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Controlled Substances Enquiry List

Browse controlled substance reference standards and research materials.

Controlled Substances Enquiry List

Controlled substance entries for enquiry and compliance review
Browse Controlled Substances A-Z
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Compound CAT No. CAS No. Category Action
4-(3,4-Difluoro-2-(trifluoromethyl)phenyl)piperidine Hydrochloride salt CS-O-65388 3102128-56-0 API
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4-(4-Methylphenyl)-4-oxobutyric Acid CS-MM-02223 4619-20-9 Intermediate
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4-(Dimethylamino)-2,2-diphenyl-pentanenitrile CS-ZJ-30565 125-79-1 Intermediate
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4-(Phenylamino)-1-benzyl-4-piperidinecarbonitrile CS-T-39265 968-86-5 Intermediate
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4-(Phenylamino]-1-benzyl-4-piperidinecarboxylic Acid Methyl Ester CS-T-39271 61085-60-7 Intermediate
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4,17a-Dimethyl-2-hydroxymethylene Testosterone CS-T-53597 38539-99-0 Impurity
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4,17a-Dimethyltestosterone CS-T-53600 28626-76-8 Impurity
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4,5-Alpha-epoxy-3-methoxy-17-methyl-morphinan-6-beta,14-diol CS-ZB-22363 61949-73-3 Metabolite
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4,5-Epoxy-19-nortestosterone CS-T-54335 52153-24-9 Impurity
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4,6-Dihydroxy Duloxetine Glucuronide CS-O-65574 - Impurity
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4-[(1-Oxopropyl)phenylamino]-1-benzyl-4-piperidinecarboxylic Acid Methyl Ester CS-T-38338 61085-72-1 Intermediate
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4’-Hydroxy Clobazam CS-TB-66827 70643-28-6 Other
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4-Acetoxy Alprazolam CS-TA-00748 30896-67-4 Other
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4-Androstene-3,17-Dione-d7 CS-BE-00029 67034-85-9 Stable Isotopes
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4-Anilino-1-benzylpiperidine CS-T-03914 1155-56-2 Intermediate
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4-Bromo Amphetamine-d6 Hydrochloride CS-T-103198 58400-88-7(Unlabelled) Stable Isotopes
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4-Bromo-2,2 Diphenyl Butyronitrile CS-O-32254 39186-58-8 Intermediate
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4-Chlorodehydromethyltestosterone CS-T-92625 2446-23-3 Intermediate
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4-Cyano-4-phenylpiperidine hydrochloride CS-M-50658 51304-58-6 Intermediate
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4-Ethyl ephedrine hydrochloride CS-EK-02009 27465-55-0 Intermediate
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4-Fluorobutyrfentanyl CS-EK-01347 244195-31-1 Impurity
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4-Fluoroisobutyryl fentanyl CS-EH-00177 244195-32-2 Impurity
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4-HO-MPMI-d5 CS-O-53355 2684200-04-0 Stable Isotopes
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4-Hydroxy Alprazolam (Compd. with methanol) CS-TB-66313 1216921-51-5 Other
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