CERTIFICATE OF ANALYSIS
Product Name AZUR II For Microscopy CAS Number 37247-10-2
Molecular Formula C 16 H 18 N 3 S·C 15 H 16 N 3 S·2Cl Catalogue No. AL0527
Molecular Weight 625.68 Batch Number
Manufacturing Date December-2020 Expire Date November-2025

TYPE OF TEST

STANDARD

OBSERVED
Description
Absorption Maxima Absorption Maxima
Loss on drying
Sp. Absorptivity A1%/1cm at ? max. (0.0005% in Methanol)
Black colored powder
645 – 650 nm
<2.0%
1850 - 2100
Black colored powder
650 nm
1.63%
1859
Result: The above product complies with LR grade

Tested By
Hitesh Kunjathur

Analysed By
Preeti Rane