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303-33-3

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303-33-3 Structure

303-33-3 Structure
IdentificationBack Directory
[Name]

HELIOTRINE
[CAS]

303-33-3
[Synonyms]

C10324
Heliotrin
7S-Heliotrine
9-Heliotrylheliotridine
(2S)-2-Hydroxy-2-[(R)-1-methoxyethyl]-3-methylbutyric acid [(1S,7aR)-2,3,5,7a-tetrahydro-1-hydroxy-1H-pyrrolizin-7-yl]methyl
(2S)-2-Hydroxy-2-[(R)-1-methoxyethyl]-3-methylbutyric acid [(1S,7aR)-2,3,5,7a-tetrahydro-1-hydroxy-1H-pyrrolizin-7-yl]methyl ester
Butanoic acid, 2-hydroxy-2-[(1R)-1-methoxyethyl]-3-methyl-, [(1S,7aR)-2,3,5,7a-tetrahydro-1-hydroxy-1H-pyrrolizin-7-yl]methyl ester, (2S)-
[Molecular Formula]

C16H27NO5
[MDL Number]

MFCD00213991
[MOL File]

303-33-3.mol
[Molecular Weight]

313.39
Chemical PropertiesBack Directory
[Melting point ]

125-126℃
[Boiling point ]

453.19°C (rough estimate)
[density ]

1.19±0.1 g/cm3 (20 ºC 760 Torr)
[refractive index ]

1.4909 (estimate)
[storage temp. ]

2-8°C
[pka]

12.12±0.29(Predicted)
[EPA Substance Registry System]

Butanoic acid, 2-hydroxy-2-[(1R)-1-methoxyethyl]-3-methyl-, [(1S,7aR)-2,3,5,7a-tetrahydro-1-hydroxy-1H-pyrrolizin-7-yl]methyl ester, (2S)- (303-33-3)
Safety DataBack Directory
[Safety Statements ]

22-36/37/39-45
[RIDADR ]

1544
[HazardClass ]

6.1(b)
[PackingGroup ]

III
[Toxicity]

LD50 intravenous in mouse: 251mg/kg
Hazard InformationBack Directory
[Uses]

Heliotrine is a monoester pyrrolizidine alkaloid that can be found in the seeds of Heliotropium indicum, one of the most widely used herbs in India. Heliotrine exhibits mutagenic activity and ganglion blocking activity.
[Definition]

ChEBI: Heliotrine is a member of pyrrolizines.
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