Piperonyl butoxide Back Catalog number: 94476 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended CNLM-8150-1.2 Melamine (13C3,99%; Amino-15N3,98%) 100 µg/mL in Water, 1,2ml Price on request 79681 Mestranol Price on request 677172 Tri-n-octyltin chloride, 1000 µg/ml, Methanol, 5 Price on request