Home NDC 63629-1586 Chlorzoxazone
Product NDC 63629-1586
11-digit product format 636291586
Labeler code 63629
Product ID 63629-1586_8f1a738f-23de-466c-83ee-f6f2ddd62799
Type HUMAN PRESCRIPTION DRUG
Nonproprietary name Chlorzoxazone
Dosage form TABLET
Route ORAL
Labeler Bryant Ranch Prepack
Application ANDA089859
Marketing category ANDA
Marketing start 2011-08-22
Substance CHLORZOXAZONE
Active strength 500 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 A089859-001 CHLORZOXAZONE CHLORZOXAZONE 500MG TABLET / ORAL AA RS 1988-05-04
Therapeutic equivalence codes# Current TE-code rows page 1 of 1 · 1 matching rows.
Application-product, TE code table Application-product TE code A089859-001 AA
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 RLD / RS Approval date Source SHA-256 2026-08-18 06:07:40 2026-07 A089859-001 CHLORZOXAZONE 500MG TABLET / ORAL AA RS 1988-05-04 caaa826d4ba7…2026-02-19 14:30 UTC 2026-02 A089859-001 CHLORZOXAZONE 500MG TABLET / ORAL AA RS 1988-05-04 011fe1cb6892…2025-12-14 10:44 UTC · 2 captures of this ZIP 2025-12 A089859-001 CHLORZOXAZONE 500MG TABLET / ORAL AA RS 1988-05-04 31067a03dcf5…2025-08-23 18:47 UTC 2025-08 A089859-001 CHLORZOXAZONE 500MG TABLET / ORAL AA RS 1988-05-04 6a471c1ec25d…2025-03-22 03:13 UTC · 3 captures of this ZIP 2025-03 A089859-001 CHLORZOXAZONE 500MG TABLET / ORAL AA RS 1988-05-04 fd3edfee7708…2025-02-26 10:13 UTC · 3 captures of this ZIP 2025-02 A089859-001 CHLORZOXAZONE 500MG TABLET / ORAL AA RS 1988-05-04 b8a1b40f171c…2025-01-19 17:59 UTC · 7 captures of this ZIP 2025-01 A089859-001 CHLORZOXAZONE 500MG TABLET / ORAL AA RS 1988-05-04 03ed91905a0d…2024-12-13 21:23 UTC · 2 captures of this ZIP 2024-12 A089859-001 CHLORZOXAZONE 500MG TABLET / ORAL AA RS 1988-05-04 2680178bc6a6…2024-09-14 05:58 UTC · 2 captures of this ZIP 2024-09 A089859-001 CHLORZOXAZONE 500MG TABLET / ORAL AA RS 1988-05-04 5bbf6a4d5a75…2024-11-08 22:44 UTC · 3 captures of this ZIP 2024-11 A089859-001 CHLORZOXAZONE 500MG TABLET / ORAL AA RS 1988-05-04 d8e5a09893c0…2024-10-29 15:01 UTC 2024-10 A089859-001 CHLORZOXAZONE 500MG TABLET / ORAL AA RS 1988-05-04 d06236e962d9…2024-08-13 05:28 UTC · 3 captures of this ZIP 2024-08 A089859-001 CHLORZOXAZONE 500MG TABLET / ORAL AA RS 1988-05-04 79d66fd596c7…2024-07-13 05:37 UTC · 2 captures of this ZIP 2024-07 A089859-001 CHLORZOXAZONE 500MG TABLET / ORAL AA RS 1988-05-04 301d65b070ca…2024-06-18 03:08 UTC · 5 captures of this ZIP 2024-06 A089859-001 CHLORZOXAZONE 500MG TABLET / ORAL AA RS 1988-05-04 1e350fbaab3a…2024-05-31 18:47 UTC 2024-05 A089859-001 CHLORZOXAZONE 500MG TABLET / ORAL AA RS 1988-05-04 8072bd15b7f6…2022-06-29 02:47 UTC · 2 captures of this ZIP 2022-06 A089859-001 CHLORZOXAZONE 500MG TABLET / ORAL AA RS 1988-05-04 5c6f7cd8ea54…2022-04-08 23:34 UTC 2022-04 A089859-001 CHLORZOXAZONE 500MG TABLET / ORAL AA RS 1988-05-04 5d02ea3f76ae…2022-04-04 05:41 UTC 2022-04 A089859-001 CHLORZOXAZONE 500MG TABLET / ORAL AA RS 1988-05-04 4b0b4de00fa7…2019-12-13 00:20 UTC 2019-12 A089859-001 CHLORZOXAZONE 500MG TABLET / ORAL AA RS 1988-05-04 74a2ff9319b5…2022-03-09 01:35 UTC 2022-03 A089859-001 CHLORZOXAZONE 500MG TABLET / ORAL AA RS 1988-05-04 bb7c543d1eb4…2021-12-28 21:50 UTC 2021-12 A089859-001 CHLORZOXAZONE 500MG TABLET / ORAL AA RS 1988-05-04 782e0a99824c…2021-05-05 16:15 UTC · 3 captures of this ZIP 2021-05 A089859-001 CHLORZOXAZONE 500MG TABLET / ORAL AA RS 1988-05-04 87673890dc5c…2021-03-12 10:30 UTC 2021-03 A089859-001 CHLORZOXAZONE 500MG TABLET / ORAL AA RS 1988-05-04 5aa47cf7b7d7…2020-12-22 03:56 UTC 2020-12 A089859-001 CHLORZOXAZONE 500MG TABLET / ORAL AA RS 1988-05-04 8869cabd3fbd…2020-11-12 02:37 UTC 2020-11 A089859-001 CHLORZOXAZONE 500MG TABLET / ORAL AA RS 1988-05-04 c0c555d07b60…2019-12-14 00:12 UTC 2019-12 A089859-001 CHLORZOXAZONE 500MG TABLET / ORAL AA RS 1988-05-04 3f01610625f2…2019-09-15 20:21 UTC 2019-09 A089859-001 