The Ammonium-d4 deuteroxide, with the CAS registry number 12168-30-8, has the systematic name (²H₄)Ammonium (²H)hydroxide. Its molecular formula is D₅NO and its molecular weight is 40.08. Additionally, its product categories are Buffers and Reagents Stable Isotopes; Alphabetical Listings; A Stable Isotopes; Biomolecular NMR; NMR - Buffers and Reagents; NMR Solvents and Reagents; Stable Isotopes. 

Other characteristics of the Ammonium-d4 deuteroxide can be summarised as followings: (1)#H bond acceptors: 2; (2)#H bond donors: 5; (3)#Freely Rotating Bonds: 0; (4)Polar Surface Area: 12.47 Å²; (5)Enthalpy of Vaporization: 45.1 kJ/mol; (6)Boiling Point: 165 °C at 760 mmHg; (7)Vapour Pressure: 0.845 mmHg at 25°C. 

When you are using this chemical, please be cautious about it as the following: This chemical causes burns and it's very toxic to aquatic organisms. Avoid releasign it to the environment. Moreover, you should wear suitable protective clothing if you use it. In case of contacting with eyes, rinse immediately with plenty of water and seek medical advice. 

You can still convert the following datas into molecular structure: 
1.SMILES: [2H]N([2H])[2H].[2H]O[2H]
2.InChI: InChI=1/H3N.H2O/h1H3;1H2/i/hD5 
3.InChIKey: VHUUQVKOLVNVRT-NSPFYZSMEM