Home NDC 55045-1594 Chlorzoxazone
Product NDC 55045-1594
11-digit product format 550451594
Labeler code 55045
Product ID 55045-1594_d223d18e-6d76-4a00-8c63-6ee0be2110bc
Type HUMAN PRESCRIPTION DRUG
Nonproprietary name Chlorzoxazone
Dosage form TABLET
Route ORAL
Labeler Dispensing Solutions, Inc.
Application ANDA089895
Marketing category ANDA
Marketing start 2011-01-16
Marketing end 0000-00-00
Substance CHLORZOXAZONE
Active strength 500 mg/1
Pharmacologic classes Centrally-mediated Muscle Relaxation [PE],Muscle Relaxant [EPC]
NDC exclude flag E
Listing certified through 2017-12-31
Current FDA listing Historical FDA.report record 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 · 44 matching rows.
View current auxiliary records. · View the auxiliary file history.
Captured / source date, Dataset, Scope table Captured / source date Dataset Scope Package NDC Snapshot Source SHA-256 2025-12-14 17:58 UTC · source 2025-12-05 excluded product product d630ba8d3edf…732f749b63fb…2025-12-14 17:58 UTC · source 2025-12-05 excluded package package 55045-1594-8 d630ba8d3edf…732f749b63fb…2025-08-27 00:01 UTC · source 2025-08-26 excluded product product f5e01cc5f278…a2eaf40c39c3…2025-08-27 00:01 UTC · source 2025-08-26 excluded package package 55045-1594-8 f5e01cc5f278…a2eaf40c39c3…2025-04-01 02:39 UTC · source 2025-03-31 excluded product product 2ef7874e63bc…57b86245f4fa…2025-04-01 02:39 UTC · source 2025-03-31 excluded package package 55045-1594-8 2ef7874e63bc…57b86245f4fa…2025-03-28 20:22 UTC · source 2025-03-28 excluded product product a1b67e2a42f9…c4cf2c586c0d…2025-03-28 20:22 UTC · source 2025-03-28 excluded package package 55045-1594-8 a1b67e2a42f9…c4cf2c586c0d…2025-03-22 03:12 UTC · source 2025-03-21 excluded product product cfe11265f3b6…090c488252e2…2025-03-22 03:12 UTC · source 2025-03-21 excluded package package 55045-1594-8 cfe11265f3b6…090c488252e2…2025-03-10 12:48 UTC · source 2025-03-10 excluded product product cdf11ea48f46…ba0047e9e063…2025-03-10 12:48 UTC · source 2025-03-10 excluded package package 55045-1594-8 cdf11ea48f46…ba0047e9e063…2025-02-02 03:52 UTC · source 2025-01-31 excluded product product 302b2466d912…e7b80fea0513…2025-02-02 03:52 UTC · source 2025-01-31 excluded package package 55045-1594-8 302b2466d912…e7b80fea0513…2025-01-20 13:05 UTC · source 2025-01-20 excluded product product ed331223b511…672a5bd82f5f…2025-01-20 13:05 UTC · source 2025-01-20 excluded package package 55045-1594-8 ed331223b511…672a5bd82f5f…2025-01-11 03:41 UTC · source 2025-01-10 excluded product product 0efc9e666f02…f202fb6c5f17…2025-01-11 03:41 UTC · source 2025-01-10 excluded package package 55045-1594-8 0efc9e666f02…f202fb6c5f17…2024-11-09 02:27 UTC · source 2024-11-08 excluded product product ad56d346431e…cc804d4bbf1e…2024-11-09 02:27 UTC · source 2024-11-08 excluded package package 55045-1594-8 ad56d346431e…cc804d4bbf1e…2024-10-04 04:10 UTC · source 2024-10-03 excluded product product 