NITROGEN

Product NDC: 44397-020
11-digit product format: 443970020
Labeler code: 44397
Product ID: 44397-020_2ad3a940-2916-494c-8e9f-187916626074
Type: HUMAN PRESCRIPTION DRUG
Nonproprietary name: NITROGEN
Dosage form: GAS
Route: RESPIRATORY (INHALATION)
Labeler: Argyle Welding Supply Co. Inc.
Marketing category: UNAPPROVED MEDICAL GAS
Marketing start: 1974-01-01
Marketing end: 0000-00-00
Substance: NITROGEN
Active strength: 99 L/100L
NDC exclude flag: E
Listing certified through: 2017-12-31
Current FDA listing: Historical FDA.report record

NDC auxiliary status#

These records are reproduced from FDA’s unfinished, excluded, and compounder listings. They describe what appeared in the source files; a missing record does not establish a regulatory status. View all current auxiliary records, including entries without an NDC. · View the auxiliary file history.

Current NDC status page 1 of 1 · 8 matching rows.

Dataset, Scope, Product NDC table
Dataset	Scope	Product NDC	Package NDC	Code	Status	Source date
excluded product	product	44397-020		D	Discontinued by firm	2026-10-05
excluded package	package	44397-020	44397-020-01	D	Discontinued by firm	2026-10-05
excluded package	package	44397-020	44397-020-02	D	Discontinued by firm	2026-10-05
excluded package	package	44397-020	44397-020-03	D	Discontinued by firm	2026-10-05
excluded package	package	44397-020	44397-020-04	D	Discontinued by firm	2026-10-05
excluded package	package	44397-020	44397-020-05	D	Discontinued by firm	2026-10-05
excluded package	package	44397-020	44397-020-06	D	Discontinued by firm	2026-10-05
excluded package	package	44397-020	44397-020-07	D	Discontinued by firm	2026-10-05

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 2 · 120 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	44397-020-05	`d630ba8d3edf…`	`732f749b63fb…`
2025-12-14 17:58 UTC · source 2025-12-05	excluded package	package	44397-020-03	`d630ba8d3edf…`	`732f749b63fb…`
2025-12-14 17:58 UTC · source 2025-12-05	excluded package	package	44397-020-01	`d630ba8d3edf…`	`732f749b63fb…`
2025-12-14 17:58 UTC · source 2025-12-05	excluded package	package	44397-020-04	`d630ba8d3edf…`	`732f749b63fb…`
2025-12-14 17:58 UTC · source 2025-12-05	excluded package	package	44397-020-07	`d630ba8d3edf…`	`732f749b63fb…`
2025-12-14 17:58 UTC · source 2025-12-05	excluded package	package	44397-020-06	`d630ba8d3edf…`	`732f749b63fb…`
2025-12-14 17:58 UTC · source 2025-12-05	excluded package	package	44397-020-02	`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	44397-020-05	`f5e01cc5f278…`	`a2eaf40c39c3…`
2025-08-27 00:01 UTC · source 2025-08-26	excluded package	package	44397-020-03	`f5e01cc5f278…`	`a2eaf40c39c3…`
2025-08-27 00:01 UTC · source 2025-08-26	excluded package	package	44397-020-01	`f5e01cc5f278…`	`a2eaf40c39c3…`
2025-08-27 00:01 UTC · source 2025-08-26	excluded package	package	44397-020-04	`f5e01cc5f278…`	`a2eaf40c39c3…`
2025-08-27 00:01 UTC · source 2025-08-26	excluded package	package	44397-020-07	`f5e01cc5f278…`	`a2eaf40c39c3…`
2025-08-27 00:01 UTC · source 2025-08-26	excluded package	package	44397-020-06	`f5e01cc5f278…`	`a2eaf40c39c3…`
2025-08-27 00:01 UTC · source 2025-08-26	excluded package	package	44397-020-02	`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	44397-020-05	`2ef7874e63bc…`	`57b86245f4fa…`
2025-04-01 02:39 UTC · source 2025-03-31	excluded package	package	44397-020-03	`2ef7874e63bc…`	`57b86245f4fa…`
2025-04-01 02:39 UTC · source 2025-03-31	excluded package	package	44397-020-01	`2ef7874e63bc…`	`57b86245f4fa…`
2025-04-01 02:39 UTC · source 2025-03-31	excluded package	package	44397-020-04	`2ef7874e63bc…`	`57b86245f4fa…`
2025-04-01 02:39 UTC · source 2025-03-31	excluded package	package	44397-020-07	`2ef7874e63bc…`	`57b86245f4fa…`
2025-04-01 02:39 UTC · source 2025-03-31	excluded package	package	44397-020-06	`2ef7874e63bc…`	`57b86245f4fa…`
2025-04-01 02:39 UTC · source 2025-03-31	excluded package	package	44397-020-02	`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	44397-020-05	`a1b67e2a42f9…`	`c4cf2c586c0d…`
2025-03-28 20:22 UTC · source 2025-03-28	excluded package	package	44397-020-03	`a1b67e2a42f9…`	`c4cf2c586c0d…`
2025-03-28 20:22 UTC · source 2025-03-28	excluded package	package	44397-020-01	`a1b67e2a42f9…`	`c4cf2c586c0d…`
2025-03-28 20:22 UTC · source 2025-03-28	excluded package	package	44397-020-04	`a1b67e2a42f9…`	`c4cf2c586c0d…`
2025-03-28 20:22 UTC · source 2025-03-28	excluded package	package	44397-020-07	`a1b67e2a42f9…`	`c4cf2c586c0d…`
2025-03-28 20:22 UTC · source 2025-03-28	excluded package	package	44397-020-06	`a1b67e2a42f9…`	`c4cf2c586c0d…`
2025-03-28 20:22 UTC · source 2025-03-28	excluded package	package	44397-020-02	`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	44397-020-05	`cfe11265f3b6…`	`090c488252e2…`
2025-03-22 03:12 UTC · source 2025-03-21	excluded package	package	44397-020-03	`cfe11265f3b6…`	`090c488252e2…`
2025-03-22 03:12 UTC · source 2025-03-21	excluded package	package	44397-020-01	`cfe11265f3b6…`	`090c488252e2…`
2025-03-22 03:12 UTC · source 2025-03-21	excluded package	package	44397-020-04	`cfe11265f3b6…`	`090c488252e2…`
2025-03-22 03:12 UTC · source 2025-03-21	excluded package	package	44397-020-07	`cfe11265f3b6…`	`090c488252e2…`
2025-03-22 03:12 UTC · source 2025-03-21	excluded package	package	44397-020-06	`cfe11265f3b6…`	`090c488252e2…`
2025-03-22 03:12 UTC · source 2025-03-21	excluded package	package	44397-020-02	`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	44397-020-05	`cdf11ea48f46…`	`ba0047e9e063…`
2025-03-10 12:48 UTC · source 2025-03-10	excluded package	package	44397-020-03	`cdf11ea48f46…`	`ba0047e9e063…`
2025-03-10 12:48 UTC · source 2025-03-10	excluded package	package	44397-020-01	`cdf11ea48f46…`	`ba0047e9e063…`
2025-03-10 12:48 UTC · source 2025-03-10	excluded package	package	44397-020-04	`cdf11ea48f46…`	`ba0047e9e063…`
2025-03-10 12:48 UTC · source 2025-03-10	excluded package	package	44397-020-07	`cdf11ea48f46…`	`ba0047e9e063…`
2025-03-10 12:48 UTC · source 2025-03-10	excluded package	package	44397-020-06	`cdf11ea48f46…`	`ba0047e9e063…`
2025-03-10 12:48 UTC · source 2025-03-10	excluded package	package	44397-020-02	`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	44397-020-05	`302b2466d912…`	`e7b80fea0513…`
2025-02-02 03:52 UTC · source 2025-01-31	excluded package	package	44397-020-03	`302b2466d912…`	`e7b80fea0513…`
2025-02-02 03:52 UTC · source 2025-01-31	excluded package	package	44397-020-01	`302b2466d912…`	`e7b80fea0513…`
2025-02-02 03:52 UTC · source 2025-01-31	excluded package	package	44397-020-04	`302b2466d912…`	`e7b80fea0513…`
2025-02-02 03:52 UTC · source 2025-01-31	excluded package	package	44397-020-07	`302b2466d912…`	`e7b80fea0513…`
2025-02-02 03:52 UTC · source 2025-01-31	excluded package	package	44397-020-06	`302b2466d912…`	`e7b80fea0513…`
2025-02-02 03:52 UTC · source 2025-01-31	excluded package	package	44397-020-02	`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	44397-020-05	`ed331223b511…`	`672a5bd82f5f…`
2025-01-20 13:05 UTC · source 2025-01-20	excluded package	package	44397-020-03	`ed331223b511…`	`672a5bd82f5f…`
2025-01-20 13:05 UTC · source 2025-01-20	excluded package	package	44397-020-01	`ed331223b511…`	`672a5bd82f5f…`

