CERTIFICATE OF ANALYSIS

Product Name PARAROSANILINE BASE For Microscopy CAS Number 467-62-9
Molecular Formula C 19 H 18 N 3 O Catalogue No. AL3922
Molecular Weight 305.38 Batch Number
Manufacturing Date December-2020 Expire Date November-2025

TYPE OF TEST

STANDARD

OBSERVED

Description
Dye content
Absorption maxima ( in EtOH)
Dark red powder
>95.0%
About 544 nm
Dark red powder
95.36%
540 nm
Result: The above product complies with LR grade

Tested By
Hitesh Kunjathur