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123784-18-9

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123784-18-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 123784-18-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,3,7,8 and 4 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 123784-18:
(8*1)+(7*2)+(6*3)+(5*7)+(4*8)+(3*4)+(2*1)+(1*8)=129
129 % 10 = 9
So 123784-18-9 is a valid CAS Registry Number.

123784-18-9Downstream Products

123784-18-9Relevant articles and documents

A copper-catalyzed petasis reaction for the synthesis of tertiary amines and amino esters

Frauenlob, Robin,Garcia, Carlos,Bradshaw, Gary A.,Burke, Helen M.,Bergin, Enda

experimental part, p. 4445 - 4449 (2012/06/18)

We have developed a copper-catalyzed process for the coupling of aldehydes, amines, and boronic acids. This allows greater reactivity with simple aryl boronic acids and allows coupling reactions to proceed that previously failed. Initial mechanistic studi

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