(6R,7R)-7-Amino-8-oxo-3-(1-propenyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid ( 7-APRA )
CAS No.  120709-09-3
MF:  C10H12N2O3S
Appearance:  off-white or yellowish crystalline powder
Moisture:  0.5%max.
Sulfated ash:  0.2% max.
(Z) isomer: 89% min.
(E) isomer: 10% max.

Impurities:

1. 7-ADCA impurity: 0.5% max.
2. Total unknown impurity: 1.0% max,
3. Total impurities: 1.5% max. 

Assay: 95%-105%

Packing: 25kg /fibre drum