Chemical manufacturer in China
WhatsApp:+8613763351969
PATH:Download COA

Pre-sale COA is not the latest batch

ISO 9001:2015


Certificate of Analysis
Product Name: L-Proline Catalogue Number: GR-145742
Batch Size: 200KG Lot Number: 20230405
CAS Number: 147-85-3 Production Date:
Molecular Formula: C5H9NO2 Report Date: 2023-04-05
Molecular Weight: 115.13 Expiry Date:
Storage: Room temperature, Protected from light and Sealed


Test Items Specifieation Results
Appearance White crystals or powder Conforms
Assay 98.5 ~ 101.5% 99.95%
Specific rotation D25 -84.3° ~ -86.3° -85.3°
Loss on drying ≤0.4% 0.11%
Ignition residue ≤0.4% 0.15%
Chloride ≤0.05% Conforms
Sulfate ≤0.03% Conforms
Iron ≤30 ppm 8 ppm
Pb ≤15 ppm 3 ppm
Single impurity ≤0.5% Conforms
Total impurity ≤2.0% Conforms
signature
Prepared by: Reviewed by: Aproved by General manager:
Date: Date: Date:
Copyright © Zhongshan Greenrock Technology Co., Ltd. Design By Darren.Li