Browse controlled substance reference standards and research materials.
| Compound | CAT No. | CAS No. | Category | Action |
|---|---|---|---|---|
| 4-HydroxyNandrolone | CS-O-43418 | 4721-69-1 | Impurity | |
| 4'-Hydroxy-N-desmethylclobazam | CS-TB-00565 | 70643-23-1 | Metabolite | |
| 4'-Hydroxynordiazepam | CS-T-28243 | 17270-12-1 | Intermediate | |
| 4-hydroxytestosterone | CS-ED-00510 | 2141-17-5 | Intermediate | |
| 4-Hydroxytriazolam | CS-EK-01970 | 65686-11-5 | Metabolite | |
| 4-Imino-N,N,1-trimethyl-3,3-diphenylhexylamine | CS-O-43487 | 14474-50-1 | Metabolite | |
| 4-Ketotestosterone | CS-O-47723 | - | Impurity | |
| 4-Methyl ephedrine hydrochloride | CS-EK-02671 | 27465-53-8 | Metabolite | |
| 4-Methyl-N-ethyl norephedrine hydrochloride | CS-EK-02845 | 1340234-30-1 free base | Metabolite | |
| 4-Methylnorephedrine Hydrochloride (Mixture of Diastereomers) | CS-T-81192 | 35086-98-7 | Impurity | |
| 4-nitrophenyl 2,6-bis((tert-butoxycarbonyl)amino)hexanoate | CS-O-39573 | 2012567-15-4 | Impurity | |
| 4-phenylpiperidine-4-carboxylic acid hydrochloride | CS-ED-41572 | 53484-76-7 | Intermediate | |
| 4α-Hydroxystanozolol | CS-T-104162 | 100356-20-5 | Metabolite | |
| 4β-Hydroxystanozolol | CS-T-104163 | 125636-92-2 | Metabolite | |
| 5(10)-Estrene-3β,7a-Diol | CS-O-11098 | 268734-48-1 | Metabolite | |
| 5’’-Hydroxycannabidiol | CS-T-79101 | 53413-28-8 | Intermediate | |
| 5-a-DIHYDROTESTOSTERONE 13C3 | CS-R-00139 | 1257527-54-0 | Stable Isotopes | |
| 5a-Dihydrotestosterone Undecanoate | CS-B-00009 | 6804-12-2 | Metabolite | |
| 5a-Dihydrotestosterone-16,16,17-d3 Undecanoate | CS-B-00403 | -- | Stable Isotopes | |
| 5-allyl-5-(3-hydroxy-2-methyl-1-propyl) barbituric acid | CS-O-59989 | -- | Metabolite | |
| 5alpha-Androstane-3alpha,17beta-diol | CS-I-00048 | 1852-53-5 | Metabolite | |
| 5-Alpha-Dihydrotestosterone (2,2,4,4-D4, 98%) 95% Chemical Purity | CS-TB-26908 | 5295-66-9 | Stable Isotopes | |
| 5-Amino-2-nitrobenzophenone | CS-T-03125 | 1775-95-7 | Intermediate | |
| 5b-Androsterone-d4 | CS-T-102495 | 175988-72-4 | Stable Isotopes |
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