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119728-77-7

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119728-77-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 119728-77-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,9,7,2 and 8 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 119728-77:
(8*1)+(7*1)+(6*9)+(5*7)+(4*2)+(3*8)+(2*7)+(1*7)=157
157 % 10 = 7
So 119728-77-7 is a valid CAS Registry Number.

119728-77-7Downstream Products

119728-77-7Relevant articles and documents

A Convenient Procedure for the Synthesis of Propargyl Ethers Derived from Secondary Alcohols

Almansa, Carme,Moyano, Albert,Pericas, Miquel A.,Serratosa, Felix

, p. 707 - 709 (2007/10/02)

A new and efficient two-step synthesis of propargyl ethers derived from secondary alcohols, involving the formation of 1-propynyl ethers followed by isomerization with potassium 3-aminopropylamide, is described.The process is insensitive to the steric hin

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