Clearsynth is a leading innovator in pharmaceutical reference standards, offering high-quality Reference Standards for Isoquinoline, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Our Isoquinoline 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 Isoquinoline-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.
Our Isoquinoline-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.
![(1R)-3,4-Dihydro-1-phenyl-2(1H)-isoquinoline carboxylic acid (3R)-1-azabicyclo [2.2.2]oct-3-yl-ester butanedioic acid.](https://structures.clearsynth.com/-1R--3-4-Dihydro-1-phenyl-2-1H--isoquinoline-carboxylic-acid--3R--1-azabicyclo--2-2-2-oct-3-yl-ester-butanedioic-acid-.png "Isoquinoline Impurities")
![(1S)-3,4-Dihydro-1-phenyl-2(1H)-isoquinoline carboxylic acid (3S)-1-azabicyclo [2.2.2]oct-3-yl-ester butanedioic acid.](https://structures.clearsynth.com/-1S--3-4-Dihydro-1-phenyl-2-1H--isoquinoline-carboxylic-acid--3S--1-azabicyclo--2-2-2-oct-3-yl-ester-butanedioic-acid-.png "Isoquinoline Impurities")
![2-(6-Methacryloyloxyhexyl)thioxantheno[2,1,9-dej]isoquinoline-1,3-dione Monomer](https://structures.clearsynth.com/-2--6-Methacryloyloxyhexyl-thioxantheno-2-1-9-dej-isoquinoline-1-3-dione-Monomer-.png "Isoquinoline Impurities")
![6,7,8,9-Tetrahydro-1H-imidazo[4,5-h]isoquinoline Hydrochloride](https://structures.clearsynth.com/-6-7-8-9-Tetrahydro-1H-imidazo-4-5-h-isoquinoline-Hydrochloride-.png "Isoquinoline Impurities")
![6'-bromo-3',4'-dihydro-2'H-spiro[cyclobutane-1,1'-isoquinoline]](https://structures.clearsynth.com/-6--bromo-3--4--dihydro-2-H-spiro-cyclobutane-1-1--isoquinoline--.png "Isoquinoline Impurities")
![6-Chloro-2-(4-pyridinylmethyl)-1H-benz[de]isoquinoline-1,3(2H)-dione](https://structures.clearsynth.com/6-Chloro-2--4-pyridinylmethyl--1H-benz-de-isoquinoline-1-3-2H--dione.png "Isoquinoline Impurities")
![8-Bromo-3-butyl-1-chloro-5,10-dihydroimidazo[1,5-b]isoquinoline](https://structures.clearsynth.com/8-Bromo-3-butyl-1-chloro-5-10-dihydroimidazo-1-5-b-isoquinoline.png "Isoquinoline Impurities")
![Isoquinoline, 1-[(3,4-dimethoxyphenyl)methyl]-1,2,3,4-tetrahydro-6,7-dimethoxy-2- methyl-](https://structures.clearsynth.com/-Isoquinoline--1---3-4-dimethoxyphenyl-methyl--1-2-3-4-tetrahydro-6-7-dimethoxy-2--methyl--.png "Isoquinoline Impurities")
![Losartan Imidazo[1,5-b]isoquinoline Impurity](https://structures.clearsynth.com/-Losartan-Imidazo-1-5-b-isoquinoline-Impurity-.png "Isoquinoline Impurities")
![N-[2-(Methylamino)ethyl]-5-isoquinolinesulfonamide Dihydrochloride](https://structures.clearsynth.com/N--2--Methylamino-ethyl--5-isoquinolinesulfonamide-Dihydrochloride.png "Isoquinoline Impurities")
![N-[2-(p-Bromocinnamylamino)ethyl]-5-Isoquinoline Sulfonamide](https://structures.clearsynth.com/N--2--p-Bromocinnamylamino-ethyl--5-Isoquinoline-Sulfonamide.png "Isoquinoline Impurities")
![N-[2-(p-Bromocinnamylamino)ethyl]-5-isoquinoline Sulfonamide Dihydrochloride](https://structures.clearsynth.com/N--2--p-Bromocinnamylamino-ethyl--5-isoquinoline-Sulfonamide-Dihydrochloride.png "Isoquinoline Impurities")
![6'-bromo-2',3'-dihydro-1'H-spiro[cyclobutane-1,4'-isoquinoline]-1'-one](https://structures.clearsynth.com/6--bromo-2--3--dihydro-1-H-spiro-cyclobutane-1-4--isoquinoline--1--one.png "Isoquinoline Building Blocks")
![6'-bromo-2',3'-dihydro-1'H-spiro[cyclopropane-1,4'-isoquinoline]-1',3'-dione](https://structures.clearsynth.com/6--bromo-2--3--dihydro-1-H-spiro-cyclopropane-1-4--isoquinoline--1--3--dione.png "Isoquinoline Building Blocks")
