Carbenicillin disodium salt , CAS 4800-94-6 

Specs:
Appearance:White crystal
Purity (GC) :98.0%min
Melting point:86.0-91.0degC
Loss on drying:0.5%max

Specs:

Appearance:Colorless to pale yellow liquid

Assay:95%min(NMR)

Storage:keep it in refrigerator

Shelf life:2~3 months

Specs:
Appearance:Off-white powder 
Purity:98%min.

Specs:

Appearance:White or off-white crystalline powder

Assay:98%min

Moisture:0.5%max

Specs:
Appearance:White or almost white powder
Assay:98%min.
Acidity(PH):3.5-5.5
Loss on drying:0.5%max
Sulfated ash:0.1%max
Heavy metal:20ppm max
Total impurities:1.0% max
CCl4:0.006%max.
Toluene:0.089%max....

Specs:

Appearance:Gray white to off-white powder

Water:0.5%max

Heavy metal:20ppm max

Total impurity:1.0%max

Single impurity:0.1%max

Loss on drying:0.5%max

Assay:99%min

Spec:
Appearance:White to off-white powder
Assay:98%min.
Isomer impurity:0.1%max

Spec:

Appearance:White to off-white powder

Assay:98%min.

Isomer impurity:0.1%max

Specs:
AR Grade
Appearance:White crystalline solid
Assay:99.0%min
Ignition residue:0.03%max.
Cl:0.005%max.
SO4:0.01%max.
NO3:0.001%max.
PO4:0.001%max.
Fe:0.0005%max.
Heavy metals:0.0005%max.

Specs:
Appearance:white or off-white powder
Assay:98.5% to 100.5%
MP:131degC to 135degC
Acid value:4 to 5
Residue on ignition:0.1%max
Loss on drying:0.5%max
Sulphated ash:10ppm max

Specs:

USP32

Appearance:White crystalline powder

Assay:99%min


Lead time:5-8  days after P.O

Specs:
USP34 Grade 
Appearance:White gray or light yellow needle, longflake crystalls or crystal powder
Assay:98% to 102%
Specific rotation:+18.5deg to +21.5deg
Melting range:149degC to&n...