USD $8.00-10.00 / Metric Ton
USD $8.00-50.00 / Metric Ton
USD $2.30-10.00 / Metric Ton
USD $2.00-5.00 / Metric Ton
USD $1.00-8.00 / Metric Ton
USD $1.00-3.00 / Metric Ton
USD $35.00-69.00 / 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.
we have kosher and hala certificate.
product name: h-d-lys.hcl
cas#: 7274-88-6
synonyms: d-lysine hydrochloride
molecular formula: c6h14n2o2·hcl
molecular weight: 182.7
reference standard: aji92/usp26
specifications:
item |
standard |
appearance |
white to off-white powder |
specific rotation[α]20/d |
-20.7 to -21.5 degree |
state of solution |
clear and colorless |
chloride (cl) |
19.12% to 19.51% |
heavy metal (pb) |
not more than 10ppm |
arsenic (as2o3) |
not more than 1ppm |
other amino acids |
chromatographically |
enantiomeric purity |
not more than 0.5% |
loss on drying |
not more than 0.40% |
residue on ignition (sulfated) |
not more than 0.10% |
assay |
98.5% to 100.5% |
laboratory picture: