The Ammonium (S)-5-((4-amino-4-carboxy-1-oxobutyl)amino)-2-nitrobenzoate is an organic compound with the formula C₁₂H₁₆N₄O₇. The IUPAC name of this chemical is azanium (2S)-2-amino-5-(3-carboxy-4-nitroanilino)-5-oxopentanoate. With the CAS registry number 63699-78-5 and EINECS 264-418-7, it is also named as benzoic acid, 5-[[(4S)-4-amino-4-carboxy-1-oxobutyl]amino]-2-nitro-, ammonium salt. When using it, people should not breathe dust and avoid contact with skin and eyes. Additionally, this chemical should be stored at the temperature of 2-8 °C.

The other characteristics of Ammonium (S)-5-((4-amino-4-carboxy-1-oxobutyl)amino)-2-nitrobenzoate can be summarized as: (1)#H bond acceptors: 11; (2)#H bond donors: 8; (3)#Freely Rotating Bonds: 8; (4)Polar Surface Area: 125.21 Å²; (5)Flash Point: 388.2 °C; (6)Enthalpy of Vaporization: 110.19 kJ/mol; (7)Boiling Point: 718.3 °C at 760 mmHg; (8)Vapour Pressure: 1.18E-21 mmHg at 25°C; (9)Rotatable Bond Count: 5; (10)Tautomer Count: 2; (11)Exact Mass: 328.101899; (12)MonoIsotopic Mass: 328.101899; (13)Topological Polar Surface Area: 179; (14)Heavy Atom Count: 23; (15)Complexity: 457.

The following are the toxicity data which has been tested. 
1. SMILES:O=C(Nc1cc(c(cc1)[N+]([O-])=O)C(=O)O)CC[C@@H](C(=O)O)N.N
2. InChI:InChI=1/C12H13N3O7.H3N/c13-8(12(19)20)2-4-10(16)14-6-1-3-9(15(21)22)7(5-6)11(17)18;/h1,3,5,8H,2,4,13H2,(H,14,16)(H,17,18)(H,19,20);1H3/t8-;/m0./s1
3. InChIKey:GFABNNMTRVBLPZ-QRPNPIFTBJ
4. Std. InChI:InChI=1S/C12H13N3O7.H3N/c13-8(12(19)20)2-4-10(16)14-6-1-3-9(15(21)22)7(5-6)11(17)18;/h1,3,5,8H,2,4,13H2,(H,14,16)(H,17,18)(H,19,20);1H3/t8-;/m0./s1
5. Std. InChIKey:GFABNNMTRVBLPZ-QRPNPIFTSA-N