Certificate of Analysis

Product Name AURIN (C.I. No.43800)
CAS Number 603-45-2
Molecular Formula C19H14O3
Catalogue No. AL00193
Molecular Weight 290.32 g/mol
Batch Number AL-2026-AL00193
Manufacturing Date September-2026
Expire Date September-2031
Type of Test Standard Observed
Description Dark red colored powder Dark red colored powder
Absorbance Max. 482 – 487 nm 485 nm
Sensitivity at pH 5.0 Yellow Yellow
Sensitivity at pH 6.8 Pink Pink
Result: The above product complies with LR grade

Tested By

Hitesh Kunjathur Tested By Stamp

Analysed By

Preeti Rane Analysed By Stamp
ISO Certifications