Metaxalone

Product NDC: 85509-2341
11-digit product format: 855092341
Labeler code: 85509
Product ID: 85509-2341_41ae7309-4967-b721-e063-6294a90abf2c
Type: HUMAN PRESCRIPTION DRUG
Nonproprietary name: Metaxalone
Dosage form: TABLET
Route: ORAL
Labeler: PHOENIX RX LLC
Application: ANDA203695
Marketing category: ANDA
Marketing start: 2017-06-19
Substance: METAXALONE
Active strength: 800 mg/1
Pharmacologic classes: Centrally-mediated Muscle Relaxation [PE], Muscle Relaxant [EPC]
NDC exclude flag: No
Listing certified through: 2026-12-31
Current FDA listing: Yes

Source provenance: Browse the complete Orange Book source catalog · source snapshot 42.

Orange Book products#

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

Application-product, Trade name, Ingredient table
Application-product	Trade name	Ingredient	Strength	Dosage form / route	TE codes	RLD / RS	Approval date
A203695-001	METAXALONE	METAXALONE	800MG	TABLET / ORAL	AB		2017-06-15

Therapeutic equivalence codes#

Current TE-code rows page 1 of 1 · 1 matching rows.

Application-product, TE code table
Application-product	TE code
A203695-001	AB

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 · 42 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
2026-08-18 06:07:40	2026-07	A203695-001	METAXALONE	800MG	TABLET / ORAL	AB	2017-06-15	`caaa826d4ba7…`
2026-02-19 14:30 UTC	2026-02	A203695-001	METAXALONE	800MG	TABLET / ORAL	AB	2017-06-15	`011fe1cb6892…`
2025-12-14 10:44 UTC · 2 captures of this ZIP	2025-12	A203695-001	METAXALONE	800MG	TABLET / ORAL	AB	2017-06-15	`31067a03dcf5…`
2025-08-23 18:47 UTC	2025-08	A203695-001	METAXALONE	800MG	TABLET / ORAL	AB	2017-06-15	`6a471c1ec25d…`
2025-03-22 03:13 UTC · 3 captures of this ZIP	2025-03	A203695-001	METAXALONE	800MG	TABLET / ORAL	AB	2017-06-15	`fd3edfee7708…`
2025-02-26 10:13 UTC · 3 captures of this ZIP	2025-02	A203695-001	METAXALONE	800MG	TABLET / ORAL	AB	2017-06-15	`b8a1b40f171c…`
2025-01-19 17:59 UTC · 7 captures of this ZIP	2025-01	A203695-001	METAXALONE	800MG	TABLET / ORAL	AB	2017-06-15	`03ed91905a0d…`
2024-12-13 21:23 UTC · 2 captures of this ZIP	2024-12	A203695-001	METAXALONE	800MG	TABLET / ORAL	AB	2017-06-15	`2680178bc6a6…`
2024-09-14 05:58 UTC · 2 captures of this ZIP	2024-09	A203695-001	METAXALONE	800MG	TABLET / ORAL	AB	2017-06-15	`5bbf6a4d5a75…`
2024-11-08 22:44 UTC · 3 captures of this ZIP	2024-11	A203695-001	METAXALONE	800MG	TABLET / ORAL	AB	2017-06-15	`d8e5a09893c0…`
2024-10-29 15:01 UTC	2024-10	A203695-001	METAXALONE	800MG	TABLET / ORAL	AB	2017-06-15	`d06236e962d9…`
2024-08-13 05:28 UTC · 3 captures of this ZIP	2024-08	A203695-001	METAXALONE	800MG	TABLET / ORAL	AB	2017-06-15	`79d66fd596c7…`
2024-07-13 05:37 UTC · 2 captures of this ZIP	2024-07	A203695-001	METAXALONE	800MG	TABLET / ORAL	AB	2017-06-15	`301d65b070ca…`
2024-06-18 03:08 UTC · 5 captures of this ZIP	2024-06	A203695-001	METAXALONE	800MG	TABLET / ORAL	AB	2017-06-15	`1e350fbaab3a…`
