2025-01-11 03:41 UTC · source 2025-01-10	excluded package	package	72319-168-04	U	Excluded because listing certification expired	`0efc9e666f02…`	`f202fb6c5f17…`

Source provenance: Browse the complete Orange Book source catalog · source snapshot 1.

Orange Book products#

Current product rows page 1 of 1 · 2 matching rows.

Application-product, Trade name, Ingredient table
Application-product	Trade name	Ingredient	Strength	Dosage form / route	TE codes	RLD / RS	Approval date
A212053-001	CHLORZOXAZONE	CHLORZOXAZONE	375MG	TABLET / ORAL			2020-09-14
A212053-002	CHLORZOXAZONE	CHLORZOXAZONE	750MG	TABLET / ORAL			2020-09-14

Observed Orange Book product history#

Observed FDA ZIP history: Each table is queried independently by exact application/product key from successfully parsed Orange Book snapshots. Capture times identify archived source observations; absence or a change between snapshots is not inferred. FDA publication files that were not recoverable as structured ZIP data are not represented as states.

Product history page 1 of 2 · 74 observed states.

Captured, Edition, Application-product table
Captured	Edition	Application-product	Trade name	Strength	Dosage form / route	Product TE source text	Approval date	Source SHA-256
2026-02-19 14:30 UTC	2026-02	A212053-001	CHLORZOXAZONE	375MG	TABLET / ORAL		2020-09-14	`011fe1cb6892…`
2026-02-19 14:30 UTC	2026-02	A212053-002	CHLORZOXAZONE	750MG	TABLET / ORAL		2020-09-14	`011fe1cb6892…`
2025-12-14 10:44 UTC · 2 captures of this ZIP	2025-12	A212053-001	CHLORZOXAZONE	375MG	TABLET / ORAL		2020-09-14	`31067a03dcf5…`
2025-12-14 10:44 UTC · 2 captures of this ZIP	2025-12	A212053-002	CHLORZOXAZONE	750MG	TABLET / ORAL		2020-09-14	`31067a03dcf5…`
2025-08-23 18:47 UTC	2025-08	A212053-001	CHLORZOXAZONE	375MG	TABLET / ORAL		2020-09-14	`6a471c1ec25d…`
2025-08-23 18:47 UTC	2025-08	A212053-002	CHLORZOXAZONE	750MG	TABLET / ORAL		2020-09-14	`6a471c1ec25d…`
2025-03-22 03:13 UTC · 3 captures of this ZIP	2025-03	A212053-001	CHLORZOXAZONE	375MG	TABLET / ORAL		2020-09-14	`fd3edfee7708…`
2025-03-22 03:13 UTC · 3 captures of this ZIP	2025-03	A212053-002	CHLORZOXAZONE	750MG	TABLET / ORAL		2020-09-14	`fd3edfee7708…`
2025-02-26 10:13 UTC · 3 captures of this ZIP	2025-02	A212053-001	CHLORZOXAZONE	375MG	TABLET / ORAL		2020-09-14	`b8a1b40f171c…`
2025-02-26 10:13 UTC · 3 captures of this ZIP	2025-02	A212053-002	CHLORZOXAZONE	750MG	TABLET / ORAL		2020-09-14	`b8a1b40f171c…`
2025-01-19 17:59 UTC · 7 captures of this ZIP	2025-01	A212053-001	CHLORZOXAZONE	375MG	TABLET / ORAL		2020-09-14	`03ed91905a0d…`
2025-01-19 17:59 UTC · 7 captures of this ZIP	2025-01	A212053-002	CHLORZOXAZONE	750MG	TABLET / ORAL		2020-09-14	`03ed91905a0d…`
2024-12-13 21:23 UTC · 2 captures of this ZIP	2024-12	A212053-001	CHLORZOXAZONE	375MG	TABLET / ORAL		2020-09-14	`2680178bc6a6…`
2024-12-13 21:23 UTC · 2 captures of this ZIP	2024-12	A212053-002	CHLORZOXAZONE	750MG	TABLET / ORAL		2020-09-14	`2680178bc6a6…`
2024-09-14 05:58 UTC · 2 captures of this ZIP	2024-09	A212053-001	CHLORZOXAZONE	375MG	TABLET / ORAL		2020-09-14	`5bbf6a4d5a75…`
