Home NDC 51655-546 Allopurinol
Product NDC 51655-546
11-digit product format 516550546
Labeler code 51655
Product ID 51655-546_4a2a4f63-133c-8b7a-e063-6294a90a0a5e
Type HUMAN PRESCRIPTION DRUG
Nonproprietary name allopurinol
Dosage form TABLET
Route ORAL
Labeler Northwind Health Company, LLC
Application ANDA071586
Marketing category ANDA
Marketing start 2023-06-08
Substance ALLOPURINOL
Active strength 100 mg/1
Pharmacologic classes Xanthine Oxidase Inhibitor [EPC], Xanthine Oxidase Inhibitors [MoA]
NDC exclude flag No
Listing certified through 2027-12-31
Current FDA listing Yes Source provenance: Browse the complete Orange Book source catalog .
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 · 41 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 2026-02-19 14:30 UTC 2026-02 A071586-001 LOPURIN 100MG TABLET / ORAL AB 1987-04-02 011fe1cb6892…2025-12-14 10:44 UTC · 2 captures of this ZIP 2025-12 A071586-001 LOPURIN 100MG TABLET / ORAL AB 1987-04-02 31067a03dcf5…2025-08-23 18:47 UTC 2025-08 A071586-001 LOPURIN 100MG TABLET / ORAL AB 1987-04-02 6a471c1ec25d…2025-03-22 03:13 UTC · 3 captures of this ZIP 2025-03 A071586-001 LOPURIN 100MG TABLET / ORAL AB 1987-04-02 fd3edfee7708…2025-02-26 10:13 UTC · 3 captures of this ZIP 2025-02 A071586-001 LOPURIN 100MG TABLET / ORAL AB 1987-04-02 b8a1b40f171c…2025-01-19 17:59 UTC · 7 captures of this ZIP 2025-01 A071586-001 LOPURIN 100MG TABLET / ORAL AB 1987-04-02 03ed91905a0d…2024-12-13 21:23 UTC · 2 captures of this ZIP 2024-12 A071586-001 LOPURIN 100MG TABLET / ORAL AB 1987-04-02 2680178bc6a6…2024-09-14 05:58 UTC · 2 captures of this ZIP 2024-09 A071586-001 LOPURIN 100MG TABLET / ORAL AB 1987-04-02 5bbf6a4d5a75…2024-11-08 22:44 UTC · 3 captures of this ZIP 2024-11 A071586-001 LOPURIN 100MG TABLET / ORAL AB 1987-04-02 d8e5a09893c0…2024-10-29 15:01 UTC 2024-10 A071586-001 LOPURIN 100MG TABLET / ORAL AB 1987-04-02 d06236e962d9…2024-08-13 05:28 UTC · 3 captures of this ZIP 2024-08 A071586-001 LOPURIN 100MG TABLET / ORAL AB 1987-04-02 79d66fd596c7…2024-07-13 05:37 UTC · 2 captures of this ZIP 2024-07 A071586-001 LOPURIN 100MG TABLET / ORAL AB 1987-04-02 301d65b070ca…2024-06-18 03:08 UTC · 5 captures of this ZIP 2024-06 A071586-001 LOPURIN 100MG TABLET / ORAL AB 1987-04-02 1e350fbaab3a…2024-05-31 18:47 UTC 2024-05 A071586-001 LOPURIN 100MG TABLET / ORAL AB 1987-04-02 8072bd15b7f6…2022-06-29 02:47 UTC · 2 captures of this ZIP 2022-06 A071586-001 LOPURIN 100MG TABLET / ORAL AB 1987-04-02 5c6f7cd8ea54…2022-04-08 23:34 UTC 2022-04 A071586-001 LOPURIN 100MG TABLET / ORAL AB 1987-04-02 5d02ea3f76ae…2022-04-04 05:41 UTC 2022-04 A071586-001 LOPURIN 100MG TABLET / ORAL AB 1987-04-02 4b0b4de00fa7…2019-12-13 00:20 UTC 2019-12 A071586-001 LOPURIN 100MG TABLET / ORAL AB 1987-04-02 74a2ff9319b5…2022-03-09 01:35 UTC 2022-03 A071586-001 LOPURIN 100MG TABLET / ORAL AB 1987-04-02 bb7c543d1eb4…2021-12-28 21:50 UTC 2021-12 A071586-001 LOPURIN 100MG TABLET / ORAL AB 1987-04-02 782e0a99824c…2021-05-05 16:15 UTC · 3 captures of this ZIP 2021-05 A071586-001 LOPURIN 100MG TABLET / ORAL AB 1987-04-02 87673890dc5c…2021-03-12 10:30 UTC 2021-03 A071586-001 LOPURIN 100MG TABLET / ORAL AB 1987-04-02 5aa47cf7b7d7…2020-12-22 03:56 UTC 2020-12 A071586-001 LOPURIN 100MG TABLET / ORAL AB 1987-04-02 8869cabd3fbd…2020-11-12 02:37 UTC 2020-11 A071586-001 LOPURIN 100MG TABLET / ORAL AB 1987-04-02 c0c555d07b60…2019-12-14 00:12 UTC 2019-12 A071586-001 LOPURIN 100MG TABLET / ORAL AB 1987-04-02 3f01610625f2…2019-09-15 20:21 UTC 2019-09 A071586-001 LOPURIN 100MG TABLET / ORAL AB 1987-04-02 b00525d2431f…2019-07-19 19:46 UTC 2019-07 A071586-001 LOPURIN 100MG TABLET / ORAL AB 1987-04-02 ea99ee380514…2024-03-16 18:09 UTC · 4 captures of this ZIP 2024-03 A071586-001 LOPURIN 100MG TABLET / ORAL AB 1987-04-02 6a51e52b5d6a…2024-02-18 07:12 UTC 2024-02 A071586-001 LOPURIN 100MG TABLET / ORAL AB 1987-04-02 1c564ffb4f44…2023-12-20 04:57 UTC 2023-12 A071586-001 LOPURIN 100MG TABLET / ORAL AB 1987-04-02 ea1830bbd6c7…2023-11-28 05:40 UTC · 2 captures of this ZIP 2023-11 A071586-001 LOPURIN 100MG TABLET / ORAL AB 1987-04-02 a72a2bbeb626…2023-10-25 00:34 UTC · 2 captures of this ZIP 2023-10 A071586-001 LOPURIN 100MG TABLET / ORAL AB 1987-04-02 9b2671bbb829…2023-07-15 15:27 UTC · 2 captures of this ZIP 2023-07 A071586-001 LOPURIN 100MG TABLET / ORAL AB 1987-04-02 a67488948f0b…2023-06-13 01:57 UTC · 3 captures of this ZIP 2023-06 A071586-001 LOPURIN 100MG TABLET / ORAL AB 1987-04-02 3f0d92c62455…2023-05-13 08:27 UTC 2023-05 A071586-001 LOPURIN 100MG TABLET / ORAL AB 1987-04-02 053a50430f4f…2023-01-26 05:58 UTC 2023-01 A071586-001 LOPURIN 100MG TABLET / ORAL AB 1987-04-02 3bdfa0b2c4d7…2022-11-12 20:34 UTC · 5 captures of this ZIP 2022-11 A071586-001 LOPURIN 100MG TABLET / ORAL AB 1987-04-02 3a93d1ddd44b…2022-10-28 04:53 UTC 2022-10 A071586-001 LOPURIN 100MG TABLET / ORAL AB 1987-04-02 f41ea6bd6efb…2022-09-29 23:25 UTC 2022-09 A071586-001 LOPURIN 100MG TABLET / ORAL AB 1987-04-02 e64feba35796…2022-07-09 03:26 UTC · 3 captures of this ZIP 2022-07 A071586-001 LOPURIN 100MG TABLET / ORAL AB 1987-04-02 cb3db0bc1861…
Observed Orange Book normalized TE history# Normalized TE history page 1 of 2 · 41 observed states.
Reported adverse events (FAERS/openFDA)# Adverse event summaries are temporarily unavailable. Other product information remains available.
Additional Listing Data#
Finished product Yes
Brand name base Allopurinol
Listing expiration 2027-12-31 Active Ingredients# Ingredient, Strength table Ingredient Strength ALLOPURINOL 100 mg/1
Harmonized UNII identifiers# UNII identifiers page 1 of 1 · 1 matching rows.
Identifier, FDA.report destination table Identifier FDA.report destination 63CZ7GJN5I Internal UNII lookup
Harmonized RxCUI identifiers# RxCUI identifiers page 1 of 1 · 1 matching rows.
Identifier, FDA.report destination table Identifier FDA.report destination 197319 Internal RxNorm lookup
Harmonized SPL set identifiers# SPL set identifiers page 1 of 1 · 1 matching rows.
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 51655-546-26 Allopurinol 90 in 1 BOTTLE, PLASTIC TABLET 90 3 51655-546-52 Allopurinol 30 in 1 BOTTLE, PLASTIC TABLET 30 3
DailyMed Dashboard NDC Coverage# NDC, Dashboard title, SPL version table NDC Dashboard title SPL version Validation Dashboard ZIP 51655-546 ALLOPURINOL TABLET [NORTHWIND PHARMACEUTICALS, LLC] 1 Current NDC, 2 package rows 20240127_fe06da1b-c493-e238-e053-6294a90a9195.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 · 3 matching rows.
DailyMed RxNorm Mappings# Packages# Package NDC, 11-digit format, Description table Package NDC 11-digit format Description Units Marketing start Sample Exclude flag Status 51655-546-26 51655054626 90 TABLET in 1 BOTTLE, PLASTIC (51655-546-26) 90 tablet 2023-10-04 No No Current 51655-546-52 51655054652 30 TABLET in 1 BOTTLE, PLASTIC (51655-546-52) 30 tablet 2023-06-08 No No Current