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NIST913B

Uric acid

NIST® SRM® 913b

Synonym(s):

2,6,8-Trihydroxypurine

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About This Item

Empirical Formula (Hill Notation):
C5H4N4O3
CAS Number:
69-93-2
Molecular Weight:
168.11
UNSPSC Code:
41116107
NACRES:
NA.24
PubChem Substance ID:
329818778
MDL number:
MFCD00005712
Beilstein/REAXYS Number:
156158

Key Documents

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Product Name

Uric acid, NIST® SRM® 913b

InChI

1S/C5H4N4O3/c10-3-1-2(7-4(11)6-1)8-5(12)9-3/h(H4,6,7,8,9,10,11,12)

SMILES string

O=C1NC(=O)C2=C(N1)NC(=O)N2

InChI key

LEHOTFFKMJEONL-UHFFFAOYSA-N

grade

certified reference material

form

crystalline (solid)

packaging

pkg of 10 g

manufacturer/tradename

NIST®

technique(s)

GC/MS: suitable
LC/MS: suitable
UV/Vis spectroscopy: suitable

mp

>300 °C (lit.)

application(s)

clinical testing

format

neat

Quality Level

100

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Application

This uric acid is intended primarily for use in the calibration and standardization of procedures for uric acid determinations employed in clinical analysis. It is also used for routine critical evaluation of the daily working standards used in these procedures.

General description

This uric acid standard reference material (SRM) is a chemical with known purity. A unit of SRM 913b consists of one bottle containing 10 g of crystalline uric acid.

NIST913B_Cert

NIST913B_SDS

Other Notes

Certified for the analytes listed below.
Uric Acid (C5H4N4O3)

See certificate for values and more details at nist.gov/SRM.
  • Refer to the NIST certificate for details on expiry, storage, and usage.
  • Notes for biomaterials, disposal, and transport information are available in SDS.

Preparation Note

  • The bottle must be stored at temperatures between 20 °C and 25 °C and protected from excessive light and moisture.

Legal Information

NIST is a registered trademark of National Institute of Standards and Technology
SRM is a registered trademark of National Institute of Standards and Technology

Storage Class

11 - Combustible Solids

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’.

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Towards the physiological function of uric acid.
Becker F B.
Free Radical Biology & Medicine, 14(6), 615-631 (1993)
Core Concepts in Parenchymal Kidney Disease (2013)
Measurement of serum uric acid by isotope dilution liquid chromatography tandem mass spectrometry: Modification of a candidate reference
Jun Y, et al.
International Journal of Mass Spectrometry, 482, 116911-116911 (2022)
Primer on Kidney Diseases, Volume 953 (2005)

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