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Structure

L-Proline 147-85-3

L-Proline 147-85-3

Specifications

  • Catalogue No.: 10659
  • Product Name: L-Proline
  • Synonyms: (S)-Pyrrolidine-2-carboxylic acid
  • CAS: 147-85-3
  • EC: 205-702-2
  • MDL: MFCD00064318
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  • Price: $1250/25kg
  • Price(bulk): This email address is being protected from spambots. You need JavaScript enabled to view it.

Properties

Standard: USP26
Assay: 98.5~101.5%
Appearance: white crystalline powder
pH: 5.9~6.9
Specific rotation[a]D20: -84.3°~-86.0°
Chloride(Cl): 0.05% max
Ammonium(NH4): 0.02% max
Sulfate(SO4): 0.03% max
Iron(Fe): 30ppm max
Heavy metals(Pb): 15ppm max
Other amino acids: Conforms
Loss on drying: 0.40% max
Residue on ignition: 0.40% max
Storage: 2 years in seal and shading place

L-Proline 147-85-3 is a biosynthetically derived from the L-glutamate. it is used in a Michael addition of dimethyl malonate to ɑß-unsaturated aldehydes as well as a catalyst in asymmetric aldol cyclization. L-Proline is also a precursor of hydroxyproline in collagen.

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