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

Quinine Related Compounds

Stable Isotopes

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(-)-(3S)-3-Hydroxy Quinine-vinyl-d3 Stable Isotopes CS-T-101262 2734920-65-9 Enquire
(3R)-3-Hydroxy Quinine-vinyl-d3 Stable Isotopes CS-T-97410 Not Available Enquire
N-(4-Nitrobenzoyl)-D-serine-d3 Quinine Salt Stable Isotopes CS-T-102603 Not Available Enquire
Quinine D3 Stable Isotopes CS-SN-00068 130-95-0(Unlabeled) Enquire
Quinine-d3 Stable Isotopes CS-T-93870 130-95-0 (unlabelled) Enquire
Quinine-d3 1’-Oxide Stable Isotopes CS-T-102092 Not Available Enquire
Quinine-d3 N-Oxide Stable Isotopes CS-T-102091 Not Available Enquire


API

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Quinine Bisulphate API CS-O-02214 549-56-4 In Stock
Quinine Hydrochloride Dihydrate API CS-O-11099 6119-47-7 In Stock
Quinine Sulfate Dihydrate API CS-O-02212 207671-44-1 In Stock
Quinine Dihydrochloride API CS-O-05152 60-93-5 Enquire


Impurity

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Quinine sulfate Impurity CS-DA-00145 804-63-7 Enquire
Quinine Sulfate Dihydrate Impurity CS-DK-00394 6119-70-6 In Stock
O-Desmethyl Quinine Impurity CS-T-52260 524-63-0 Enquire


Fine Chemicals

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
Quinine Hydrochloride Fine Chemicals CS-O-02216 7549-43-1 In Stock
Quinine sulfate monohydrate Fine Chemicals CS-ZG-23758 207671-44-1 Enquire


Catalyst

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
(-)-Dihydroquinine Catalyst CS-T-53154 522-66-7 In Stock