4-Ethyl-2,3-dioxo-1-piperazine carbonyl chloride

Full name 4-Ethyl-2,3-dioxo-1-piperazine carbonyl chloride

CAS 59703-00-3

EINECS 261-867-0

Molecular formula C7H9 N2O3Cl

Molecular weight 204.61

Technical indicators Appearance: white or off-white crystalline powder

Content (HPLC, %): ≥97.0

Dioxopiperazine (HPLC, %): ≤2.0

Absorbance (400nm): A≤0.1

Physical and chemical properties Heat-sensitive substance, decomposes easily when heated or exposed to moisture.

Soluble in dichloromethane, acetonitrile, etc.

Melting point (℃): 94～95

Uses Antibiotic intermediates, such as: piperacillin, cefoperazone, cefotaxime, tazobactam, etc.

Packaging, storage, and transportation

Paperboard drum with aluminum foil bag vacuum packaging, net weight 25 kilograms;

Store at 5℃, storage period 6 months, keep away from fire, avoid light, and keep dry;

Avoid rain and direct sunlight, and transport under refrigeration and dry conditions.