Norethisterone 100 µg/mL in Acetonitrile (DRE-A15644950AL-100) 1 mL
Dr. Ehrenstorfer Reference Standard (DRE-A15644950AL-100), CAS Number 68-22-4, Pach Size N/A
Norethisterone (DRE-C15644950) 100 mg
Dr. Ehrenstorfer Reference Standard (DRE-C15644950), CAS Number 68-22-4, Pach Size N/A
Cyanocobalamin (Vitamin B12) (DRE-C11798500) 50 mg
Dr. Ehrenstorfer Reference Standard (DRE-C11798500), CAS Number 68-19-9, Pach Size N/A
PCB No. 198 100 µg/mL in Isooctane (DRE-GA09011159IO) 2 mL
Dr. Ehrenstorfer Reference Standard (DRE-GA09011159IO), CAS Number 68194-17-2, Pach Size N/A
PCB No. 198 10 µg/mL in Isooctane (DRE-L20019800IO) 10 mL
Dr. Ehrenstorfer Reference Standard (DRE-L20019800IO), CAS Number 68194-17-2, Pach Size N/A
PCB No. 198 (DRE-C20019800) 5 mg
Dr. Ehrenstorfer Reference Standard (DRE-C20019800), CAS Number 68194-17-2, Pach Size N/A
PCB No. 143 10 µg/mL in Isooctane (DRE-L20014300IO) 10 mL
Dr. Ehrenstorfer Reference Standard (DRE-L20014300IO), CAS Number 68194-15-0, Pach Size N/A
PCB No. 143 (DRE-C20014300) 5 mg
Dr. Ehrenstorfer Reference Standard (DRE-C20014300), CAS Number 68194-15-0, Pach Size N/A
PCB No. 113 10 µg/mL in Isooctane (DRE-L20011300IO) 10 mL
Dr. Ehrenstorfer Reference Standard (DRE-L20011300IO), CAS Number 68194-10-5, Pach Size N/A
PCB No. 90 10 µg/mL in Isooctane (DRE-L20009000IO) 10 mL
Dr. Ehrenstorfer Reference Standard (DRE-L20009000IO), CAS Number 68194-07-0, Pach Size N/A