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ChemicalBook--->CAS DataBase List--->12627-35-9

12627-35-9

12627-35-9 Structure

12627-35-9 Structure
IdentificationBack Directory
[Name]

PENITREM A
[CAS]

12627-35-9
[Synonyms]

PENITREM A
TREMORTIN A
JDUWHZOLEDOQSR-JKPSMKLGSA-N
Penitrem A Nsc354845
PENITREM A, PENICILLIUM PAXILLI
penitrem A from penicillium palitans
Penitrem A from Penicillium paxilli
7,8-(Epoxymethano)-2H,6H-cyclobuta[5,6]benz[1,2-e]oxireno[4',4'a]-1-benzopyrano[5',6':6,7]indeno[1,2-b]indole-3,4b,7d(5H,7H)-triol, 12-chloro-3,3a,6a,8,9,9a,10,11,14,14b,14c,15,16,16a-tetradecahydro-14b,14c,17,17-tetramethyl-10-methylene-2-(1-methylethenyl)-, (2R,3S,3aR,4aS,4bS,6aR,7S,7dR,8R,9aR,14b...
2R,3S,3aR,4aS,4bS,6aR,7S,7dR,8R,9aR,14bS,14cR,16aS)-12-chloro-3,3a,6a,8,9,9a,10,11,14,14b,14c,15,16,16a-tetradecahydro-14b,14c,17,17-tetramethyl-10-methylene-2-(1-methylethenyl)-7,8-(epoxymethano)-2H,6H-cyclobuta[5,6]benz[1,2-e]oxireno[4',4'a]-1-benzopyrano[5',6':6,7]indeno[1,2-b]indole-3,4b,7d(5H,7H)-triol
[EINECS(EC#)]

634-132-0
[Molecular Formula]

C37H44ClNO6
[MDL Number]

MFCD00083465
[MOL File]

12627-35-9.mol
[Molecular Weight]

634.2
Chemical PropertiesBack Directory
[Occurrence]

A series of closely related metabolites of Penicillium crustosum has recently been isolated and the components separated chromatographically. Penitrem A forms colourless crystals from EtOH.
[Melting point ]

238°C
[density ]

1.0241 (rough estimate)
[refractive index ]

1.6000 (estimate)
[storage temp. ]

2-8°C
[solubility ]

Soluble in DMSO (up to 6 mg/ml)
[form ]

White solid.
[pka]

13.22±0.70(Predicted)
[color ]

Amorphous solid
[Stability:]

Stable for 1 year from date of purchase as supplied. Solutions in DMSO may be stored at -20°C for up to 3 months.
Hazard InformationBack Directory
[Chemical Properties]

Solid
[Uses]

Penitrem A is a tremorgenic mycotoxin isolated from Penicillium species. Penitrem A is a selective blocker of high-conductance Ca2+-activated potassium channels.
[Description]

Penitrem A (12627-35-9) is a fungal mycotoxin that acts as a selective, irreversible blocker of the smooth muscle high conductance Ca2+-activated K+?(BK, KCa1.1) channel (100% block at 10 nM).1?Displays brain neurotoxicity in rats along with dose-dependent convulsions and death.2?An important tool for studying the role of BK channels in vascular function which is effective in cellular, tissue and?in vivo?experiments.3?Inhibits BK channels in inside-out and cell-attached patches, whereas iberiotoxin (considered the gold standard BK channel blocker) does not.3?May be used to partially ablate Purkinje cells in immature rat cerebellum providing a model for neural stem cell transplantation studies.4
[Definition]

ChEBI: Penitrem A is an organooxygen compound and an organic heterotricyclic compound.
[Biochem/physiol Actions]

Penitrem A intoxication causes ataxia, polypnea, and sustained tremors and may lead to seizures and death. Penitrem A affects the central and peripheral nervous system. It impairs the GABAergic neurotransmission in the cerebellum.
[Safety Profile]

Poison by ingestion and intraperitoneal routes. An experimental teratogen. When heated to decomposition it emits very toxic fumes of Clí and NOx.
[storage]

-20°C
[References]

References/Citations:
Safety DataBack Directory
[Hazard Codes ]

T+,T
[Risk Statements ]

26/27/28
[Safety Statements ]

36/37/39-45
[RIDADR ]

UN 2811 6.1/PG 2
[WGK Germany ]

3
[RTECS ]

RY7535000
[HazardClass ]

6.1(a)
[PackingGroup ]

II
[HS Code ]

29349990
[Toxicity]

LD50 orl-mus: 10 mg/kg 41KEAL -,108,78
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