L-Methionine 98.5-101.5% (by titrimetric analysis) USP

Supplier: CHEM IMPEX INTL INC MS

Synonyms: (S)-(-)-2-Amino-4-(methylthio)butyric acidL(-)-MethionineMethionine(S)-(-)-2-Amino-4-(methylthio)butanoic acidH-Met-OH(S)-(-)-Methionine(S)-2-Amino-4-(methylthio)butanoic acid

00221-1KG 00221-25G 00221-250G 00221-5KG 00221-25KG 00221-100G
102572-602EA 36.15 USD
102572-602 102572-604 102614-882 102641-466 102614-880 102553-576
L-Methionine 98.5-101.5% (by titrimetric analysis) USP
L-Methionine
Formula: C₅H₁₁NO₂S
MW: 149.21 g/mol
Melting Pt: 284 °C (dec.)
Storage Temperature: Ambient
MDL Number: MFCD00063097
CAS Number: 63-68-3

Order Now

Specification Test Results

Heavy Metals ≤15 ppm
Chloride (Cl⁻) ≤0.05%
Sulphate (SO₄²⁻) ≤0.03%
Iron (Fe) ≤30 ppm
pH 5.6 - 6.1
Optical Rotation [a]D20 = +22.4 to +24.7°
Infrared Spectrum Conforms to Structure
Loss on Drying ≤0.3%
Organic Volatile Impurities To Meet Requirements
Individual Impurity ≤0.5%
Total Impurities ≤2.0%
Residue on Ignition ≤0.4%
Assay by Titration 98.5 - 101.5% (Anhydrous Basis)
Appearance White to off-white crystalline powder

Learn more

About VWR

Avantor is a vertically integrated, global supplier of discovery-to-delivery solutions for...

Learn more About VWR