Certificate of Analysis

Product Name 2,3,5,6-TETRAHYDROXY-1,4-BENZOQUINONE 99% AR (dihydrate)
CAS Number 5676-48-2
Molecular Formula C6H4O6ยท2H2O
Catalogue No. AL2566B
Molecular Weight 208.12 g/mol
Batch Number AL-2026-AL2566B
Manufacturing Date September-2026
Expire Date September-2031
Type of Test Standard Observed
Assay 99% min 99.5%
Moisture Content < 1% 0.5%
Residue on Ignition < 0.1% 0.05%
Related Substances None detected None detected
Solubility Moderate in water Soluble in water
Result: The above product is expected to comply with AR grade specification.

Tested By

Hitesh Kunjathur Tested By Stamp

Analysed By

Preeti Rane Analysed By Stamp
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