2024-09-14 05:58 UTC · 2 captures of this ZIP	2024-09	A212053-002	CHLORZOXAZONE	750MG	TABLET / ORAL		2020-09-14	`5bbf6a4d5a75…`
2024-11-08 22:44 UTC · 3 captures of this ZIP	2024-11	A212053-001	CHLORZOXAZONE	375MG	TABLET / ORAL		2020-09-14	`d8e5a09893c0…`
2024-11-08 22:44 UTC · 3 captures of this ZIP	2024-11	A212053-002	CHLORZOXAZONE	750MG	TABLET / ORAL		2020-09-14	`d8e5a09893c0…`
2024-10-29 15:01 UTC	2024-10	A212053-001	CHLORZOXAZONE	375MG	TABLET / ORAL		2020-09-14	`d06236e962d9…`
2024-10-29 15:01 UTC	2024-10	A212053-002	CHLORZOXAZONE	750MG	TABLET / ORAL		2020-09-14	`d06236e962d9…`
2024-08-13 05:28 UTC · 3 captures of this ZIP	2024-08	A212053-001	CHLORZOXAZONE	375MG	TABLET / ORAL		2020-09-14	`79d66fd596c7…`
2024-08-13 05:28 UTC · 3 captures of this ZIP	2024-08	A212053-002	CHLORZOXAZONE	750MG	TABLET / ORAL		2020-09-14	`79d66fd596c7…`
2024-07-13 05:37 UTC · 2 captures of this ZIP	2024-07	A212053-001	CHLORZOXAZONE	375MG	TABLET / ORAL		2020-09-14	`301d65b070ca…`
2024-07-13 05:37 UTC · 2 captures of this ZIP	2024-07	A212053-002	CHLORZOXAZONE	750MG	TABLET / ORAL		2020-09-14	`301d65b070ca…`
2024-06-18 03:08 UTC · 5 captures of this ZIP	2024-06	A212053-001	CHLORZOXAZONE	375MG	TABLET / ORAL		2020-09-14	`1e350fbaab3a…`
2024-06-18 03:08 UTC · 5 captures of this ZIP	2024-06	A212053-002	CHLORZOXAZONE	750MG	TABLET / ORAL		2020-09-14	`1e350fbaab3a…`
2024-05-31 18:47 UTC	2024-05	A212053-001	CHLORZOXAZONE	375MG	TABLET / ORAL		2020-09-14	`8072bd15b7f6…`
2024-05-31 18:47 UTC	2024-05	A212053-002	CHLORZOXAZONE	750MG	TABLET / ORAL		2020-09-14	`8072bd15b7f6…`
2022-06-29 02:47 UTC · 2 captures of this ZIP	2022-06	A212053-001	CHLORZOXAZONE	375MG	TABLET / ORAL	AB	2020-09-14	`5c6f7cd8ea54…`
2022-06-29 02:47 UTC · 2 captures of this ZIP	2022-06	A212053-002	CHLORZOXAZONE	750MG	TABLET / ORAL	AB	2020-09-14	`5c6f7cd8ea54…`
2022-04-08 23:34 UTC	2022-04	A212053-001	CHLORZOXAZONE	375MG	TABLET / ORAL	AB	2020-09-14	`5d02ea3f76ae…`
2022-04-08 23:34 UTC	2022-04	A212053-002	CHLORZOXAZONE	750MG	TABLET / ORAL	AB	2020-09-14	`5d02ea3f76ae…`
2022-04-04 05:41 UTC	2022-04	A212053-001	CHLORZOXAZONE	375MG	TABLET / ORAL	AB	2020-09-14	`4b0b4de00fa7…`
2022-04-04 05:41 UTC	2022-04	A212053-002	CHLORZOXAZONE	750MG	TABLET / ORAL	AB	2020-09-14	`4b0b4de00fa7…`
2022-03-09 01:35 UTC	2022-03	A212053-001	CHLORZOXAZONE	375MG	TABLET / ORAL	AB	2020-09-14	`bb7c543d1eb4…`
2022-03-09 01:35 UTC	2022-03	A212053-002	CHLORZOXAZONE	750MG	TABLET / ORAL	AB	2020-09-14	`bb7c543d1eb4…`
2021-12-28 21:50 UTC	2021-12	A212053-001	CHLORZOXAZONE	375MG	TABLET / ORAL	AB	2020-09-14	`782e0a99824c…`
2021-12-28 21:50 UTC	2021-12	A212053-002	CHLORZOXAZONE	750MG	TABLET / ORAL	AB	2020-09-14	`782e0a99824c…`
2021-05-05 16:15 UTC · 3 captures of this ZIP	2021-05	A212053-001	CHLORZOXAZONE	375MG	TABLET / ORAL	AB	2020-09-14	`87673890dc5c…`
2021-05-05 16:15 UTC · 3 captures of this ZIP	2021-05	A212053-002	CHLORZOXAZONE	750MG	TABLET / ORAL	AB	2020-09-14	`87673890dc5c…`

Observed Orange Book normalized TE history#

Normalized TE history page 1 of 2 · 44 observed states.

