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123417-03-8

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123417-03-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 123417-03-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,3,4,1 and 7 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 123417-03:
(8*1)+(7*2)+(6*3)+(5*4)+(4*1)+(3*7)+(2*0)+(1*3)=88
88 % 10 = 8
So 123417-03-8 is a valid CAS Registry Number.

123417-03-8Relevant articles and documents

Phosphonium Salt Methodology for the Synthesis of Phosphoric Monoesters and Diesters and its Application to Selective Phosphorylation

Watanabe, Yutaka,Inada, Eiji,Jinno, Masanao,Ozaki, Shoichiro

, p. 497 - 500 (1993)

The reaction of an alcohol with a trialkyl phosphite in the presence of pyridinium bromide perbromide and triethylamine afforded the phosphoric triester in good yield, which can be transformed to the phosphoric monoester or diester.The method was applied

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