USD $1.30-2.30 / Metric Ton
USD $26.00-28.00 / Metric Ton
USD $6.50-17.00 / Metric Ton
USD $2.50-2.80 / Metric Ton
USD $5.00-6.00 / Metric Ton
USD $2.00-6.00 / Metric Ton
USD $0.20-1.00 / Metric Ton
USD $1.80-3.80 / Metric Ton
USD $1.00-10.00 / 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-glu-obut
cas #: 24277-39-2
synonyms: boc-l-glutamic acid 1-tert-butyl ester
molecular formula: c14h25no6
molecular weight: 303.4
specifications:
items |
standard |
analysis data |
appearance |
white powder |
conforms |
ir spectrum |
in accordance with structure |
conforms |
specific rotation [20/d] (c=1 in methanol) |
-32±1 degree |
-32.4 degree |
melting point (℃) |
110 to113℃ |
112℃ |
related substance (tlc) |
one spot |
conforms |
loss on drying |
not more than 0.50% |
0.27% |
purity (phlc) |
not less than 98.5% |
99.0% |
laboratory picture: