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L-焦谷氨酸
產品詳細介紹
| L-Pyroglutamic Acid | CAS NO：98-79-3 |
| Chemical Name | L-Pyroglutamic Acid |
| Molecular Structure |  |
| Molecular Formula | C5H7NO3 |
| Molecular Weight | 129.11 |
| Characteristics | White crystals or crystalline powder |
| Packing | 25㎏/drum，25㎏/carton |
| Quality Standard | AJI92/USP28/EP5/FCCIV |
Specification
| Specific rotation[a]D20° | -10.5° —-12.3° |
| Sulfte(SO4) | ≤0.02% |
| Heavy metal(PB) | ≤10ppm |
| Iron(FE) | ≤10ppm |
| Loss on Drying | ≤0.5% |
| Arsenic(AS2O3)(Sulfated) | ≤1ppm |
| Assay | 98.5% —101.0% |
| Residue on ignition | ≤0.1% |
| Other amino acid | Chromatographically not detectable |
| Chloride | ≤0.2% |
