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Chemical Abstracts Service (CAS) is a division of the American Chemical Society. It is a source of chemical information and is located in Columbus, Ohio , United States . Print periodicals
Screenshot of the CAS Common Chemistry database with information about caffeine ().. A CAS Registry Number [1] (also referred to as CAS RN [2] or informally CAS Number) is a unique identification number, assigned by the Chemical Abstracts Service (CAS) in the US to every chemical substance described in the open scientific literature, in order to index the substance in the CAS Registry.
Test administrators or proctors are also not allowed to read aloud to the student any of the questions, passages, prompts, or answer choices in the English language or their first language during the test. Georgia: Georgia Department of Education: Criterion-Referenced Competency Tests (retired) Georgia Milestones: End of Course Test(grades 9-12)
CAS, a 2018 album by Lúnasa, an Irish Celtic band; Cas (people), an ancient people near the Caspian Sea; Cas (name), a list of people (and a mythological hero) with the given name, nickname or surname; Cas guava (Psidium friedrichsthalianum), a Costa Rican guava species; Cas Cay, an island in St. Thomas, United States Virgin Islands
The United States of America is a federal republic [1] consisting of 50 states, a federal district (Washington, D.C., the capital city of the United States), five major territories, and various minor islands. [2] [3] Both the states and the United States as a whole are each sovereign jurisdictions. [4]
Prior to 1987, when the U.S. Secretary of Commerce approved the two-letter codes for use in government documents, [13] the United States Government Printing Office (GPO) suggested its own set of abbreviations, with some states left unabbreviated. Today, the GPO supports United States Postal Service standard. [14]
The following table is a list of all 50 states and their respective dates of statehood. The first 13 became states in July 1776 upon agreeing to the United States Declaration of Independence, and each joined the first Union of states between 1777 and 1781, upon ratifying the Articles of Confederation, its first constitution. [6]
This is an accepted version of this page This is the latest accepted revision, reviewed on 7 February 2025. U.S. state This article is about the U.S. state. For other uses, see Pennsylvania (disambiguation). "Penn." redirects here. For other uses, see Penn. State in the United States Pennsylvania Pennsilfaani (Pennsylvania Dutch) State Commonwealth of Pennsylvania Flag Seal Nickname: The ...