17-alpha-Estradiol, certified, 0.1g Back Catalog number: C13213000 Availability: In the manufacturer's stock Price on request - + Recommended 90447 Diphenylamine Price on request S-4367-100-5DC EPA 528 rev. 1.0 Internal Standard Solution 1 100µg/mL in dichloromethane; unit: 1x5mL 3841.8 1,2-Dimethyl-3-nitrobenzene [83-41-0] Price on request 72327 1,5-Diaminonaphthalene Price on request