Certificate of Analysis
Product Name
L-TRYPTOPHANE 99% For Biochemistry
CAS Number
73-22-3
Molecular Formula
C11H12N2O2
Catalogue No.
AL1547A
Molecular Weight
204.23 g/mol
Batch Number
AL-2026-AL1547A
Manufacturing Date
September-2026
Expire Date
September-2031
| Type of Test | Standard | Observed |
|---|---|---|
| Description | White to almost white powder | White powder |
| Assay | 99% min | 99.84% |
| Heavy metals (as Pb) | 0.001% max | <0.001% |
| Ammonium (NH4) | 0.01% max | < 0.01% |
| Loss on drying at 105 0C | 0.5% max | 0.17% |
| Chloride (Cl) | 0.01% max | <0.01% |
| Sulphate (SO4) | 0.01% max | <0.01 |
| Iron (Fe) | 0.001% max | <0.001 |
| Specific rotation[?]20 D (C = 1,water) | - 33 to -30 0 | -31.5 0 |
Tested By
Hitesh Kunjathur
Analysed By
Preeti Rane
