Chemical Name: 3-[(2-Cyano-3-ethoxy-3-oxo-1-propen-1-yl)amino]-1H-pyrazole-4-carboxylic Acid Ethyl Ester
Smiles: O=C(C1=CNN=C1N/C=C(C#N)/C(OCC)=O)OCC
Inchi: InChI=1S/C8H8N6O2/c9-1-4(6(10)15)2-12-8-5(7(11)16)3-13-14-8/h2-3H,(H2,10,15)(H2,11,16)(H2,12,13,14)/b4-2+
Automated fluorimetric determination of the genotoxic impurity hydrazine in allopurinol pharmaceuticals using zone fluidics and on-line solid phase extraction
Paraskevas D. Tzanavaras a,∗, Stefanos Themistokleous a, Constantinos K. Zacharis
Journal of Pharmaceutical and Biomedical Analysis 177 (2020) 112887
A Validated Stability Indicating RP-UPLC Method for the Quantitative Determination of Potential Impurities of Allopurinol
Sajan PG*1, Rohith T1, Santosh Patil2, Mantelingu K3, Rangappa K S3, Kumara M N
Am. J. Pharm Health Res 2014;2(10)
Development Of A Stability Indicating RP-RRLC Method For Determination Of Allopurinol And Its Degradation Products In Solid Oral Dosage
Sukhdev Singh1*, Zakir Gadhawala
Int.J.PharmTech Res.2013,5(1), pp 44-53