CHLORZOXAZONE

Product NDC
71335-2433
11-digit product format
713352433
Labeler code
71335
Product ID
71335-2433_74951b92-2fb8-4a07-9084-5f99f570a40d
Type
HUMAN PRESCRIPTION DRUG
Nonproprietary name
CHLORZOXAZONE
Dosage form
TABLET
Route
ORAL
Labeler
Bryant Ranch Prepack
Application
ANDA213126
Marketing category
ANDA
Marketing start
2022-04-05
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 · 3 matching rows.

Application-product, Trade name, Ingredient table
Application-productTrade nameIngredientStrengthDosage form / routeTE codesRLD / RSApproval date
A213126-001CHLORZOXAZONECHLORZOXAZONE375MGTABLET / ORALAB2022-04-05
A213126-002CHLORZOXAZONECHLORZOXAZONE500MGTABLET / ORALAA2022-04-05
A213126-003CHLORZOXAZONECHLORZOXAZONE750MGTABLET / ORALAB2022-04-05

Therapeutic equivalence codes#

Current TE-code rows page 1 of 1 · 3 matching rows.

Application-product, TE code table
Application-productTE code
A213126-001AB
A213126-002AA
A213126-003AB

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 3 · 93 observed states.

Captured, Edition, Application-product table
CapturedEditionApplication-productTrade nameStrengthDosage form / routeProduct TE source textRLD / RSApproval dateSource SHA-256
2026-08-18 06:07:402026-07A213126-001CHLORZOXAZONE375MGTABLET / ORALAB2022-04-05caaa826d4ba7…
2026-08-18 06:07:402026-07A213126-002CHLORZOXAZONE500MGTABLET / ORALAA2022-04-05caaa826d4ba7…
2026-08-18 06:07:402026-07A213126-003CHLORZOXAZONE750MGTABLET / ORALAB2022-04-05caaa826d4ba7…
2026-02-19 14:30 UTC2026-02A213126-001CHLORZOXAZONE375MGTABLET / ORALAB2022-04-05011fe1cb6892…
2026-02-19 14:30 UTC2026-02A213126-002CHLORZOXAZONE500MGTABLET / ORALAA2022-04-05011fe1cb6892…
2026-02-19 14:30 UTC2026-02A213126-003CHLORZOXAZONE750MGTABLET / ORALAB2022-04-05011fe1cb6892…
2025-12-14 10:44 UTC · 2 captures of this ZIP2025-12A213126-001CHLORZOXAZONE375MGTABLET / ORALAB2022-04-0531067a03dcf5…
2025-12-14 10:44 UTC · 2 captures of this ZIP2025-12A213126-002CHLORZOXAZONE500MGTABLET / ORALAA2022-04-0531067a03dcf5…
2025-12-14 10:44 UTC · 2 captures of this ZIP2025-12A213126-003CHLORZOXAZONE750MGTABLET / ORALAB2022-04-0531067a03dcf5…
2025-08-23 18:47 UTC2025-08A213126-001CHLORZOXAZONE375MGTABLET / ORALAB2022-04-056a471c1ec25d…
2025-08-23 18:47 UTC2025-08A213126-002CHLORZOXAZONE500MGTABLET / ORALAB2022-04-056a471c1ec25d…
2025-08-23 18:47 UTC2025-08A213126-003CHLORZOXAZONE750MGTABLET / ORALAB2022-04-056a471c1ec25d…
2025-03-22 03:13 UTC · 3 captures of this ZIP2025-03A213126-001CHLORZOXAZONE375MGTABLET / ORALAB2022-04-05fd3edfee7708…
2025-03-22 03:13 UTC · 3 captures of this ZIP2025-03A213126-002CHLORZOXAZONE500MGTABLET / ORALAB2022-04-05fd3edfee7708…
2025-03-22 03:13 UTC · 3 captures of this ZIP2025-03A213126-003CHLORZOXAZONE750MGTABLET / ORALAB2022-04-05fd3edfee7708…
2025-02-26 10:13 UTC · 3 captures of this ZIP2025-02A213126-001CHLORZOXAZONE375MGTABLET / ORALAB2022-04-05b8a1b40f171c…
