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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
4-Amino-1-pentanol-d4 Benzyl Ether Stable Isotopes CS-EO-02534 Not Available Enquire
Cletoquine-d4 Stable Isotopes CS-T-95071 1216461-56-1 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 Sulphate D3 Stable Isotopes CS-O-39677 Not Available Enquire
Hydroxychloroquine-d4 Stable Isotopes CS-EO-02368 1216432-55-1 Enquire
Hydroxychloroquine-d4 O-Sulfate Stable Isotopes CS-T-99222 Not Available Enquire
N-Didestethyl Chloroquine-d4 Phthalimide Stable Isotopes CS-EO-02535 Not Available Enquire
Quensyl-1-acetate-d3 Stable Isotopes CS-EO-02536 Not Available Enquire
4-Amino-1-pentanol-d4 Hydrochloride Salt Stable Isotopes CS-T-47990 1216414-18-4 Enquire
Cletoquine-d4 Oxalate Stable Isotopes CS-T-51179 1216461-57-2 Enquire
Desethyl hydroxychloroquine-d4 Stable Isotopes CS-O-37600 1854126-47-8 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

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


Metabolite

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


Impurity

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(2-((7-chloroquinolin-4-yl)- (4-((7-chloroquinolin-4-yl)- am... Impurity CS-O-47359 2486134-14-7 Enquire
de-ethylhydroxychloroquine sulphate Impurity CS-O-47358 Not Available Enquire
Hydroxychloroquine Dimer Impurity CS-O-35932 2732209-42-4 Enquire
Hydroxychloroquine EP Impurity C Impurity CS-T-13091 4298-15-1 In Stock
Hydroxychloroquine EP impurity F Hydrochloride Impurity CS-EO-03610 6281-58-9 (Freebase) Enquire
Hydroxychloroquine Impurity 18 Impurity CS-O-59904 ---- Enquire
Hydroxychloroquine impurity 2 Impurity CS-O-46846 Not Available Enquire
Hydroxychloroquine N-Oxide Impurity Impurity CS-O-15325 1449223-88-4 In Stock
Hydroxychloroquine O-Sulfate Sulphate salt Impurity CS-O-52146 Not Available Enquire
Hydroxychloroquine sulfate Impurity 59 Impurity CS-O-59668 873969-89-2 Enquire
Hydroxychloroquine sulfate Impurity 69 Impurity CS-O-59651 500590-08-9 Enquire
N1,N4-Bis-(7-chloroquinolin-4-yl)-N1-ethylpentane-1,4-diamin... Impurity CS-T-93788 2518282-96-5 Enquire
Quensyl-1-acetate Impurity CS-T-85353 47493-14-1 In Stock
5-Chloro-4-(4-(N-ethyl-N-(2-hydroxyethyl)amino)-1-methylbuty... Impurity CS-O-38434 Not Available Enquire
DesethylHydroxy Chloroquine HCl Impurity CS-O-40581 159358-29-9 Enquire
Hydroxychloroquine Dimer Di HCl Impurity CS-EO-00513 2732209-42-4 (Freebase) Enquire
Hydroxychloroquine EP Impurity F HCl Impurity CS-EO-01561 ---- Enquire
Hydroxychloroquine sulfate impurity E Impurity CS-T-51045 10500-64-8 Enquire


Intermediate

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
4-Amino-1-pentanol Intermediate CS-T-47989 927-55-9 In Stock


Glucuronide

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Hydroxychloroquine-O-Beta-D-Glucuronide Glucuronide 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
(4-Aminopentyl)diethylamine Fine Chemicals CS-MM-51888 140-80-7 Enquire


Nitrosamine

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
N-N-Dinitroso Hydroxychloroquine EP Impurity C Nitrosamine CS-O-59824 ---- Enquire
N-Nitroso Hydroxychloroquine EP Impurity B Nitrosamine CS-O-56923 ---- Enquire
N-Nitroso Hydroxychloroquine EP Impurity C Nitrosamine CS-O-51701 ---- Enquire
N-Nitroso Hydroxychloroquine EP Impurity D Nitrosamine CS-O-56920 ---- Enquire
N-Nitroso Hydroxychloroquine Impurity 18 Nitrosamine CS-O-56922 ---- Enquire
N-Nitroso Hydroxychloroquine-O-Acetate Nitrosamine CS-O-56921 ---- Enquire


Secondary Standards

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Hydroxychloroquine Sulfate Secondary Standards CS-SS-24730-1GM 747-36-4 Enquire


Stable Isotope Reagent

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
4-Amino-1-pentanol-d4 Stable Isotope Reagent CS-T-66558 1216666-53-3 Enquire


Chiral

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
R(-)-Hydroxy Chloroquine Chiral CS-O-14373 137433-23-9 Enquire
S(+)-Hydroxy Chloroquine Chiral CS-O-14374 137433-24-0 Enquire