MAINTAIN BIOTECH Co.,Ltd.
MENU Close Home About Us News Honor Contact Us Feedback
Current Position: Home > Product >Urolithin A
Product
Urolithin A
  • Model:1G,10G,1KG,5KG,25KG
  • Purity:98%
  • Cas:1143-70-0
  • Createtime: 2026-07-02
  • Updatetime: 2026-07-16
Product Details
useage FOR R&D RESEARCH USE
deliveryInfo
appearance white to off white powder
aliasen
supplyCapacity 50Tons/Year
harbor SHENZHEN
minorder 1kg

Urolithin A Full English Technical Datasheet

1. Basic Chemical Information

  • CAS No.: 1143-70-0
  • IUPAC Name: 3,8-dihydroxy-6H-dibenzo[b,d]pyran-6-one
  • Synonyms: 3,8-Dihydroxy Urolithin, 2',7-Dihydroxy-3,4-benzocoumarin, Uro-A
  • Molecular Formula: C??H?O?
  • Molecular Weight: 228.20 g/mol
  • EINECS: 1592732-453-0
  • Source: Gut microbial metabolite of ellagic acid / ellagitannins (pomegranate, walnut, berry); industrial synthetic high-purity crystalTherapeuti...

2. Physical & Chemical Properties

Item Standard Parameter
Appearance Off-white to pale yellow crystalline powder
Odor Odorless
Solubility Soluble in DMSO, DMF; slightly soluble in ethanol; practically insoluble in water, oils
UV Max Absorption 221 nm, 233 nm, 282 nm, 308 nm, 357 nm
Stability Stable under dry, dark & low temperature; sensitive to strong light, high temperature, strong alkali
Melting Point 310–315 °C (decompose)

3. Quality Specifications (Cosmetic & Food Grade HPLC ≥98%)

Test Item Specification Standard Test Method
Assay (HPLC) ≥98.0% (99% premium grade available) RP-HPLC UV 308 nm
Loss on Drying ≤0.50% 105°C, 2h gravimetry
Residue on Ignition ≤0.10% Ashing method
Single Unknown Impurity ≤0.50% HPLC
Total Impurities ≤1.00% HPLC
Residual Solvents Meet ICH Q3C limit GC

Heavy Metals

Heavy Metal Limit
Lead (Pb) ≤0.5 ppm
Arsenic (As) ≤1.5 ppm
Cadmium (Cd) ≤0.5 ppm
Mercury (Hg) ≤0.1 ppm

Microbial Limits

Microbe Index Standard
Total Aerobic Count ≤500 CFU/g
Yeast & Mold ≤50 CFU/g
E. coli, Salmonella, S. aureus Negative per 25g

Related Product: