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Home > Products >  D-Pyrrolidine-2-carboxylic acid 344-25-2

D-Pyrrolidine-2-carboxylic acid 344-25-2 CAS NO.344-25-2

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  • FOB Price: USD: 1.00-2.00 /Metric Ton Get Latest Price
  • Min.Order: 5 Metric Ton
  • Payment Terms: L/C,T/T
  • Available Specifications:

    99%(1-5)Metric Ton99%(5-20)Metric Ton

  • Product Details

Keywords

  • D-Pyrrolidine-2-carboxylic acid 3
  • D-Proline
  • 344-25-2

Quick Details

  • ProName: D-Pyrrolidine-2-carboxylic acid 344-25...
  • CasNo: 344-25-2
  • Molecular Formula: C5H9NO2
  • Appearance: White Powder
  • Application: Vitamins, Amino Acids and Coenzymes
  • DeliveryTime: Within 2 weeks after order confirmatio...
  • PackAge: 25kg/drum
  • Port: Qingdao Port
  • ProductionCapacity: 2500 Metric Ton/Year
  • Purity: 99%
  • Storage: Store in cool and dry place, away from...
  • Transportation: By sea or by air
  • LimitNum: 5 Metric Ton
  • Cas: 344-25-2
  • Molecular Formula: C5H9NO2

Superiority

Name   Proline
Synonyms   D-(+)-Proline; D-Pyrrolidine-2-carboxylic acid
 
Molecular Structure    
 
Molecular Formula   C5H9NO2
Molecular Weight   115.13
CAS Registry Number   344-25-2
EINECS   206-452-7
 
Properties
 
Melting point   223 ºC
alpha   84.75 º (c=4, H2O)
Water solubility   soluble >1000 g/L (20 ºC)
 

 

Details

Item

Specification 

Specific rotation

+39.5 to +41.5° 

State of solution(transmittance)

Clear 98.0% min.

Chloride[cl]

0.020% max. 

Ammonium [NH4]

0.02% max. 

Sulfate[SO4]

0.020% max

Iron[Fe]

10ppm max.

Heavy metals [Pb]

10ppm max

Arsenic[As2O3]

1ppm max

Other amino acids

Chromatographically not detectable

Loss on drying

0.20% max. 

Residue on ignition[sulfated]

0.10% max.

Assay

99.0% min

 

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