367a005e9d99…383a685ebd0f…2024-10-04 04:10 UTC · source 2024-10-03 excluded package package 55045-1594-8 367a005e9d99…383a685ebd0f…2024-07-10 04:00 UTC · source 2024-07-09 excluded product product 557ba5c1ecfa…9c80585c8c6e…2024-07-10 04:00 UTC · source 2024-07-09 excluded package package 55045-1594-8 557ba5c1ecfa…9c80585c8c6e…2024-05-28 21:12 UTC · source 2024-05-28 excluded product product 8af77b9d5b6f…d9bbb34c5368…2024-05-28 21:12 UTC · source 2024-05-28 excluded package package 55045-1594-8 8af77b9d5b6f…d9bbb34c5368…2024-05-15 03:39 UTC · source 2024-05-14 excluded product product 834df4deac94…adcc014656a3…2024-05-15 03:39 UTC · source 2024-05-14 excluded package package 55045-1594-8 834df4deac94…adcc014656a3…2024-03-11 06:39 UTC · source 2024-03-08 excluded product product 1332a3947898…d4bfe170f9cd…2024-03-11 06:39 UTC · source 2024-03-08 excluded package package 55045-1594-8 1332a3947898…d4bfe170f9cd…2022-08-30 03:57 UTC · source 2022-08-29 excluded product product fb8cb913e6d1…eb8c232b6be0…2022-08-30 03:57 UTC · source 2022-08-29 excluded package package 55045-1594-8 fb8cb913e6d1…eb8c232b6be0…2022-04-09 23:13 UTC · source 2022-04-08 excluded product product 86f5da6cb304…a595104c45d7…2022-04-09 23:13 UTC · source 2022-04-08 excluded package package 55045-1594-8 86f5da6cb304…a595104c45d7…2022-04-04 05:40 UTC · source 2022-04-01 excluded product product bd6a592717d7…303034d00443…2022-04-04 05:40 UTC · source 2022-04-01 excluded package package 55045-1594-8 bd6a592717d7…303034d00443…2021-12-27 23:28 UTC · source 2021-12-27 excluded product product 8dfbde2a14a4…c9ff85d89658…2021-12-27 23:28 UTC · source 2021-12-27 excluded package package 55045-1594-8 8dfbde2a14a4…c9ff85d89658…2020-12-18 03:04 UTC · source 2020-12-17 excluded product product e2bbac7714bc…27bdfed8d636…2020-12-18 03:04 UTC · source 2020-12-17 excluded package package 55045-1594-8 e2bbac7714bc…27bdfed8d636…2020-06-10 20:45 UTC · source 2020-06-10 excluded product product 9bebd1f3094a…5416666fcb17…2020-06-10 20:45 UTC · source 2020-06-10 excluded package package 55045-1594-8 9bebd1f3094a…5416666fcb17…2019-12-08 06:16 UTC · source 2019-12-05 excluded product product 110d247fa046…a55b01930146…2019-12-08 06:16 UTC · source 2019-12-05 excluded package package 55045-1594-8 110d247fa046…a55b01930146…
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 A089895-001 CHLORZOXAZONE CHLORZOXAZONE 500MG TABLET / ORAL 1988-05-04
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 A089895-001 CHLORZOXAZONE 500MG TABLET / ORAL 1988-05-04 caaa826d4ba7…2026-02-19 14:30 UTC 2026-02 A089895-001 CHLORZOXAZONE 500MG TABLET / ORAL 1988-05-04 011fe1cb6892…2025-12-14 10:44 UTC · 2 captures of this ZIP 2025-12 A089895-001 CHLORZOXAZONE 500MG TABLET / ORAL 1988-05-04 31067a03dcf5…2025-08-23 18:47 UTC 2025-08 A089895-001 CHLORZOXAZONE 500MG TABLET / ORAL 1988-05-04 6a471c1ec25d…2025-03-22 03:13 UTC · 3 captures of this ZIP 2025-03 A089895-001 