Why is pricing not shown for controlled substances?

Pricing is not shown publicly because controlled substance enquiries require due diligence on the requester, organization, end-use, certification, documentation and applicable legal requirements.

How do I request a controlled substance from Clearsynth?

You can submit an RFQ or enquiry. The request will be reviewed for intended use, organization details, required certifications, permits, documentation and applicable compliance requirements before any response about possible supply.

Controlled Substances Reference Standards

Q: What are controlled substances?

Controlled substances are compounds that may be subject to special legal, regulatory or institutional controls. Entries on this page are shown for controlled enquiry and compliance review for analytical research or regulated laboratory applications.

Compound	CAT No.	CAS No.	Category	Action
AB-FUBINACA metabolite 3	CS-EK-01391	1877243-60-1	Metabolite	View
Abnormal Cannabidiol	CS-T-64052	22972-55-0	Fine Chemicals	View
AB-PINACA-d9	CS-T-94312	-	Stable Isotopes	View
Acetorphine hydrochloride	CS-ED-01782	25333-78-2	API	View
Acetylcodeine	CS-CX-00047	6703-27-1	Metabolite	View
Acetylcodeine 13CD3	CS-CX-00048	6703-27-1 (Unlabeled)	Stable Isotopes	View
Acetyldihydrocodeine	CS-ED-00621	3861-72-1	Impurity	View
Acrylfentanyl	CS-EK-01225	79279-03-1	API	View
Afentanyl	CS-CX-00058	71195-58-9	Intermediate	View
a-Hydroxyetizolam-D4	CS-T-103043	64546-10-7(Unlabelled)	Stable Isotopes	View
Aldol Condensation Dimer of Testosterone	CS-EO-02017	-	Impurity	View
Alfentanil Hydrochloride	CS-T-30528	69049-06-5	API	View
Alfentanil Hydrochloride CII (G1J037)	CS-EB-00063	70879-28-6	USP Standards	View
Alfentanil impurity D	CS-O-52115	-	Impurity	View
Allobarbital-d10	CS-T-102516	1794884-85-7	Stable Isotopes	View
Allobarbital-d10 (1mg/ml in Methanol)	CS-T-102975	1794884-85-7	Stable Isotopes	View
Alpha-Hydroxy Amphetamine	CS-O-59576	100033-48-5	Impurity	View
alpha-Hydroxyzolpidem	CS-O-64689	118026-14-5	Metabolite	View
Alpha-Methyl Fentanyl-d3 Hydrochloride	CS-TB-79024	1246817-79-7	Stable Isotopes	View
alpha-Methylacetylfentanyl	CS-EK-00503	101860-00-8	Metabolite	View
ALPHA-METHYLTHIOFENTANYL	CS-T-94511	103963-66-2	API	View
Alpha-phenyl-2-piperidineacetic acid Hydrochloride	CS-O-20041	19395-40-5	Impurity	View
Alprazolam	CS-IP-00335	28981-97-7	IP Standards	View
Alprazolam	CS-O-10963	28981-97-7	API	View

Controlled Substance Reference Standards from Clearsynth

This page contains controlled substance reference entries for research laboratories, pharmaceutical research, analytical testing and regulated scientific applications. These entries are provided for enquiry and compliance review only and should not be treated as an offer to sell or confirmation of availability.

Because controlled substances may be subject to special handling, documentation or regulatory requirements, stock, pricing and product documents are not displayed publicly. Each enquiry is reviewed based on the organization, intended use, certification, permits, documentation and applicable compliance requirements before any possible supply discussion.

Analytical Research

Controlled substance reference standards support analytical method development, identification, qualification and comparison workflows in regulated laboratory environments.

Compliance-first RFQ

Requests are handled through RFQ review so the requirement can be evaluated for end-use, organization details, certifications, permits, documentation and applicable legal requirements.

Product Documentation

Documentation and any possible supply-related discussion are considered only after compliance review. This helps maintain a controlled, responsible and traceable enquiry workflow.

Applications of Controlled Substance Standards

Controlled substance standards and controlled drug reference materials are commonly used in analytical research, LC-MS and GC-MS method development, impurity profiling, reference standard comparison, pharmaceutical research and laboratory testing. Enquiries for such materials are handled through a structured due-diligence and compliance-review process.

If you are looking for a specific controlled substance, CAS number, CAT number or related analytical standard, use the search box above to find the relevant controlled substance entry and submit an enquiry for review.

Controlled Substances FAQ

What are controlled substances?

Controlled substances are compounds that may be subject to legal, regulatory or institutional controls. Entries on this page are shown for controlled enquiry and compliance review for analytical research and regulated laboratory applications.

Can controlled substances be purchased directly online?

No. Controlled substances cannot be purchased directly online from this page. Enquiries are routed through an RFQ, due-diligence and compliance-review process.

Why is pricing not shown?

Pricing is not shown publicly because controlled substance enquiries require review of the requester, organization, end-use, certification, permits, documentation and applicable legal requirements.

How do I request a quote?

Use the RFQ button on any product row or open the product detail page and submit your requirement. The request will be reviewed based on organization details, intended use, required certifications, permits, documentation and applicable compliance requirements before any possible supply discussion.

Are these products for personal use?

No. Entries in this section are intended only for qualified research, analytical and laboratory enquiries, subject to review, certification, documentation and applicable legal requirements.