Certificate of Analysis
Product Name
L-METHIONINE 99% For Biochemistry
CAS Number
63-68-3
Molecular Formula
C5H11NO2S
Catalogue No.
AL01003
Molecular Weight
149.21 g/mol
Batch Number
AL-2026-AL01003
Manufacturing Date
September-2026
Expire Date
September-2031
| Type of Test | Standard | Observed |
|---|---|---|
| Description | White powder | White powder |
| Assay | (Min.) 99% | 99.39% |
| Heavy metals (as Pb) | <0.001% | <0.001% |
| Ammonium (NH4) | <0.01% | 0.009% |
| Foreign amino acids | <0.3% | 0.2% |
| Other ninhydrin-positive substance (as glycine) | <0.1% | <0.1% |
Tested By
Hitesh Kunjathur
Analysed By
Preeti Rane
