A mycotoxin and AChE inhibitor
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Territrem B

Item No. 26913

Product Insert (PDF)Safety Data Sheet (SDS) (PDF)
Technical Information
Formal Name
(4aR,6aR,12aS,12bS)-4a,6,6a,12,12a,12b-hexahydro-4a,12a-dihydroxy-4,4,6a,12b-tetramethyl-9-(3,4,5-trimethoxyphenyl)-4H,11H-naphtho[2,1-b]pyrano[3,4-e]pyran-1,11(5H)-dione
CAS Number
70407-20-4
Molecular Formula
C29H34O9
Formula Weight
526.6
Purity
≥95%
Formulation (Request formulation change)
A solid
Solubility(Learn about Variance in Solubility)
DMSO: Soluble
SMILES
O=C1C=CC(C)(C)[C@]([C@@]21C)(O)CC[C@@]([C@]2(O)C3)(C)OC4=C3C(OC(C5=CC(OC)=C(OC)C(OC)=C5)=C4)=O
InChi Code
InChI=1S/C29H34O9/c1-25(2)9-8-22(30)27(4)28(25,32)11-10-26(3)29(27,33)15-17-19(38-26)14-18(37-24(17)31)16-12-20(34-5)23(36-7)21(13-16)35-6/h8-9,12-14,32-33H,10-11,15H2,1-7H3/t26-,27+,28-,29-/m1/s1
InChi Key
PBXNNDFKPQPJBB-VJLHXPKFSA-N
Shipping & Storage Information
Storage
-20°C
Shipping
Wet ice in continental US; may vary elsewhere
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    Product Description

    Territrem B is a mycotoxin originally isolated from A. terreus that irreversibly inhibits acetylcholinesterase (AChE; IC50 = 19 nM for the electric eel enzyme).1 It is toxic to mice, inducing tremors with a median tremulous dose of 0.21 mg/kg, and has an LD50 value of 9.06 mg/kg.2

    WARNING This product is not for human or veterinary use.

    References & Product Citations
    Product Description References

    1. Chen, J.-W., and Ling, K.-H. Territrems: Naturally occurring specific irreversible inhibitors of acetylcholinesterase. J. Biomed. Sci. 3(1), 54-58 (1996).

    2. Ling, K.H., Liou, H.-H., Yang, C.-M., et al. Isolation, chemical structure, acute toxicity, and some physicochemical properties of territrem C from Aspergillus terreus. Appl. Environ. Microbiol. 47(1), 98-100 (1984).