USD $20.00-25.00 / Kilogram
sichuan tongsheng is the most strongest manufacturer and exporter of amino acids and their derivatives in china, we have the best quality and price. 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.
iso9001: 2008 certification
product name: boc-lys-oh
cas #: 13734-28-6
synonyms: boc-l-lysine; α-(tert-butoxycarbonyl)-l-lysine
molecular formula: c11h22n2o4
molecular weight: 246.31
specifications:
items |
standard |
analysis data |
appearance |
white to off white powder |
conforms |
specific rotation [20/d] (c=1 in h2o) |
+4.5º ±1º |
+4.20º |
ir spectrum |
in accordance with structure |
conforms |
related substance (tlc) |
one spot |
conforms |
melting point (℃) |
192℃ to 212℃ |
200℃ |
loss on drying |
not more than0.50% |
0.20% |
purity |
not less than 98.0% |
98.8% |
laboratory picture: