If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/418/501/product-dating-information-06-25-mk.pdf
34037
Ochratoxin A solution
10 μg/mL in acetonitrile, analytical standard
Select a Size
| Size/SKU | Availability | Price |
|---|---|---|
2 mL | Please contact Customer Service for Availability | CZK 14,000.00 |
About This Item
grade
analytical standard
Quality Segment
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
General description
Application
Disclaimer
1 of 1
This Item | |||
|---|---|---|---|
| grade analytical standard | grade certified reference material, TraceCERT® | grade - | grade - |
| technique(s) HPLC: suitable, gas chromatography (GC): suitable | technique(s) HPLC: suitable, gas chromatography (GC): suitable | technique(s) - | technique(s) - |
| application(s) cleaning products | application(s) cleaning products | application(s) - | application(s) - |
| format single component solution | format single component solution | format - | format - |
| concentration 10 μg/mL in acetonitrile | concentration 50 μg/mL in benzene: acetic acid (99:1) | concentration - | concentration - |
| solubility methanol: soluble 5 mg/mL, clear, yellow(lit.) | solubility - | solubility ethanol: soluble | solubility - |
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signalword
Danger
Hazard Classifications
Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Eye Irrit. 2 - Flam. Liq. 2
Storage Class
3 - Flammable liquids
flash_point_f
35.6 °F - closed cup
flash_point_c
2 °C - closed cup
ppe
Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
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How can I determine the shelf life / expiration / retest date of this product?
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How is shipping temperature determined? And how is it related to the product storage temperature?
1 answer-
Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf
Helpful?
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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
1 answer-
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.
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