USD $1.00-10.00 / Kilogram
USD $20.40-25.10 / Gram
USD $20.40-25.10 / Gram
USD $20.40-25.10 / Gram
USD $20.40-25.10 / Gram
USD $2.00-10.00 / Kilogram
USD $2.00-10.00 / Kilogram
USD $20.40-25.10 / Gram
USD $2.00-10.00 / Kilogram
our company was built in 2009 with an iso certificate.in the past 5 years, we have grown up as a famous fine chemicals supplier in china and we had established stable business relationships with samsung,lg,merck,thermo fisher scientific and so on.our main business covers the fields below:
1.noble metal catalysts (pt.pd...)
2.organic phosphine ligands (tert-butyl-phosphine.cyclohexyl-phosphine...)
3.oled intermediates (fluorene,carbazole,boric acid...)
4.customs synthesis
our advantage:
1. higest quality and good package
2.fast delivery
3.better payment term
4.fast response to customer within 6 hours
5.good business credit in europe ,us ,japan ,korea
anyway ,if you need any chemicals from china ,henan tianfu can help you
l-(+)-selenomethionine basic information |
product name: | l-(+)-selenomethionine |
synonyms: | (s)-(+)-2-amino-4-(methylseleno)butanoic acid;(s)-2-amino-4-(methylseleno)butyric acid;semet;selenomethionine, l-(+)-;seleno-l-methionine;l-(+)-2-amino-4-(methylseleno)butanoic acid;l-(+)-selenomethionine;l-selenomethionine |
cas: | 3211-76-5 |
mf: | c5h11no2se |
mw: | 196.11 |
einecs: | |
product categories: | amino acid derivatives;methionine [met, m];amino acids;antioxidant;biochemistry;biological-modified amino acids;classes of metal compounds;se (selenium) compounds;semimetal compounds;seleno amino acid;amino acid |
mol file: | 3211-76-5.mol |
l-(+)-selenomethionine chemical properties |
mp | 265 °c |
alpha | 18 º (c=1, 1n hcl) |
refractive index | 18 ° (c=0.5, 2mol/l hcl) |
storage temp. | −20°c |
solubility | h2o: 50 mg/ml |
form | powder |
color | white to off-white |
water solubility | soluble |
merck | 8441 |
cas database reference | 3211-76-5(cas database reference) |
safety information |
hazard codes | t,n |
risk statements | 23/25-33-50/53 |
safety statements | 20/21-28-45-60-61-28a |
ridadr | un 3283 6.1/pg 2 |
wgk germany | 3 |
rtecs | ek7713840 |
f | 10 |
msds information |
provider | language |
---|---|
l-(+)-selenomethionine | english |
acros | english |
sigmaaldrich | english |
l-(+)-selenomethionine usage and synthesis |
chemical properties | solid |
usage | a compound shown to increase expression of glutathione peroxidase |
l-(+)-selenomethionine preparation products and raw materials |
raw materials | etanol-->sodium hydroxide-->hydrochloric acid-->methanol-->diethyl ether-->sulfuric acid -->tetrahydrofuran-->sodium-->n,n-dimethylformamide-->sodium chloride-->acetone-->ammonia-->sodium bicarbonate-->benzene-->hydrogen peroxide-->iodomethane-->hydrogen bromide-->magnesium-->benzyl chloride-->phosphorus pentoxide-->selenium-->tributyl borate-->l-methionine-->methyllithium |