CHLORZOXAZONE 500MG TABLET / ORAL RS 1988-05-04 b00525d2431f…2019-07-19 19:46 UTC 2019-07 A089859-001 CHLORZOXAZONE 500MG TABLET / ORAL RS 1988-05-04 ea99ee380514…2024-03-16 18:09 UTC · 4 captures of this ZIP 2024-03 A089859-001 CHLORZOXAZONE 500MG TABLET / ORAL AA RS 1988-05-04 6a51e52b5d6a…2024-02-18 07:12 UTC 2024-02 A089859-001 CHLORZOXAZONE 500MG TABLET / ORAL AA RS 1988-05-04 1c564ffb4f44…2023-12-20 04:57 UTC 2023-12 A089859-001 CHLORZOXAZONE 500MG TABLET / ORAL AA RS 1988-05-04 ea1830bbd6c7…2023-11-28 05:40 UTC · 2 captures of this ZIP 2023-11 A089859-001 CHLORZOXAZONE 500MG TABLET / ORAL AA RS 1988-05-04 a72a2bbeb626…2023-10-25 00:34 UTC · 2 captures of this ZIP 2023-10 A089859-001 CHLORZOXAZONE 500MG TABLET / ORAL AA RS 1988-05-04 9b2671bbb829…2023-07-15 15:27 UTC · 2 captures of this ZIP 2023-07 A089859-001 CHLORZOXAZONE 500MG TABLET / ORAL AA RS 1988-05-04 a67488948f0b…2023-06-13 01:57 UTC · 3 captures of this ZIP 2023-06 A089859-001 CHLORZOXAZONE 500MG TABLET / ORAL AA RS 1988-05-04 3f0d92c62455…2023-05-13 08:27 UTC 2023-05 A089859-001 CHLORZOXAZONE 500MG TABLET / ORAL AA RS 1988-05-04 053a50430f4f…2023-01-26 05:58 UTC 2023-01 A089859-001 CHLORZOXAZONE 500MG TABLET / ORAL AA RS 1988-05-04 3bdfa0b2c4d7…2022-11-12 20:34 UTC · 5 captures of this ZIP 2022-11 A089859-001 CHLORZOXAZONE 500MG TABLET / ORAL AA RS 1988-05-04 3a93d1ddd44b…2022-10-28 04:53 UTC 2022-10 A089859-001 CHLORZOXAZONE 500MG TABLET / ORAL AA RS 1988-05-04 f41ea6bd6efb…2022-09-29 23:25 UTC 2022-09 A089859-001 CHLORZOXAZONE 500MG TABLET / ORAL AA RS 1988-05-04 e64feba35796…
Observed Orange Book normalized TE history# Additional Listing Data#
Finished product Yes
Brand name base Chlorzoxazone
Listing expiration 2026-12-31 Active Ingredients# Ingredient, Strength table Ingredient Strength CHLORZOXAZONE 500 mg/1
Harmonized UNII identifiers# UNII identifiers page 1 of 1 · 1 matching rows.
Identifier, FDA.report destination table Identifier FDA.report destination H0DE420U8G Internal UNII lookup
Harmonized RxCUI identifiers# RxCUI identifiers page 1 of 1 · 1 matching rows.
Identifier, FDA.report destination table Identifier FDA.report destination 197502 Internal RxNorm lookup
Harmonized SPL set identifiers# SPL set identifiers page 1 of 1 · 1 matching rows.
DailyMed Product Concepts# DailyMed Package Descriptions# DailyMed Socrata Ingredients# DailyMed Dashboard NDC Coverage# NDC, Dashboard title, SPL version table NDC Dashboard title SPL version Validation Dashboard ZIP 63629-1586 CHLORZOXAZONE TABLET [BRYANT RANCH PREPACK] 9 Current NDC, Legacy NDC, 9 package rows 20241012_5e6889c9-a091-4622-0a00-ad0fc1830f78.zip
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 · 5 matching rows.
DailyMed RxNorm Mappings# Packages# Package NDC, 11-digit format, Description table Package NDC 11-digit format Description Units Marketing start Marketing end Sample Exclude flag Status 63629-1586-1 63629158601 20 TABLET in 1 BOTTLE (63629-1586-1) 20 tablet 2024-10-08 0000-00-00 No No Current 63629-1586-2 63629158602 30 TABLET in 1 BOTTLE (63629-1586-2) 30 tablet 2024-10-08 0000-00-00 No No Current 63629-1586-3 63629158603 40 TABLET in 1 BOTTLE (63629-1586-3) 40 tablet 2012-10-22 0000-00-00 No No Current 63629-1586-4 63629158604 90 TABLET in 1 BOTTLE (63629-1586-4) 90 tablet 2024-10-08 0000-00-00 No No Current 63629-1586-5 63629158605 60 TABLET in 1 BOTTLE (63629-1586-5) 60 tablet 2024-10-08 0000-00-00 No No Current 63629-1586-6 63629158606 100 TABLET in 1 BOTTLE (63629-1586-6) 100 tablet 2024-10-08 0000-00-00 No No Current 63629-1586-7 63629158607 14 TABLET in 1 BOTTLE (63629-1586-7) 14 tablet 2024-10-08 0000-00-00 No No Current 63629-1586-8 63629158608 7 TABLET in 1 BOTTLE (63629-1586-8) 7 tablet 2024-10-08 0000-00-00 No No Current 63629-1586-9 63629158609 120 TABLET in 1 BOTTLE (63629-1586-9) 120 tablet 2012-07-18 0000-00-00 No No Current