2024-05-31 18:47 UTC	2024-05	A203695-001	METAXALONE	800MG	TABLET / ORAL	AB	2017-06-15	`8072bd15b7f6…`
2022-06-29 02:47 UTC · 2 captures of this ZIP	2022-06	A203695-001	METAXALONE	800MG	TABLET / ORAL	AB	2017-06-15	`5c6f7cd8ea54…`
2022-04-08 23:34 UTC	2022-04	A203695-001	METAXALONE	800MG	TABLET / ORAL	AB	2017-06-15	`5d02ea3f76ae…`
2022-04-04 05:41 UTC	2022-04	A203695-001	METAXALONE	800MG	TABLET / ORAL	AB	2017-06-15	`4b0b4de00fa7…`
2019-12-13 00:20 UTC	2019-12	A203695-001	METAXALONE	800MG	TABLET / ORAL	AB	2017-06-15	`74a2ff9319b5…`
2022-03-09 01:35 UTC	2022-03	A203695-001	METAXALONE	800MG	TABLET / ORAL	AB	2017-06-15	`bb7c543d1eb4…`
2021-12-28 21:50 UTC	2021-12	A203695-001	METAXALONE	800MG	TABLET / ORAL	AB	2017-06-15	`782e0a99824c…`
2021-05-05 16:15 UTC · 3 captures of this ZIP	2021-05	A203695-001	METAXALONE	800MG	TABLET / ORAL	AB	2017-06-15	`87673890dc5c…`
2021-03-12 10:30 UTC	2021-03	A203695-001	METAXALONE	800MG	TABLET / ORAL	AB	2017-06-15	`5aa47cf7b7d7…`
2020-12-22 03:56 UTC	2020-12	A203695-001	METAXALONE	800MG	TABLET / ORAL	AB	2017-06-15	`8869cabd3fbd…`
2020-11-12 02:37 UTC	2020-11	A203695-001	METAXALONE	800MG	TABLET / ORAL	AB	2017-06-15	`c0c555d07b60…`
2019-12-14 00:12 UTC	2019-12	A203695-001	METAXALONE	800MG	TABLET / ORAL	AB	2017-06-15	`3f01610625f2…`
2019-09-15 20:21 UTC	2019-09	A203695-001	METAXALONE	800MG	TABLET / ORAL	AB	2017-06-15	`b00525d2431f…`
2019-07-19 19:46 UTC	2019-07	A203695-001	METAXALONE	800MG	TABLET / ORAL	AB	2017-06-15	`ea99ee380514…`
2024-03-16 18:09 UTC · 4 captures of this ZIP	2024-03	A203695-001	METAXALONE	800MG	TABLET / ORAL	AB	2017-06-15	`6a51e52b5d6a…`
2024-02-18 07:12 UTC	2024-02	A203695-001	METAXALONE	800MG	TABLET / ORAL	AB	2017-06-15	`1c564ffb4f44…`
2023-12-20 04:57 UTC	2023-12	A203695-001	METAXALONE	800MG	TABLET / ORAL	AB	2017-06-15	`ea1830bbd6c7…`
2023-11-28 05:40 UTC · 2 captures of this ZIP	2023-11	A203695-001	METAXALONE	800MG	TABLET / ORAL	AB	2017-06-15	`a72a2bbeb626…`
2023-10-25 00:34 UTC · 2 captures of this ZIP	2023-10	A203695-001	METAXALONE	800MG	TABLET / ORAL	AB	2017-06-15	`9b2671bbb829…`
2023-07-15 15:27 UTC · 2 captures of this ZIP	2023-07	A203695-001	METAXALONE	800MG	TABLET / ORAL	AB	2017-06-15	`a67488948f0b…`
2023-06-13 01:57 UTC · 3 captures of this ZIP	2023-06	A203695-001	METAXALONE	800MG	TABLET / ORAL	AB	2017-06-15	`3f0d92c62455…`
2023-05-13 08:27 UTC	2023-05	A203695-001	METAXALONE	800MG	TABLET / ORAL	AB	2017-06-15	`053a50430f4f…`
2023-01-26 05:58 UTC	2023-01	A203695-001	METAXALONE	800MG	TABLET / ORAL	AB	2017-06-15	`3bdfa0b2c4d7…`
2022-11-12 20:34 UTC · 5 captures of this ZIP	2022-11	A203695-001	METAXALONE	800MG	TABLET / ORAL	AB	2017-06-15	`3a93d1ddd44b…`
2022-10-28 04:53 UTC	2022-10	A203695-001	METAXALONE	800MG	TABLET / ORAL	AB	2017-06-15	`f41ea6bd6efb…`
2022-09-29 23:25 UTC	2022-09	A203695-001	METAXALONE	800MG	TABLET / ORAL	AB	2017-06-15	`e64feba35796…`

Observed Orange Book normalized TE history#

Normalized TE history page 1 of 2 · 42 observed states.

