**Exhibit12.1**

**VWR INTERNATIONAL, INC.**

**Computation of Earning to FixedCharges**

**(Dollarsin millions)**

 
| ** **                                                                                                        | ** ** | **Successor**                         | ** ** | **Predecessor**       | ** ** |
|-------------------------------------------------------------------------------------------------------------------|------------|---------------------------------------|------------|-----------------------|------------|
| ** **                                                                                                        | ** ** | ** **                            | ** ** | ** **            | ** ** | **April 7 -** | ** ** | **January 1 -** | ** ** | ** ** | ** ** | ** ** | ** ** |
| ** **                                                                                                        | ** ** | **Year Ended December 31,** | ** ** | **December 31,** | ** ** | **April 6,** | ** ** | **Year Ended December 31,** | ** ** |
| ** **                                                                                                        | ** ** | **2006**                              | ** ** | **2005**              | ** ** | **2004** | ** ** | **2004** | ** ** | **2003** | ** ** | **2002** | ** ** |
| Income before  income taxes and cumulative effect of a change in accounting principle and  equity method earnings |       | $                                | 112.5      |                  | $     | 72.3 |   | $  | 55.0 |   | $  | 35.7 |   | $  | 110.7 |   | $  | 73.5 |   |
| Add: Equity method  earnings                                                                                      |       | 0.5                                   |       | 0.5                   |       | 0.4 |   | 0.1 |   | 0.6 |   | 0.5 |   |
| Add: Fixed charges                                                                                                |       | 93.7                                  |       | 88.1                  |       | 59.8 |   | 8.8 |   | 35.9 |   | 52.4 |   |
| Earnings, as  defined                                                                                             |       | $                                     | 206.7      |                  | $          | 160.9 |   | $ | 115.2 |   | $ | 44.6 |   | $ | 147.2 |   | $ | 126.4 |   |
|                                                                                                              |       |                                  |       |                  |       |   |   |   |   |   |   |   |   |
| Fixed Charges:                                                                                                    |       |                                  |       |                  |       |   |   |   |   |   |   |   |   |
| Interest expense                                                                                                  |       | $                                     | 83.3       |                  | $          | 77.0 |   | $ | 51.5 |   | $ | 5.8 |   | $ | 26.1 |   | $ | 41.8 |   |
| One-third rental  expense                                                                                         |       | 10.4                                  |       | 11.1                  |       | 8.3 |   | 3.0 |   | 9.8 |   | 10.6 |   |
| Total Fixed Charges                                                                                               |       | $                                     | 93.7       |                  | $          | 88.1 |   | $ | 59.8 |   | $ | 8.8 |   | $ | 35.9 |   | $ | 52.4 |   |
|                                                                                                              |       |                                  |       |                  |       |   |   |   |   |   |   |   |   |
| Ratio of Earnings to Fixed Charges                                                                                |       | 2.2                                   |       | 1.8                   |       | 1.9 |   | 5.1 |   | 4.1 |   | 2.4 |   |

 

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