L-Methionine 98.5-101.5% (dried basis) USP, Multi-Compendial, J.T.Baker®

: (S)-(-)-2-Amino-4-(methylthio)butyric acid, (S)-(-)-Methionine, L(-)-Methionine, (S)-(-)-2-Amino-4-(methylthio)butanoic acid, H-Met-OH, Methionine, (S)-2-Amino-4-(methylthio)butanoic acid

:63-68-3

:C₅H₁₁NO₂S

:MFCD00063097

:278

:136

:1.373 g/cm³ (20 °C)

:149.21 g/mol

:13,06004

:Ambient

:200-562-9

Environmentally Preferable:

GMP Manufactured Product:
98.5 - 101.5%
Meets B.P. Chemical Specifications:
Passes Test
Meets E.P. Chemical Specifications:
22.4 - 24.7 Degree
Meets J.P. Chemical Specifications:
5.6 - 6.1
Meets U.S.P Requirements:
≤0.3%
CAUTION: For Manufacturing, processing or repackaging:
≤0.4%
Bulk Pharmaceutical Chemical:
≤0.05%
USP - Assay (C₅H₁₁NO₂S) (dried basis):
98.5 - 101.5 %
USP - Identification:
Passes Test
USP - Specific Rotation [Å]²⁵ ^D (+):
22.4 - 24.7 Degree
USP - pH:
5.6 - 6.1
USP - Loss on Drying at 105°C:
≤0.3 %
USP - Residue on Ignition:
≤0.4 %
USP - Chloride (Cl):
≤0.05 %
USP - Sulfate (SO₄):
≤0.03 %
USP - Iron (Fe):
≤0.003 %
USP - Related Compounds - Methionine sulfoxide:
≤0.1 %
USP - Related Compounds - N-Acetyl-D,L- methionine:
≤0.2 %
USP - Related Compounds - Any unspecified impurity:
≤0.1 %
USP - Related Compounds - Total unspecified impurities:
≤0.30 %
EP/BP - Assay (C₅H₁₁NO₂S) (dried basis):
99.0 - 101.0 %
EP/BP - Identification A:
Passes Test
EP/BP - Identification B:
Passes Test
EP/BP - Appearance of Solution:
Passes Test
EP/BP - pH:
5.5 - 6.5
EP/BP - Specific Rotation [Å]²º^D (+):
22.5 - 24.0 Degree
EP/BP - Related Substances: Unspecified Impurities, each:
≤0.10 %
EP/BP - Related Substances: Total Impurities:
≤0.3 %
EP/BP - Chloride (Cl):
≤200 ppm
EP/BP - Sulfate (SO₄):
≤300 ppm
EP/BP - Ammonium (NH₄):
≤200 ppm
EP/BP - Iron (Fe):
≤10 ppm
EP/BP - Loss on Drying at 105°C:
≤0.5 %
EP/BP - Ash (sulfated):
≤0.1 %
JP - Assay (C₅H₁₁NO₂S) (dried basis):
98.5 - 101.0 %
JP - Identification:
Passes Test
JP - Optical Rotation (+):
21.0 - 25.0 Degree
JP - pH:
5.2 - 6.2
JP - Clarity and Color of Solution:
Passes Test
JP - Chloride (Cl):
≤0.021 %
JP - Sulfate (SO₄):
≤0.028 %
JP - Ammonium (NH₄):
≤0.02 %
JP - Heavy Metals (as Pb):
≤20 ppm
JP - Arsenic (As):
≤2 ppm
JP - Related Substances:
Passes Test
JP - Loss on Drying at 105°C:
≤0.30 %
JP - Residue after Ignition:
≤0.10 %

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