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FMOC-O-tert-Butyl-L-serine manufacturer CAS:71989-33-8

Sep 10th, 2022 at 09:27   Flavors & Fragrances   Lynn   57 views Reference: oBDbDRXxel2

Location: Lynn

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Synonyms:
(2S)-2-(9H-fluoren-9-ylmethoxycarbonylamino)-3-[(2-methylpropan-2-yl)oxy]propanoic acid
Molecular Formula: C22H25NO5
Molecular weight:383.43800
Appearance and properties: white to off-white powder
Density: 1.216 g/cm3
Boiling point: 578.6ºC at 760 mmHg
Melting point: 130.5-135.5 °C(lit.)
Flash point: 303.7ºC
Refractive index: 24 ° (C=1, AcOEt)
Stability: Stable under normal temperatures and pressures.
Storage conditions: 2-8ºC
Applications: Applicationd in peptide synthesis and used as amino acid protection monomer.

Items of Analysis Standard of Analysis Test Results
Appearance White to off-white crystal Conform
Moisture ≤1.0% 0.15%
Specific rotation[α]20/D
(C=1 in Ethyl acetate)
+25±2.0° +26.43°
Purity ≥98.0% 99.96%
Chiral purity ≥99.0% 99.67%
Conclusion Conforms to Factory Standard


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