Browse controlled substance reference standards and research materials.
| Compound | CAT No. | CAS No. | Category | Action |
|---|---|---|---|---|
| Fenproporex Hydrochloride | CS-EO-03555 | 16359-54-9 | API | |
| Fenproporex oxalate | CS-EK-00851 | 16397-28-7 free base | API | |
| Fentanyl | CS-T-30530 | 437-38-7 | API | |
| Fentanyl - * narc (Y0001985) | CS-EG-02579 | 437-38-7 | EP Standards | |
| Fentanyl 13C6 | CS-EK-01360 | 1261395-37-2 | Stable Isotopes | |
| Fentanyl CII (R05790) | CS-EB-00865 | 437-38-7 | USP Standards | |
| Fentanyl CII(Secondary Standards traceble to USP) | CS-ER-00857 | 437-38-7 | Secondary Standards | |
| Fentanyl citrate | CS-ED-00586 | 990-73-8 | Intermediate | |
| Fentanyl citrate - * narc (Y0001963) | CS-EG-02529 | 990-73-8 | EP Standards | |
| Fentanyl Citrate CII (M1L328) | CS-EB-00871 | 990-73-8 | USP Standards | |
| Fentanyl Citrate CII(Secondary Standards traceble to USP) | CS-ER-00863 | 990-73-8 | Secondary Standards | |
| Fentanyl EP Impurity C | CS-K-00054 | 3258-84-2 | Impurity | |
| Fentanyl EP Impurity D | CS-O-31567 | 21409-26-7 | Impurity | |
| Fentanyl EP Impurity D-d5 (Phenethyl-d5) | CS-O-54630 | 21409-26-7 (Unlabelled) | Impurity | |
| Fentanyl EP Impurity H | CS-EO-01813 | - | Impurity | |
| Fentanyl Hydrochloride | CS-TB-51381 | 1443-54-5 | Other | |
| Fentanyl Impurity A | CS-SN-00123 | 1233011-07-8 | Impurity | |
| Fentanyl impurity mixture - * narc (Y0001967) | CS-EG-02559 | - | Impurity | |
| Fentanyl isothiocyanate | CS-ZG-20132 | 85951-63-9 | Other | |
| Fentanyl N-Oxide | CS-T-54690 | 85893-37-4 | Metabolite | |
| Fentanyl N-Oxide Hydrochloride | CS-ED-01649 | 2724510-77-2 | Metabolite | |
| Fentanyl Related Compound A (R00620) | CS-EB-00866 | 103-63-9 | USP Standards | |
| Fentanyl Related Compound A(Secondary Standards traceble to USP) | CS-ER-00858 | 103-63-9 | Secondary Standards | |
| Fentanyl Related Compound B (F0H397) | CS-EB-00867 | 23056-29-3 | USP Standards |
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