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

Quinolines Related Compounds

Impurity

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
1-(5-Isoquinolinesulfonyl)-2-methylpiperazine Dihydrochlorid... Impurity CS-T-30061 108930-17-2 Enquire
1-(5-Isoquinolinesulfonyl)-3-methylpiperazine Hydrochloride Impurity CS-T-30064 141543-65-9 Enquire
1-(5-Isoquinolinesulfonyl)piperazine Hydrochloride Impurity CS-T-30066 141543-63-7 Enquire
1-(8-Chloro-5-isoquinolinesulfonyl)piperazine Dihydrochlorid... Impurity CS-T-11828 355115-40-1 Enquire
1,4-Dichloro-7-isoquinolinesulfonyl Chloride Impurity CS-T-52631 223671-80-5 Enquire
N-(2-Aminoethyl)-5-isoquinolinesulfonamide Hydrochloride Impurity CS-T-47804 116970-50-4 Enquire
N-[2-(Methylamino)ethyl]-5-isoquinolinesulfonamide Dihydroch... Impurity CS-T-57920 113276-94-1 Enquire


Intermediate

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
8,9-Difluoro-5-methyl-1-oxo-1,5,6,7-tetrahydropyrido[3,2,1-i... Intermediate CS-O-16527 80076-47-7 In Stock


Building Blocks

COMPOUND CATEGORY CAT. No. CAS. No. STOCK STATUS
3-​Methyl-​6-​quinolinesulfonyl Chloride Building Blocks CS-T-95900 1780572-69-1 Enquire