Browse controlled substance reference standards and research materials.
| Compound | CAT No. | CAS No. | Category | Action |
|---|---|---|---|---|
| Ergotamine-d3 | CS-O-64787 | 3039483-97-8 | Stable Isotopes | |
| Esketamine-d3 | CS-O-44107 | 2375682-64-5 | Stable Isotopes | |
| Eslicarbazepine Acetate Impurity 1 | CS-O-65744 | 1431547-12-4 | Impurity | |
| Estazolam Impurity 2 | CS-T-70074 | 49691-65-8 | Impurity | |
| estosterone Cypionate-d3 | CS-T-93296 | 876054-56-7 | Stable Isotopes | |
| Es-Zopiclone | CS-O-00230 | 138729-47-2 | Impurity | |
| Eszopiclone CIV(Secondary Standards traceble to USP) | CS-ER-00806 | 138729-47-2 | Secondary Standards | |
| Eszopiclone N-Oxide | CS-O-05988 | 151851-70-6 | Metabolite | |
| Eszopiclone Related Compound A | CS-EB-03310 | 43200-96-0 | USP Standards | |
| Eszopiclone Related Compound A(Secondary Standards traceble to USP) | CS-ER-00807 | 43200-96-0 | Secondary Standards | |
| Etaqualone | CS-O-01480 | 7432-25-9 | API | |
| Ethyl (1S,3R,4R)-3-amino-4-hydroxycyclohexane-1-carboxylate | CS-O-65488 | 929693-34-5 | Building Blocks | |
| Ethyl 2-hexyl-4,6-dihydroxybenzoate | CS-O-59073 | 34993-70-9 | Impurity | |
| Ethyl Morphine 6-(Tri-O-acetylglucuronide Methyl Ester) | CS-T-54537 | 168074-31-5 | Glucuronide | |
| Ethyl Olivetolate | CS-O-16516 | 38862-65-6 | Impurity | |
| Ethylmorphine 6-glucuronide | CS-O-49054 | 168074-32-6 | Glucuronide | |
| Ethylmorphine hydrochloride | CS-ED-00968 | 125-30-4 | Intermediate | |
| Ethylmorphine hydrochloride - reference spectrum (E2300000) | CS-EG-01407 | - | EP Standards | |
| Ethylmorphine-d5 | CS-TB-47198 | 1309441-17-5 | Stable Isotope Reagent | |
| Etonitazene-d5 | CS-T-102744 | 911-65-9(Unlabelled) | Stable Isotopes | |
| Exemestane Related Compound C | CS-O-15281 | 897-06-3 | Impurity | |
| Fenfluramine D6 | CS-CX-00614 | 458-24-2 (Unlabeled) | Stable Isotopes | |
| Fenfluramine Impurity 1 HCl salt | CS-EO-03553 | 172953-70-7 (Freebase) | Impurity | |
| Fenfluramine Impurity 16 | CS-O-42544 | 1683-15-4 | Impurity |
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