L-Pyroglutamic acid 98-79-3
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Post Date:
Jan 31,2025
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Expiry Date:
Jan 31,2026
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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%
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CAS Registry Number:
98-79-3
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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;
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Molecular Formula:
C5H6NO3
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Molecular Weight:
128.1066
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Molecular Structure:
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Hazard Symbols:
Xi:Irritant;
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Risk Codes:
R36/37/38:;
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Safety Description:
S26:;
S36:;
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