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boc-l-hydroxyproline methyl ester

  post date: nov 30,2021
  expiry date: nov 30,2022
  detailed description: cas no. :74844-91-0

payment method: t/t
appearance white or off-white powder conforms
specific rotation(a)d20
(c=1 in chcl3 ) -63o to -67º -65.2o
melting point (ºc) 92ºc to 96 ºc 92ºc
loss on drying not more than 0.50% 0.39%
purity not less than 98.0% 99.1%
conclusion the product conforms to the standard.

  cas registry number:

74844-91-0

  synonyms: ;n-boc-trans-4-hydroxy-l-proline methyl ester;n-boc-trans-4-hydroxy-l-prolinemethylester;(2s,4r)-1-tert-butyl 2-methyl 4-hydroxypyrrolidine-1,2-dicarboxylate;(2s,4r)-1-boc-4-hydroxy-proline methylester;n-(tert-butoxycarbonyl)-cis-4-hydroxy-l-proline methyl ester;n-(tert-butoxycarbonyl)-trans-hydroxy-l-proline methyl ester;o1-tert-butyl o2-methyl (2s,4r)-4-hydroxypyrrolidine-1,2-dicarboxylate;boc-trans-4-hydroxy-l-proline methyl ester;boc-l-hydroxyproline methyl ester;1-tert-butyl 2-methyl (2s,4r)-4-hydroxypyrrolidine-1,2-dicarboxylate;n-(tert-butoxycarbonyl)-trans-4-hydroxy-l-proline methyl ester;
  molecular formula: c11h19no5
  molecular weight: 245.2723
  molecular structure: 74844-91-0 boc-hyp-ome

  safety description: s24/25:;

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