2-Butene, 3-methyl-1-nitro- is an organic chemical compound with the molecular formula C5H9NO2. It is a derivative of butene, featuring a nitro group (-NO2) attached to the first carbon and a methyl group (-CH3) on the third carbon. 2-Butene, 3-methyl-1-nitro- is a colorless liquid with a pungent odor and is insoluble in water. It is used in the synthesis of various chemicals, pharmaceuticals, and as an intermediate in the production of other organic compounds. Due to its reactivity, it should be handled with care, as it can be harmful if inhaled, ingested, or absorbed through the skin.
The CAS Registry Mumber 1809-65-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,8,0 and 9 respectively; the second part has 2 digits, 6 and 5 respectively. Calculate Digit Verification of CAS Registry Number 1809-65: (6*1)+(5*8)+(4*0)+(3*9)+(2*6)+(1*5)=90 90 % 10 = 0 So 1809-65-0 is a valid CAS Registry Number.