Captured, Edition, Application-product table
Captured	Edition	Application-product	TE code	Order	Source SHA-256
2026-08-18 06:07:40	2026-07	A203695-001	AB	1	`caaa826d4ba7…`
2026-02-19 14:30 UTC	2026-02	A203695-001	AB	1	`011fe1cb6892…`
2025-12-14 10:44 UTC · 2 captures of this ZIP	2025-12	A203695-001	AB	1	`31067a03dcf5…`
2025-08-23 18:47 UTC	2025-08	A203695-001	AB	1	`6a471c1ec25d…`
2025-03-22 03:13 UTC · 3 captures of this ZIP	2025-03	A203695-001	AB	1	`fd3edfee7708…`
2025-02-26 10:13 UTC · 3 captures of this ZIP	2025-02	A203695-001	AB	1	`b8a1b40f171c…`
2025-01-19 17:59 UTC · 7 captures of this ZIP	2025-01	A203695-001	AB	1	`03ed91905a0d…`
2024-12-13 21:23 UTC · 2 captures of this ZIP	2024-12	A203695-001	AB	1	`2680178bc6a6…`
2024-09-14 05:58 UTC · 2 captures of this ZIP	2024-09	A203695-001	AB	1	`5bbf6a4d5a75…`
2024-11-08 22:44 UTC · 3 captures of this ZIP	2024-11	A203695-001	AB	1	`d8e5a09893c0…`
2024-10-29 15:01 UTC	2024-10	A203695-001	AB	1	`d06236e962d9…`
2024-08-13 05:28 UTC · 3 captures of this ZIP	2024-08	A203695-001	AB	1	`79d66fd596c7…`
2024-07-13 05:37 UTC · 2 captures of this ZIP	2024-07	A203695-001	AB	1	`301d65b070ca…`
2024-06-18 03:08 UTC · 5 captures of this ZIP	2024-06	A203695-001	AB	1	`1e350fbaab3a…`
2024-05-31 18:47 UTC	2024-05	A203695-001	AB	1	`8072bd15b7f6…`
2022-06-29 02:47 UTC · 2 captures of this ZIP	2022-06	A203695-001	AB	1	`5c6f7cd8ea54…`
2022-04-08 23:34 UTC	2022-04	A203695-001	AB	1	`5d02ea3f76ae…`
2022-04-04 05:41 UTC	2022-04	A203695-001	AB	1	`4b0b4de00fa7…`
2019-12-13 00:20 UTC	2019-12	A203695-001	AB	1	`74a2ff9319b5…`
2022-03-09 01:35 UTC	2022-03	A203695-001	AB	1	`bb7c543d1eb4…`
2021-12-28 21:50 UTC	2021-12	A203695-001	AB	1	`782e0a99824c…`
2021-05-05 16:15 UTC · 3 captures of this ZIP	2021-05	A203695-001	AB	1	`87673890dc5c…`
2021-03-12 10:30 UTC	2021-03	A203695-001	AB	1	`5aa47cf7b7d7…`
2020-12-22 03:56 UTC	2020-12	A203695-001	AB	1	`8869cabd3fbd…`
2020-11-12 02:37 UTC	2020-11	A203695-001	AB	1	`c0c555d07b60…`
2019-12-14 00:12 UTC	2019-12	A203695-001	AB	1	`3f01610625f2…`
2019-09-15 20:21 UTC	2019-09	A203695-001	AB	1	`b00525d2431f…`
2019-07-19 19:46 UTC	2019-07	A203695-001	AB	1	`ea99ee380514…`
2024-03-16 18:09 UTC · 4 captures of this ZIP	2024-03	A203695-001	AB	1	`6a51e52b5d6a…`
2024-02-18 07:12 UTC	2024-02	A203695-001	AB	1	`1c564ffb4f44…`
2023-12-20 04:57 UTC	2023-12	A203695-001	AB	1	`ea1830bbd6c7…`
2023-11-28 05:40 UTC · 2 captures of this ZIP	2023-11	A203695-001	AB	1	`a72a2bbeb626…`
2023-10-25 00:34 UTC · 2 captures of this ZIP	2023-10	A203695-001	AB	1	`9b2671bbb829…`
2023-07-15 15:27 UTC · 2 captures of this ZIP	2023-07	A203695-001	AB	1	`a67488948f0b…`
2023-06-13 01:57 UTC · 3 captures of this ZIP	2023-06	A203695-001	AB	1	`3f0d92c62455…`
2023-05-13 08:27 UTC	2023-05	A203695-001	AB	1	`053a50430f4f…`
2023-01-26 05:58 UTC	2023-01	A203695-001	AB	1	`3bdfa0b2c4d7…`
2022-11-12 20:34 UTC · 5 captures of this ZIP	2022-11	A203695-001	AB	1	`3a93d1ddd44b…`
2022-10-28 04:53 UTC	2022-10	A203695-001	AB	1	`f41ea6bd6efb…`
2022-09-29 23:25 UTC	2022-09	A203695-001	AB	1	`e64feba35796…`

