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2-Butyne, 1-chloro-4-methoxy-, also known as 1-chloro-4-methoxy-2-butyne, is an organic chemical compound with the molecular formula C5H7ClO. It is a colorless liquid with a pungent odor and is characterized by the presence of a butyne backbone, a chlorine atom at the first carbon, and a methoxy group at the fourth carbon. 2-Butyne, 1-chloro-4-methoxy- is primarily used as an intermediate in the synthesis of various organic compounds, particularly in the pharmaceutical and chemical industries. Due to its reactive nature, it is essential to handle 1-chloro-4-methoxy-2-butyne with caution, following proper safety protocols to minimize potential health and environmental risks.

693-27-6

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693-27-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 693-27-6 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 6,9 and 3 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 693-27:
(5*6)+(4*9)+(3*3)+(2*2)+(1*7)=86
86 % 10 = 6
So 693-27-6 is a valid CAS Registry Number.

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