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129492-22-4

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129492-22-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 129492-22-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,9,4,9 and 2 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 129492-22:
(8*1)+(7*2)+(6*9)+(5*4)+(4*9)+(3*2)+(2*2)+(1*2)=144
144 % 10 = 4
So 129492-22-4 is a valid CAS Registry Number.

129492-22-4Downstream Products

129492-22-4Relevant articles and documents

Cleavage of 2-Quinolinylmethyl Ethers with Copper Salts: Potential Use as a Protecting Group for Alcohols

Usypchuk, Laurie,Leblanc, Yves

, p. 5344 - 5347 (2007/10/02)

A variety of 2-quinolinylmethyl ethers were efficiently cleaved by CuCl2 in DMF/H2O to regenerate the corresponding alcohols.The same cleavage also takes place with the 4-regioisomer.On the other hand, the 2- and 4-pyridinylmethyl analogues were found to be stable under these reaction conditions.A mechanistic scheme for this cleavage is proposed.

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