2025-02-26 10:13 UTC · 3 captures of this ZIP2025-02A213126-002CHLORZOXAZONE500MGTABLET / ORALAB2022-04-05b8a1b40f171c…
2025-02-26 10:13 UTC · 3 captures of this ZIP2025-02A213126-003CHLORZOXAZONE750MGTABLET / ORALAB2022-04-05b8a1b40f171c…
2025-01-19 17:59 UTC · 7 captures of this ZIP2025-01A213126-001CHLORZOXAZONE375MGTABLET / ORALAB2022-04-0503ed91905a0d…
2025-01-19 17:59 UTC · 7 captures of this ZIP2025-01A213126-002CHLORZOXAZONE500MGTABLET / ORALAB2022-04-0503ed91905a0d…
2025-01-19 17:59 UTC · 7 captures of this ZIP2025-01A213126-003CHLORZOXAZONE750MGTABLET / ORALAB2022-04-0503ed91905a0d…
2024-12-13 21:23 UTC · 2 captures of this ZIP2024-12A213126-001CHLORZOXAZONE375MGTABLET / ORALAB2022-04-052680178bc6a6…
2024-12-13 21:23 UTC · 2 captures of this ZIP2024-12A213126-002CHLORZOXAZONE500MGTABLET / ORALAB2022-04-052680178bc6a6…
2024-12-13 21:23 UTC · 2 captures of this ZIP2024-12A213126-003CHLORZOXAZONE750MGTABLET / ORALAB2022-04-052680178bc6a6…
2024-09-14 05:58 UTC · 2 captures of this ZIP2024-09A213126-001CHLORZOXAZONE375MGTABLET / ORALAB2022-04-055bbf6a4d5a75…
2024-09-14 05:58 UTC · 2 captures of this ZIP2024-09A213126-002CHLORZOXAZONE500MGTABLET / ORALAB2022-04-055bbf6a4d5a75…
2024-09-14 05:58 UTC · 2 captures of this ZIP2024-09A213126-003CHLORZOXAZONE750MGTABLET / ORALAB2022-04-055bbf6a4d5a75…
2024-11-08 22:44 UTC · 3 captures of this ZIP2024-11A213126-001CHLORZOXAZONE375MGTABLET / ORALAB2022-04-05d8e5a09893c0…
2024-11-08 22:44 UTC · 3 captures of this ZIP2024-11A213126-002CHLORZOXAZONE500MGTABLET / ORALAB2022-04-05d8e5a09893c0…
2024-11-08 22:44 UTC · 3 captures of this ZIP2024-11A213126-003CHLORZOXAZONE750MGTABLET / ORALAB2022-04-05d8e5a09893c0…
2024-10-29 15:01 UTC2024-10A213126-001CHLORZOXAZONE375MGTABLET / ORALAB2022-04-05d06236e962d9…
2024-10-29 15:01 UTC2024-10A213126-002CHLORZOXAZONE500MGTABLET / ORALAB2022-04-05d06236e962d9…
2024-10-29 15:01 UTC2024-10A213126-003CHLORZOXAZONE750MGTABLET / ORALAB2022-04-05d06236e962d9…
2024-08-13 05:28 UTC · 3 captures of this ZIP2024-08A213126-001CHLORZOXAZONE375MGTABLET / ORALAB2022-04-0579d66fd596c7…
2024-08-13 05:28 UTC · 3 captures of this ZIP2024-08A213126-002CHLORZOXAZONE500MGTABLET / ORALAB2022-04-0579d66fd596c7…
2024-08-13 05:28 UTC · 3 captures of this ZIP2024-08A213126-003CHLORZOXAZONE750MGTABLET / ORALAB2022-04-0579d66fd596c7…
2024-07-13 05:37 UTC · 2 captures of this ZIP2024-07A213126-001CHLORZOXAZONE375MGTABLET / ORALAB2022-04-05301d65b070ca…
2024-07-13 05:37 UTC · 2 captures of this ZIP2024-07A213126-002CHLORZOXAZONE500MGTABLET / ORALAB2022-04-05301d65b070ca…
2024-07-13 05:37 UTC · 2 captures of this ZIP2024-07A213126-003CHLORZOXAZONE750MGTABLET / ORALAB2022-04-05301d65b070ca…
2024-06-18 03:08 UTC · 5 captures of this ZIP2024-06A213126-001CHLORZOXAZONE375MGTABLET / ORALAB2022-04-051e350fbaab3a…

Observed Orange Book normalized TE history#

Normalized TE history page 1 of 3 · 93 observed states.

