Allopurinol

Product NDC: 50090-4663
11-digit product format: 500904663
Labeler code: 50090
Product ID: 50090-4663_4da63803-9e71-4b39-aa85-290e989cd229
Type: HUMAN PRESCRIPTION DRUG
Nonproprietary name: Allopurinol
Dosage form: TABLET
Route: ORAL
Labeler: A-S Medication Solutions
Application: ANDA211820
Marketing category: ANDA
Marketing start: 2019-03-12
Substance: ALLOPURINOL
Active strength: 300 mg/1
Pharmacologic classes: Xanthine Oxidase Inhibitor [EPC], Xanthine Oxidase 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-product	Trade name	Ingredient	Strength	Dosage form / route	TE codes	RLD / RS	Approval date
A211820-001	ALLOPURINOL	ALLOPURINOL	100MG	TABLET / ORAL	AB		2019-03-12
A211820-002	ALLOPURINOL	ALLOPURINOL	300MG	TABLET / ORAL	AB	RS	2019-03-12

Therapeutic equivalence codes#

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

Application-product, TE code table
Application-product	TE code
A211820-001	AB
A211820-002	AB

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 · 82 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	A211820-001	ALLOPURINOL	100MG	TABLET / ORAL	AB		2019-03-12	`011fe1cb6892…`
2026-02-19 14:30 UTC	2026-02	A211820-002	ALLOPURINOL	300MG	TABLET / ORAL	AB	RS	2019-03-12	`011fe1cb6892…`
2025-12-14 10:44 UTC · 2 captures of this ZIP	2025-12	A211820-001	ALLOPURINOL	100MG	TABLET / ORAL	AB		2019-03-12	`31067a03dcf5…`
2025-12-14 10:44 UTC · 2 captures of this ZIP	2025-12	A211820-002	ALLOPURINOL	300MG	TABLET / ORAL	AB	RS	2019-03-12	`31067a03dcf5…`
2025-08-23 18:47 UTC	2025-08	A211820-001	ALLOPURINOL	100MG	TABLET / ORAL	AB		2019-03-12	`6a471c1ec25d…`
2025-08-23 18:47 UTC	2025-08	A211820-002	ALLOPURINOL	300MG	TABLET / ORAL	AB	RS	2019-03-12	`6a471c1ec25d…`
2025-03-22 03:13 UTC · 3 captures of this ZIP	2025-03	A211820-001	ALLOPURINOL	100MG	TABLET / ORAL	AB		2019-03-12	`fd3edfee7708…`
2025-03-22 03:13 UTC · 3 captures of this ZIP	2025-03	A211820-002	ALLOPURINOL	300MG	TABLET / ORAL	AB	RS	2019-03-12	`fd3edfee7708…`
2025-02-26 10:13 UTC · 3 captures of this ZIP	2025-02	A211820-001	ALLOPURINOL	100MG	TABLET / ORAL	AB		2019-03-12	`b8a1b40f171c…`
2025-02-26 10:13 UTC · 3 captures of this ZIP	2025-02	A211820-002	ALLOPURINOL	300MG	TABLET / ORAL	AB	RS	2019-03-12	`b8a1b40f171c…`
2025-01-19 17:59 UTC · 7 captures of this ZIP	2025-01	A211820-001	ALLOPURINOL	100MG	TABLET / ORAL	AB		2019-03-12	`03ed91905a0d…`
2025-01-19 17:59 UTC · 7 captures of this ZIP	2025-01	A211820-002	ALLOPURINOL	300MG	TABLET / ORAL	AB	RS	2019-03-12	`03ed91905a0d…`
2024-12-13 21:23 UTC · 2 captures of this ZIP	2024-12	A211820-001	ALLOPURINOL	100MG	TABLET / ORAL	AB		2019-03-12	`2680178bc6a6…`
2024-12-13 21:23 UTC · 2 captures of this ZIP	2024-12	A211820-002	ALLOPURINOL	300MG	TABLET / ORAL	AB	RS	2019-03-12	`2680178bc6a6…`
2024-09-14 05:58 UTC · 2 captures of this ZIP	2024-09	A211820-001	ALLOPURINOL	100MG	TABLET / ORAL	AB		2019-03-12	`5bbf6a4d5a75…`
