Methimazole

Product NDC
50268-496
11-digit product format
502680496
Labeler code
50268
Product ID
50268-496_41168239-a16a-40e0-e063-6294a90a5c58
Type
HUMAN PRESCRIPTION DRUG
Nonproprietary name
methimazole
Dosage form
TABLET
Route
ORAL
Labeler
AvPAK
Application
ANDA218149
Marketing category
ANDA
Marketing start
2025-10-13
Substance
METHIMAZOLE
Active strength
10 mg/1
Pharmacologic classes
Thyroid Hormone Synthesis Inhibitor [EPC], Thyroid Hormone Synthesis Inhibitors [MoA]
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 1.

Orange Book products#

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

Application-product, Trade name, Ingredient table
Application-productTrade nameIngredientStrengthDosage form / routeTE codesRLD / RSApproval date
A218149-001METHIMAZOLEMETHIMAZOLE5MGTABLET / ORALAB2023-09-25
A218149-002METHIMAZOLEMETHIMAZOLE10MGTABLET / ORALAB2023-09-25

Therapeutic equivalence codes#

Current TE-code rows page 1 of 1 · 2 matching rows.

Application-product, TE code table
Application-productTE code
A218149-001AB
A218149-002AB

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.

Captured, Edition, Application-product table
CapturedEditionApplication-productTrade nameStrengthDosage form / routeProduct TE source textRLD / RSApproval dateSource SHA-256
2026-02-19 14:30 UTC2026-02A218149-001METHIMAZOLE5MGTABLET / ORALAB2023-09-25011fe1cb6892…
2026-02-19 14:30 UTC2026-02A218149-002METHIMAZOLE10MGTABLET / ORALAB2023-09-25011fe1cb6892…
2025-12-14 10:44 UTC · 2 captures of this ZIP2025-12A218149-001METHIMAZOLE5MGTABLET / ORALAB2023-09-2531067a03dcf5…
2025-12-14 10:44 UTC · 2 captures of this ZIP2025-12A218149-002METHIMAZOLE10MGTABLET / ORALAB2023-09-2531067a03dcf5…
2025-08-23 18:47 UTC2025-08A218149-001METHIMAZOLE5MGTABLET / ORALAB2023-09-256a471c1ec25d…
2025-08-23 18:47 UTC2025-08A218149-002METHIMAZOLE10MGTABLET / ORALAB2023-09-256a471c1ec25d…
2025-03-22 03:13 UTC · 3 captures of this ZIP2025-03A218149-001METHIMAZOLE5MGTABLET / ORALAB2023-09-25fd3edfee7708…
2025-03-22 03:13 UTC · 3 captures of this ZIP2025-03A218149-002METHIMAZOLE10MGTABLET / ORALAB2023-09-25fd3edfee7708…
2025-02-26 10:13 UTC · 3 captures of this ZIP2025-02A218149-001METHIMAZOLE5MGTABLET / ORALAB2023-09-25b8a1b40f171c…
2025-02-26 10:13 UTC · 3 captures of this ZIP2025-02A218149-002METHIMAZOLE10MGTABLET / ORALAB2023-09-25b8a1b40f171c…
2025-01-19 17:59 UTC · 7 captures of this ZIP2025-01A218149-001METHIMAZOLE5MGTABLET / ORALAB2023-09-2503ed91905a0d…
2025-01-19 17:59 UTC · 7 captures of this ZIP2025-01A218149-002METHIMAZOLE10MGTABLET / ORALAB2023-09-2503ed91905a0d…
2024-12-13 21:23 UTC · 2 captures of this ZIP2024-12A218149-001METHIMAZOLE5MGTABLET / ORALAB2023-09-252680178bc6a6…
2024-12-13 21:23 UTC · 2 captures of this ZIP2024-12A218149-002METHIMAZOLE10MGTABLET / ORALAB2023-09-252680178bc6a6…