Captured, Edition, Application-product table
Captured	Edition	Application-product	TE code	Order	Source SHA-256
2022-06-29 02:47 UTC · 2 captures of this ZIP	2022-06	A212053-001	AB	1	`5c6f7cd8ea54…`
2022-06-29 02:47 UTC · 2 captures of this ZIP	2022-06	A212053-002	AB	1	`5c6f7cd8ea54…`
2022-04-08 23:34 UTC	2022-04	A212053-001	AB	1	`5d02ea3f76ae…`
2022-04-08 23:34 UTC	2022-04	A212053-002	AB	1	`5d02ea3f76ae…`
2022-04-04 05:41 UTC	2022-04	A212053-001	AB	1	`4b0b4de00fa7…`
2022-04-04 05:41 UTC	2022-04	A212053-002	AB	1	`4b0b4de00fa7…`
2022-03-09 01:35 UTC	2022-03	A212053-001	AB	1	`bb7c543d1eb4…`
2022-03-09 01:35 UTC	2022-03	A212053-002	AB	1	`bb7c543d1eb4…`
2021-12-28 21:50 UTC	2021-12	A212053-001	AB	1	`782e0a99824c…`
2021-12-28 21:50 UTC	2021-12	A212053-002	AB	1	`782e0a99824c…`
2021-05-05 16:15 UTC · 3 captures of this ZIP	2021-05	A212053-001	AB	1	`87673890dc5c…`
2021-05-05 16:15 UTC · 3 captures of this ZIP	2021-05	A212053-002	AB	1	`87673890dc5c…`
2021-03-12 10:30 UTC	2021-03	A212053-001	AB	1	`5aa47cf7b7d7…`
2021-03-12 10:30 UTC	2021-03	A212053-002	AB	1	`5aa47cf7b7d7…`
2020-12-22 03:56 UTC	2020-12	A212053-001	AB	1	`8869cabd3fbd…`
2020-12-22 03:56 UTC	2020-12	A212053-002	AB	1	`8869cabd3fbd…`
2020-11-12 02:37 UTC	2020-11	A212053-001	AB	1	`c0c555d07b60…`
2020-11-12 02:37 UTC	2020-11	A212053-002	AB	1	`c0c555d07b60…`
2024-03-16 18:09 UTC · 4 captures of this ZIP	2024-03	A212053-001	AB	1	`6a51e52b5d6a…`
2024-03-16 18:09 UTC · 4 captures of this ZIP	2024-03	A212053-002	AB	1	`6a51e52b5d6a…`
2024-02-18 07:12 UTC	2024-02	A212053-001	AB	1	`1c564ffb4f44…`
2024-02-18 07:12 UTC	2024-02	A212053-002	AB	1	`1c564ffb4f44…`
2023-12-20 04:57 UTC	2023-12	A212053-001	AB	1	`ea1830bbd6c7…`
2023-12-20 04:57 UTC	2023-12	A212053-002	AB	1	`ea1830bbd6c7…`
2023-11-28 05:40 UTC · 2 captures of this ZIP	2023-11	A212053-001	AB	1	`a72a2bbeb626…`
2023-11-28 05:40 UTC · 2 captures of this ZIP	2023-11	A212053-002	AB	1	`a72a2bbeb626…`
2023-10-25 00:34 UTC · 2 captures of this ZIP	2023-10	A212053-001	AB	1	`9b2671bbb829…`
2023-10-25 00:34 UTC · 2 captures of this ZIP	2023-10	A212053-002	AB	1	`9b2671bbb829…`
2023-07-15 15:27 UTC · 2 captures of this ZIP	2023-07	A212053-001	AB	1	`a67488948f0b…`
2023-07-15 15:27 UTC · 2 captures of this ZIP	2023-07	A212053-002	AB	1	`a67488948f0b…`
2023-06-13 01:57 UTC · 3 captures of this ZIP	2023-06	A212053-001	AB	1	`3f0d92c62455…`
2023-06-13 01:57 UTC · 3 captures of this ZIP	2023-06	A212053-002	AB	1	`3f0d92c62455…`
2023-05-13 08:27 UTC	2023-05	A212053-001	AB	1	`053a50430f4f…`
2023-05-13 08:27 UTC	2023-05	A212053-002	AB	1	`053a50430f4f…`
2023-01-26 05:58 UTC	2023-01	A212053-001	AB	1	`3bdfa0b2c4d7…`
2023-01-26 05:58 UTC	2023-01	A212053-002	AB	1	`3bdfa0b2c4d7…`
2022-11-12 20:34 UTC · 5 captures of this ZIP	2022-11	A212053-001	AB	1	`3a93d1ddd44b…`
2022-11-12 20:34 UTC · 5 captures of this ZIP	2022-11	A212053-002	AB	1	`3a93d1ddd44b…`
2022-10-28 04:53 UTC	2022-10	A212053-001	AB	1	`f41ea6bd6efb…`
2022-10-28 04:53 UTC	2022-10	A212053-002	AB	1	`f41ea6bd6efb…`

UNII, Preferred term, Registry number table
UNII	Preferred term	Registry number	Matched term
H0DE420U8G	CHLORZOXAZONE	95-25-0	CHLORZOXAZONE

Packages#

Package NDC, 11-digit format, Description table
Package NDC	11-digit format	Description	Units	Marketing start	Marketing end	Sample	Exclude flag	Status
72319-168-04	72319016804	100 TABLET in 1 BOTTLE, PLASTIC (72319-168-04)	100 tablet	2020-09-16	0000-00-00	No	No	Current
72319-168-05	72319016805	500 TABLET in 1 BOTTLE, PLASTIC (72319-168-05)	500 tablet	2020-09-16	0000-00-00	No	No	Current