Skip to Content
Merck
All Photos(1)

Key Documents

1013002

USP

Allopurinol

United States Pharmacopeia (USP) Reference Standard

Synonym(s):

1H-Pyrazolo(3,4-d)pyrimidin-4-ol, 4-Hydroxypyrazolo(3,4-d)pyrimidine, 4-Hydroxypyrazolo[3,4-d]pyrimidine, HPP

Sign Into View Organizational & Contract Pricing


About This Item

Empirical Formula (Hill Notation):
C5H4N4O
CAS Number:
Molecular Weight:
136.11
MDL number:
UNSPSC Code:
41116107
PubChem Substance ID:
NACRES:
NA.24

grade

pharmaceutical primary standard

API family

allopurinol

manufacturer/tradename

USP

mp

>300 °C (lit.)

application(s)

pharmaceutical (small molecule)

format

neat

storage temp.

15-25°C

SMILES string

O=C1NC=Nc2[nH]ncc12

InChI

1S/C5H4N4O/c10-5-3-1-8-9-4(3)6-2-7-5/h1-2H,(H2,6,7,8,9,10)

InChI key

OFCNXPDARWKPPY-UHFFFAOYSA-N

Gene Information

human ... XDH(7498)

Looking for similar products? Visit Product Comparison Guide

General description

This product is provided as delivered and specified by the issuing Pharmacopoeia. All information provided in support of this product, including SDS and any product information leaflets have been developed and issued under the Authority of the issuing Pharmacopoeia.For further information and support please go to the website of the issuing Pharmacopoeia.

Application

Allopurinol USP reference standard, intended for use in specified quality tests and assays as specified in the USP compendia. Also, for use with USP monographs such as:
  • Allopurinol Compounded Oral Suspension
  • Allopurinol Tablets

Biochem/physiol Actions

Inhibitor of xanthine oxidase and de novo pyrimidine biosynthesis. A classical agent in treatment of hyperuricemia and gout.

Analysis Note

These products are for test and assay use only. They are not meant for administration to humans or animals and cannot be used to diagnose, treat, or cure diseases of any kind.  ​

Other Notes

Sales restrictions may apply.

related product

Product No.
Description
Pricing

Pictograms

Skull and crossbones

Signal Word

Danger

Hazard Statements

Hazard Classifications

Acute Tox. 3 Oral - Skin Sens. 1

Storage Class Code

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Dino Premilovac et al.
Diabetologia, 57(12), 2586-2595 (2014-09-13)
High sodium (HS) effects on hypertension are well established. Recent evidence implicates a relationship between HS intake and insulin resistance, even in the absence of hypertension. The aim of the current study was to determine whether loss of the vascular
Jennifer J DuPont et al.
American journal of physiology. Renal physiology, 306(12), F1499-F1506 (2014-04-25)
Oxidative stress promotes vascular dysfunction in chronic kidney disease (CKD). We utilized the cutaneous circulation to test the hypothesis that reactive oxygen species derived from NADPH oxidase and xanthine oxidase impair nitric oxide (NO)-dependent cutaneous vasodilation in CKD. Twenty subjects
C C Wen et al.
Clinical pharmacology and therapeutics, 97(5), 518-525 (2015-02-14)
The first-line treatment of hyperuricemia, which causes gout, is allopurinol. The allopurinol response is highly variable, with many users failing to achieve target serum uric acid (SUA) levels. No genome-wide association study (GWAS) has examined the genetic factors affecting allopurinol
Lisa K Stamp et al.
Rheumatology (Oxford, England), 53(11), 1958-1965 (2014-06-06)
The aims of this study were to establish whether, in patients with gout, MPO is released from neutrophils and urate is oxidized to allantoin and if these effects are attenuated by allopurinol. MPO, urate, allantoin and oxypurinol were measured in
Zhao-Qing Meng et al.
The American journal of Chinese medicine, 42(6), 1471-1483 (2014-11-12)
Gout is a metabolic disorder associated with hyperuricemia resulting in the deposition of monosodium urate (MSU) crystals in joints and tissues. Lowering serum uric acid (Sur) levels and anti-inflammation are highly essential in treating gout. Chlorogenic acid (CA), as one

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service