CHLORZOXAZONE 500MG TABLET / ORAL 1988-05-04 fd3edfee7708…2025-02-26 10:13 UTC · 3 captures of this ZIP 2025-02 A089895-001 CHLORZOXAZONE 500MG TABLET / ORAL 1988-05-04 b8a1b40f171c…2025-01-19 17:59 UTC · 7 captures of this ZIP 2025-01 A089895-001 CHLORZOXAZONE 500MG TABLET / ORAL 1988-05-04 03ed91905a0d…2024-12-13 21:23 UTC · 2 captures of this ZIP 2024-12 A089895-001 CHLORZOXAZONE 500MG TABLET / ORAL 1988-05-04 2680178bc6a6…2024-09-14 05:58 UTC · 2 captures of this ZIP 2024-09 A089895-001 CHLORZOXAZONE 500MG TABLET / ORAL 1988-05-04 5bbf6a4d5a75…2024-11-08 22:44 UTC · 3 captures of this ZIP 2024-11 A089895-001 CHLORZOXAZONE 500MG TABLET / ORAL 1988-05-04 d8e5a09893c0…2024-10-29 15:01 UTC 2024-10 A089895-001 CHLORZOXAZONE 500MG TABLET / ORAL 1988-05-04 d06236e962d9…2024-08-13 05:28 UTC · 3 captures of this ZIP 2024-08 A089895-001 CHLORZOXAZONE 500MG TABLET / ORAL 1988-05-04 79d66fd596c7…2024-07-13 05:37 UTC · 2 captures of this ZIP 2024-07 A089895-001 CHLORZOXAZONE 500MG TABLET / ORAL 1988-05-04 301d65b070ca…2024-06-18 03:08 UTC · 5 captures of this ZIP 2024-06 A089895-001 CHLORZOXAZONE 500MG TABLET / ORAL 1988-05-04 1e350fbaab3a…2024-05-31 18:47 UTC 2024-05 A089895-001 CHLORZOXAZONE 500MG TABLET / ORAL 1988-05-04 8072bd15b7f6…2022-06-29 02:47 UTC · 2 captures of this ZIP 2022-06 A089895-001 CHLORZOXAZONE 500MG TABLET / ORAL 1988-05-04 5c6f7cd8ea54…2022-04-08 23:34 UTC 2022-04 A089895-001 CHLORZOXAZONE 500MG TABLET / ORAL 1988-05-04 5d02ea3f76ae…2022-04-04 05:41 UTC 2022-04 A089895-001 CHLORZOXAZONE 500MG TABLET / ORAL 1988-05-04 4b0b4de00fa7…2019-12-13 00:20 UTC 2019-12 A089895-001 CHLORZOXAZONE 500MG TABLET / ORAL 1988-05-04 74a2ff9319b5…2022-03-09 01:35 UTC 2022-03 A089895-001 CHLORZOXAZONE 500MG TABLET / ORAL 1988-05-04 bb7c543d1eb4…2021-12-28 21:50 UTC 2021-12 A089895-001 CHLORZOXAZONE 500MG TABLET / ORAL 1988-05-04 782e0a99824c…2021-05-05 16:15 UTC · 3 captures of this ZIP 2021-05 A089895-001 CHLORZOXAZONE 500MG TABLET / ORAL 1988-05-04 87673890dc5c…2021-03-12 10:30 UTC 2021-03 A089895-001 CHLORZOXAZONE 500MG TABLET / ORAL 1988-05-04 5aa47cf7b7d7…2020-12-22 03:56 UTC 2020-12 A089895-001 CHLORZOXAZONE 500MG TABLET / ORAL 1988-05-04 8869cabd3fbd…2020-11-12 02:37 UTC 2020-11 A089895-001 CHLORZOXAZONE 500MG TABLET / ORAL 1988-05-04 c0c555d07b60…2019-12-14 00:12 UTC 2019-12 A089895-001 CHLORZOXAZONE 500MG TABLET / ORAL 1988-05-04 3f01610625f2…2019-09-15 20:21 UTC 2019-09 A089895-001 CHLORZOXAZONE 500MG TABLET / ORAL 1988-05-04 b00525d2431f…2019-07-19 19:46 UTC 2019-07 A089895-001 CHLORZOXAZONE 500MG TABLET / ORAL 1988-05-04 ea99ee380514…2024-03-16 18:09 UTC · 4 captures of this ZIP 2024-03 A089895-001 CHLORZOXAZONE 500MG TABLET / ORAL 1988-05-04 6a51e52b5d6a…2024-02-18 07:12 UTC 2024-02 A089895-001 CHLORZOXAZONE 500MG TABLET / ORAL 1988-05-04 1c564ffb4f44…2023-12-20 04:57 UTC 2023-12 A089895-001 CHLORZOXAZONE 500MG TABLET / ORAL 1988-05-04 ea1830bbd6c7…2023-11-28 05:40 UTC · 2 