2024-09-14 05:58 UTC · 2 captures of this ZIP	2024-09	A211820-002	ALLOPURINOL	300MG	TABLET / ORAL	AB	RS	2019-03-12	`5bbf6a4d5a75…`
2024-11-08 22:44 UTC · 3 captures of this ZIP	2024-11	A211820-001	ALLOPURINOL	100MG	TABLET / ORAL	AB		2019-03-12	`d8e5a09893c0…`
2024-11-08 22:44 UTC · 3 captures of this ZIP	2024-11	A211820-002	ALLOPURINOL	300MG	TABLET / ORAL	AB	RS	2019-03-12	`d8e5a09893c0…`
2024-10-29 15:01 UTC	2024-10	A211820-001	ALLOPURINOL	100MG	TABLET / ORAL	AB		2019-03-12	`d06236e962d9…`
2024-10-29 15:01 UTC	2024-10	A211820-002	ALLOPURINOL	300MG	TABLET / ORAL	AB	RS	2019-03-12	`d06236e962d9…`
2024-08-13 05:28 UTC · 3 captures of this ZIP	2024-08	A211820-001	ALLOPURINOL	100MG	TABLET / ORAL	AB		2019-03-12	`79d66fd596c7…`
2024-08-13 05:28 UTC · 3 captures of this ZIP	2024-08	A211820-002	ALLOPURINOL	300MG	TABLET / ORAL	AB	RS	2019-03-12	`79d66fd596c7…`
2024-07-13 05:37 UTC · 2 captures of this ZIP	2024-07	A211820-001	ALLOPURINOL	100MG	TABLET / ORAL	AB		2019-03-12	`301d65b070ca…`
2024-07-13 05:37 UTC · 2 captures of this ZIP	2024-07	A211820-002	ALLOPURINOL	300MG	TABLET / ORAL	AB	RS	2019-03-12	`301d65b070ca…`
2024-06-18 03:08 UTC · 5 captures of this ZIP	2024-06	A211820-001	ALLOPURINOL	100MG	TABLET / ORAL	AB		2019-03-12	`1e350fbaab3a…`
2024-06-18 03:08 UTC · 5 captures of this ZIP	2024-06	A211820-002	ALLOPURINOL	300MG	TABLET / ORAL	AB	RS	2019-03-12	`1e350fbaab3a…`
2024-05-31 18:47 UTC	2024-05	A211820-001	ALLOPURINOL	100MG	TABLET / ORAL	AB		2019-03-12	`8072bd15b7f6…`
2024-05-31 18:47 UTC	2024-05	A211820-002	ALLOPURINOL	300MG	TABLET / ORAL	AB	RS	2019-03-12	`8072bd15b7f6…`
2022-06-29 02:47 UTC · 2 captures of this ZIP	2022-06	A211820-001	ALLOPURINOL	100MG	TABLET / ORAL	AB		2019-03-12	`5c6f7cd8ea54…`
2022-06-29 02:47 UTC · 2 captures of this ZIP	2022-06	A211820-002	ALLOPURINOL	300MG	TABLET / ORAL	AB		2019-03-12	`5c6f7cd8ea54…`
2022-04-08 23:34 UTC	2022-04	A211820-001	ALLOPURINOL	100MG	TABLET / ORAL	AB		2019-03-12	`5d02ea3f76ae…`
2022-04-08 23:34 UTC	2022-04	A211820-002	ALLOPURINOL	300MG	TABLET / ORAL	AB		2019-03-12	`5d02ea3f76ae…`
2022-04-04 05:41 UTC	2022-04	A211820-001	ALLOPURINOL	100MG	TABLET / ORAL	AB		2019-03-12	`4b0b4de00fa7…`
2022-04-04 05:41 UTC	2022-04	A211820-002	ALLOPURINOL	300MG	TABLET / ORAL	AB		2019-03-12	`4b0b4de00fa7…`
2019-12-13 00:20 UTC	2019-12	A211820-001	ALLOPURINOL	100MG	TABLET / ORAL	AB		2019-03-12	`74a2ff9319b5…`
2019-12-13 00:20 UTC	2019-12	A211820-002	ALLOPURINOL	300MG	TABLET / ORAL	AB		2019-03-12	`74a2ff9319b5…`
2022-03-09 01:35 UTC	2022-03	A211820-001	ALLOPURINOL	100MG	TABLET / ORAL	AB		2019-03-12	`bb7c543d1eb4…`
2022-03-09 01:35 UTC	2022-03	A211820-002	ALLOPURINOL	300MG	TABLET / ORAL	AB		2019-03-12	`bb7c543d1eb4…`
2021-12-28 21:50 UTC	2021-12	A211820-001	ALLOPURINOL	100MG	TABLET / ORAL	AB		2019-03-12	`782e0a99824c…`
2021-12-28 21:50 UTC	2021-12	A211820-002	ALLOPURINOL	300MG	TABLET / ORAL	AB		2019-03-12	`782e0a99824c…`