Captured, Edition, Application-product table
CapturedEditionApplication-productTE codeOrderSource SHA-256
2026-08-18 06:07:402026-07A213126-001AB1caaa826d4ba7…
2026-08-18 06:07:402026-07A213126-002AA1caaa826d4ba7…
2026-08-18 06:07:402026-07A213126-003AB1caaa826d4ba7…
2026-02-19 14:30 UTC2026-02A213126-001AB1011fe1cb6892…
2026-02-19 14:30 UTC2026-02A213126-002AA1011fe1cb6892…
2026-02-19 14:30 UTC2026-02A213126-003AB1011fe1cb6892…
2025-12-14 10:44 UTC · 2 captures of this ZIP2025-12A213126-001AB131067a03dcf5…
2025-12-14 10:44 UTC · 2 captures of this ZIP2025-12A213126-002AA131067a03dcf5…
2025-12-14 10:44 UTC · 2 captures of this ZIP2025-12A213126-003AB131067a03dcf5…
2025-08-23 18:47 UTC2025-08A213126-001AB16a471c1ec25d…
2025-08-23 18:47 UTC2025-08A213126-002AB16a471c1ec25d…
2025-08-23 18:47 UTC2025-08A213126-003AB16a471c1ec25d…
2025-03-22 03:13 UTC · 3 captures of this ZIP2025-03A213126-001AB1fd3edfee7708…
2025-03-22 03:13 UTC · 3 captures of this ZIP2025-03A213126-002AB1fd3edfee7708…
2025-03-22 03:13 UTC · 3 captures of this ZIP2025-03A213126-003AB1fd3edfee7708…
2025-02-26 10:13 UTC · 3 captures of this ZIP2025-02A213126-001AB1b8a1b40f171c…
2025-02-26 10:13 UTC · 3 captures of this ZIP2025-02A213126-002AB1b8a1b40f171c…
2025-02-26 10:13 UTC · 3 captures of this ZIP2025-02A213126-003AB1b8a1b40f171c…
2025-01-19 17:59 UTC · 7 captures of this ZIP2025-01A213126-001AB103ed91905a0d…
2025-01-19 17:59 UTC · 7 captures of this ZIP2025-01A213126-002AB103ed91905a0d…
2025-01-19 17:59 UTC · 7 captures of this ZIP2025-01A213126-003AB103ed91905a0d…
2024-12-13 21:23 UTC · 2 captures of this ZIP2024-12A213126-001AB12680178bc6a6…
2024-12-13 21:23 UTC · 2 captures of this ZIP2024-12A213126-002AB12680178bc6a6…
2024-12-13 21:23 UTC · 2 captures of this ZIP2024-12A213126-003AB12680178bc6a6…
2024-09-14 05:58 UTC · 2 captures of this ZIP2024-09A213126-001AB15bbf6a4d5a75…
2024-09-14 05:58 UTC · 2 captures of this ZIP2024-09A213126-002AB15bbf6a4d5a75…
2024-09-14 05:58 UTC · 2 captures of this ZIP2024-09A213126-003AB15bbf6a4d5a75…
2024-11-08 22:44 UTC · 3 captures of this ZIP2024-11A213126-001AB1d8e5a09893c0…
2024-11-08 22:44 UTC · 3 captures of this ZIP2024-11A213126-002AB1d8e5a09893c0…
2024-11-08 22:44 UTC · 3 captures of this ZIP2024-11A213126-003AB1d8e5a09893c0…
2024-10-29 15:01 UTC2024-10A213126-001AB1d06236e962d9…
2024-10-29 15:01 UTC2024-10A213126-002AB1d06236e962d9…
2024-10-29 15:01 UTC2024-10A213126-003AB1d06236e962d9…
2024-08-13 05:28 UTC · 3 captures of this ZIP2024-08A213126-001AB179d66fd596c7…
2024-08-13 05:28 UTC · 3 captures of this ZIP2024-08A213126-002AB179d66fd596c7…
2024-08-13 05:28 UTC · 3 captures of this ZIP2024-08A213126-003AB179d66fd596c7…
2024-07-13 05:37 UTC · 2 captures of this ZIP2024-07A213126-001AB1301d65b070ca…
2024-07-13 05:37 UTC · 2 captures of this ZIP2024-07A213126-002AB1301d65b070ca…
2024-07-13 05:37 UTC · 2 captures of this ZIP2024-07A213126-003AB1301d65b070ca…
2024-06-18 03:08 UTC · 5 captures of this ZIP2024-06A213126-001AB11e350fbaab3a…

Additional Listing Data#

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

Active Ingredients#

Ingredient, Strength table
IngredientStrength
CHLORZOXAZONE500 mg/1

Harmonized UNII identifiers#

UNII identifiers page 1 of 1 · 1 matching rows.

Identifier, FDA.report destination table
IdentifierFDA.report destination
H0DE420U8GInternal UNII lookup

Harmonized RxCUI identifiers#

RxCUI identifiers page 1 of 1 · 1 matching rows.

