Estrone-d4, 2,5mg

Isovaleraldehyde-PFBOA derivative, 1000µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no.

ISO 17495 Internal Standard Stock Solution 2 Internal standards, each 10µg/mL in acetone; unit: 1x5mL 2061.6 2,4-Dibromophenol [615-58-7] 2060.6 2,4,6-Tribromophenol [118-79-6] The following compounds are suggested as alternative I

2-Ethoxy-3-isopropylpyrazine, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no.