gtoxCode2CASN {GladiaTOX} | R Documentation

## Convert chemical code to CAS Registry Number

### Description

`gtoxCode2CASN` takes a code and converts it CAS Registry Number.

### Usage

    gtoxCode2CASN(code)

### Arguments

`code` | Character of length 1, a chemical code

### Details

The function checks for the validity of the CAS Registry Number. Also, the ToxCast data includes chemcials for which there is no CASRN. The convention for these chemicals is to give them a CASRN as NOCAS_chid; the code for these compounds is CNOCASchid. The function handles the NOCAS compounds as they are stored in the database, as shown in the exmaple below.

### Value

A CAS Registry Number.

### Examples

    gtoxCode2CASN("C80057")
    gtoxCode2CASN("C09812420") ## Invalid CASRN will give a warning
    gtoxCode2CASN("CNOCAS0015") ## The underscore is reinserted for NOCAS codes

[Package GladiaTOX version 1.2.0 Index]