Observed Orange Book normalized TE history#

Normalized TE history page 1 of 3 · 82 observed states.

Captured, Edition, Application-product table
Captured	Edition	Application-product	TE code	Order	Source SHA-256
2026-02-19 14:30 UTC	2026-02	A211820-001	AB	1	`011fe1cb6892…`
2026-02-19 14:30 UTC	2026-02	A211820-002	AB	1	`011fe1cb6892…`
2025-12-14 10:44 UTC · 2 captures of this ZIP	2025-12	A211820-001	AB	1	`31067a03dcf5…`
2025-12-14 10:44 UTC · 2 captures of this ZIP	2025-12	A211820-002	AB	1	`31067a03dcf5…`
2025-08-23 18:47 UTC	2025-08	A211820-001	AB	1	`6a471c1ec25d…`
2025-08-23 18:47 UTC	2025-08	A211820-002	AB	1	`6a471c1ec25d…`
2025-03-22 03:13 UTC · 3 captures of this ZIP	2025-03	A211820-001	AB	1	`fd3edfee7708…`
2025-03-22 03:13 UTC · 3 captures of this ZIP	2025-03	A211820-002	AB	1	`fd3edfee7708…`
2025-02-26 10:13 UTC · 3 captures of this ZIP	2025-02	A211820-001	AB	1	`b8a1b40f171c…`
2025-02-26 10:13 UTC · 3 captures of this ZIP	2025-02	A211820-002	AB	1	`b8a1b40f171c…`
2025-01-19 17:59 UTC · 7 captures of this ZIP	2025-01	A211820-001	AB	1	`03ed91905a0d…`
2025-01-19 17:59 UTC · 7 captures of this ZIP	2025-01	A211820-002	AB	1	`03ed91905a0d…`
2024-12-13 21:23 UTC · 2 captures of this ZIP	2024-12	A211820-001	AB	1	`2680178bc6a6…`
2024-12-13 21:23 UTC · 2 captures of this ZIP	2024-12	A211820-002	AB	1	`2680178bc6a6…`
2024-09-14 05:58 UTC · 2 captures of this ZIP	2024-09	A211820-001	AB	1	`5bbf6a4d5a75…`
2024-09-14 05:58 UTC · 2 captures of this ZIP	2024-09	A211820-002	AB	1	`5bbf6a4d5a75…`
2024-11-08 22:44 UTC · 3 captures of this ZIP	2024-11	A211820-001	AB	1	`d8e5a09893c0…`
2024-11-08 22:44 UTC · 3 captures of this ZIP	2024-11	A211820-002	AB	1	`d8e5a09893c0…`
2024-10-29 15:01 UTC	2024-10	A211820-001	AB	1	`d06236e962d9…`
2024-10-29 15:01 UTC	2024-10	A211820-002	AB	1	`d06236e962d9…`
2024-08-13 05:28 UTC · 3 captures of this ZIP	2024-08	A211820-001	AB	1	`79d66fd596c7…`
2024-08-13 05:28 UTC · 3 captures of this ZIP	2024-08	A211820-002	AB	1	`79d66fd596c7…`
