USD $1.00-1.00 / Kilogram
USD $1.00-1.00 / Kilogram
USD $1.00-1.00 / Kilogram
USD $1.00-1.00 / Kilogram
USD $1.00-1.00 / Kilogram
USD $1.00-1.00 / Kilogram
USD $1.00-1.00 / Kilogram
1. hubei jusheng technology co., ltd., is a global chemical industry manufacturers and suppliers of pharmaceuticals and intermediates in china.
2. the yearly production capacity is 50000mt, 80% for export.we have a professinal export team. both by air and by sea,we ensure that we meet the customer expectations with promptness.
3. our company facing global high-tech pharmaceutical raw materials, high complex new type intermediates, fine chemicals custom synthesis, scale-up production and rare chemicals trade. corey have well-equipped machine, strong technical force and considerate marketing team service.
4. we also have rich experience advantage in basic research, small scale process development, scale-up, industrial technology development & production and cost control.
test items |
standard |
appearance: |
white granular or powder |
assay (on dry basis): |
98.00-102.00% |
taste: |
pure |
specific rotation: |
+14.50°~+16.50° |
transmittance: |
95.0% min |
loss on drying: |
4.50% max |
residue on ignition: |
0.20% max |
l-a-aspartyl-l-phenylalanine: |
0.25% max |
ph: |
4.5-6.0 |
l-phenylalanine: |
0.50% max |
heavy metals (as pb): |
10ppm max |
arsenic (as): |
3ppm max |
5-benzyl-3,6-dioxo-2 piperazineacetic acid |
1.5% max |
other related substances: |
2.0% max |