Anyang Criss chemicals Co,.ltd.

L-Methionine

• Category :

  Food and Feed additives

• Synonyms :

  (S)-2-Amino-4-(methylthio)butyric acid;H-Met-OH;L-Methionine, USP Grade;(L)-S-methylhomocysteine;2-Methyl Eneghlutaronitrile;Methionine;

• CAS NO :

  63-68-3

• EC NO :

  200-562-9

• Molecular Formula :

  C₅H₁₁NO₂S

• Molecular Weight :

  149.21

• Main Specifications :

• InChI :

  InChI=1/C5H11NO2S/c1-9-3-2-4(6)5(7)8/h4H,2-3,6H2,1H3,(H,7,8)/t4-/m0/s1

• Product description :

  Packaging & Delivery

  Packaging Details:	25kg cardboard drum *or as client's requirement.
  Delivery Detail:	15 days after the payment.

  Specifications

  L-Methionine
  1 Characteristics: white crystalline powder
  2 assay:98.5%
  3 standard: usp24

  Basic Information:

  Product Name:	L-Methionine
  Synonyms:	(S)-2-Amino-4-(methylthio)butyric acid;  H-Met-OH;  L-Methionine, USP Grade; (L)-S-methylhomocysteine;  2-Methyl Eneghlutaronitrile; Methionine
  CAS RN.:	63-68-3
  EINECS:	200-562-9
  Molecular Weight:	149.21
  Molecular Formula:	C5H11NO2S
  Melting Point(°C):	276-279°C (dec.)
  Water Solubility:	Soluble

   

   

   

  Specifications:

   

  Item	Limits
  Description	White Crystals or Crystalline Powder
  Identification	Conforms
  Transmittance	98.0% Min
  Specific Rotation [a]D20o	+22.4°to +24.7°
  State of Solution	98.0%Min
  Chloride (Cl)	0.020%Max
  Ammonium (NH4)	0.02%Max
  Sulfate (SO4)	0.020%Max
  Iron (Fe)	30ppm Max
  Heavy Metals (Pb)	1.5ppm Max
  Arsenic (As2O3)	1ppm Max
  Other Amino Acids	Not Detectable
  Loss on Drying	0.30%Max
  Residue in Ignition	0.40%Max
  PH	5.6 to 6.1

   

   

   

   

   

  Application:

  DL-Methionine is a kind of important amino acid . It's mainly used in compounding medicines and infusion solution of compounded amino acid.

   

  In pharmaceutical industry, its synthetic medicines are used for treating cirrhosis ,

  drug intoxication, etc.

   

• Molecular Structure :