Additional Listing Data#

Finished product: Yes
Brand name base: Metaxalone
Listing expiration: 2026-12-31

Active Ingredients#

Ingredient, Strength table
Ingredient	Strength
METAXALONE	800 mg/1

Harmonized UNII identifiers#

UNII identifiers page 1 of 1 · 1 matching rows.

Identifier, FDA.report destination table
Identifier	FDA.report destination
1NMA9J598Y	Internal UNII lookup

Harmonized RxCUI identifiers#

RxCUI identifiers page 1 of 1 · 1 matching rows.

Identifier, FDA.report destination table
Identifier	FDA.report destination
351254	Internal RxNorm lookup

Harmonized SPL set identifiers#

SPL set identifiers page 1 of 1 · 1 matching rows.

Identifier, FDA.report destination table
Identifier	FDA.report destination
3a7c8b4d-7add-cb31-e063-6294a90a37f8	Available on FDA.report

DailyMed Product Concepts#

Product concept, Relation, Version table
Product concept	Relation	Version	Effective
4fe1c2a6-5488-f909-3872-734054eb745a	Product name	5	20181231
776ba7f6-e5b0-442b-bd42-1fdfdfd821a4	Product name	1	20150615
68c52498-c9cb-48ab-a792-a4876149361e	Product name	1	20150409

DailyMed Package Descriptions#

Package NDC, Product, Description table
Package NDC	Product	Description	Form	Quantity	SPL version
85509-2341-1	Metaxalone	100 in 1 BOTTLE	TABLET	100	2
85509-2341-2	Metaxalone	120 in 1 BOTTLE	TABLET	120	2
85509-2341-3	Metaxalone	30 in 1 BOTTLE	TABLET	30	2
85509-2341-6	Metaxalone	60 in 1 BOTTLE	TABLET	60	2
85509-2341-9	Metaxalone	90 in 1 BOTTLE	TABLET	90	2

DailyMed Billing Units#

Package NDC, Billing unit, Product NDC table
Package NDC	Billing unit	Product NDC	DailyMed indexing SPL	SPL version	Effective
85509-2341-1	EA - Each	85509-2341	8203ce30-10c1-4650-93a0-fc4cfd0ea8e9	1	2025-09-12
85509-2341-2	EA - Each	85509-2341	c2516acc-737f-4ec4-8224-3799d4459368	1	2025-12-16
85509-2341-3	EA - Each	85509-2341	5c0cf6ef-64d6-4632-8d85-b9801be97a57	1	2025-09-12
85509-2341-6	EA - Each	85509-2341	c22db59f-a6a2-497b-b1c3-234e4491c1c2	1	2025-09-12
85509-2341-9	EA - Each	85509-2341	ff1680f7-321b-4057-ade9-bf0e65b72f7c	1	2025-09-12

openFDA label cross-check#

OpenFDA label data provides additional search and identifier links. DailyMed’s Structured Product Label is the canonical label on FDA.report. Matching records are deduplicated before they are shown below.

Matched openFDA labels page 1 of 1 · 11 matching rows.

