CRM-MCRR

Certified Calibration Solution for Microcystin-RR

Microcystin-RR (MCRR) is a cyclic peptide toxin produced by freshwater cyanobacteria [1]. Microcystins have been associated with domestic and wild animal poisonings and pose a threat to human health through contamination of drinking water supplies. CRM-MCRR is a certified instrument calibration solution prepared to aid the analyst in the determination of microcystin-RR. Each ampoule

contains approximately 0.5 mL of a solution of the toxin dissolved in aqueous methanol (1:1, v/v) at a concentration suitable for calibration of liquid chromatography experiments.

Table 1: Certified concentration values for microcystin-RR in CRM-MCRR.

Microcystin-RR

CAS registry no: 111755- 37- 4

Molecular formula: C 49 H 75 N 13 O 12

Molecular weight: 1038.2 g/mol

[M+H] + : m/z 1038.5731

Expiry date: 1 year from date of sale.

Storage conditions: freezer (-12 °C or lower)

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