Urcin

Formula :
CAS : 64115-78-2 

Different from ursin syn ARBUTIN.

Urdamycin C

Formula : C51-H60-O19
CAS : 104443-43-8 

Angucycline antibiotic from Streptomyces fradiae.

Urdamycin D

Formula :
CAS : 104443-44-9 

Angucycline antibiotic from Streptomyces fradiae.

Urdamycin E

Formula : C44-H58-O17-S
CAS : 104542-47-4 

Angucycline antibiotic isolated from Streptomyces fradiae strain Tu 2717.

Urdamycin F

Formula : C43-H58-O18
CAS : 104562-12-1 

Angucycline antibiotic from Streptomyces fradiae.

URE2 protein, S cerevisiae

Formula :
CAS : 134773-68-5 

MW 40 kDA; plays an important role in the cellular response to the nitrogen source & has homology to glutathione S-transferase; URE3 is the self-propagating amyloid form of URE2.

Urea formaldehyde foam

Formula : C-H4-N2-O.C-H2-O
CAS : 64869-57-4 

Widely used foam insulation.