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WikiCards · Card list · Science cards · CAS Registry Number

Uncommon card · Science

CAS Registry Number, an Uncommon card

A CAS Registry Number is a unique identification number, assigned by the Chemical Abstracts Service in the US to every chemical substance described in the open scientific literature, in order to index the substance in the CAS Registry.

From the Wikipedia article

Rarity
Uncommon
Domain
Science
ATK
60
DEF
34
Power
94
Wikipedia reads a year
72,000

Power 94 (ATK + DEF): stronger than 35 % of WikiCards cards.

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CAS Registry Number quiz: 3 questions

Three questions on the CAS Registry Number card, the way WikiCards duels ask them. Pick an answer, the facts are just below.

  1. Find the missing word

    This registry includes all ______ described since 1957, plus some substances from as far back as the early 1800s.

    Answer

    substances. This registry includes all substances described since 1957, plus some substances from as far back as the early 1800s. From the CAS Registry Number article on Wikipedia.

  2. Which of these cards hits hardest (highest ATK)?

    Answer

    CAS Registry Number. CAS Registry Number 60 · Aerobics 57 · Zamin Ki Dost 53 · Alluvium 50 ATK in WikiCards.

  3. Which of these Wikipedia articles is read the most in a year?

    Answer

    Nahui Ollin. Nahui Ollin 16,000,000 · CAS Registry Number 72,000 · Zamin Ki Dost 260 · Jerzy Bojańczyk's Brewery 65 Wikipedia reads over a year.

In a duel, each round asks a question like these about the opposing card, with 15 seconds to answer.

The facts on the card

The card carries these facts from its Wikipedia article.

Why it is Uncommon

Rarity in WikiCards follows a year of Wikipedia page views: the most read articles become Epic and Legendary cards. The CAS Registry Number article was read about 72,000 times in a year. ATK comes from the length of the article and DEF from its quality, so this card hits with 60 and blocks with 34: each hit it takes is cut by 14 %.

How to get CAS Registry Number

Open packs. Each pack holds five cards drawn from real Wikipedia articles, the rarest last, and the fifth card is always Rare or better. The odds are shown in the game. A free pack arrives every hour and two can wait, and the Coins you win in duels buy more packs.

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Cards close in power

The cards just above and just below CAS Registry Number in the power ranking, all domains together.

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Credits

Text : Wikipedia, CAS Registry Number (revision), CC BY-SA 4.0. Photo : I am one of the co-authors of this article, but several more. The screenshot was not origi, CC BY 4.0, Wikimedia Commons.

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