2024-07-13 05:37 UTC · 2 captures of this ZIP	2024-07	A211820-001	AB	1	`301d65b070ca…`
2024-07-13 05:37 UTC · 2 captures of this ZIP	2024-07	A211820-002	AB	1	`301d65b070ca…`
2024-06-18 03:08 UTC · 5 captures of this ZIP	2024-06	A211820-001	AB	1	`1e350fbaab3a…`
2024-06-18 03:08 UTC · 5 captures of this ZIP	2024-06	A211820-002	AB	1	`1e350fbaab3a…`
2024-05-31 18:47 UTC	2024-05	A211820-001	AB	1	`8072bd15b7f6…`
2024-05-31 18:47 UTC	2024-05	A211820-002	AB	1	`8072bd15b7f6…`
2022-06-29 02:47 UTC · 2 captures of this ZIP	2022-06	A211820-001	AB	1	`5c6f7cd8ea54…`
2022-06-29 02:47 UTC · 2 captures of this ZIP	2022-06	A211820-002	AB	1	`5c6f7cd8ea54…`
2022-04-08 23:34 UTC	2022-04	A211820-001	AB	1	`5d02ea3f76ae…`
2022-04-08 23:34 UTC	2022-04	A211820-002	AB	1	`5d02ea3f76ae…`
2022-04-04 05:41 UTC	2022-04	A211820-001	AB	1	`4b0b4de00fa7…`
2022-04-04 05:41 UTC	2022-04	A211820-002	AB	1	`4b0b4de00fa7…`
2019-12-13 00:20 UTC	2019-12	A211820-001	AB	1	`74a2ff9319b5…`
2019-12-13 00:20 UTC	2019-12	A211820-002	AB	1	`74a2ff9319b5…`
2022-03-09 01:35 UTC	2022-03	A211820-001	AB	1	`bb7c543d1eb4…`
2022-03-09 01:35 UTC	2022-03	A211820-002	AB	1	`bb7c543d1eb4…`
2021-12-28 21:50 UTC	2021-12	A211820-001	AB	1	`782e0a99824c…`
2021-12-28 21:50 UTC	2021-12	A211820-002	AB	1	`782e0a99824c…`

Additional Listing Data#

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

Active Ingredients#

Ingredient, Strength table
Ingredient	Strength
ALLOPURINOL	300 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
197320	Internal RxNorm lookup

Harmonized SPL set identifiers#

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

Identifier, FDA.report destination table
Identifier	FDA.report destination
2caa5246-9422-4826-b926-a2566506d3eb	Available on FDA.report

DailyMed Product Concepts#

Product concept, Relation, Version table
Product concept	Relation	Version	Effective
0ee55bab-4ea8-ac26-c688-380cfbcd5c03	Product name	7	20260127
de89a493-168f-43fa-9852-1f15e00dbb17	Product name	1	20221110
4a2a34d6-1853-423b-9e0c-360370b95802	Product name	1	20171006

