territrem B

Product Name: territrem B
CAS No.: 70407-20-4
Chemical Name: territrem B
Synonyms: territrem B;TERRITREM B(RG);PubChem ID: 114734;(4aR)-4a,6,6a,12,12a,12b-Hexahydro-4aβ,12aβ-dihydroxy-4,4,6aα,12bα-tetramethyl-9-(3,4,5-trimethoxyphenyl)-4H,11H-naphtho[2,1-b]pyrano[3,4-e]pyran-1,11(5H)-dione;4H,11H-Naphtho[2,1-b]pyrano[3,4-e]pyran-1,11(5H)-dione, 4a,6,6a,12,12a,12b-hexahydro-4a,12a-dihydroxy-4,4,6a,12b-tetramethyl-9-(3,4,5-trimethoxyphenyl)-, (4aR,6aR,12aS,12bS)-
CBNumber: CB91314602
Molecular Formula: C29H34O9
Formula Weight: 526.57
MOL File: 70407-20-4.mol

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territrem B Property

Melting point:: 200～203℃
Boiling point:: 693.0±55.0 °C(Predicted)
Density: 1.35±0.1 g/cm3(Predicted)
storage temp.: Store at -20°C
solubility: DMSO: soluble
form: A solid
pka: 12.11±0.70(Predicted)
color: White to off-white

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Danger

Hazard statements

H330Fatal if inhaled

Precautionary statements

P260Do not breathe dust/fume/gas/mist/vapours/spray.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P270Do not eat, drink or smoke when using this product.

P271Use only outdoors or in a well-ventilated area.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P284Wear respiratory protection.

P301+P310IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P304+P340IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.

P312Call a POISON CENTER or doctor/physician if you feel unwell.

P320Specific treatment is urgent (see … on this label).

P330Rinse mouth.

P403+P233Store in a well-ventilated place. Keep container tightly closed.

P405Store locked up.

P501Dispose of contents/container to..…

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N-Bromosuccinimide Price

Cayman Chemical

Product number: 26913
Product name: Territrem B
Packaging: 500μg
Price: $130
Updated: 2024/03/01

Cayman Chemical

Product number: 26913
Product name: Territrem B
Packaging: 1mg
Price: $219
Updated: 2024/03/01

TRC

Product number: T548810
Product name: TerritremB
Packaging: 1000μg
Price: $205
Updated: 2021/12/16

Usbiological

Product number: 207416
Product name: Territrem B
Packaging: 500ug
Price: $342
Updated: 2021/12/16

American Custom Chemicals Corporation

Product number: TOX0000061
Product name: TERRITREM B
Purity: 95.00%
Packaging: 5MG
Price: $503.43
Updated: 2021/12/16

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territrem B Chemical Properties,Usage,Production

Description

Territrem B (TRB) is a fungal metabolite isolated from Aspergillus terreus shown previously to be a potent and irreversible inhibitor of acetylcholinesterase (AChE).

Description

Territrem B is a mycotoxin originally isolated from A. terreus that irreversibly inhibits acetylcholinesterase (AChE; IC₅₀ = 19 nM for the electric eel enzyme). 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.

Uses

Territrem B is a potent and irreversible inhibitor of acetylcholinesterase.

Uses

Territrem B is an α-pyrone tremorgenic mycotoxin first identified from an Aspergillus terreus strain by Ling and colleagues at Taiwan National University in 1979. Territrem B is a potent insecticide acting via irreversible inhibition of acetylcholinesterase (AChE). The binding mechanism is very different from typical irreversible AChE inhibitors like neostigmine and the organophospates.

Biological Activity

Territrem B is a mycotoxin originally isolated from A. terreus that irreversibly inhibits acetylcholinesterase (AChE; IC50 = 19 nM for the electric eel enzyme). 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.

References

Territrems, tremorgenic mycotoxins of Aspergillus terreus. Ling K.L. et al., Appl. Env. Microbiol. 1979, 37, 355.
Toxicity and anticholinesterase activity of the fungal metabolites territrems to the corn earworm, Helicoverpa zea. Dowd P.F. et al., Entomol. Exp. Appl. 1992, 65, 57.
Territrem B, a tremorgenic mycotoxin that inhibits acetylcholinesterase with a noncovalent yet irreversible binding mechanism. Jen-Wei Chen J-W. et al., J. Biol. Chem. 1999, 274, 34916.

territrem B Preparation Products And Raw materials

Raw materials

Preparation Products

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territrem B Suppliers

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territrem B

PubChem ID: 114734

(4aR)-4a,6,6a,12,12a,12b-Hexahydro-4aβ,12aβ-dihydroxy-4,4,6aα,12bα-tetramethyl-9-(3,4,5-trimethoxyphenyl)-4H,11H-naphtho[2,1-b]pyrano[3,4-e]pyran-1,11(5H)-dione

TERRITREM B(RG)

4H,11H-Naphtho[2,1-b]pyrano[3,4-e]pyran-1,11(5H)-dione, 4a,6,6a,12,12a,12b-hexahydro-4a,12a-dihydroxy-4,4,6a,12b-tetramethyl-9-(3,4,5-trimethoxyphenyl)-, (4aR,6aR,12aS,12bS)-

70407-20-4