bn = '0010001111111011001000000101100010101010000101101011111000000000'
print([int(bn[i:i + 8], 2) for i in range(0, len(bn), 8)])
[35, 251, 32, 88, 170, 22, 190, 0]
Convert a 64 bit integer into 8 separate 1 byte integers in python