Certificate of Analysis(Ver.2.0)
Ochratoxin A in Acetonitrile

1. General information
This document is designed and the certified value(s) and uncertainty(ies) are determined in
accordance with ISO Guide 31[1].
2. Description of the Reference Material (RM)
Product name: Ochratoxin A in Acetonitrile
Product number: STD#5014
CAS number: 303-47-9
Formula: C20H18ClNO6
Formula weight: 403.82
Lot#: 2B00E09
Result concentration: 50.45±0.70μg/mL
Starting material: Ochratoxin A,lot#J200512P, Pribolab Pte. Ltd.
Matrix: Acetonitrile, LiChrosolv®,Merck
Amount: 1.2mL
Production date: 09,May,2022
Expiry date: 08,May,2023
Name of the supplier: Pribolab Pte. Ltd.
2.1 Intended use of the RM
- for laboratory use only
- calibration of analytical instruments

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