Identifier, FDA.report destination table
IdentifierFDA.report destination
197502Internal RxNorm lookup

Harmonized SPL set identifiers#

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

Identifier, FDA.report destination table
IdentifierFDA.report destination
d7f09907-83b2-46cf-947d-fa38dcf88685Available on FDA.report

DailyMed Product Concepts#

Product concept, Relation, Version table
Product conceptRelationVersionEffective
a7ba9d15-162f-2741-f0fc-3516be5e88bdProduct name720250114
cbf4a4f8-16cb-4546-a0cc-fd91bbe774f2Product name220240223
0a48cfb8-244e-463e-aa85-fd9bbbc9190aProduct name220200224

DailyMed Package Descriptions#

Package NDC, Product, Description table
Package NDCProductDescriptionFormQuantityStrengthSPL version
71335-2433-1CHLORZOXAZONE20 in 1 BOTTLETABLET202
71335-2433-2CHLORZOXAZONE30 in 1 BOTTLETABLET302
71335-2433-3CHLORZOXAZONE40 in 1 BOTTLETABLET402
71335-2433-4CHLORZOXAZONE90 in 1 BOTTLETABLET902
71335-2433-5CHLORZOXAZONE60 in 1 BOTTLETABLET602
71335-2433-6CHLORZOXAZONE100 in 1 BOTTLETABLET1002
71335-2433-7CHLORZOXAZONE14 in 1 BOTTLETABLET142
71335-2433-8CHLORZOXAZONE7 in 1 BOTTLETABLET72
71335-2433-9CHLORZOXAZONE120 in 1 BOTTLETABLET1202

DailyMed Billing Units#

Package NDC, Billing unit, Product NDC table
Package NDCBilling unitProduct NDCDailyMed indexing SPLSPL versionEffective
71335-2433-5EA - Each71335-24334d6bd30c-ee67-4eec-9173-97dc81acd5cd12025-10-14

DailyMed Dashboard NDC Coverage#

NDC, Dashboard title, SPL version table
NDCDashboard titleSPL versionValidationDashboard ZIP
71335-2433CHLORZOXAZONE TABLET [BRYANT RANCH PREPACK]2Current NDC, 9 package rows20240910_d7f09907-83b2-46cf-947d-fa38dcf88685.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 · 4 matching rows.

Brand, Generic, Manufacturer table
BrandGenericManufacturerSPL set IDEffective dateAvailable safety fieldsJoin
CHLORZOXAZONECHLORZOXAZONEAdvanced Rx of Tennessee, LLC30c9b3ce-198d-0c16-e063-6394a90a857d2025-03-20Warnings, Adverse reactionsExact identifier
application applno (ANDA): 213126
application number: ANDA213126
CHLORZOXAZONECHLORZOXAZONEA-S Medication Solutionsd0210638-b828-4c05-9669-fd61ef9873172025-02-04Warnings, Adverse reactionsExact identifier
application applno (ANDA): 213126
application number: ANDA213126
CHLORZOXAZONECHLORZOXAZONEBryant Ranch Prepackd7f09907-83b2-46cf-947d-fa38dcf886852024-09-09Warnings, Adverse reactionsExact identifier
application applno (ANDA): 213126
application number: ANDA213126
ndc (product): 71335-2433
CHLORZOXAZONECHLORZOXAZONERising Pharma Holdings, Inc.1df6058b-7bf2-4246-9827-93fa023a5fd42023-06-09Warnings, Adverse reactionsExact identifier
application applno (ANDA): 213126
application number: ANDA213126

DailyMed RxNorm Mappings#

RxCUI, RxNorm string, TTY table
RxCUIRxNorm stringTTYDailyMedSPL version
197502chlorzoxazone 500 MG Oral TabletPSNd7f09907-83b2-46cf-947d-fa38dcf886852
197502chlorzoxazone 500 MG Oral TabletSCDd7f09907-83b2-46cf-947d-fa38dcf886852

Packages#

Package NDC, 11-digit format, Description table
Package NDC11-digit formatDescriptionUnitsMarketing startSampleExclude flagStatus
71335-2433-17133524330120 TABLET in 1 BOTTLE (71335-2433-1) 20 tablet2024-09-09NoNoCurrent
71335-2433-27133524330230 TABLET in 1 BOTTLE (71335-2433-2) 30 tablet2024-09-09NoNoCurrent
71335-2433-37133524330340 TABLET in 1 BOTTLE (71335-2433-3) 40 tablet2024-09-09NoNoCurrent
71335-2433-47133524330490 TABLET in 1 BOTTLE (71335-2433-4) 90 tablet2024-09-09NoNoCurrent
71335-2433-57133524330560 TABLET in 1 BOTTLE (71335-2433-5) 60 tablet2024-09-09NoNoCurrent
71335-2433-671335243306100 TABLET in 1 BOTTLE (71335-2433-6) 100 tablet2024-09-09NoNoCurrent
71335-2433-77133524330714 TABLET in 1 BOTTLE (71335-2433-7) 14 tablet2024-09-09NoNoCurrent
71335-2433-8713352433087 TABLET in 1 BOTTLE (71335-2433-8) 7 tablet2024-09-09NoNoCurrent
71335-2433-971335243309120 TABLET in 1 BOTTLE (71335-2433-9) 120 tablet2024-09-09NoNoCurrent