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SZ CAT No SZ-A074001
CAS No 315-30-0
Mol.F. C5H4N4O
Mol.Wt. 136.1
Inv. Status In Stock
Rel. CAS No 14806-02-1 (HCl salt) ; 17795-21-0 (Na salt) ; 2415333-71-8 (Sulfate salt)

Chemical Name: 1,5-Dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-one (as per EP & USP)

Synonym: Allopur; Caplenal; Cellidrin

Smiles: O=C1C2=C(NN=C2)N=CN1

Inchi: InChI=1S/C21H28O3/c1-20-8-6-14(22)11-18(20)13(12-24-3)10-15-16-4-5-19(23)21(16,2)9-7-17(15)20/h6,8,11,13,15-17H,4-5,7,9-10,12H2,1-3H3/t13-,15+,16+,17+,20-,21+/m1/s1

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