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| Post Date: | Jan 11,2022 |
| Expiry Date: | Jan 11,2023 |
| Detailed Description: |
Cas No. :4042-36-8
Payment Method: T/T Appearance White crystals with lumps Specific rotation[α]D/20 (C=2 in H2O) +10.8°to +12.3° Melting Point (ºC) 160 to 163 ºC Chloride(C1) Not more than 0.02% Iron(Fe) Not more than 10ppm Heavy metals(Pb) Not more than 10ppm Arsenic(As2O3) Not more than 1ppm Loss on drying Not more than 0.20% Residue on ignition Not more than 0.10% Assay 98.0%¡«101.0% |
| CAS Registry Number: | 4042-36-8 |
| Synonyms: | ;D-5-Pyrrolidone-2-carboxylic acid;D-Pyroglutamic acid;(R)-(+)-2-Pyrrolidinone-5-carboxylic acid;H-D-Pyr-OH; ;2-oxopyrrolidine-1-carboxylic acid; |
| Molecular Formula: | C5H7NO3 |
| Molecular Weight: | 129.114 |
| Molecular Structure: |  nload="javascript:DrawImage(this);">
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| Hazard Symbols: | |
| Risk Codes: | R36/37/38:; |
| Safety Description: | S26:; S37/39:; |