Hydroxychloroquine Impurities

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Impurity structure Parent Drug Name Name of Impurity Catalogue No. CAS No.
Hydroxychloroquine 3-Bromo Impurity Hydroxychloroquine

Hydroxychloroquine 3-Bromo Impurity

VE005979 2054859-08-2
Hydroxychloroquine Acid Hydroxychloroquine

Hydroxychloroquine Acid

VE005978 645406-24-2
Hydroxychloroquine Aminopentyl Hydroxychloroquine

Hydroxychloroquine Aminopentyl

VE005980 69559-11-1
Hydroxychloroquine Dimer Hydroxychloroquine

Hydroxychloroquine Dimer

VE005983 N/A
Hydroxychloroquine EP Impurity A Hydroxychloroquine

Hydroxychloroquine EP Impurity A

VE005938 1449223-88-4
Hydroxychloroquine EP Impurity B Hydroxychloroquine

Hydroxychloroquine EP Impurity B

VE0014930 N/A
Hydroxychloroquine EP Impurity B (Free Base) Hydroxychloroquine

Hydroxychloroquine EP Impurity B (Free Base)

VE005945 103152-84-7
Hydroxychloroquine EP Impurity B (Na Salt) Hydroxychloroquine

Hydroxychloroquine EP Impurity B (Na Salt)

VL3670002 N/A
Hydroxychloroquine EP Impurity C Hydroxychloroquine

Hydroxychloroquine EP Impurity C

VE005939 4298-15-1
Hydroxychloroquine EP Impurity D Hydroxychloroquine / Chloroquine

Hydroxychloroquine EP Impurity D

VE0014931 N/A
Hydroxychloroquine EP Impurity D Hydroxychloroquine / Chloroquine

Hydroxychloroquine EP Impurity D

VE0014934 15912-96-6
Hydroxychloroquine EP Impurity D Hydroxychloroquine / Chloroquine

Hydroxychloroquine EP Impurity D

VE0014935 N/A
Hydroxychloroquine EP Impurity D Hydroxychloroquine

Hydroxychloroquine EP Impurity D

VE005940 1476-52-4
Hydroxychloroquine EP Impurity E Hydroxychloroquine

Hydroxychloroquine EP Impurity E

VE005942 10500-64-8
Hydroxychloroquine EP Impurity F Hydroxychloroquine

Hydroxychloroquine EP Impurity F

VE005943 6281-58-9
Hydroxychloroquine EP Impurity G Hydroxychloroquine

Hydroxychloroquine EP Impurity G

VE005944 86-98-6
Hydroxychloroquine Impurity 2 Hydroxychloroquine

Hydroxychloroquine Impurity 2

VE0014926 N/A
Hydroxychloroquine Impurity 21 (4HCl Salt) Hydroxychloroquine

Hydroxychloroquine Impurity 21 (4HCl Salt)

VE0014928 N/A
Hydroxychloroquine Impurity 3 Hydroxychloroquine

Hydroxychloroquine Impurity 3

VE0014927 2411340-31-1
Hydroxychloroquine Impurity 4 Hydroxychloroquine

Hydroxychloroquine Impurity 4

VE0014925 N/A
Hydroxychloroquine O-Acetate Hydroxychloroquine

Hydroxychloroquine O-Acetate

VL3670003 47493-14-1
Hydroxychloroquine Quinoline N-Oxide Hydroxychloroquine

Hydroxychloroquine Quinoline N-Oxide

VE0014929 2413719-19-2
Hydroxychloroquine R-isomer Impurity Hydroxychloroquine

Hydroxychloroquine R-isomer Impurity

VE005981 137433-23-9
Hydroxychloroquine S-isomer Impurity Hydroxychloroquine

Hydroxychloroquine S-isomer Impurity

VE005982 137433-24-0
Hydroxychloroquine-D4 Sulfate Hydroxychloroquine

Hydroxychloroquine-D4 Sulfate

DVE00607 1854126-45-6
Hydroxyprogesterone Caproate Inhouse impurity B Hydroxychloroquine

Hydroxyprogesterone Caproate Inhouse impurity B

VE009142 630-56-8
Hydroxyprogesterone caproate Inhouse Impurity C Hydroxychloroquine

Hydroxyprogesterone caproate Inhouse Impurity C

VE009163 N/A
Hydroxyprogesterone Caproate Inhouse Impurity E Hydroxychloroquine

Hydroxyprogesterone Caproate Inhouse Impurity E

VE009164 N/A