This chemical is called Californium, and its systematic name is californium. With the molecular formula of Cf, its molecular weight is 251.07958. The CAS registry number of this chemical is 7440-71-3. This chemical is a man-made radioactive actinide with atomic symbol Cf, and the valence of it can be +2 or +3. What's more, this chemical has medical use as a radiation source for radiotherapy. It's  atomic number is 98, and the atomic weight is 251. In addition, the Californium is radioactivity, active and volatile.

Other characteristics of the chemical can be summarised as followings:(1)Molecular Weight: 251.07958 g/mol; (2)Molecular Formula: Cf; (3)Exact Mass: 251.07958; (4)MonoIsotopic Mass: 251.07958; (5)Heavy Atom Count: 1; (6)Covalently-Bonded Unit Count: 1.

Production method of this chemical:The Californium could be obtained by the reduction reaction happened between Lanthanun and the oxidizing material of Californium. Moreover, the amount of the preparation metal should be more than 2 mg.

You can still convert the following datas into molecular structure:
1.SMILES: [Cf]
2.InChI: InChI=1/Cf
3.InChIKey: HGLDOAKPQXAFKI-UHFFFAOYAH
4.Std. InChI: InChI=1S/Cf
5.Std. InChIKey: HGLDOAKPQXAFKI-UHFFFAOYSA-N