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Certificate of Analysis
Product Name: Nordihydroguaiaretic acid Catalogue Number: GR-4534
Batch Size: N/A Lot Number: 20230503
CAS Number: 500-38-9 Production Date:
Molecular Formula: C18H22O4 Report Date: 2023-05-03
Molecular Weight: 302.4 Expiry Date:
Storage: Room temperature, Protected from light and Sealed


Test Items Specifieation Results
Appearance Pale-yellow Solid Complies
ldentification(NMR) Conforms to structure Complies
Purity ≥95.0% 98.4%
Total of impurities Maximum 1.00 percent Complies
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