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Coumarin-3-carboxylic acid

Product Name Coumarin-3-carboxylic acid

CAS531-81-7

MFC10H6O4

MW190.15

400 MHz in DMSO-d6

¹H NMR	399.65 MHz
C₁₀ H₆ O₄	0.040 g : 0.5 ml DMSO-d₆
2-oxo-2H-chromene-3-carboxylic acid

    Assign.     Shift(ppm)

      A            13.
      B             8.763
      C             7.923
      D             7.748
      E             7.45
      F             7.423

     Hz     ppm     Int.

   3502.28   8.764   1000
   3171.29   7.936    297
   3169.79   7.932    321
   3163.38   7.916    327
   3162.10   7.913    336
   3105.90   7.772    176
   3104.19   7.768    178
   3098.42   7.753    243
   3097.35   7.751    319
   3095.85   7.747    251
   3090.09   7.732    235
   3088.59   7.729    224
   2981.75   7.461    437
   2973.84   7.442    536
   2967.43   7.426    412
   2966.58   7.423    377
   2959.95   7.407    216
   2958.88   7.404    200

KBr disc

nujol mull

4880 A,200 M,powder

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