Brand, Generic, Manufacturer table
Brand	Generic	Manufacturer	SPL set ID	Effective date	Available safety fields	Join
Metaxalone	METAXALONE	St. Mary's Medical Park Pharmacy	5de36266-3964-5aca-e053-2991aa0a2205	2026-06-09	Warnings, Adverse reactions	Exact identifier application applno (ANDA): 203695 application number: ANDA203695
Metaxalone	METAXALONE	Asclemed USA, Inc.	f4a0e910-2b20-46d4-b49e-21fb15925b58	2026-04-17	Warnings, Adverse reactions	Exact identifier application applno (ANDA): 203695 application number: ANDA203695
Metaxalone	METAXALONE	Sportpharm LLC	5bcdc9d3-8827-4d05-8783-4519f1b284a3	2026-02-03	Warnings, Adverse reactions	Exact identifier application applno (ANDA): 203695 application number: ANDA203695
Metaxalone	METAXALONE	Direct_Rx	45726fbc-3450-63f7-e063-6394a90a671a	2026-01-14	Warnings, Adverse reactions	Exact identifier application applno (ANDA): 203695 application number: ANDA203695
Metaxalone	METAXALONE	PHOENIX RX LLC	3a7c8b4d-7add-cb31-e063-6294a90a37f8	2025-10-21	Warnings, Adverse reactions	Exact identifier application applno (ANDA): 203695 application number: ANDA203695 ndc (product): 85509-2341
Metaxalone	METAXALONE	Actavis Pharma, Inc.	b3a4f6bc-abd4-4b8e-970f-59b3aa6f17a0	2025-07-30	Warnings, Adverse reactions	Exact identifier application applno (ANDA): 203695 application number: ANDA203695
Metaxalone	METAXALONE	Advanced Rx Pharmacy of Tennessee, LLC	bd1c9022-aadc-af1f-e053-2995a90a0b42	2024-12-31	Warnings, Adverse reactions	Exact identifier application applno (ANDA): 203695 application number: ANDA203695
Metaxalone	METAXALONE	Bryant Ranch Prepack	c2dd7071-cba3-410c-ade5-9d7e5af42038	2024-09-16	Warnings, Adverse reactions	Exact identifier application applno (ANDA): 203695 application number: ANDA203695
Metaxalone	METAXALONE	Bryant Ranch Prepack	07ccff59-e335-40be-9e40-fd2d08197617	2024-07-24	Warnings, Adverse reactions	Exact identifier application applno (ANDA): 203695 application number: ANDA203695
Metaxalone	METAXALONE	Proficient Rx LP	c796d4a1-fad4-4a0c-a459-8ae3b5b52fb6	2024-01-01	Warnings, Adverse reactions	Exact identifier application applno (ANDA): 203695 application number: ANDA203695
Metaxalone	METAXALONE	Doc Rx	87518046-c959-d5f3-e053-2a95a90a5f7e	2021-09-28	Warnings, Adverse reactions	Exact identifier application applno (ANDA): 203695 application number: ANDA203695

UNII, Preferred term, Registry number table
UNII	Preferred term	Registry number	Matched term
1NMA9J598Y	METAXALONE	1665-48-1	METAXALONE

DailyMed RxNorm Mappings#

RxCUI, RxNorm string, TTY table
RxCUI	RxNorm string	TTY	DailyMed	SPL version
351254	metaxalone 800 MG Oral Tablet	PSN	3a7c8b4d-7add-cb31-e063-6294a90a37f8	2
351254	metaxalone 800 MG Oral Tablet	SCD	3a7c8b4d-7add-cb31-e063-6294a90a37f8	2

Packages#

Package NDC, 11-digit format, Description table
Package NDC	11-digit format	Description	Units	Marketing start	Sample	Exclude flag	Status
85509-2341-1	85509234101	100 TABLET in 1 BOTTLE (85509-2341-1)	100 tablet	2025-07-31	No	No	Current
85509-2341-2	85509234102	120 TABLET in 1 BOTTLE (85509-2341-2)	120 tablet	2025-07-31	No	No	Current
85509-2341-3	85509234103	30 TABLET in 1 BOTTLE (85509-2341-3)	30 tablet	2025-07-31	No	No	Current
85509-2341-6	85509234106	60 TABLET in 1 BOTTLE (85509-2341-6)	60 tablet	2025-07-31	No	No	Current
85509-2341-9	85509234109	90 TABLET in 1 BOTTLE (85509-2341-9)	90 tablet	2025-07-31	No	No	Current