Yessotoxin (YTX) 类虾夷扇贝毒素
CRM-YTX
Certified Calibration Solution for Yessotoxin
The yessotoxins (YTXs) are a group of polycyclic ether compounds produced by various dinoflagellate algae including Protoceratium reticulatum, Lingulodinium polyedrum and Gonyaulax spinifera [1]. The maximum allowable levels of certain YTXs in shellfish for human consumption is regulated [2]. CRM-YTX-c is a certified calibration solution of YTX in methanol and is a replacement for CRM-YTX-b,
which was released in 2012.
Table 1: Certified concentration value for CRM-YTX
Yessotoxin (protonated form)
CAS registry No.: 112514-54-2
Molecular formula: C 55 H 82 O 21 S 2
Molecular weight: 1143.4 g/mol
[M-H] - : m/z 1141.4717
[M-2H] 2- : m/z 570.2322
Yessotoxin (sodium salt form)
Molecular formula: C 55 H 80 O 21 S 2 Na 2
Molecular weight: 1187.3 g/mol
Period of validity: 1 year from date of sale
Storage conditions: -12 °C or below
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