The minimum recommended sub-sample is 1mL. The ampoule should be used once and not stored and re-sampled. Accuracy is optimized by transferring the maximum amount of standard solution.
34037
Ochratoxin A solution
10 μg/mL in acetonitrile, analytical standard
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About This Item
Empirical Formula (Hill Notation):
C20H18ClNO6
CAS Number:
Molecular Weight:
403.81
Beilstein:
8169012
EC Number:
MDL number:
UNSPSC Code:
85151701
PubChem Substance ID:
NACRES:
NA.24
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grade
analytical standard
Quality Level
shelf life
limited shelf life, expiry date on the label
concentration
10 μg/mL in acetonitrile
technique(s)
HPLC: suitable
gas chromatography (GC): suitable
solubility
methanol: soluble 5 mg/mL, clear, yellow(lit.)
application(s)
cleaning products
cosmetics
food and beverages
personal care
format
single component solution
storage temp.
−20°C
SMILES string
C[C@@H]1Cc2c(Cl)cc(c(O)c2C(=O)O1)C(=O)N[C@@H](Cc3ccccc3)C(O)=O
InChI
1S/C20H18ClNO6/c1-10-7-12-14(21)9-13(17(23)16(12)20(27)28-10)18(24)22-15(19(25)26)8-11-5-3-2-4-6-11/h2-6,9-10,15,23H,7-8H2,1H3,(H,22,24)(H,25,26)/t10-,15+/m1/s1
InChI key
RWQKHEORZBHNRI-BMIGLBTASA-N
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General description
Certan Vial
Ochratoxin is a mycotoxin, produced by genus Aspergillus and Penicillium. Ochratoxin producers are widely distributed in foods such as cereals.[1] Ochratoxins are isocoumarin derivatives.[2] A quantitative detection method for ochratoxin A by using aptamer (single-stranded oligonucleotides selected in vitro to bind to molecular targets) is reported.[3]
Application
Ochratoxin A (OTA) was used in quantification of OTA in table wine by immunoaffinity column clean-up and high-performance liquid chromatography.[1] It was used as analytical standard in sample clean-up method based on immuno-ultrafiltration for the analysis of OTA in cereals.[2] It was used as analytical standard to study the influence of OTA on the rat embryonic neural cells cultured in high density “micromass cultures”.[4]
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Signal Word
Danger
Hazard Statements
Precautionary Statements
Hazard Classifications
Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Eye Irrit. 2 - Flam. Liq. 2
Storage Class Code
3 - Flammable liquids
WGK
WGK 2
Flash Point(F)
35.6 °F - closed cup
Flash Point(C)
2 °C - closed cup
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
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Iwona Wilk-Zasadna et al.
International journal of molecular sciences, 10(1), 37-49 (2009-04-01)
Embryonic midbrain micromass cultures were exposed for five days to ochratoxin A (OTA) at seven concentrations (ranging from 0.16 to 10 microg/mL). Cell viability was assessed in neutral red uptake test (NRU), and differentiation - by immunoenzymatic determination of structural
Jorge A Cruz-Aguado et al.
Journal of agricultural and food chemistry, 56(22), 10456-10461 (2008-11-06)
This work describes the identification of an aptamer that binds with high affinity and specificity to ochratoxin A (OTA), a mycotoxin that occurs in wheat and other foodstuffs, and a quantitative detection method for OTA based on the use of
Elisabeth Viktoria Reiter et al.
Analytical and bioanalytical chemistry, 400(8), 2615-2622 (2011-04-05)
The paper presents a new sample clean-up method based on immuno-ultrafiltration for the analysis of ochratoxin A in cereals. In contrast to immunoaffinity chromatography, in immuno-ultrafiltration, the antibodies are used in non-immobilised form. Ochratoxin A was extracted with ACN/water (60/40
A Visconti et al.
Journal of chromatography. A, 864(1), 89-101 (2000-01-12)
A new and accurate method to quantify ochratoxin A (OA) in table wine has been developed. The method uses commercial immunoaffinity columns for clean-up and high-performance liquid chromatography (HPLC) with fluorescence detection for quantification of the toxin. Wine was diluted
Xia Geng et al.
Analytical and bioanalytical chemistry, 405(8), 2443-2449 (2013-01-31)
By taking advantage of the intrinsic fluorescence of ochratoxin A (OTA), we present a fluorescence anisotropy approach for rapid analysis of the interactions between OTA and aptamers. The specific binding of OTA with a 36-mer aptamer can induce increased fluorescence
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Please I would like to know if the information contained in the certificate "The minimum recommended amount of subsample for all application types is 1 mL" is correct. Normally, it is allowed to withdraw vol. of up to 10 microliters from the standard
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