USD $9.00-99.00 / Kilogram
USD $3.00-5.00 / Metric Ton
USD $9.00-99.00 / Kilogram
USD $50.00-100.00 / Metric Ton
USD $5.00-5.00 / Kilogram
USD $9.00-99.00 / Kilogram
USD $10.00-16.00 / Kilogram
USD $1.00-3.00 / Metric Ton
USD $1.00-2.89 / Metric Ton
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: fmoc-asp(otbu)-oh
cas #: 71989-14-5
synonyms: fmoc-l-aspartic acid tert-butyl ester
molecular formula: c23h25no6
molecular weight: 411.45
specifications:
items |
standard |
analysis data |
appearance |
white powder |
conforms |
specific rotation [20/d] (c=1 in dmf) |
-24±2 degree |
-25.5 degree |
melting point (℃) |
148 to 150℃ |
149℃ |
loss on drying |
not more than 0.50% |
0.4% |
related substance (tlc) |
one spot |
conforms |
purity (hplc) |
not less than 98.0% |
98.5% |