2-Propynylidene, also known as 1-methyl-2-butyn-1-ol or methylbutynol, is an organic compound with the chemical formula C5H8O. It is a colorless liquid that is soluble in water and has a strong, pungent odor. This chemical is primarily used as a solvent and a chemical intermediate in the synthesis of various pharmaceuticals, agrochemicals, and other specialty chemicals. 2-Propynylidene is also used in the production of perfumes and flavors due to its unique scent. It is important to note that 2-Propynylidene is a hazardous substance and should be handled with care, as it can cause irritation to the eyes, skin, and respiratory system.
The CAS Registry Mumber 2008-19-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,0,0 and 8 respectively; the second part has 2 digits, 1 and 9 respectively. Calculate Digit Verification of CAS Registry Number 2008-19: (6*2)+(5*0)+(4*0)+(3*8)+(2*1)+(1*9)=47 47 % 10 = 7 So 2008-19-7 is a valid CAS Registry Number.