ω,ω-Dichlor-3,5-dinitro-acetophenon, also known as 2,2-dichloro-4,4-dinitroacetophenone, is a chemical compound with the molecular formula C8H4Cl2N2O4. It is a yellow crystalline solid that is soluble in organic solvents and has a melting point of 90-92°C. ω,ω-Dichlor-3,5-dinitro-acetophenon is primarily used as a chemical intermediate in the synthesis of various pharmaceuticals, agrochemicals, and other organic compounds. Due to its reactivity and potential toxicity, it is essential to handle ω,ω-dichlor-3,5-dinitro-acetophenon with proper safety measures and precautions.
The CAS Registry Mumber 89891-98-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,8,9 and 1 respectively; the second part has 2 digits, 9 and 8 respectively. Calculate Digit Verification of CAS Registry Number 89891-98: (7*8)+(6*9)+(5*8)+(4*9)+(3*1)+(2*9)+(1*8)=215 215 % 10 = 5 So 89891-98-5 is a valid CAS Registry Number.