- Periodic Table of Elements - PubChem
Interactive periodic table with up-to-date element property data collected from authoritative sources Look up chemical element names, symbols, atomic masses and other properties, visualize trends, or even test your elements knowledge by playing a periodic table game!
- PubChem
PubChem is the world's largest collection of freely accessible chemical information Search chemicals by name, molecular formula, structure, and other identifiers Find chemical and physical properties, biological activities, safety and toxicity information, patents, literature citations and more
- Density | Periodic Table of Elements - PubChem
Explore how density changes with atomic number in the periodic table of elements via interactive plots
- Acetaminophen | C8H9NO2 | CID 1983 - PubChem
Acetaminophen (paracetamol), also commonly known as Tylenol, is the most commonly taken analgesic worldwide and is recommended as first-line therapy in pain conditions by the World Health Organization (WHO) It is also used for its antipyretic effects, helping to reduce fever This drug was initially approved by the U S FDA in 1951 and is available in a variety of forms including syrup form
- Caffeine | C8H10N4O2 | CID 2519 - PubChem
Caffeine is a trimethylxanthine in which the three methyl groups are located at positions 1, 3, and 7 A purine alkaloid that occurs naturally in tea and coffee It has a role as a central nervous system stimulant, an EC 3 1 4 * (phosphoric diester hydrolase) inhibitor, an adenosine receptor antagonist, an EC 2 7 11 1 (non-specific serine threonine protein kinase) inhibitor, a ryanodine
- Water | H2O | CID 962 - PubChem
Water is an oxygen hydride consisting of an oxygen atom that is covalently bonded to two hydrogen atoms It has a role as an amphiprotic solvent, a member of greenhouse gas, a human metabolite, a Saccharomyces cerevisiae metabolite, an Escherichia coli metabolite and a mouse metabolite It is an oxygen hydride, a mononuclear parent hydride and an inorganic hydroxy compound It is a conjugate
- GHS Classification Summary - PubChem
GHS, the Globally Harmonized System of Classification and Labeling of Chemicals, was developed by the United Nations as a way to bring into agreement the chemical regulations and standards of different countries GHS includes criteria for the classification of health, physical and environmental hazards, as well as specifying what information should be included on labels of hazardous chemicals
- Cocaine | C17H21NO4 | CID 446220 - PubChem
An alkaloid ester extracted from the leaves of plants including coca It is a local anesthetic and vasoconstrictor and is clinically used for that purpose, particularly in the eye, ear, nose, and throat It also has powerful central nervous system effects similar to the amphetamines and is a drug of abuse Cocaine, like amphetamines, acts by multiple mechanisms on brain catecholaminergic
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