FDA-Initiated Inactive NDC Indexing#

NDC, Effective, Related label table
NDC	Effective	Related label
50090-4663-0	2023-10-31	These highlights do not include all the information needed to use ALLOPURINOL TABLETS safely and effectively. See full prescribing information for ALLOPURINOL TABLETS. ALLOPURINOL tablets, for oral use. Initial U.S. Approval:1966
50090-4663-1	2023-10-31	These highlights do not include all the information needed to use ALLOPURINOL TABLETS safely and effectively. See full prescribing information for ALLOPURINOL TABLETS. ALLOPURINOL tablets, for oral use. Initial U.S. Approval:1966
50090-4663-3	2023-10-31	These highlights do not include all the information needed to use ALLOPURINOL TABLETS safely and effectively. See full prescribing information for ALLOPURINOL TABLETS. ALLOPURINOL tablets, for oral use. Initial U.S. Approval:1966
50090-4663-0	2023-01-30	These highlights do not include all the information needed to use ALLOPURINOL TABLETS safely and effectively. See full prescribing information for ALLOPURINOL TABLETS. ALLOPURINOL tablets, for oral use. Initial U.S. Approval:1966
50090-4663-1	2023-01-30	These highlights do not include all the information needed to use ALLOPURINOL TABLETS safely and effectively. See full prescribing information for ALLOPURINOL TABLETS. ALLOPURINOL tablets, for oral use. Initial U.S. Approval:1966
50090-4663-3	2023-01-30	These highlights do not include all the information needed to use ALLOPURINOL TABLETS safely and effectively. See full prescribing information for ALLOPURINOL TABLETS. ALLOPURINOL tablets, for oral use. Initial U.S. Approval:1966

DailyMed Package Descriptions#

Package NDC, Product, Description table
Package NDC	Product	Description	Form	Quantity	SPL version
50090-4663-0	Allopurinol	100 in 1 BOTTLE	TABLET	100	9
50090-4663-1	Allopurinol	30 in 1 BOTTLE	TABLET	30	9
50090-4663-3	Allopurinol	90 in 1 BOTTLE	TABLET	90	9

DailyMed Billing Units#

Package NDC, Billing unit, Product NDC table
Package NDC	Billing unit	Product NDC	DailyMed indexing SPL	SPL version	Effective
50090-4663-0	EA - Each	50090-4663	6626742b-460f-45c9-a973-b01524351ba1	1	2022-12-07
50090-4663-1	EA - Each	50090-4663	7c393b3a-8487-430e-8d28-9a9a06d1e2a2	1	2022-12-07
50090-4663-3	EA - Each	50090-4663	04471428-1a50-47dc-976a-36c28938a1a3	1	2022-12-07

DailyMed Dashboard NDC Coverage#

NDC, Dashboard title, SPL version table
NDC	Dashboard title	SPL version	Validation	Dashboard ZIP
50090-4663	ALLOPURINOL TABLET [A-S MEDICATION SOLUTIONS]	9	Current NDC, Legacy NDC, 3 package rows	20240417_2caa5246-9422-4826-b926-a2566506d3eb.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 · 14 matching rows.

