17791-52-5 L-Histidine Boc-L-Histidine
Sichuan Tongsheng is the most strongest manufacturer and exporter of amino acids and their derivatives in China, we guarantee high quality, competive price and reliable service.
We fully compliance with ISO9001:2008, production and quality management following GMP standards, production plant constructed in accordance with GMP standards. Quality control conforms to the standards of pharmaceutical-food CP grade and Japan Ajinomoto AJI, American USP and Reagent grade BR.
Product Name: Boc-His -OH
CAS#: 17791-52-5
Molecular Formula: C11H1N3O4
Molecular Weight: 255.3
Specifications:
Item |
Standard |
Analysis data |
Appearance |
White fine crystals |
conforms |
Specific rotation[α]20/D (C = 1 in CH3OH) |
+25±1° |
+26.0° |
Melting Point |
190℃-198℃ |
196℃ |
TLC |
One spot |
conforms |
Loss on drying |
Not more than 0.50% |
0.25% |
Purity |
Not less than 98.5% |
98.8% |
Laboratory Picture:
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