USD $100.00-150.00 / Kilogram
USD $0.40-1.00 / Metric Ton
USD $100.00-150.00 / Kilogram
USD $32.00-34.00 / Metric Ton
USD $1.00-10.00 / Kilogram
USD $90.00-100.00 / box
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.
we have kosher and halal certificate.
product name: boc-lys(boc)-osu
cas #: 30189-36-7
synonyms: n,n'-di-boc-l-lysine hydroxysuccinimide ester
molecular formula: c20h33n3o8
molecular weight: 443.5
specifications:
items |
standard |
analysis data |
appearance |
white fine crystals |
conforms |
specific rotation [20/d] (c=1 in dmf) |
-25±1 degree |
25.1º |
ir spectrum |
in accordance with structure |
conforms |
loss on drying |
not more than0.50% |
0.35% |
assay (hplc) |
not less than 98.0% |
98.5% |
laboratory picture: