L-Cysteine(52-90-4) IR2

Product NameL-Cysteine

CAS 52-90-4

Molecular FormulaC3H7NO2S

Molecular Weight121.16

InChIInChI=1S/C3H7NO2S/c4-2(1-7)3(5)6/h2,7H,1,4H2,(H,5,6)/t2-/m0/s1

InChIKey XUJNEKJLAYXESH-REOHCLBHSA-N

SmilesC(O)(=O)[C@H](CS)N

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Mass

MS-NW-1942          
L-cysteine
C3H7NO2S            (Mass of molecular ion:    121)

   Source Temperature: 220 °C
   Sample Temperature: 220 °C
   Direct, 75 eV

      15.0       7.5
      16.0       1.2
      17.0       2.1
      18.0       5.3
      19.0       1.7
      26.0       2.0
      27.0       4.9
      28.0      49.8
      29.0       8.6
      30.0      11.8
      32.0       3.3
      33.0       3.7
      34.0       7.3
      38.0       1.0
      39.0       1.3
      40.0       4.0
      41.0       9.6
      42.0      30.2
      43.0      28.4
      44.0      11.2
      45.0      14.1
      46.0      14.1
      47.0      13.7
      48.0       4.1
      55.0       1.7
      56.0       2.1
      57.0      11.8
      58.0       6.3
      59.0      41.5
      60.0       2.0
      61.0       2.0
      72.0       1.5
      74.0     100.0
      75.0      57.5
      76.0      98.2
      77.0       3.5
      78.0       4.4
      86.0       3.9
      87.0       2.3
     104.0       1.3
     121.0       2.8

in D2O (PH 11.02)

in D2O (PH 1.75)

in D2O (PH 5.14)