The cas register number of Seleno-L-cysteine is 10236-58-5. It also can be called as L-Alanine, 3-selenyl- and the IUPAC Name about this chemical is (2R)-2-amino-3-λ¹-selanylpropanoic acid. This chemical is a naturally occurring amino acid in both eukaryotic and prokaryotic organisms. It is found in tRNAs and in the catalytic site of some enzymes. The genes for glutathione peroxidase and formate dehydrogenase contain the TGA codon, which codes for this amino acid.

Physical properties about Seleno-L-cysteine are: (1)ACD/LogP: 0.35; (2)ACD/LogD (pH 5.5): -2.63; (3)ACD/LogD (pH 7.4): -3.14; (4)ACD/BCF (pH 5.5): 1; (5)ACD/BCF (pH 7.4): 1; (6)ACD/KOC (pH 5.5): 1; (7)ACD/KOC (pH 7.4): 1; (8)#H bond acceptors: 3; (9)#H bond donors: 3; (10)#Freely Rotating Bonds: 4; (11)Polar Surface Area: 29.54Ų; (12)Flash Point: 220 °C; (13)Enthalpy of Vaporization: 76.45 kJ/mol; (14)Boiling Point: 440.2 °C at 760 mmHg; (15)Vapour Pressure: 5.59E-09 mmHg at 25°C.

You can still convert the following datas into molecular structure:
(1)SMILES: O=C(O)[C@@H](N)C[SeH]
(2)InChI: InChI=1/C3H7NO2Se/c4-2(1-7)3(5)6/h2,7H,1,4H2,(H,5,6)/t2-/m0/s1
(3)InChIKey: ZKZBPNGNEQAJSX-REOHCLBHBZ
(4)Std. InChI: InChI=1S/C3H7NO2Se/c4-2(1-7)3(5)6/h2,7H,1,4H2,(H,5,6)/t2-/m0/s1
(5)Std. InChIKey: ZKZBPNGNEQAJSX-REOHCLBHSA-N