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Cyclopropane, 1-ethynyl-1-methyl-, also known as Methylethynylcyclopropane or Methylmethylacetylene, is a colorless, flammable, and toxic liquid with the chemical formula C5H6. It is a derivative of cyclopropane, an organic compound with a three-carbon ring structure. The molecule consists of a cyclopropane ring with an ethynyl group (a carbon-carbon triple bond) attached to one carbon atom and a methyl group (a single carbon atom bonded to three hydrogen atoms) attached to the adjacent carbon atom. Cyclopropane, 1-ethynyl-1-methyl- is used as a building block in the synthesis of various organic compounds, particularly in the production of pharmaceuticals and agrochemicals. Due to its highly reactive nature, it requires careful handling and storage to prevent accidents and health hazards.

2809-75-8

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2809-75-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 2809-75-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,8,0 and 9 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 2809-75:
(6*2)+(5*8)+(4*0)+(3*9)+(2*7)+(1*5)=98
98 % 10 = 8
So 2809-75-8 is a valid CAS Registry Number.

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