Cas 1252883-33-2,1-(1-phenylpenta-1,4-diyn-3-yl)naphthalene

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Check Digit Verification of cas no

The CAS Registry Mumber 1252883-33-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,5,2,8,8 and 3 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1252883-33:
(9*1)+(8*2)+(7*5)+(6*2)+(5*8)+(4*8)+(3*3)+(2*3)+(1*3)=162
162 % 10 = 2
So 1252883-33-2 is a valid CAS Registry Number.

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1252883-33-2Relevant academic research and scientific papers

Solvent-free solid acid-catalyzed nucleophilic substitution of propargylic alcohols: A green approach for the synthesis of 1,4-diynes

Wang, Tao,Ma, Rui-Da,Liu, Liu,Zhan, Zhuang-Ping

supporting information; experimental part, p. 1576 - 1579 (2010/12/24)

Acid-treated K10 montmorillonite (H-K10 mont) exhibited an outstanding catalytic activity in the nucleophilic substitution of propargylic alcohols with alkynylsilanes. The reactions were carried out under solvent-free conditions, and the solid catalyst wa

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