Allopurinol EP Impurity A (Sulfate)

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

Allopurinol EP Impurity A (Sulfate) is chemically 5-Amino-1H-pyrazole-4-carboxamide (as per EP) ; 3-Amino-4-carboxamidopyrazole (as per USP). It is also known as Allopurinol USP Related Compound A. Allopurinol EP Impurity A (Sulfate) is supplied with detailed characterization data compliant with regulatory guideline. Allopurinol EP Impurity A (Sulfate) can be used for the analytical method development, method validation (AMV), Quality Controlled (QC) application for Abbreviated New Drug Application (ANDA) or during commercial production of Allopurinol.

The product can be used as reference standards and further traceability against pharmacopeial standards (USP or EP) can be provided based on feasibility. SynZeal products are for analytical purpose only and not for human use.