“Over the Counter” Cold and Sinus Back Catalog number: 96633 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1446.14-K-IO 4-tert-Octylphenol, 1000µg/ml in Isooctane, 1ml Price on request 680983 Metoprolol tartrate, 100 µg/ml, Methanol, 1ml Price on request 1513.19-50-T 11-Methylbenz[a]anthracene,50 µg/mL,toluene,1mL, Price on request