Allopurinol Related Products

Allopurinol is a medication used to lower elevated uric acid levels in the blood. It is specifically used to prevent gout, prevent specific types of kidney stones and for the high uric acid levels that can occur with chemotherapy. Allopurinol is in the xanthine oxidase inhibitor family of medications. Typical side effects when taken orally may include itching and rash. 

Vsquare is a leading innovator in pharmaceutical reference standards. We supply high-quality Reference Standards of Allopurinol, pharmacopeial and non-pharmacopeial Allopurinol impurities, metabolites, stable isotope products, and nitrosamines (N-NO products). Allopurinol impurities reference standards are useful in pharmaceutical research. They are useful in product development, ANDA and DMF filing, quality control (QC), method validation, and stability studies. It is also useful in the identification of unknown impurities and the assessment of genotoxic potential.

Allopurinol-related products are thoroughly characterized. Allopurinol products are supplied with detailed COA & analytical data meeting regulatory compliance. We can also provide EP/USP traceable standards based on your requirements. The supplied products are re-tested at regular intervals.

Pharmaceutical Reference Standards

Allopurinol

Allopurinol
CAT No : VV-A005001
CAS No : 315-30-0
Mol.F. : C5H4N4O
Mol.Wt. : 136.1
Rel. CAS No : 14806-02-1 (HCl salt) ; 17795-21-0 (Na salt) ; 2415333-71-8 (Sulfate salt)

Allopurinol EP Impurity A (Sulfate)

Allopurinol EP Impurity A (Sulfate)
CAT No : VV-A005002
CAS No : 27511-79-1
Mol.F. : 2(C4H6N4O) : H2O4S
Mol.Wt. : 2(126.1) : 98.1
Rel. CAS No : 5334-31-6 (free base)

Allopurinol EP Impurity B

Allopurinol EP Impurity B
CAT No : VV-A005003
CAS No : 22407-20-1
Mol.F. : C5H6N4O2
Mol.Wt. : 154.1

Allopurinol EP Impurity C

Allopurinol EP Impurity C
CAT No : VV-A005004
CAS No : 1346604-13-4
Mol.F. : C6H6N6O
Mol.Wt. : 178.2

Allopurinol EP Impurity D

Allopurinol EP Impurity D
CAT No : VV-A005005
CAS No : 6994-25-8
Mol.F. : C6H9N3O2
Mol.Wt. : 155.2

Allopurinol EP Impurity E

Allopurinol EP Impurity E
CAT No : VV-A005006
CAS No : 31055-19-3
Mol.F. : C7H9N3O3
Mol.Wt. : 183.2

Allopurinol Impurity 1

Allopurinol Impurity 1
CAT No : VV-A005007
CAS No : NA
Mol.F. : C8H8N6O2
Mol.Wt. : 220.2

Allopurinol Impurity 2

Allopurinol Impurity 2
CAT No : VV-A005008
CAS No : 147156-43-2
Mol.F. : C5H6N4O2 : HCl
Mol.Wt. : 154.1 : 36.5
Rel. CAS No : 4919-05-5 (free base)

Allopurinol Nitrile Hydrochloride Impurity

Allopurinol Nitrile Hydrochloride Impurity
CAT No : VV-A005009
CAS No : 478081-97-9
Mol.F. : C4H4N4 : HCl
Mol.Wt. : 108.1 : 36.5
Rel. CAS No : 16617-46-2 (free base)

Allopurinol Nitrile Impurity

Allopurinol Nitrile Impurity
CAT No : VV-A005010
CAS No : 16617-46-2
Mol.F. : C4H4N4
Mol.Wt. : 108.1
Rel. CAS No : 478081-97-9 (HCl salt)

Allopurinol USP Impurity

Allopurinol USP Impurity
CAT No : VV-A005011
CAS No : NA
Mol.F. : C12H14N4O4
Mol.Wt. : 278.3

Allopurinol USP Related Compound F

Allopurinol USP Related Compound F
CAT No : VV-A005012
CAS No : 321571-07-7
Mol.F. : C12H14N4O4
Mol.Wt. : 278.3

Oxypurinol

Oxypurinol
CAT No : VV-A005013
CAS No : 2465-59-0
Mol.F. : C5H4N4O2
Mol.Wt. : 152.1

Stable Isotopes And Metabolites

Allopurinol D2

Allopurinol D2
CAT No : VV-A005D01
CAS No : 916979-34-5
Mol.F. : C5H2D2N4O
Mol.Wt. : 138.1

Allopurinol-13C,15N2

Allopurinol-13C,15N2
CAT No : VV-A005D03
CAS No : NA
Mol.F. : C413CH4N215N2O
Mol.Wt. : 139.1

Oxipurinol 13C 15N2

Oxipurinol 13C 15N2
CAT No : VV-A005D02
CAS No : 1217036-71-9
Mol.F. : C413CH4N215N2O2
Mol.Wt. : 155.1

Possible Nitroso Standards

Allopurinol Nitroso Impurity 1

Allopurinol Nitroso Impurity 1
CAT No : VV-A005014
CAS No : NA
Mol.F. : C5H3N5O2
Mol.Wt. : 165.1

Allopurinol Nitroso Impurity 2

Allopurinol Nitroso Impurity 2
CAT No : VV-A005015
CAS No : NA
Mol.F. : C5H3N5O2
Mol.Wt. : 165.1