CAS REGISTRY

Many CASRN are associated with trade names, which were valuable to chemical processors and users at the time of the compilation of the initial TSCA Inventory, but trade names have no significance with respect to the chemical identity of substances or their status in the TSCA Inventory. 

The CA Registry of CAS also comprises 1.6 million protein and peptide sequences and over 21.6 milhon nudeic acid sequences from literature sources and from GenBank. 

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In addition to the numeric data (color, solubility, refraction index, spectra, etc.), these factual databases also include a bibliographic section with references or sources and a section with information for the identification of a compound (e.g., name, CAS Registry Number, molecular weight). 

Examples of structure databases are Beilstein, Gmehn, and CAS Registry. 

Specinfo, from Chemical Concepts, is a factual database information system for spectroscopic data with more than 660000 digital spectra of 150000 associated structures [24], The database covers nuclear magnetic resonance spectra ( H-, C-, N-, O-, F-, P-NMR), infrared spectra (IR), and mass spectra (MS). In addition, experimental conditions (instrument, solvent, temperature), coupling constants, relaxation time, and bibliographic data are included. The data is cross-linked to CAS Registry, Beilstein, and NUMERIGUIDE. 

The CAS Registry contains information on all the chemical compounds published in the literature since 1957. The sources of these 21 million compounds are 9000 international journals containing chemical information. The database includes CAS Registry Numbers, the CAS name (not conforming to the lUPAC convention) with synonyms, and molecular and structural formulas. The CAS provides a weekly update (see Section 5.4). 

Compounds are stored as connection tables (CT) in structure and reaction databases, e.g., Beilstein, Cmelin, CAS Registry, and CASREACT. 

Nitrile CAS Registry Number Bp. °C Eree2ing pt, °C Iodine value... 

Material CAS Registry Number Mohs scale Ridgeway s scale WoodeU s scale Knoop hardness, kN/m " ... 

Alcohol or glycol Molecular formula CAS Registry No. Starting material... 

Stmcture CAS Registry Number Molecular formula bp, °c Pressure at bp,kPa"... 

Compound added Stmcture CAS Registry Molecular bp, °c Pressure at... 

THBA Product CAS Registry Number Time, h bp,°C Pressure at bp, kPa ... 

Compound CAS Registry Number Molecular formula Animal Oral LD q, g/ks Ref. 

Compound Molecular formula CAS Registry Number °C kPa Refractive index Density... 

Polymer Monomer CAS Registry r Density, Refractive index. 

Acrylate CAS Registry Number Molecular weight bp, glcirr Flash poiat. Water solubihty, g/100gH2O Heat of evaporatioa, Vi Specific heat, J/g-K ... 

Atomic number Element CAS Registry Number Symbol Atomic weight Discoverers and date of discovery... 

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