L-pyroglutamic acid/L-Pyr-OH/98-79-3

L-pyroglutamic acid/L-Pyr-OH/98-79-3
Product Description

Product Name: H-Pyr-OH
CAS#: 98-79-3

Synonyms: L-Pyroglutamic Acid,
L-5-Oxo-2-pyrrolidinecarboxylic acid,
(S)-2-Pyrrolidone-5-carboxylic acid

Molecular Formula: C5H7NO3


Molecular Weight: 129

brhrbrAppearance
White crystalline powder

Specific rotation(a)D20

(C=5 H2O)
-11.0 to -12.0º

Chloride(C1)
Not more than 0.02%

Ammonium(NH4)
Not more than 0.02%

Sulfate(SO4)
Not more than 0.02%

Heavy metals(Pb)
Not more than 10ppm

Iron(Fe)
Not more than 10ppm

Arsenic(As2O3)
Not more than 1 PPM

Loss on drying
Not more than 0.5%

Residue on ignition
Not more than 0.1%

Assay
99.0-101.0%

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Sichuan Tongsheng Amino acid CO., LTD

  • CN
  • 2015
    On CPHI since
Company types
Manufacturer/Innovator
View company profile
Categories
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Specifications
  • CAS Registry Number
    98-79-3
  • Details
    Appearance
    White crystalline powder

    Specific rotation(a)D20

    (C=5 H2O)
    -11.0 to -12.0º

    Chloride(C1)
    Not more than 0.02%

    Ammonium(NH4)
    Not more than 0.02%

    Sulfate(SO4)
    Not more than 0.02%

    Heavy metals(Pb)
    Not more than 10ppm

    Iron(Fe)
    Not more than 10ppm

    Arsenic(As2O3)
    Not more than 1 PPM

    Loss on drying
    Not more than 0.5%

    Residue on ignition
    Not more than 0.1%

    Assay
    99.0-101.0%

  • Selling Points
    Brand Name; Experienced Technicians; Guarantee/Warranty; International Approvals/Standards; Packaging; Place of Origin; Price; Product Features; Product Performance; Prompt Delivery; Quality Service; Reputation; Small Orders Accepted
  • Supplied from
    China
  • Measured In
    kilogram
More specifications Fewer specifications
Sales Markets
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Sichuan Tongsheng Amino acid CO., LTD

  • CN
  • 2015
    On CPHI since
Company types
Manufacturer/Innovator
View company profile

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