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

Hydroxychloroquine Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Desethyl hydroxychloroquine-d4 Stable Isotopes CS-O-37600 1854126-47-8 Enquire
Hydroxy Chloroquine-d4 Sulfate Stable Isotopes CS-O-02972 1216432-56-2 In Stock
HYDROXYCHLOROQUINE DIOXALATE SALT Stable Isotopes CS-SN-00042 118-42-3(free base) Enquire
Hydroxychloroquine-d4 Stable Isotopes CS-EO-02368 1216432-55-1 Enquire
Hydroxychloroquine-D4 (ethan-1,1,2,2-d4-1-ol) Sulfate Stable Isotopes CS-O-35300 1854126-45-6 Enquire
Hydroxychloroquine-d4 O-Sulfate Stable Isotopes CS-T-99222 Not Available Enquire
Hydroxychloroquine-D4 O-Sulfate Sodium Salt Stable Isotopes CS-O-34967 103152-84-7 (free base, Unlabeled) Enquire
Hydroxychloroquine-D5 sulfate Stable Isotopes CS-O-14939 747-36-4 Unlabeled Enquire
R-Hydroxychloroquine-d4 Stable Isotopes CS-O-13036 137433-23-9(Unlabeld) Enquire
S-Hydroxychloroquine-d4 Stable Isotopes CS-O-13034 137433-24-0(Unlabeled) Enquire


API Standards

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Hydroxychloroquine API Standards CS-O-15317 118-42-3 In Stock
Hydroxychloroquine sulphate API Standards CS-O-01630 747-36-4 In Stock


Metabolites

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Hydroxychloroquine O-Sulfate Sodium Salt Metabolites CS-T-93694 103152-84-7 Enquire


Impurities

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(2-((7-chloroquinolin-4-yl)- (4-((7-chloroquinolin-4-yl)- am... Impurities CS-O-47359 2486134-14-7 Enquire
de-ethylhydroxychloroquine sulphate Impurities CS-O-47358 Not Available Enquire
Hydroxychloroquine Dimer Impurities CS-O-35932 2732209-42-4 Enquire
Hydroxychloroquine Dimer Di HCl Impurities CS-EO-00513 2732209-42-4 (Freebase) Enquire
Hydroxychloroquine EP Impurity C Impurities CS-T-13091 4298-15-1 In Stock
Hydroxychloroquine EP impurity F Hydrochloride Impurities CS-EO-03610 6281-58-9 (Freebase) Enquire
Hydroxychloroquine Impurity 18 Impurities CS-O-59904 Not Available Enquire
Hydroxychloroquine N-Oxide Impurity Impurities CS-O-15325 1449223-88-4 In Stock
Hydroxychloroquine O-Sulfate Sulphate salt Impurities CS-O-52146 Not Available Enquire
Hydroxychloroquine sulfate Impurity 59 Impurities CS-O-59668 873969-89-2 Enquire
Hydroxychloroquine sulfate Impurity 69 Impurities CS-O-59651 500590-08-9 Enquire
N1,N4-Bis-(7-chloroquinolin-4-yl)-N1-ethylpentane-1,4-diamin... Impurities CS-T-93788 2518282-96-5 Enquire


EP Standards

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Hydroxychloroquine for system suitability EP Standards CS-EG-02416 747-36-4 Enquire


Intermediates

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
4-Amino-1-pentanol Intermediates CS-T-47989 927-55-9 In Stock
Hydroxychloroquine O-Sulfate Intermediates CS-T-26955 103152-84-7 Enquire
Hydroxychloroquine sulfate impurity E Intermediates CS-T-51045 10500-64-8 Enquire


Glucuronides

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Hydroxychloroquine-O-Beta-D-Glucuronide Glucuronides CS-O-45777 2439157-39-6 Enquire


Fine Chemicals

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
5-(Ethyl(2-hydroxyethyl)amino)pentan-2-one Fine Chemicals CS-O-60250 74509-79-8 Enquire