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BCS classes. According to the Biopharmaceutics Classification System (BCS) drug substances are classified to four classes upon their solubility and permeability: [1] Class I – high permeability, high solubility. Example: metoprolol, paracetamol [2] Those compounds are well absorbed and their absorption rate is usually higher than excretion.
chemical database substances CAS Search; suppliers "Chemindex". Clival Database Clinical Trail Database Clinical Trail Data Solutions 50,000 molecules clinical trail data Phase 0 to IV indications "clival". CMNPD Comprehensive Marine Natural Products Database Peking University: from literature and other databases structural classification; species
The United States Bureau of Industry and Security (BIS) assigns an alphanumeric code, known as the Commodity Classification Automated Tracking System (CCATS), to products classified under the Export Administration Regulations (EAR).
The ATC classification system is a strict hierarchy, [5] meaning that each code necessarily has one and only one parent code, except for the 14 codes at the topmost level which have no parents. The codes are semantic identifiers, [ 5 ] meaning they depict information by themselves beyond serving as identifiers (namely, the codes depict ...
The Generic Product Identifier (GPI) is a 14-character hierarchical classification system created by Wolters Kluwer's Medi-Span that identifies drugs from their primary therapeutic use down to the unique interchangeable product regardless of manufacturer or package size. The code consists of seven subsets, each providing increasingly more ...
The Federal Stock Number (FSN) was the codification system used by the US Government from 1957 to 1974. It was 11 digits long and was the same number as the NSN (see National Stock Number), minus the two-digit NCB code. The digits "00" were later added in the place of the NCB digits to virtually all FSN numbers to create compliant American 13 ...
The tariff schedule has 99 chapters under 22 sections, and various appendices for chemicals, pharmaceuticals, and intermediate chemicals for dye.Raw materials or basic substances generally appear in the early chapters and in earlier headings within a chapter, whereas highly processed goods and manufactured articles appear in later chapters and headings.
The database draws from a large community of taxonomic experts. Primary content staff are housed at the Smithsonian National Museum of Natural History and IT services are provided by a US Geological Survey facility in Denver. The primary focus of ITIS is North American species, but many biological groups exist worldwide and ITIS collaborates ...