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.
name: chondroitin sulfate
synonym: poly-1(2/3)-n-acetyl-2-amino-2-deoxy-3-o-beta-d-glucopyranurosyl-4-(6)sulfonyl-d-galactose; chondroitinpolysulfate; chondroitinsulfates; chondroitinsulfuricacid; chondroitinsulfuricacids; chonsurid; chondroitin sulphate; chondroitine sulphate, chondroitin, chondroitinsulfuric acid
cas: 9007-28-7
einecs: 232-696-9
assay: 95%
m. f: c14h21no14s)n
m. w: 463.36854
density: 1.94 g/cm3
appearance: white powder
package: 25kg/drum
standard: enterprise standard
analysis items |
specification |
appearance |
white or off-white color powder |
analysis methods |
hplc, ir, dna |
rotation |
-12.0° _ -19.0° |
nitrogen |
2.5% - 3.5% |
ph value |
5.5 _ 7.5 |
chlorides |
≤ 0.5% |
sulfate |
≤ 0.24% |
clarity of water solution |
≤ 0.35 |
loss on drying |
≤ 10.0% |
residue on ignition |
20.0% - 30.0% |
heavy metal |
≤ 20 ppm |
protein |
≤ 3.0%, ≤ 6.0% (usp) (assay: lowry) |
related substance |
bacteria count: ≤1000cfu/g |
yeast and mildew: ≤100cfu/g |
|
e.coli and salmonella: negative |
|
chondroitin content |
≥ 90.0%, ≥95.0% , ≥98.0% ( assay: hplc; assay: cpc ) |
remarks: |
accord with cp 2010,usp 34 and ep7.0 |