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Clearsynth is a leading innovator in pharmaceutical reference standards, offering high-quality Reference Standards for Clonidine, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Our Clonidine impurity reference standards are invaluable for pharmaceutical research, supporting product development, ANDA and DMF submissions, quality control (QC), method validation, and stability studies. They also aid in identifying unknown impurities and assessing genotoxic potential.
Our Clonidine-related products undergo thorough characterization and are supplied with detailed Certificates of Analysis (COA) and analytical data that meet regulatory requirements. All supplied products are re-tested at regular intervals to ensure ongoing quality and compliance.

Clonidine Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Clonidine d4 Stable Isotopes CS-O-42667 62497-68-1 Enquire
N-Acetyl Clonidine-D4 Stable Isotopes CS-F-00060 54707-71-0(Unlabeled) Enquire
4-Hydroxy Clonidine D4 Stable Isotopes CS-T-55891 1189988-05-3 Enquire
Clonidine D4 Hydrochloride Stable Isotopes CS-O-11362 67151-02-4 Enquire
Clonidine-d7 Stable Isotopes CS-P-02470 4205-90-7 (non-d) Enquire


API

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Apraclonidine API CS-O-58571 66711-21-5 Enquire
Apraclonidine Hydrochloride API CS-T-04039 73218-79-8 Enquire
Clonidine Hydrochloride API CS-O-10960 4205-91-8 In Stock
Clonidine API CS-T-13180 4205-90-7 Enquire


Metabolite

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
4-Hydroxy Clonidine Metabolite CS-A-00010 57101-48-1 Enquire


Impurity

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
2,6-Dichloroformanilide Impurity CS-T-89160 10113-35-6 In Stock
Clonidine Impurity 1 Impurity CS-P-07491 21709-18-2 In Stock
Clonidine impurity B Impurity CS-T-47184 54707-71-0 In Stock
Clonidine related compound C Impurity CS-O-44041 27806-81-1 In Stock
4-Methoxy Clonidine Impurity CS-T-32307 65936-24-5 Enquire
Clonidine Related Compound B Impurity CS-P-03908 Not Available Enquire


Intermediate

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
1-Acetyl-2-imidazolidinone Intermediate CS-T-62870 5391-39-9 In Stock


Fine Chemicals

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
2,6-Dichloroaniline Fine Chemicals CS-T-17403 608-31-1 In Stock
N-(2,6-Dichlorophenyl)acetamide Fine Chemicals CS-CY-00037 17700-54-8 In Stock


Nitrosamine

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
DInitroso Clonidine Nitrosamine CS-O-41452 148950-50-9 Enquire
N,N′-Dimethylethylenedinitrosamine Nitrosamine CS-O-41454 13256-12-7 In Stock
N-Nitroso Apraclonidine (Possibility-2) Nitrosamine CS-O-58978 ---- Enquire
N-Nitroso Apraclonidine Impurity 1 Nitrosamine CS-O-58977 ---- Enquire
N-Nitroso Clonidine-2 Nitrosamine CS-EO-02142 ---- Discontinued
N-Nitrosoclonidine Nitrosamine CS-P-08809 148950-49-6 In Stock


Secondary Standards

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Apraclonidine Hydrochloride Secondary Standards CS-SS-25874-200MG 73218-79-8 Enquire
Clonidine Related Compound A Secondary Standards CS-SS-26190-50MG 54707-71-0 Enquire