| CHEMICAL NAME |
N-l-α - aspartyl-l-phenylalanine-1-methyl ester |
STRUCTURALFORMULA |
| MOLECULARFORMULA |
MOLECULAR WEIGHT |
CAS No. |
|
|
C14H18N2O5 |
294.31 |
22839-47-0 |
| DESCRIPTION: |
This product is a white crystalline powder. |
SPECIFICATION
<According to the four revisions of < Chinese Pharmacopoeia> (2020)edition >
| Assay:C14H18N2O5: |
98.0%~102.0% |
| Specific rotation[α]D20ºC: |
+14.5°~+16.5° |
| Infrared identification: |
Consistent with the reference spectrum (spectral set 768) |
| absorbance: |
≤0.022 |
| acidity: |
4.0~6.0 |
| Related substances: |
Total impurities should≤2.0% |
| Loss on drying: |
≤4.5% |
| Burning residue: |
≤0.2% |
| heavy metal(as Pb): |
≤10μg/g |
| arsenic(as As): |
≤3μg/g |
| Total aerobic bacteria: |
≤1000 cfu/g |
| Number of mould and yeast: |
≤100 cfu/g |
| Escherichia coli: |
No detection |
Packing:
20kg / barrel; medical low density polyethylene bag packaging.
Storage conditions:
Sealed and stored in a dry place.
Safety precautions:
Use personal protective equipment. Avoid inhalation and contact with eyes and skin. Ensure good ventilation / exhaust workplace. Wash hands immediately after use.
Transportation conditions:
According to ADR / rid, IMDG, ICAO / IATA, the substance is not dangerous goods
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