2024-09-14 05:58 UTC · 2 captures of this ZIP2024-09A218149-001METHIMAZOLE5MGTABLET / ORALAB2023-09-255bbf6a4d5a75…
2024-09-14 05:58 UTC · 2 captures of this ZIP2024-09A218149-002METHIMAZOLE10MGTABLET / ORALAB2023-09-255bbf6a4d5a75…
2024-11-08 22:44 UTC · 3 captures of this ZIP2024-11A218149-001METHIMAZOLE5MGTABLET / ORALAB2023-09-25d8e5a09893c0…
2024-11-08 22:44 UTC · 3 captures of this ZIP2024-11A218149-002METHIMAZOLE10MGTABLET / ORALAB2023-09-25d8e5a09893c0…
2024-10-29 15:01 UTC2024-10A218149-001METHIMAZOLE5MGTABLET / ORALAB2023-09-25d06236e962d9…
2024-10-29 15:01 UTC2024-10A218149-002METHIMAZOLE10MGTABLET / ORALAB2023-09-25d06236e962d9…
2024-08-13 05:28 UTC · 3 captures of this ZIP2024-08A218149-001METHIMAZOLE5MGTABLET / ORALAB2023-09-2579d66fd596c7…
2024-08-13 05:28 UTC · 3 captures of this ZIP2024-08A218149-002METHIMAZOLE10MGTABLET / ORALAB2023-09-2579d66fd596c7…
2024-07-13 05:37 UTC · 2 captures of this ZIP2024-07A218149-001METHIMAZOLE5MGTABLET / ORALAB2023-09-25301d65b070ca…
2024-07-13 05:37 UTC · 2 captures of this ZIP2024-07A218149-002METHIMAZOLE10MGTABLET / ORALAB2023-09-25301d65b070ca…
2024-06-18 03:08 UTC · 5 captures of this ZIP2024-06A218149-001METHIMAZOLE5MGTABLET / ORALAB2023-09-251e350fbaab3a…
2024-06-18 03:08 UTC · 5 captures of this ZIP2024-06A218149-002METHIMAZOLE10MGTABLET / ORALAB2023-09-251e350fbaab3a…
2024-05-31 18:47 UTC2024-05A218149-001METHIMAZOLE5MGTABLET / ORALAB2023-09-258072bd15b7f6…
2024-05-31 18:47 UTC2024-05A218149-002METHIMAZOLE10MGTABLET / ORALAB2023-09-258072bd15b7f6…
2024-03-16 18:09 UTC · 4 captures of this ZIP2024-03A218149-001METHIMAZOLE5MGTABLET / ORALAB2023-09-256a51e52b5d6a…
2024-03-16 18:09 UTC · 4 captures of this ZIP2024-03A218149-002METHIMAZOLE10MGTABLET / ORALAB2023-09-256a51e52b5d6a…
2024-02-18 07:12 UTC2024-02A218149-001METHIMAZOLE5MGTABLET / ORALAB2023-09-251c564ffb4f44…
2024-02-18 07:12 UTC2024-02A218149-002METHIMAZOLE10MGTABLET / ORALAB2023-09-251c564ffb4f44…
2023-12-20 04:57 UTC2023-12A218149-001METHIMAZOLE5MGTABLET / ORALAB2023-09-25ea1830bbd6c7…
2023-12-20 04:57 UTC2023-12A218149-002METHIMAZOLE10MGTABLET / ORALAB2023-09-25ea1830bbd6c7…
2023-11-28 05:40 UTC · 2 captures of this ZIP2023-11A218149-001METHIMAZOLE5MGTABLET / ORALAB2023-09-25a72a2bbeb626…
2023-11-28 05:40 UTC · 2 captures of this ZIP2023-11A218149-002METHIMAZOLE10MGTABLET / ORALAB2023-09-25a72a2bbeb626…
2023-10-25 00:34 UTC · 2 captures of this ZIP2023-10A218149-001METHIMAZOLE5MGTABLET / ORALAB2023-09-259b2671bbb829…
2023-10-25 00:34 UTC · 2 captures of this ZIP2023-10A218149-002METHIMAZOLE10MGTABLET / ORALAB2023-09-259b2671bbb829…
2026-07-26 02:55 UTC · 3 captures of this ZIP2026-06A218149-001METHIMAZOLE5MGTABLET / ORALAB2023-09-25a50c72e98297…
2026-07-26 02:55 UTC · 3 captures of this ZIP2026-06A218149-002METHIMAZOLE10MGTABLET / ORALAB2023-09-25a50c72e98297…

