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L-Methionine (Ph. Eur., USP) pure, pharma grade

Assay (titr.): 99.0 - 101.0 %
Code
A1340
CAS
63-68-3
Molecular Formula
C5H11NO2S
Molar mass
149.21 g/mol

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Code packaging size price per unit quantity
Code & packaging Price per piece
A1340,0100
Code
A1340,0100
packaging size
100 g
price per unit
single 33,70€
quantity
A1340,1000
Code
A1340,1000
packaging size
1 kg
price per unit
single 234,30€
quantity
Solubility:
48 g/L (H2O)
Physical Description:
Solid
Product Code:
A1340
Product Name:
L-Methionine (Ph. Eur., USP) pure, pharma grade
Headline Comment:
• All amino acids from AppliChem are of non-animal origin!
Specifications:
Assay (titr.): 99.0 - 101.0 %
α25°C/D; 2 %, 6 M HCl: +22.4° - +24.7°
Appearance of solution: passes test
Identity: passes test
pH (1 %; H2O): 5.6 - 6.1
Sulfated ash: max. 0.1 %
Loss on drying (3 h; 105°C): max. 0.3 %
α20°C/D; 2 %, 250 g/L HCl (calc. on dried subst.): +22.5° - +24.0°
pH (2.5 %; H2O): 5.5 - 6.5
Ammonium: max. 0.02 %
Chloride: max. 0.02 %
Sulfate: max. 0.03 %
Fe: max. 0.001 %
Related substances (Ph. Eur.)
Each individual impurity: max. 0.1 %
Total impurities: max. 0.3 %
Related substances (USP)
Methionine sulfoxide: max. 0.1 %
N-Acetyl-D,L- methionine: max. 0.2 %
Any unspecified impurity: max. 0.1 %
Total unspecified impurities: max. 0.30 %
WGK:
1
Storage:
RT
EINECS:
200-562-9
CS:
29304010
Download TDS file for complete specifications