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Allopurinol EP Impurity A

SZ CAT No SZ-A074002
CAS No 27511-79-1
Mol.F. 2(C4H6N4O) : H2O4S
Mol.Wt. 2(126.1) : 98.1
Inv. Status In Stock
Rel. CAS No 27511-79-1 (sulfate salt)


Chemical Name: 5-amino-1H-pyrazole-4-carboxamide (as per EP) ; 3-Amino-4-carboxamidopyrazole (as per USP)

Synonym: Allopurinol USP Related Compound A

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