Observed Orange Book normalized TE history#

Captured, Edition, Application-product table
CapturedEditionApplication-productTE codeOrderSource SHA-256
2026-02-19 14:30 UTC2026-02A218149-001AB1011fe1cb6892…
2026-02-19 14:30 UTC2026-02A218149-002AB1011fe1cb6892…
2025-12-14 10:44 UTC · 2 captures of this ZIP2025-12A218149-001AB131067a03dcf5…
2025-12-14 10:44 UTC · 2 captures of this ZIP2025-12A218149-002AB131067a03dcf5…
2025-08-23 18:47 UTC2025-08A218149-001AB16a471c1ec25d…
2025-08-23 18:47 UTC2025-08A218149-002AB16a471c1ec25d…
2025-03-22 03:13 UTC · 3 captures of this ZIP2025-03A218149-001AB1fd3edfee7708…
2025-03-22 03:13 UTC · 3 captures of this ZIP2025-03A218149-002AB1fd3edfee7708…
2025-02-26 10:13 UTC · 3 captures of this ZIP2025-02A218149-001AB1b8a1b40f171c…
2025-02-26 10:13 UTC · 3 captures of this ZIP2025-02A218149-002AB1b8a1b40f171c…
2025-01-19 17:59 UTC · 7 captures of this ZIP2025-01A218149-001AB103ed91905a0d…
2025-01-19 17:59 UTC · 7 captures of this ZIP2025-01A218149-002AB103ed91905a0d…
2024-12-13 21:23 UTC · 2 captures of this ZIP2024-12A218149-001AB12680178bc6a6…
2024-12-13 21:23 UTC · 2 captures of this ZIP2024-12A218149-002AB12680178bc6a6…
2024-09-14 05:58 UTC · 2 captures of this ZIP2024-09A218149-001AB15bbf6a4d5a75…
2024-09-14 05:58 UTC · 2 captures of this ZIP2024-09A218149-002AB15bbf6a4d5a75…
2024-11-08 22:44 UTC · 3 captures of this ZIP2024-11A218149-001AB1d8e5a09893c0…
2024-11-08 22:44 UTC · 3 captures of this ZIP2024-11A218149-002AB1d8e5a09893c0…
2024-10-29 15:01 UTC2024-10A218149-001AB1d06236e962d9…
2024-10-29 15:01 UTC2024-10A218149-002AB1d06236e962d9…
2024-08-13 05:28 UTC · 3 captures of this ZIP2024-08A218149-001AB179d66fd596c7…
2024-08-13 05:28 UTC · 3 captures of this ZIP2024-08A218149-002AB179d66fd596c7…
2024-07-13 05:37 UTC · 2 captures of this ZIP2024-07A218149-001AB1301d65b070ca…
2024-07-13 05:37 UTC · 2 captures of this ZIP2024-07A218149-002AB1301d65b070ca…
2024-06-18 03:08 UTC · 5 captures of this ZIP2024-06A218149-001AB11e350fbaab3a…
2024-06-18 03:08 UTC · 5 captures of this ZIP2024-06A218149-002AB11e350fbaab3a…
2024-05-31 18:47 UTC2024-05A218149-001AB18072bd15b7f6…
2024-05-31 18:47 UTC2024-05A218149-002AB18072bd15b7f6…
2024-03-16 18:09 UTC · 4 captures of this ZIP2024-03A218149-001AB16a51e52b5d6a…
2024-03-16 18:09 UTC · 4 captures of this ZIP2024-03A218149-002AB16a51e52b5d6a…
2024-02-18 07:12 UTC2024-02A218149-001AB11c564ffb4f44…
2024-02-18 07:12 UTC2024-02A218149-002AB11c564ffb4f44…
2023-12-20 04:57 UTC2023-12A218149-001AB1ea1830bbd6c7…
2023-12-20 04:57 UTC2023-12A218149-002AB1ea1830bbd6c7…
2023-11-28 05:40 UTC · 2 captures of this ZIP2023-11A218149-001AB1a72a2bbeb626…
2023-11-28 05:40 UTC · 2 captures of this ZIP2023-11A218149-002AB1a72a2bbeb626…
2023-10-25 00:34 UTC · 2 captures of this ZIP2023-10A218149-001AB19b2671bbb829…
2023-10-25 00:34 UTC · 2 captures of this ZIP2023-10A218149-002AB19b2671bbb829…
2026-07-26 02:55 UTC · 3 captures of this ZIP2026-06A218149-001AB1a50c72e98297…
2026-07-26 02:55 UTC · 3 captures of this ZIP2026-06A218149-002AB1a50c72e98297…

