Cas Number

For example 58 08 2 is the cas registry number for caffeine.
Cas number. Search structure cas number search chemical properties search cas no. For example the compound cas 64 17 5 refers to ethanol. The cas number of a compound is a useful way to identify a chemical over its name. Ethanol is also known as ethyl alcohol ethyl hydrate absolute alcohol grain alcohol or hydroxyethane.
How does cas assign registry numbers. Nomor cas adalah identitas nomor unik untuk unsur kimia senyawa polimer biologi sequence campuran dan berbagai aloi mereka juga disebut sebagai nomor cas cas rns atau cas s. 50 37 3 c 123 h 193 n 35 o 37. Lysergic acid diethylamide lsd.
The cas registry number is the universally recognized unique identifier of chemical substances and is often found on packaging and on articles of commerce. The right most digit is a check digit used to verify the validity and uniqueness of the entire number. Cas is a division of the american chemical society that provides products and services that help empower scientific discoveries. Common serum albumin macromolecule.
Check out our latest product scifinder n to see how you can inlock your r d productivity. The chemical abstracts service cas has developed a registry of unique numeric identifiers the cas numbers or cas registry numbers for more than 73 million organic and inorganic substances including compounds metals alloys minerals organometalics elements isotopes and biochemicals each number represents only one substance and has no chemical significance but serves solely as an. A cas registry number is. A cas registry number also referred to as casrn or cas number is a unique numerical identifier assigned by the chemical abstracts service cas to every chemical substance described in the open scientific literature currently including all substances described from 1957 through the present plus some substances from the early or mid 1900s including organic and inorganic compounds.
Chemical abstracts service cas yang merupakan bagian dari american chemical society memberikan identitas tanda ini untuk setiap bahan kimia yang telah dijelaskan dalam literatur untuk memudahkan pencarian. 57 50 1 c 20 h 25 n 30. Chemsrc provides free cas number search engine to fast access over millions chemical structures cas number msds properties and associated information. 6381 92 6 c 12 h 22 o 11.