Certificate of Analysis
Product Name
DL-METHIONINE 99% For Biochemistry
CAS Number
59-51-8
Molecular Formula
C5H11NO2S
Catalogue No.
AL1002A
Molecular Weight
149.21 g/mol
Batch Number
AL-2026-AL1002A
Manufacturing Date
September-2026
Expire Date
September-2031
| Type of Test | Standard | Observed |
|---|---|---|
| Description | White to almost white, crystalline powder or small flakes. | Almost white crystalline powder. |
| Assay (HClO4 titration, On dried sub.) | 99 – 101% | 100.9% |
| Chloride (Cl) | 0.01% max. | <0.01% |
| Sulphate (SO4) | 0.03% max. | <0.03% |
| Heavy metals (as Pb) | 0.002% max | <0.002% |
| Iron (Fe) | 0.001% max. | <0.001% |
| Loss on drying (105 0C) | 0.5% max | 0.11% |
| Sulphated ash | 0.1% max. | 0.04% |
Tested By
Hitesh Kunjathur
Analysed By
Preeti Rane
