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Product details
L-Proline_147-85-3

L-Proline

  • CAS:

    147-85-3

  • English:

    L-Proline

  • Synonym:

    L-Proline
    QCR-1
    (S)-Pyrrolidine-2-carboxylic acid,L-Proline
    L-pyrrolidine-2-carboxylic acid
    L-(-)-Proline
    (S)-Pyrrolidine-2-carboxylic acid

Details

L-Proline
 
A nonessential amino acid in human. It is synthesized from L-glutamine and L-glutamate via L-ornithine in intestine, and from L-ornithine in liver. It is widely used as an ingredient in infusion and infant formula.

Cas.No 147-85-3
Assay 99.0-101.0%
Specification White crystals or crystalline powder, odorless or slightly characteristic odor, slightly sweet taste
Applications Infusion
Packaging 25kg&50kg
Pharmacopeia USP,EP,FCC
STORAGE Controlled room temperature in tight container
 
SPECIFICATION AND PROCEDURE
State of solution
(Transmittance)
Not Less Than 98.0%
pH 5.9~6.9
Specific rotation[α]20D -84.5~-86.0°
Specific rotation[α]25D -84.3~-86.3°
Ammonium (NH4) Not More Than 0.020%
Chloride (Cl) Not More Than 0.020%
Sulfate (SO4) Not More Than 0.020%
Iron (Fe) Not More Than 10 ppm
Heavy metals (Pb)** Not More Than 10 ppm
Arsenic (As2O3) Not More Than 1 ppm
Loss on drying Not More Than 0.25%
Residue on ignition Not More Than 0.10%
JP16 0.1%
Endotoxin* Less Than 6.0 EU/g
Assay (dry basis) 99.0~101.0%
· * The endotoxin-certified grade will be supplied on request.
· ** FCC grade (Lead : Not More Than 5 mg/kg) will be supplied on request.
· This product meets requirements of residual solvents listed in the current JP, USP and EP.
 

The company is mainly engaged in pharmaceutical R&D outsourcing services, and continues to research and develop new products and technologies, providing project technology and sample preparation services for large and well-known pharmaceutical companies at home and abroad.Our company is able to achieve rapid response in the product development, pilot-amplification process, and quickly transform technology into production.Our company is engaged in the production and custom synthesis of intermediates such as APIs and special chemicals. Relying on our own strong R&D capabilities, we accept custom synthesis of advanced pharmaceutical intermediates, as well as custom synthesis of other types of advanced chemicals, with mature R&D systems and production capacities from gram to tonnage.We have an efficient and professional project management team that can provide customized services from milligrams to tons according to customer requirements.We a fine chemical company specialising in the manufacture of products for pharmaceutical and health care, flavour/fragrance, personal care, and other specialised chemical and industrial applications.

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