Brand, Generic, Manufacturer table
Brand	Generic	Manufacturer	SPL set ID	Effective date	Available safety fields	Join
Allopurinol	ALLOPURINOL	St. Mary's Medical Park Pharmacy	00b27899-e68f-e9d9-e063-6394a90a88cb	2026-06-03	Warnings, Adverse reactions	Exact identifier application applno (ANDA): 211820 application number: ANDA211820
Allopurinol	ALLOPURINOL	Bryant Ranch Prepack	1f626471-153c-4740-8019-9089ea741684	2026-05-15	Warnings, Adverse reactions	Exact identifier application applno (ANDA): 211820 application number: ANDA211820
Allopurinol	ALLOPURINOL	REMEDYREPACK INC.	36526c80-5a70-47c4-a0a6-785ccc346703	2026-04-15	Warnings, Adverse reactions	Exact identifier application applno (ANDA): 211820 application number: ANDA211820
Allopurinol	ALLOPURINOL	REMEDYREPACK INC.	5ffcbc32-5996-41cd-acdc-cc4af8cdaf4f	2026-04-15	Warnings, Adverse reactions	Exact identifier application applno (ANDA): 211820 application number: ANDA211820
Allopurinol	ALLOPURINOL	Bryant Ranch Prepack	8ae2d634-df53-40a8-a6bd-6fee7dacd754	2026-04-15	Warnings, Adverse reactions	Exact identifier application applno (ANDA): 211820 application number: ANDA211820
Allopurinol	ALLOPURINOL	Direct_Rx	f6c83ee9-c07b-9fc8-e053-6394a90a2160	2026-03-05	Warnings, Adverse reactions	Exact identifier application applno (ANDA): 211820 application number: ANDA211820
Allopurinol	ALLOPURINOL	Preferred Pharmaceuticals Inc.	e11e94b9-d897-48ce-9a80-aa6b8b5fde02	2026-02-17	Warnings, Adverse reactions	Exact identifier application applno (ANDA): 211820 application number: ANDA211820
Allopurinol	ALLOPURINOL	Unichem Pharmaceuticals (USA), Inc.	e3face45-f920-46a0-b707-6a66aa9735bd	2026-02-04	Warnings, Adverse reactions	Exact identifier application applno (ANDA): 211820 application number: ANDA211820
Allopurinol	ALLOPURINOL	A-S Medication Solutions	5efa81be-e2c9-4fb7-bd0d-aeca3920a393	2025-12-30	Warnings, Adverse reactions	Exact identifier application applno (ANDA): 211820 application number: ANDA211820
Allopurinol	ALLOPURINOL	A-S Medication Solutions	f26674cd-d2b7-433c-a593-6a52012b81e3	2025-12-30	Warnings, Adverse reactions	Exact identifier application applno (ANDA): 211820 application number: ANDA211820
Allopurinol	ALLOPURINOL	American Health Packaging	f6f7642b-5046-47d6-b259-0c9f8aed3b34	2025-05-14	Warnings, Adverse reactions	Exact identifier application applno (ANDA): 211820 application number: ANDA211820
Allopurinol	ALLOPURINOL	NuCare Pharmaceuticals,Inc.	faf55184-6962-d49f-e053-6394a90a152e	2025-02-04	Warnings, Adverse reactions	Exact identifier application applno (ANDA): 211820 application number: ANDA211820
Allopurinol	ALLOPURINOL	A-S Medication Solutions	3db4e043-71ff-496a-8087-3fde0e352abf	2024-04-11	Warnings, Adverse reactions	Exact identifier application applno (ANDA): 211820 application number: ANDA211820
Allopurinol	ALLOPURINOL	A-S Medication Solutions	2caa5246-9422-4826-b926-a2566506d3eb	2024-04-11	Warnings, Adverse reactions	Exact identifier application applno (ANDA): 211820 application number: ANDA211820 ndc (product): 50090-4663

UNII, Preferred term, Registry number table
UNII	Preferred term	Registry number	Matched term
63CZ7GJN5I	ALLOPURINOL	315-30-0	ALLOPURINOL

DailyMed RxNorm Mappings#

RxCUI, RxNorm string, TTY table
RxCUI	RxNorm string	TTY	DailyMed	SPL version
197320	allopurinol 300 MG Oral Tablet	PSN	2caa5246-9422-4826-b926-a2566506d3eb	9
197320	allopurinol 300 MG Oral Tablet	SCD	2caa5246-9422-4826-b926-a2566506d3eb	9

Packages#

Package NDC, 11-digit format, Description table
Package NDC	11-digit format	Description	Units	Marketing start	Marketing end	Sample	Exclude flag	Status
50090-4663-0	50090466300	100 TABLET in 1 BOTTLE (50090-4663-0)	100 tablet	2019-10-29	0000-00-00	No	No	Current
50090-4663-1	50090466301	30 TABLET in 1 BOTTLE (50090-4663-1)	30 tablet	2019-10-29	0000-00-00	No	No	Current
50090-4663-3	50090466303	90 TABLET in 1 BOTTLE (50090-4663-3)	90 tablet	2019-10-29	0000-00-00	No	No	Current