MedKoo Cat#: 462787 | Name: Ochratoxin TA

Description:

WARNING: This product is for research use only, not for human or veterinary use.

Ochratoxin TA, a mycotoxin produced by several Aspergillus and Penicillium species, is a worldwide contaminant of food and feedstuffs. It is nephrotoxic, immunosuppressive and carcinogenic in several animal species. Biotransformation reactions have been implicated in the tumorigenicity of ochratoxin TA.

Chemical Structure

Ochratoxin TA
Ochratoxin TA
CAS#53011-67-9

Theoretical Analysis

MedKoo Cat#: 462787

Name: Ochratoxin TA

CAS#: 53011-67-9

Chemical Formula: C20H18ClNO7

Exact Mass: 419.0772

Molecular Weight: 419.81

Elemental Analysis: C, 57.22; H, 4.32; Cl, 8.44; N, 3.34; O, 26.68

Price and Availability

This product is currently not in stock but may be available through custom synthesis. To ensure cost efficiency, the minimum order quantity is 1 gram. The estimated lead time is 2 to 4 months, with pricing dependent on the complexity of the synthesis (typically high for intricate chemistries). Quotes for quantities below 1 gram will not be provided. To request a quote, please click the button below. Note: If this product becomes available in stock in the future, pricing will be listed accordingly.
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Synonym
Ochratoxin TA;
IUPAC/Chemical Name
(5-chloro-8-hydroxy-3-methyl-1-oxoisochromane-7-carbonyl)-L-tyrosine
InChi Key
NMPHXGOYUUBGIK-POGJTHQKSA-N
InChi Code
InChI=1S/C20H18ClNO7/c1-9-6-12-14(21)8-13(17(24)16(12)20(28)29-9)18(25)22-15(19(26)27)7-10-2-4-11(23)5-3-10/h2-5,8-9,15,23-24H,6-7H2,1H3,(H,22,25)(H,26,27)/t9?,15-/m0/s1
SMILES Code
CC1Cc2c(C(O1)=O)c(O)c(C(N[C@H](C(O)=O)Cc3ccc(O)cc3)=O)cc2Cl
Appearance
Solid powder
Purity
>98% (or refer to the Certificate of Analysis)
Shipping Condition
Shipped under ambient temperature as non-hazardous chemical. This product is stable enough for a few weeks during ordinary shipping and time spent in Customs.
Storage Condition
Dry, dark and at 0 - 4 C for short term (days to weeks) or -20 C for long term (months to years).
Solubility
Soluble in DMSO
Shelf Life
>3 years if stored properly
Drug Formulation
This drug may be formulated in DMSO
Stock Solution Storage
0 - 4 C for short term (days to weeks), or -20 C for long term (months).
HS Tariff Code
2934.99.9001
More Info

Preparing Stock Solutions

The following data is based on the product molecular weight 419.81 Batch specific molecular weights may vary from batch to batch due to the degree of hydration, which will affect the solvent volumes required to prepare stock solutions.

Recalculate based on batch purity %
Concentration / Solvent Volume / Mass 1 mg 5 mg 10 mg
1 mM 1.15 mL 5.76 mL 11.51 mL
5 mM 0.23 mL 1.15 mL 2.3 mL
10 mM 0.12 mL 0.58 mL 1.15 mL
50 mM 0.02 mL 0.12 mL 0.23 mL
1: Zepnik H, Pähler A, Schauer U, Dekant W. Ochratoxin A-induced tumor formation: is there a role of reactive ochratoxin A metabolites? Toxicol Sci. 2001 Jan;59(1):59-67. doi: 10.1093/toxsci/59.1.59. PMID: 11134544. 2: Föllmann W, Lucas S. Effects of the mycotoxin ochratoxin A in a bacterial and a mammalian in vitro mutagenicity test system. Arch Toxicol. 2003 May;77(5):298-304. doi: 10.1007/s00204-002-0423-x. Epub 2003 Mar 19. PMID: 12734645. 3: Kubena LF, Phillips TD, Creger CR, Witzel DA, Heidelbaugh ND. Toxicity of ochratoxin A and tannic acid to growing chicks. Poult Sci. 1983 Sep;62(9):1786-92. doi: 10.3382/ps.0621786. PMID: 6634608. 4: Moez E, Noel D, Brice S, Benjamin G, Pascaline A, Didier M. Aptamer assisted ultrafiltration cleanup with high performance liquid chromatography-fluorescence detector for the determination of OTA in green coffee. Food Chem. 2020 Apr 25;310:125851. doi: 10.1016/j.foodchem.2019.125851. Epub 2019 Nov 8. PMID: 31767477. 5: Knasmüller S, Cavin C, Chakraborty A, Darroudi F, Majer BJ, Huber WW, Ehrlich VA. Structurally related mycotoxins ochratoxin A, ochratoxin B, and citrinin differ in their genotoxic activities and in their mode of action in human- derived liver (HepG2) cells: implications for risk assessment. Nutr Cancer. 2004;50(2):190-7. doi: 10.1207/s15327914nc5002_9. PMID: 15623466. 6: Clouvel P, Bonvarlet L, Martinez A, Lagouarde P, Dieng I, Martin P. Wine contamination by ochratoxin A in relation to vine environment. Int J Food Microbiol. 2008 Mar 31;123(1-2):74-80. doi: 10.1016/j.ijfoodmicro.2007.12.003. Epub 2007 Dec 23. PMID: 18222561. 7: Arlt VM, Stiborova M, Schmeiser HH. Aristolochic acid as a probable human cancer hazard in herbal remedies: a review. Mutagenesis. 2002 Jul;17(4):265-77. doi: 10.1093/mutage/17.4.265. PMID: 12110620. 8: Wei RD, Chu FS. Synthesis of ochratoxins TA and TC, analogs of ochratoxins A and C. Experientia. 1974 Feb 15;30(2):174-5. doi: 10.1007/BF01927717. PMID: 4814604. 9: Bachmann M, Blaser P, Lüthy J, Schlatter C. Toxicity and mutagenicity of anthraquinones from Aspergillus chevalieri. J Environ Pathol Toxicol Oncol. 1992 Mar-Apr;11(2):49-52. PMID: 1573565.