D(-)-p-Hydroxyphenylglycine Dane Salt
Molecular Formula: C₁₃H₁₄O₅NK
Molecular Weight: 303.4
Structural Formula:

Appearance: white or similar to white crystalline powder
Assay: ≥98.5％
Specific optical rotation[a]_D²⁰: -86°～-90°
Moisture: ≤0.4％
pH value: 8.0～9.0
Ultraviolet absorption,: ≤0.03
Use: As intermediate in the sythesis of penicillin and cephalosporin; in the manufacture of amoxicillin and cefadroxil.
Packing: 25Kg/bag lined with doulbe-layer plastic bag.

D(-)-p-Hydroxyphenylglycine
Molecular Formula: C₈H₉NO₃
Molecular Weight: 167.2
Structural Formula:

Appearance: white or similar to white crystalline powder
Assay: ≥99.0％
Specific optical rotation[a]_D²⁰: -156°～-161°
Moisture: ≤0.2％
Iron Ion: ≤5ppm
Ultraviolet absorption,: ≤0.05

DL-hydroxyl phenyl glycin
Molecular Formula: C₈H₉NO₃
Molecular Weight: 167.2
Structural Formula:

Appearance: light yellow or white powder solid
Assay: 98.5％≤101％
Iron Ion: ≤10ppm
M.P.: 223°C-225°C

DL-hydroxyl phenyl glycolycurea
Structural Formula:

Appearance: white powder
Assay: ≥98.5%
Moisture: ≤1%
M.P.: 270°C-271°C

Glyoxylate
Appearance: colorless or light yellow transparent liquid
Assay: ≥30% glyoxal ≤1%; oxalic acid ≤1.5% nitric acid ≤0.15%