4-amino-3-methyl-1H-pyrazolo[4,3-c][1,7]naphthyridine-8-carboxylic acid CAS 2790570-03-3

Purity 97%+In StockPharmaceutical Standards
CAS No.2790570-03-3
Molecular FormulaC11H9N5O2
Molecular Weight243.22 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

4-amino-3-methyl-1H-pyrazolo[4,3-c][1,7]naphthyridine-8-carboxylic acid CAS 2790570-03-3 chemical structure

Description

4-amino-3-methyl-1H-pyrazolo[4,3-c][1,7]naphthyridine-8-carboxylic acid (C11H9N5O2) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).

4-amino-3-methyl-1H-pyrazolo[4,3-c][1,7]naphthyridine-8-carboxylic acid (CAS 2790570-03-3), molecular formula C11H9N5O2 and molecular weight 243.22 g/mol, is a CATO reference standard with documented purity and traceability.

Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.

CATO manufactures 4-amino-3-methyl-1H-pyrazolo[4,3-c][1,7]naphthyridine-8-carboxylic acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.

Physical & Chemical Properties

Molecular FormulaC11H9N5O2
Molecular Weight243.22 g/mol
AppearancePale yellow to yellow crystalline powder
Purity97%+
StorageStore at 2-8°C, protect from light, keep sealed and dry
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening
Degree of Unsaturation (DBE)10.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2003
Nitrogen Atoms5

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