| Type | Manufacturer |
|---|---|
| Site web | https://www.chemservice.com/ |
| Numéro de téléphone | +1 610-692-3026 |
| Adresse | 660 Tower Lane PO Box 599 West Chester, PA 19381-0599, USA |
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Established in 1962, Chem Service is accredited to ISO Guide 34:2009, ISO/IEC 17025:2005, and registered and certified to the ISO 9001:2015 Quality Management System for the design, development, production, distribution, and servicing of organic neat and synthetic reference materials.