Reported adverse events (FAERS/openFDA)#

Adverse event summaries are temporarily unavailable. Other product information remains available.

FDA-Initiated Inactive NDC Indexing#

NDC, Effective, Related label table
NDC	Effective	Related label
44397-020-01	2021-12-20	f8e83976-2868-4561-973a-dc7d8e8a7617
44397-020-02	2021-12-20	f8e83976-2868-4561-973a-dc7d8e8a7617
44397-020-03	2021-12-20	f8e83976-2868-4561-973a-dc7d8e8a7617
44397-020-04	2021-12-20	f8e83976-2868-4561-973a-dc7d8e8a7617
44397-020-05	2021-12-20	f8e83976-2868-4561-973a-dc7d8e8a7617
44397-020-06	2021-12-20	f8e83976-2868-4561-973a-dc7d8e8a7617
44397-020-07	2021-12-20	f8e83976-2868-4561-973a-dc7d8e8a7617
44397-020-01	2019-10-21	f8e83976-2868-4561-973a-dc7d8e8a7617
44397-020-02	2019-10-21	f8e83976-2868-4561-973a-dc7d8e8a7617
44397-020-03	2019-10-21	f8e83976-2868-4561-973a-dc7d8e8a7617
44397-020-04	2019-10-21	f8e83976-2868-4561-973a-dc7d8e8a7617
44397-020-05	2019-10-21	f8e83976-2868-4561-973a-dc7d8e8a7617
44397-020-06	2019-10-21	f8e83976-2868-4561-973a-dc7d8e8a7617
44397-020-07	2019-10-21	f8e83976-2868-4561-973a-dc7d8e8a7617

DailyMed Socrata Ingredients#

Ingredient, Type, UNII table
Ingredient	Type	UNII	DailyMed label	SPL version	Uploaded
NITROGEN	ACTIVE INGREDIENT	N762921K75	NITROGEN GAS [ARGYLE WELDING SUPPLY CO. INC.]	1
NITROGEN	ACTIVE MOIETY	N762921K75	NITROGEN GAS [ARGYLE WELDING SUPPLY CO. INC.]	1

UNII, Preferred term, Registry number table
UNII	Preferred term	Registry number	Matched term
N762921K75	NITROGEN	7727-37-9	NITROGEN

Title, Manufacturer, Effective date table
Title	Manufacturer	Effective date	Type	Version
NITROGEN - Argyle Welding Supply Co. Inc.	Argyle Welding Supply Co. Inc.	2010-01-01	HUMAN PRESCRIPTION DRUG LABEL	1

NITROGEN

NDC auxiliary status#

Observed NDC auxiliary status history#

Reported adverse events (FAERS/openFDA)#

FDA-Initiated Inactive NDC Indexing#

DailyMed Socrata Ingredients#

Related Records#

Related UNII Ingredients#

Related DailyMed Labels#