NNK

4-(N-nitrosomethylamino)-1-(3-pyridyl)-1-butanone - chemical compound. Article “NNK” in English Wikipedia has 39.4 points for quality (as of July 1, 2025). The article contains 21 references and 12 sections. The article also contains templates indicating quality issues, therefore its score was reduced by 2.07 points.

In this language version of Wikipedia the article has the best quality. Also, this article is the most popular in that (English) language version.

Since the creation of article “NNK”, its content was written by 46 registered users of English Wikipedia and edited by 71 registered Wikipedia users in all languages.

The article is cited 24 times in English Wikipedia and cited 50 times in all languages.

The highest Authors Interest rank from 2001:

• Local (English): #65556 in August 2018
• Global: #88235 in September 2024

The highest popularity rank from 2008:

• Local (English): #287077 in June 2009
• Global: #446087 in June 2009

There are 6 language versions for this article in the WikiRank database (of the considered 55 Wikipedia language editions).

The quality and popularity assessment was based on Wikipédia dumps from July 1, 2025 (including revision history and pageviews for previous years).

The table below shows the language versions of the article with the highest quality.

#	Language	Quality grade	Quality score
1	English (en) NNK		39.3981
2	German (de) 4-(N-Nitrosomethylamino)-1-(3-pyridyl)-1-butanon		34.3517
3	Italian (it) Chetone nicotina-derivato della nitrosammina		29.6306
4	Chinese (zh) NNK (化合物)		11.4959
5	Persian (fa) ان‌ان‌ک		3.7835
6	Japanese (ja) 4-(メチルニトロソアミノ)-1-(3-ピリジル)-1-ブタノン		2.4867

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The following table shows the most popular language versions of the article.

The most popular language versions of the article "NNK" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) NNK		327 740
2	Japanese (ja) 4-(メチルニトロソアミノ)-1-(3-ピリジル)-1-ブタノン		14 703
3	Italian (it) Chetone nicotina-derivato della nitrosammina		3 538
4	Persian (fa) ان‌ان‌ک		1 630
5	Chinese (zh) NNK (化合物)		1 226
6	German (de) 4-(N-Nitrosomethylamino)-1-(3-pyridyl)-1-butanon		458

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The following table shows the language versions of the article with the highest popularity in the last month.

The most popular language versions of the article "NNK" in June 2025

#	Language	Popularity award	Relative popularity
1	English (en) NNK		983
2	Chinese (zh) NNK (化合物)		40
3	Japanese (ja) 4-(メチルニトロソアミノ)-1-(3-ピリジル)-1-ブタノン		35
4	Italian (it) Chetone nicotina-derivato della nitrosammina		28
5	German (de) 4-(N-Nitrosomethylamino)-1-(3-pyridyl)-1-butanon		14
6	Persian (fa) ان‌ان‌ک		4

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The following table shows the language versions of the article with the highest Authors’ Interest.

Language versions of the article "NNK" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.

#	Language	AI award	Relative AI
1	English (en) NNK		46
2	German (de) 4-(N-Nitrosomethylamino)-1-(3-pyridyl)-1-butanon		7
3	Italian (it) Chetone nicotina-derivato della nitrosammina		7
4	Persian (fa) ان‌ان‌ک		4
5	Chinese (zh) NNK (化合物)		4
6	Japanese (ja) 4-(メチルニトロソアミノ)-1-(3-ピリジル)-1-ブタノン		3

More...

The following table shows the language versions of the article with the highest Authors’ Interest in the last month.

Language versions of the article "NNK" with the highest AI in June 2025

#	Language	AI award	Relative AI
1	German (de) 4-(N-Nitrosomethylamino)-1-(3-pyridyl)-1-butanon		0
2	English (en) NNK		0
3	Persian (fa) ان‌ان‌ک		0
4	Italian (it) Chetone nicotina-derivato della nitrosammina		0
5	Japanese (ja) 4-(メチルニトロソアミノ)-1-(3-ピリジル)-1-ブタノン		0
6	Chinese (zh) NNK (化合物)		0

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The following table shows the language versions of the article with the highest number of citations.

Language versions of the article "NNK" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	English (en) NNK		24
2	Italian (it) Chetone nicotina-derivato della nitrosammina		8
3	Japanese (ja) 4-(メチルニトロソアミノ)-1-(3-ピリジル)-1-ブタノン		6
4	Chinese (zh) NNK (化合物)		6
5	German (de) 4-(N-Nitrosomethylamino)-1-(3-pyridyl)-1-butanon		3
6	Persian (fa) ان‌ان‌ک		3

More...

#	Language	Value
de	German 4-(N-Nitrosomethylamino)-1-(3-pyridyl)-1-butanon
en	English NNK
fa	Persian ان‌ان‌ک
it	Italian Chetone nicotina-derivato della nitrosammina
ja	Japanese 4-(メチルニトロソアミノ)-1-(3-ピリジル)-1-ブタノン
zh	Chinese NNK (化合物)

Best Rank

English: #287077 06.2009

Global: #446087 06.2009

Best Rank

English: #65556 08.2018

Global: #88235 09.2024

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In English Wikipedia the most popular articles on that day were: 98th Academy Awards, Michael B. Jordan, Paul Thomas Anderson, Jessie Buckley, Sinners (2025 film), Amy Madigan, Autumn Durald Arkapaw, Maya Rudolph, Sean Penn, Academy Awards.

The WikiRank project is intended for automatic relative evaluation of the articles in the various language versions of Wikipedia. At the moment the service allows to compare over 44 million Wikipedia articles in 55 languages. Quality scores of articles are based on Wikipedia dumps from July, 2025. When calculating current popularity and AI of articles data from June 2025 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2025... More information