N-(4-Fluorophenyl)-N-nitroso-formamid, also known as 4-fluorophenyl-N-nitrosoformamide, is an organic compound with the chemical formula C8H6FN2O2. It is a derivative of formamidine, featuring a 4-fluorophenyl group attached to the nitrogen atom, which is further connected to a nitroso group. N-<4-Fluor-phenyl>-N-nitroso-formamid is of interest in chemical research due to its potential applications in the synthesis of various pharmaceuticals and agrochemicals, as well as its role as an intermediate in the preparation of dyes and pigments. The nitroso group in N-<4-Fluor-phenyl>-N-nitroso-formamid can participate in various chemical reactions, making it a versatile building block in organic synthesis.
The CAS Registry Mumber 2356-35-6 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,3,5 and 6 respectively; the second part has 2 digits, 3 and 5 respectively. Calculate Digit Verification of CAS Registry Number 2356-35: (6*2)+(5*3)+(4*5)+(3*6)+(2*3)+(1*5)=76 76 % 10 = 6 So 2356-35-6 is a valid CAS Registry Number.