KJ Ross-Petersen ApS

Chemical Research and Development Laboratory

Certificate of Analysis

Name: Nordihydroguaiaretic Acid (NDGA)
CAS RN: 500-38-9
Harmonized custom tariff: 2907.29.90
Molecular formula: C18H22O4
Molecular weight: 302.36
Lot No.: 2523-10-01/3
Description: White powder
Storage: Dry and cool
Date: August 2, 2018
Expire/re-test date July 2023
Analyses (after drying): Specification Found
IR spectra Complies Complies
Aspect Crystalline solid Crystalline solid
Color White to slightly yellow Off-white
Melting point 184-188°C 187-188°C
Purity (HPLC) >97% >99%
Loss of drying: <0.5% 0.0%
Sulfated ash <0,2% 0,0%

Manufactured without the use of animal derivative products. The product is in free circulation within EU

Karl J Ross-Petersen Ph.D. CEO

Dalsgaardsvej 22

DK-2930 Klampenborg




Kong Georgs Vej 12B

DK-2000 Frederiksberg


Tel +45 20193646

Fax +45 32132202

E-mail karl@ross.dk

ApS Reg. No. 162153

VAT No. DK1151 5975