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Clearsynth is a leading innovator in pharmaceutical reference standards, offering high-quality Reference Standards for Guanfacine, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Our Guanfacine 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 Guanfacine-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.

Guanfacine Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Guanfacine-13C,15N3 Stable Isotopes CS-O-03035 1189924-28-4 Enquire
Guanfacine-13C,15N3 Hydrochloride Stable Isotopes CS-T-79117 1261393-21-8 Enquire


API

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Guanfacine Hydrochloride API CS-O-10892 29110-48-3 In Stock
Guanfacine API CS-T-25721 29110-47-2 Enquire


Impurity

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Guanfacine Acetone adduct Impurity CS-O-53423 ---- Enquire
Guanfacine Methyl Ester Impurity Impurity CS-T-17653 54551-83-6 In Stock
Guanfacine propanylidene adduct Impurity CS-O-53424 ---- Enquire
Guanidine Hydrochloride Impurity CS-O-11663 50-01-1 In Stock
Guanfacine Impurity 1 Impurity CS-O-33457 Not Available Enquire
N-Hydroxy Guanfacine Impurity CS-O-14535 199658-79-2 Enquire


Glucuronide

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
3-Hydroxy Guanfacine O-ß-D-Glucuronide Glucuronide CS-T-78559 78433-83-7 Enquire
3-Hydroxy-O-Glucuronide Guanfacine Glucuronide CS-O-14536 Not Available Enquire


Fine Chemicals

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
2-(2,6-Dichlorophenyl)acetamide Fine Chemicals CS-ED-02252 78433-88-2 In Stock


Nitrosamine

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
N2-Nitroso Guanfacine Nitrosamine CS-O-59007 ---- Enquire
N-Methyl-N-nitro-N′-nitrosoguanidine Nitrosamine CS-O-45793 26305-08-8 Enquire
1,3-dinitrosoguanidine Nitrosamine CS-EO-01371 Not Available Enquire
Nitrosoguanidine Nitrosamine CS-ED-01250 674-81-7 Enquire


Secondary Standards

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Guanfacine hydrochloride Secondary Standards CS-SS-24700-500MG 29110-48-3 Enquire


Stable Isotope Reagent

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Guanfacine-alpha,alpha-d2 HCl Stable Isotope Reagent CS-C-00528 1398065-88-7 Enquire
Guanfacine-α,α-d2 HCl Stable Isotope Reagent CS-C-01231 1398065-88-7 Enquire


Analytical Standard

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Guanfacine 13C,15N3-AR Grade Analytical Standard CS-O-03035-10MG 1189924-28-4 Enquire
Guanfacine 13C,15N3-AR Grade-10 ppm/ACN Analytical Standard CS-O-03035-1ML 1189924-28-4 Enquire