Additional Listing Data#

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

Active Ingredients#

Ingredient, Strength table
IngredientStrength
METHIMAZOLE10 mg/1

Harmonized UNII identifiers#

UNII identifiers page 1 of 1 · 1 matching rows.

Identifier, FDA.report destination table
IdentifierFDA.report destination
554Z48XN5EInternal UNII lookup

Harmonized RxCUI identifiers#

RxCUI identifiers page 1 of 1 · 2 matching rows.

Identifier, FDA.report destination table
IdentifierFDA.report destination
197941Internal RxNorm lookup
197942Internal RxNorm lookup

Harmonized SPL set identifiers#

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

Identifier, FDA.report destination table
IdentifierFDA.report destination
4116774b-6c2b-2c74-e063-6394a90a4955Available on FDA.report

DailyMed Product Concepts#

Product concept, Relation, Version table
Product conceptRelationVersionEffective
42f09d00-d445-e29e-bea8-dfb46b9366fcProduct name420251118

DailyMed Package Descriptions#

Package NDC, Product, Description table
Package NDCProductDescriptionFormQuantityStrengthSPL version
50268-496-11Methimazole1 in 1 BLISTER PACKTABLET11
50268-496-15Methimazole50 in 1 BOXTABLET501

DailyMed Billing Units#

Package NDC, Billing unit, Product NDC table
Package NDCBilling unitProduct NDCDailyMed indexing SPLSPL versionEffective
50268-496-11EA - Each50268-49613523b7a-c419-4c41-86ea-e5fb6d49fb9412025-12-16
50268-496-15EA - Each50268-49604ee262c-2d35-4b41-b7e8-02b3a9d28f6912025-12-16

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 · 2 matching rows.

Brand, Generic, Manufacturer table
BrandGenericManufacturerSPL set IDEffective dateAvailable safety fieldsJoin
MethimazoleMETHIMAZOLEAvPAK4116774b-6c2b-2c74-e063-6394a90a49552025-10-13Warnings, Adverse reactionsExact identifier
application applno (ANDA): 218149
application number: ANDA218149
ndc (product): 50268-496
MethimazoleMETHIMAZOLEBionpharma Inc.141a91d5-b56e-06d6-e063-6394a90a11ba2024-03-20Warnings, Adverse reactionsExact identifier
application applno (ANDA): 218149
application number: ANDA218149

DailyMed RxNorm Mappings#

RxCUI, RxNorm string, TTY table
RxCUIRxNorm stringTTYDailyMedSPL version
197941methIMAzole 10 MG Oral TabletPSN4116774b-6c2b-2c74-e063-6394a90a49551
197942methIMAzole 5 MG Oral TabletPSN4116774b-6c2b-2c74-e063-6394a90a49551
197941methimazole 10 MG Oral TabletSCD4116774b-6c2b-2c74-e063-6394a90a49551
197942methimazole 5 MG Oral TabletSCD4116774b-6c2b-2c74-e063-6394a90a49551
197941thiamazole 10 MG Oral TabletSY4116774b-6c2b-2c74-e063-6394a90a49551
197942thiamazole 5 MG Oral TabletSY4116774b-6c2b-2c74-e063-6394a90a49551

Packages#

Package NDC, 11-digit format, Description table
Package NDC11-digit formatDescriptionUnitsMarketing startSampleExclude flagStatus
50268-496-11502680496111 in 1 BLISTER PACKHistorical
50268-496-155026804961550 BLISTER PACK in 1 BOX (50268-496-15) / 1 TABLET in 1 BLISTER PACK (50268-496-11) 50 blister pack2025-10-13NoNoCurrent