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d-tryptophan 153-94-6

  post date: jan 17,2022
  expiry date: jan 17,2023
  detailed description: cas no. :153-94-6

payment method: t/t
appearance
off-white crystalline powder
conforms
specific rotation [20/d]
(c=1 in h2o)
+30.0 ° to +33.0°
+31.3°
loss on drying
not more than 0.50%
0.25%
residue on ignition(sulfated)
not more than 0.10%
0.08%
assay
98.5 to101%
99.35%
ph
5.0 to 7.0
5.9

  cas registry number:

153-94-6

  synonyms: ;d-tryptophan;(r)-2-amino-3-(3-indolyl)propionic acid;h-d-trp-oh;3-(2,3-dihydro-1h-indol-3-yl)-d-alanine;
  molecular formula: c11h12n2o2
  molecular weight: 204.23
  molecular structure: 153-94-6 d-(+)-tryptophan

  safety description: s24/25:;

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