Pterina

Pterin - substituted bicyclic heterocyclic compound derived from pteridine. Article “Pterina” in Portuguese Wikipedia has 39 points for quality (as of July 1, 2025). The article contains 9 references and 6 sections.

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

Since the creation of article “Pterina”, its content was written by 4 registered users of Portuguese Wikipedia and edited by 147 registered Wikipedia users in all languages.

The article is cited 11 times in Portuguese Wikipedia and cited 312 times in all languages.

The highest Authors Interest rank from 2001:

• Local (Portuguese): #27663 in September 2011
• Global: #101590 in September 2011

The highest popularity rank from 2008:

• Local (Portuguese): #197859 in October 2016
• Global: #226890 in May 2015

There are 18 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) Pterin		58.6684
2	Dutch (nl) Pterine		47.0584
3	Chinese (zh) 蝶呤		44.1101
4	Galician (gl) Pterina		43.2638
5	Portuguese (pt) Pterina		38.9954
6	Korean (ko) 프테린		35.0275
7	German (de) Pterin		34.2837
8	Arabic (ar) بتيرين		32.7718
9	Serbo-Croatian (sh) Pterin		30.2356
10	French (fr) Ptérine		28.3715

More...

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

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

#	Language	Popularity award	Relative popularity
1	English (en) Pterin		202 432
2	German (de) Pterin		42 317
3	Japanese (ja) プテリン		28 631
4	Italian (it) Pterina		18 952
5	Spanish (es) Pterina		12 662
6	French (fr) Ptérine		11 809
7	Chinese (zh) 蝶呤		11 646
8	Russian (ru) Птерин		11 598
9	Portuguese (pt) Pterina		8 095
10	Persian (fa) پترین		2 802

More...

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 "Pterina" in June 2025

#	Language	Popularity award	Relative popularity
1	English (en) Pterin		527
2	Chinese (zh) 蝶呤		128
3	German (de) Pterin		108
4	Italian (it) Pterina		61
5	Japanese (ja) プテリン		60
6	Russian (ru) Птерин		50
7	French (fr) Ptérine		36
8	Spanish (es) Pterina		29
9	Korean (ko) 프테린		20
10	Dutch (nl) Pterine		13

More...

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

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

#	Language	AI award	Relative AI
1	English (en) Pterin		44
2	German (de) Pterin		34
3	French (fr) Ptérine		16
4	Italian (it) Pterina		12
5	Japanese (ja) プテリン		8
6	Chinese (zh) 蝶呤		6
7	Catalan (ca) Pterina		5
8	Portuguese (pt) Pterina		4
9	Spanish (es) Pterina		3
10	Dutch (nl) Pterine		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 "Pterina" with the highest AI in June 2025

#	Language	AI award	Relative AI
1	Dutch (nl) Pterine		3
2	English (en) Pterin		2
3	Galician (gl) Pterina		1
4	Arabic (ar) بتيرين		0
5	Catalan (ca) Pterina		0
6	German (de) Pterin		0
7	Spanish (es) Pterina		0
8	Persian (fa) پترین		0
9	French (fr) Ptérine		0
10	Italian (it) Pterina		0

More...

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

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

#	Language	CI award	Relative CI
1	Chinese (zh) 蝶呤		116
2	English (en) Pterin		51
3	Italian (it) Pterina		24
4	German (de) Pterin		18
5	French (fr) Ptérine		14
6	Serbo-Croatian (sh) Pterin		12
7	Serbian (sr) Pterin		12
8	Japanese (ja) プテリン		11
9	Portuguese (pt) Pterina		11
10	Arabic (ar) بتيرين		7

More...

#	Language	Value
ar	Arabic بتيرين
ca	Catalan Pterina
de	German Pterin
en	English Pterin
es	Spanish Pterina
fa	Persian پترین
fr	French Ptérine
gl	Galician Pterina
it	Italian Pterina
ja	Japanese プテリン
ko	Korean 프테린
nl	Dutch Pterine
pt	Portuguese Pterina
ro	Romanian Pterină
ru	Russian Птерин
sh	Serbo-Croatian Pterin
sr	Serbian Pterin
zh	Chinese 蝶呤

Best Rank

Portuguese: #197859 10.2016

Global: #226890 05.2015

Best Rank

Portuguese: #27663 09.2011

Global: #101590 09.2011

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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