OM SHREE GANESHYA NAMAH

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Product Name

 L-METHIONINE (FOR BIOCHEMISTRY)

Article No

 M0135200025

CAS No

 63-68-3

Molecular Formula

 C5H11NO2S

Molecular Weight

 149.21

Specifications

Appearance:

 White powder

Chloride (Cl):

 Max 0.02%

Sulphate (SO4):

 Max 0.03%

Heavy metal (as Pb):

 Max 0.001%

Loss on drying (at 105°C) :

 Max 0.3%

Iron (Fe):

 Max 0.001%

Ammonium (NH4):

 Max 0.01%

Assay (by HClO4 titration):

 Min 99%

Foreign amino acids:

 Max 0.3%

Residue on ignition (as SO4):

 Max 0.1%

Other ninhydrin positive substances (as glycine):

 Max 0.1%

pH (2.5% solution):

 5.5 - 6.5

Specific optical rotation ([?]20/D):

 +22.5 to + 24 deg