CERTIFICATE OF ANALYSIS
Product Name ORCEIN For Microscopy CAS Number 1400-62-0
Molecular Formula ---------- Catalogue No. AL3355
Molecular Weight ---------- Batch Number
Manufacturing Date December-2020 Expire Date November-2025

TYPE OF TEST

STANDARD

OBSERVED
Description
Absorption maxima (in 0.01N NaOH)
Spec. Absorptivity A1%/1cm (max, 0.001%, 0.01N NaOH)
Loss on drying
TLC Test
Black colored powder
575 – 582 nm
Min. 270
<7.0%
Passes test
Black colored powder
579 nm
287
4.9%
Passes test
Result: The above product complies with LR grade

Tested By
Hitesh Kunjathur

Analysed By
Preeti Rane