303-33-3

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303-33-3 Structure

Identification	Back 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 Properties	Back 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 Data	Back Directory
[Safety Statements ] 22-36/37/39-45
[RIDADR ] 1544
[HazardClass ] 6.1(b)
[PackingGroup ] III
[Toxicity] LD50 intravenous in mouse: 251mg/kg

Hazard Information	Back 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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