USD $1.00-10.00 / Kilogram
USD $8.20-8.80 / Kilogram
USD $1.00-10.00 / Kilogram
USD $4.50-5.00 / Liter
USD $1.00-1.00 / Kilogram
USD $1.00-10.00 / Kilogram
USD $1.00-10.00 / Kilogram
USD $1.00-10.00 / Kilogram
USD $1.00-10.00 / Kilogram
high quality
cyclen basic information |
product name: | cyclen |
synonyms: | 1,4,7,10-tetrazacyclododecane;1,4,7,10-tetraazacyclododecane;cyclen;1,4,7,10-tetracyclododecane;tetraaza 12-crown-4;1,4,7,10-tetraazacyclododecane,min.98%cyclen;1,4,7,10-tetraazacyclododecane(cyclen);1,4,7,10-tetraazacyclododecane 98% |
cas: | 294-90-6 |
mf: | c8h20n4 |
mw: | 172.27 |
einecs: | 202-928-3 |
product categories: | crown ethers;functional materials;macrocycles for host-guest chemistry;ring systems;organic amine;heterocycles;intermediates & fine chemicals;pharmaceuticals;api;other apis |
mol file: | 294-90-6.mol |
cyclen basic information |
product name: | cyclen |
synonyms: | 1,4,7,10-tetrazacyclododecane;1,4,7,10-tetraazacyclododecane;cyclen;1,4,7,10-tetracyclododecane;tetraaza 12-crown-4;1,4,7,10-tetraazacyclododecane,min.98%cyclen;1,4,7,10-tetraazacyclododecane(cyclen);1,4,7,10-tetraazacyclododecane 98% |
cas: | 294-90-6 |
mf: | c8h20n4 |
mw: | 172.27 |
einecs: | 202-928-3 |
product categories: | crown ethers;functional materials;macrocycles for host-guest chemistry;ring systems;organic amine;heterocycles;intermediates & fine chemicals;pharmaceuticals;api;other apis |
mol file: | 294-90-6.mol |
cyclen chemical properties |
mp | 110-113 °c(lit.) |
storage temp. | refrigerator |
cas database reference | 294-90-6(cas database reference) |
safety information |
hazard codes | xi |
risk statements | 36/38-36/37/38 |
safety statements | 26-36 |
wgk germany | 3 |
rtecs | xa5253000 |
f | 3-9-34 |
hazard note | irritant |
msds information |
provider | language |
---|---|
cyclen | english |
sigmaaldrich | english |
acros | english |
cyclen usage and synthesis |
chemical properties | almost white to slightly yellow crystalline powder |
usage | macrocyclic aza analogue of the crown ether 12-crown-4. cyclen compounds are capable of selectively binding cations and are used as a ligand with chemicals used in mri contrast (as well ass other imaging) agents. |
cyclen preparation products and raw materials |
preparation products | tri-tert-butyl 1 4 7 10-tetraazacyclodod |
raw materials | hydrochloric acid-->ethyl acetate-->sulfuric acid -->acetic acid glacial-->azabenzene-->sodium methanolate-->tosyl chloride-->2,2'-iminodiethanol-->isopropyl ether-->diethylenetriamine |