Unfortunately, we could not find any information about the substance CuNH2NH2SO4 you are asking about. It seems that this chemical formula is not accurate or does not exist.
Please re-check to ensure that you have provided the correct information. For example, copper (II) sulfate has the chemical formula CuSO4, while copper (II) hydroxide has the formula Cu(OH)2. Both are important chemicals often studied in high school chemistry curriculum.
If you need information about another chemical substance, please provide us with its exact name or chemical formula so we can assist you in finding the information accurately. We are more than willing to help you understand more about any chemical substances you are interested in.