2,3-dihydroxy-2-methyl-propanoic acid(21620-60-0) 1H NMR
Product Name2,3-dihydroxy-2-methyl-propanoic acid
CAS21620-60-0
Molecular FormulaC4H8O4
Molecular Weight120.1
InChIInChI=1S/C4H8O4/c1-4(8,2-5)3(6)7/h5,8H,2H2,1H3,(H,6,7)
InChIKey DGADNPLBVRLJGD-UHFFFAOYSA-N
SmilesC(O)(=O)C(O)(C)CO
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MassMS-NW-8177 2,3-dihydroxy-2-methylpropionic acid C4H8O4 (Mass of molecular ion: 120)
Source Temperature: 150 °C Sample Temperature: 100 °C Direct, 75 eV
14.0 1.0 15.0 5.8 18.0 3.4 19.0 14.4 26.0 1.9 27.0 11.1 28.0 6.4 29.0 37.0 30.0 1.7 31.0 22.4 32.0 1.1 39.0 1.9 41.0 1.1 42.0 5.0 43.0 74.2 44.0 34.0 45.0 8.1 47.0 6.6 49.0 1.6 55.0 4.5 56.0 2.0 57.0 48.4 58.0 6.1 59.0 2.3 61.0 2.2 71.0 2.1 72.0 25.5 73.0 2.0 75.0 63.8 76.0 2.3 77.0 2.2 85.0 1.4 89.0 5.4 90.0 100.0 91.0 3.6 102.0 1.2
90 MHz in D2O
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1H NMR 89.56 MHz C4 H8 O4 0.043 g : 0.5 ml D2O 2,3-dihydroxy-2-methylpropionic acid 
Assign. Shift(ppm)
B *1 3.798 C *1 3.599 D 1.363 J(B,C)=-11.7HZ THE SOLVENT SIGNAL REMOVED.
Hz ppm Int.348.75 3.895 98 337.06 3.764 266 325.56 3.636 276 313.81 3.504 102 122.13 1.364 1000
in D2O
KBr disc
nujol mull
4880 A,200 M,powder
