L-Methionine, USP, Multi-Compendial, Endotoxin Tested, J.T.Baker®
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l-methionine, usp, multi-compendial, endotoxin tested, j.t.baker®
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L-Methionine, USP, Multi-Compendial, Endotoxin Tested, J.T.Baker®
Formula: C5H11NO2S
Formula Weight: 149.21
| TEST |
SPECIFICATION |
| GMP Manufactured Product |
| Meets U.S.P. Requirements |
| Assay (C5H11NO2S) (dried basis) |
98.5 - 101.5 % |
| Identification |
Passes Test |
| Specific Rotation [a]25 D |
22.4 - 24.7 ? |
| pH... |
5.6 - 6.1 |
| Loss on Drying at 105?C |
max. 0.3 % |
| Residue on Ignition |
max. 0.4 % |
| Chloride (Cl) |
max. 0.05 % |
| Sulfate (SO4) |
max. 0.03 % |
| Iron (Fe) |
max. 0.003 % |
| Chromatographic Purity: |
| Individual Impurities |
max. 0.5 % |
| Total Impurities |
max. 2.0 % |
| Heavy Metals (as Pb) |
max. 0.0015 % |
| |
| Meets F.C.C. Requirements |
| Assay (C5H11NO2S) (dried basis) |
98.5 - 101.5 % |
| Identification |
Passes Test |
| Lead (Pb) |
max 5 mg/kg |
| Loss on Drying at 105?C |
max. 0.5 % |
| Residue on Ignition |
max. 0.1 % |
| Specific Rotation [a]20D |
21.0 - 25.0 ? |
| |
| Meets BP/Ph.Eur. Chemical Specifications |
| Assay (C5H11NO2S) (dried basis) |
99.0 - 101.0 % |
| Identification A |
Passes Test |
| Identification B |
Passes Test |
| Appearance of Solution |
Passes Test |
| pH... |
5.5 - 6.5 |
| Specific Rotation [a]20D |
22.5 - 24.0 ? |
| Ninhydrin-Positive Substances |
Passes Test |
| Chloride (Cl) |
max. 200 ppm |
| Sulfate (SO4) |
max. 300 ppm |
| Ammonium (NH4) |
max. 200 ppm |
| Heavy Metals (as Pb) |
max. 10 ppm |
| Iron (Fe) |
max. 10 ppm |
| Loss on Drying at 105?C |
max. 0.5 % |
| Ash (sulfated) |
max. 0.1 % |
| |
| Meets JP Chemical Specifications |
| Assay (C5H11NO2S) (dried basis) |
98.5 - 101.0 % |
| Identification |
Passes Test |
| Optical Rotation |
21.0 - 25.0 ? |
| pH... |
5.2 - 6.2 |
| Clarity and Color of Solution |
Passes Test |
| Chloride (Cl) |
max. 0.021 % |
| Sulfate (SO4) |
max. 0.028 % |
| Ammonium (NH4) |
max. 0.02 % |
| Heavy Metals (as Pb) |
max. 20 ppm |
| Arsenic (As) |
max. 2 ppm |
| Related Substances |
Passes Test |
| Loss on Drying at 105?C |
max. 0.30 % |
| Residue after Ignition |
max. 0.10 % |
| Endotoxin Concentration, IU/mg |
Actual Value Reported |
| |
| Only Class 2 Solvents (Methanol) are likely to be present. All are below Option 1 limits. |
| Bulk Food Chemical |
| Bulk Pharmaceutical Chemical |
| CAUTION: For manufacturing, processing or repacking. |
| For a Certificate of Lot Analysis, visit www.avantormaterials.com |
| CAS Number |
63-68-3 |
| Merck Index |
14,5975 |
| HTS Number |
2827399000 |
| Specific Gravity |
1L = .00 Kg |
| Storage Color Code |
Green |
| Management of Change |
R |