A mycotoxin
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Viomellein

Item No. 43200

Product Insert (PDF)Safety Data Sheet (SDS) (PDF)
Technical Information
Formal Name
(3R,3′R)-3,3′,4,4′-tetrahydro-9′,10,10′-trihydroxy-7,7′-dimethoxy-3,3′-dimethyl-[8,8′-bi-1H-naphtho[2,3-c]pyran]-1,1′,6,9-tetrone
CAS Number
55625-78-0
Molecular Formula
C30H24O11
Formula Weight
560.5
Purity
≥70%
Formulation (Request formulation change)
A solid
Solubility(Learn about Variance in Solubility)
Dichloromethane: solubleDMSO: solubleEthanol: solubleMethanol: soluble
SMILES
COC1=C(C2=C(O)C(C(O)=C3C(C[C@H](OC3=O)C)=C4)=C4C=C2OC)C(C5=C(O)C(C(O[C@@H](C6)C)=O)=C6C=C5C1=O)=O
InChi Code
InChI=1S/C30H24O11/c1-10-5-12-7-14-9-16(38-3)21(25(33)17(14)24(32)18(12)29(36)40-10)22-27(35)20-15(23(31)28(22)39-4)8-13-6-11(2)41-30(37)19(13)26(20)34/h7-11,32-34H,5-6H2,1-4H3/t10-,11-/m1/s1
InChi Key
CKVKZAJXACTIEL-GHMZBOCLSA-N
Shipping & Storage Information
Storage
-20°C
Shipping
Room temperature in continental US; may vary elsewhere
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    1 mg

    $241

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    Product Description

    Viomellein is a mycotoxin that has been found in P. viridicatum.1 Dietary administration of viomellein (456 mg/kg in feed) induces necrotizing cholangitis in mice. Viomellein is also active against S. aureus and C. albicans (MICs = 0.78 and 6.25 µg/ml).2

    WARNING This product is not for human or veterinary use.

    References & Product Citations
    Product Description References

    1. Carlton, W.W., Stack, M.E., and Eppley, R.M. Hepatic alterations produced in mice by xanthomegnin and viomellein, metabolites of Penicillium viridicatum. Toxicol. Appl. Pharmacol. 38(2), 455-459 (1976).

    2. Ninomiya, A., Masuda, K., Yamada, T., et al. Rediscovery of viomellein as an antibacterial compound and identification of its biosynthetic gene cluster in dermatophytes. Appl. Environ. Microb. Online ahead of print, e0243124 (2025).