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L-Pyroglutamic acid 98-79-3

  Post Date: Jan 17,2022
  Expiry Date: Jan 17,2023
  Detailed Description: Cas No. :98-79-3

Payment Method: T/T
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%

  CAS Registry Number:

98-79-3

  Synonyms: ;5-Oxo-L-proline;Pyroglutamicacid;pidolic acid;glutiminic acid;5-oxoproline;Pyr-OH;L-Pyroglutamic acid;H-Pyr-OH;L-2-Pyrrolidone-5-carboxylic acid;(S)-(-)-2-Pyrrolidinone-5-carboxylic acid;L-Pyrpglutamic Acid;5-Oxopyrrolidine-2-carboxylic acid;5-Pyrrolidone-2-carboxylic acid;L-5-Pyrrolidone-2-carboxylic acid;pyroglutamic acid;Pyrrolidonecarboxylic Acid;L-pyro glutamic acid;(2S)-5-oxopyrrolidine-2-carboxylate;
  Molecular Formula: C5H6NO3
  Molecular Weight: 128.1066
  Molecular Structure: 98-79-3 (S)-(-)-2-Pyrrolidone-5-carboxylic acid

  Hazard Symbols:  Xi:Irritant;
  Risk Codes: R36/37/38:;
  Safety Description: S26:;
S36:;

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