Certificate of Analysis(Ver.1.0)
Ochratoxin A,B,C 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,B,C in Acetonitrile
Product number: STD#5041
Lot#: 2A01J25
CAS number: Ochratoxin A:303-47-9; Ochratoxin B:4825-86-9; Ochratoxin C:4865-85-4;
Formula: Ochratoxin A:C20H18ClNO6; Ochratoxin B:C20H19NO6; Ochratoxin C:C22H22ClNO6;
Formula weight: Ochratoxin A:403.82; Ochratoxin B:369.37; Ochratoxin C:431.87;
Result concentration: Ochratoxin A:10.21±1.4μg/mL;
Ochratoxin B:10.00±1.4μg/mL;
Ochratoxin C:10.03±1.2μg/mL;
Starting material: Ochratoxin A:lot#J200512P,Pribolab Pte. Ltd.;
Ochratoxin B:lot#I190220P, Pribolab Pte. Ltd.;
Ochratoxin C:lot#I190220P,Pribolab Pte. Ltd.;
Matrix: Acetonitrile, LiChrosolv®, Merck
Amount: 1.2mL
Production date: 25,Oct,2021
Expiry date: 24,Apr,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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