CASNumber (cdk 2.9 API)

java.lang.Object
- org.openscience.cdk.index.CASNumber

```
public class CASNumber
extends Object
```
Tools to work with CAS registry numbers.
References:
- A CAS Registry Number
- Check Digit Verification of CAS Registry Numbers
Author:

Egon Willighagen <egonw@sci.kun.nl>, Nathanaël "M.Le_maudit" Mazuir

See Also:

CAS website

Source code:
main

Keywords:

CAS number

Created on:

2003-06-30

Requires:

java1.4+

- Constructor Summary
  
  Constructors
  Constructor Description
  
  CASNumber()
- Method Summary
  
  All Methods Static Methods Concrete Methods
  Modifier and Type Method Description
  
  static boolean isValid(String casNumber)
  Checks whether the registry number is valid.
  - Methods inherited from class java.lang.Object
    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - CASNumber
```
public CASNumber()
```
- Method Detail
  - isValid
```
public static boolean isValid(String casNumber)
```
    Checks whether the registry number is valid.
    
    Parameters:
    
    casNumber - the CAS number to validate
    
    Returns:
    
    true if a valid CAS number, false otherwise
    
    Keywords:
    
    CAS number, validation