**Exhibit 12.1**

**VWR INTERNATIONAL, INC.Computation of Earnings to Fixed Charges(Dollars in millions)**
| ** **                                                                                                               | ** ** | **Successor**           | ** ** | **Predecessor**           | ** ** |
|--------------------------------------------------------------------------------------------------------------------------|------------|-------------------------|------------|---------------------------|------------|
| ** **                                                                                                               | ** ** | **April 7 -** | ** ** | **January 1 -** | ** ** | ** ** | ** ** | ** ** | ** ** | ** ** | ** ** | ** ** | ** ** |
| ** **                                                                                                               | ** ** | **December 31,**   | ** ** | **April 6,**         | ** ** | **Year Ended December 31,** | ** ** |
| ** **                                                                                                               | ** ** | **2004**                | ** ** | **2004**                  | ** ** | **2003** | ** ** | **2002** | ** ** | **2001** | ** ** | **2000** | ** ** |
| Income (loss)  before income taxes and cumulative effect of a change in accounting principle  and equity method earnings |       |                    | $          | 55.0                      |       |   |   | $ | 35.7 |   |   | $ | 110.7 |   | $ | 73.5 |   | $ | (26.1 | ) | $ | (105.0 | ) |
| Add: Equity method earnings                                                                                              |       |                    | 0.4        |                      |       |   | 0.1 |   |   | 0.6 |   | 0.5 |   | 0.7 |   | 0.7 |   |
| Add: Fixed charges                                                                                                       |       |                    | 59.8       |                      |       |   | 8.8 |   |   | 35.9 |   | 52.4 |   | 86.9 |   | 107.8 |   |
| Earnings, as defined                                                                                                     |       |                    | $          | 115.2                     |       |   |   | $ | 44.6 |   |   | $ | 147.2 |   | $ | 126.4 |   | $ | 61.5 |   | $ | 3.5 |   |
| Fixed Charges:                                                                                                           |       |                    |       |                      |       |   |   |   |   |   |   |   |   |   |   |   |   |
| Interest expense                                                                                                         |       |                    | $          | 51.5                      |       |   |   | $ | 5.8 |   |   | $ | 26.1 |   | $ | 41.8 |   | $ | 77.5 |   | $ | 100.1 |   |
| One-third rental expense                                                                                                 |       |                    | 8.3        |                      |       |   | 3.0 |   |   | 9.8 |   | 10.6 |   | 9.4 |   | 7.7 |   |
| Total Fixed Charges                                                                                                      |       |                    | $          | 59.8                      |       |   |   | $ | 8.8 |   |   | $ | 35.9 |   | $ | 52.4 |   | $ | 86.9 |   | $ | 107.8 |   |
| Ratio of Earnings  to Fixed Charges                                                                                      |       |                    | 1.9        |                      |       |   | 5.1 |   |   | 4.1 |   | 2.4 |   | — |   | — |   |

 

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