CERTIFICATE OF ANALYSIS

Product Name WRIGHT'S STAIN (M.S.) CAS Number 68988-92-1
Molecular Formula ---------- Catalogue No. AL4794
Molecular Weight ---------- Batch Number
Manufacturing Date December-2020 Expire Date November-2025

TYPE OF TEST

STANDARD

OBSERVED

Description
Absorption maxima in methanol (1)
Absorption maxima in methanol (2)
Sp. Absorptivity at (1)
Sp. Absorptivity at (2)
Microbiological test
Loss on drying 110°C
Greenish black/blue crystalline powder
640 – 648 nm
522 – 525 nm
>1100
>650
Passes test
<10%
Greenish black/blue crystalline powder
642 nm
524 nm
>1100
709
Passes test
7.6%
Result: The above product complies with LR grade

Tested By
Hitesh Kunjathur