captures of this ZIP 2023-11 A089895-001 CHLORZOXAZONE 500MG TABLET / ORAL 1988-05-04 a72a2bbeb626…2023-10-25 00:34 UTC · 2 captures of this ZIP 2023-10 A089895-001 CHLORZOXAZONE 500MG TABLET / ORAL 1988-05-04 9b2671bbb829…2023-07-15 15:27 UTC · 2 captures of this ZIP 2023-07 A089895-001 CHLORZOXAZONE 500MG TABLET / ORAL 1988-05-04 a67488948f0b…2023-06-13 01:57 UTC · 3 captures of this ZIP 2023-06 A089895-001 CHLORZOXAZONE 500MG TABLET / ORAL 1988-05-04 3f0d92c62455…2023-05-13 08:27 UTC 2023-05 A089895-001 CHLORZOXAZONE 500MG TABLET / ORAL 1988-05-04 053a50430f4f…2023-01-26 05:58 UTC 2023-01 A089895-001 CHLORZOXAZONE 500MG TABLET / ORAL 1988-05-04 3bdfa0b2c4d7…2022-11-12 20:34 UTC · 5 captures of this ZIP 2022-11 A089895-001 CHLORZOXAZONE 500MG TABLET / ORAL 1988-05-04 3a93d1ddd44b…2022-10-28 04:53 UTC 2022-10 A089895-001 CHLORZOXAZONE 500MG TABLET / ORAL 1988-05-04 f41ea6bd6efb…2022-09-29 23:25 UTC 2022-09 A089895-001 CHLORZOXAZONE 500MG TABLET / ORAL 1988-05-04 e64feba35796…
DailyMed Product Concepts# FDA-Initiated Inactive NDC Indexing# DailyMed Package Descriptions# Package NDC, Product, Description table Package NDC Product Description Form Quantity Strength SPL version 55045-1594-8 Chlorzoxazone 30 in 1 BOTTLE, PLASTIC TABLET 30 1
DailyMed Socrata Ingredients# Ingredient, Type, UNII table Ingredient Type UNII DailyMed label SPL version Uploaded CHLORZOXAZONE ACTIVE INGREDIENT H0DE420U8G CHLORZOXAZONE TABLET [DISPENSING SOLUTIONS, INC.] 1 CHLORZOXAZONE ACTIVE MOIETY H0DE420U8G CHLORZOXAZONE TABLET [DISPENSING SOLUTIONS, INC.] 1 ALUMINUM OXIDE INACTIVE INGREDIENT LMI26O6933 CHLORZOXAZONE TABLET [DISPENSING SOLUTIONS, INC.] 1 CELLULOSE, MICROCRYSTALLINE INACTIVE INGREDIENT OP1R32D61U CHLORZOXAZONE TABLET [DISPENSING SOLUTIONS, INC.] 1 CROSCARMELLOSE SODIUM INACTIVE INGREDIENT M28OL1HH48 CHLORZOXAZONE TABLET [DISPENSING SOLUTIONS, INC.] 1 D&C YELLOW NO. 10 INACTIVE INGREDIENT 35SW5USQ3G CHLORZOXAZONE TABLET [DISPENSING SOLUTIONS, INC.] 1 DOCUSATE SODIUM INACTIVE INGREDIENT F05Q2T2JA0 CHLORZOXAZONE TABLET [DISPENSING SOLUTIONS, INC.] 1 FD&C BLUE NO. 1 INACTIVE INGREDIENT H3R47K3TBD CHLORZOXAZONE TABLET [DISPENSING SOLUTIONS, INC.] 1 MAGNESIUM STEARATE INACTIVE INGREDIENT 70097M6I30 CHLORZOXAZONE TABLET [DISPENSING SOLUTIONS, INC.] 1 SILICON DIOXIDE INACTIVE INGREDIENT ETJ7Z6XBU4 CHLORZOXAZONE TABLET [DISPENSING SOLUTIONS, INC.] 1 SODIUM BENZOATE INACTIVE INGREDIENT OJ245FE5EU CHLORZOXAZONE TABLET [DISPENSING SOLUTIONS, INC.] 1
DailyMed Dashboard NDC Coverage# NDC, Dashboard title, SPL version table NDC Dashboard title SPL version Validation Dashboard ZIP 55045-1594 CHLORZOXAZONE TABLET [DISPENSING SOLUTIONS, INC.] 1 Legacy NDC, 1 package rows 20110916_3b91e3ba-1eb6-4297-9d1b-28d87b36a5b3.zip
DailyMed RxNorm Mappings# Packages# Package NDC, 11-digit format, Description table Package NDC 11-digit format Description Status 55045-1594-8 55045159408 30 in 1 BOTTLE, PLASTIC Historical