D-Pyroglutamic acid

CAS No.: 4042-36-8

C5H7NO3=129.11

Grade: BR

Content: ≥ 99.0%

Specific rotation: + 10.8 ～ + 12.5 º

Melting point: 160 ～ 162.5 ℃

Loss on drying: ≤ 0.30%

Chloride: £ 0.02%

Iron salt: £ 10ppm

Arsenic salt: £ 1ppm

Burning residue: £ 0.1%

Properties: white crystalline powder

Purpose: biochemical research

Saving: RT